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public void makeCurrent ( EGLSurface eglSurface ) { if ( mEGLDisplay == EGL14 . EGL_NO_DISPLAY ) { // called makeCurrent() before create? Log . d ( TAG , "NOTE: makeCurrent w/o display" ) ; } if ( ! EGL14 . eglMakeCurrent ( mEGLDisplay , eglSurface , eglSurface , mEGLContext ) ) { throw new RuntimeException ( "eglMakeCurrent failed" ) ; } }
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Makes our EGL context current using the supplied surface for both draw and read .
| 112
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153,701
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public void makeCurrent ( EGLSurface drawSurface , EGLSurface readSurface ) { if ( mEGLDisplay == EGL14 . EGL_NO_DISPLAY ) { // called makeCurrent() before create? Log . d ( TAG , "NOTE: makeCurrent w/o display" ) ; } if ( ! EGL14 . eglMakeCurrent ( mEGLDisplay , drawSurface , readSurface , mEGLContext ) ) { throw new RuntimeException ( "eglMakeCurrent(draw,read) failed" ) ; } }
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Makes our EGL context current using the supplied draw and read surfaces .
| 122
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153,702
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public void makeNothingCurrent ( ) { if ( ! EGL14 . eglMakeCurrent ( mEGLDisplay , EGL14 . EGL_NO_SURFACE , EGL14 . EGL_NO_SURFACE , EGL14 . EGL_NO_CONTEXT ) ) { throw new RuntimeException ( "eglMakeCurrent failed" ) ; } }
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Makes no context current .
| 81
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153,703
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public boolean isCurrent ( EGLSurface eglSurface ) { return mEGLContext . equals ( EGL14 . eglGetCurrentContext ( ) ) && eglSurface . equals ( EGL14 . eglGetCurrentSurface ( EGL14 . EGL_DRAW ) ) ; }
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Returns true if our context and the specified surface are current .
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153,704
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public int querySurface ( EGLSurface eglSurface , int what ) { int [ ] value = new int [ 1 ] ; EGL14 . eglQuerySurface ( mEGLDisplay , eglSurface , what , value , 0 ) ; return value [ 0 ] ; }
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Performs a simple surface query .
| 64
| 7
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153,705
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public static void logCurrent ( String msg ) { EGLDisplay display ; EGLContext context ; EGLSurface surface ; display = EGL14 . eglGetCurrentDisplay ( ) ; context = EGL14 . eglGetCurrentContext ( ) ; surface = EGL14 . eglGetCurrentSurface ( EGL14 . EGL_DRAW ) ; Log . i ( TAG , "Current EGL (" + msg + "): display=" + display + ", context=" + context + ", surface=" + surface ) ; }
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Writes the current display context and surface to the log .
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153,706
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private void checkEglError ( String msg ) { int error ; if ( ( error = EGL14 . eglGetError ( ) ) != EGL14 . EGL_SUCCESS ) { throw new RuntimeException ( msg + ": EGL error: 0x" + Integer . toHexString ( error ) ) ; } }
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Checks for EGL errors .
| 73
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153,707
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private long getJitterFreePTS ( long bufferPts , long bufferSamplesNum ) { long correctedPts = 0 ; long bufferDuration = ( 1000000 * bufferSamplesNum ) / ( mEncoderCore . mSampleRate ) ; bufferPts -= bufferDuration ; // accounts for the delay of acquiring the audio buffer if ( totalSamplesNum == 0 ) { // reset startPTS = bufferPts ; totalSamplesNum = 0 ; } correctedPts = startPTS + ( 1000000 * totalSamplesNum ) / ( mEncoderCore . mSampleRate ) ; if ( bufferPts - correctedPts >= 2 * bufferDuration ) { // reset startPTS = bufferPts ; totalSamplesNum = 0 ; correctedPts = startPTS ; } totalSamplesNum += bufferSamplesNum ; return correctedPts ; }
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Ensures that each audio pts differs by a constant amount from the previous one .
| 185
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153,708
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public void adjustForVerticalVideo ( SCREEN_ROTATION orientation , boolean scaleToFit ) { synchronized ( mDrawLock ) { mCorrectVerticalVideo = true ; mScaleToFit = scaleToFit ; requestedOrientation = orientation ; Matrix . setIdentityM ( IDENTITY_MATRIX , 0 ) ; switch ( orientation ) { case VERTICAL : if ( scaleToFit ) { Matrix . rotateM ( IDENTITY_MATRIX , 0 , - 90 , 0f , 0f , 1f ) ; Matrix . scaleM ( IDENTITY_MATRIX , 0 , 3.16f , 1.0f , 1f ) ; } else { Matrix . scaleM ( IDENTITY_MATRIX , 0 , 0.316f , 1f , 1f ) ; } break ; case UPSIDEDOWN_LANDSCAPE : if ( scaleToFit ) { Matrix . rotateM ( IDENTITY_MATRIX , 0 , - 180 , 0f , 0f , 1f ) ; } break ; case UPSIDEDOWN_VERTICAL : if ( scaleToFit ) { Matrix . rotateM ( IDENTITY_MATRIX , 0 , 90 , 0f , 0f , 1f ) ; Matrix . scaleM ( IDENTITY_MATRIX , 0 , 3.16f , 1.0f , 1f ) ; } else { Matrix . scaleM ( IDENTITY_MATRIX , 0 , 0.316f , 1f , 1f ) ; } break ; } } }
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Adjust the MVP Matrix to rotate and crop the texture to make vertical video appear upright
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public void drawFrame ( int textureId , float [ ] texMatrix ) { // Use the identity matrix for MVP so our 2x2 FULL_RECTANGLE covers the viewport. synchronized ( mDrawLock ) { if ( mCorrectVerticalVideo && ! mScaleToFit && ( requestedOrientation == SCREEN_ROTATION . VERTICAL || requestedOrientation == SCREEN_ROTATION . UPSIDEDOWN_VERTICAL ) ) { Matrix . scaleM ( texMatrix , 0 , 0.316f , 1.0f , 1f ) ; } mProgram . draw ( IDENTITY_MATRIX , mRectDrawable . getVertexArray ( ) , 0 , mRectDrawable . getVertexCount ( ) , mRectDrawable . getCoordsPerVertex ( ) , mRectDrawable . getVertexStride ( ) , texMatrix , TEX_COORDS_BUF , textureId , TEX_COORDS_STRIDE ) ; } }
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Draws a viewport - filling rect texturing it with the specified texture object .
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153,710
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public void stopBroadcasting ( ) { if ( mBroadcaster . isRecording ( ) ) { mBroadcaster . stopRecording ( ) ; mBroadcaster . release ( ) ; } else { Log . e ( TAG , "stopBroadcasting called but mBroadcaster not broadcasting" ) ; } }
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Force this fragment to stop broadcasting . Useful if your application wants to stop broadcasting when a user leaves the Activity hosting this fragment
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153,711
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protected void acquireAccessToken ( final OAuthCallback cb ) { if ( isAccessTokenCached ( ) ) { // Execute the callback immediately with cached OAuth credentials if ( VERBOSE ) Log . d ( TAG , "Access token cached" ) ; if ( cb != null ) { // Ensure networking occurs off the main thread // TODO: Use an ExecutorService and expose an application shutdown method to shutdown? new Thread ( new Runnable ( ) { @ Override public void run ( ) { cb . onSuccess ( getRequestFactoryFromCachedCredentials ( ) ) ; } } ) . start ( ) ; } } else if ( mOauthInProgress && cb != null ) { // Add the callback to the queue for execution when outstanding OAuth negotiation complete mCallbackQueue . add ( cb ) ; if ( VERBOSE ) Log . i ( TAG , "Adding cb to queue" ) ; } else { mOauthInProgress = true ; // Perform an OAuth Client Credentials Request // TODO: Replace with new Thread() new AsyncTask < Void , Void , Void > ( ) { @ Override protected Void doInBackground ( Void ... params ) { TokenResponse response = null ; try { if ( VERBOSE ) Log . i ( TAG , "Fetching OAuth " + mConfig . getAccessTokenRequestUrl ( ) ) ; response = new ClientCredentialsTokenRequest ( new NetHttpTransport ( ) , new JacksonFactory ( ) , new GenericUrl ( mConfig . getAccessTokenRequestUrl ( ) ) ) . setGrantType ( "client_credentials" ) . setClientAuthentication ( new BasicAuthentication ( mConfig . getClientId ( ) , mConfig . getClientSecret ( ) ) ) . execute ( ) ; } catch ( IOException e ) { // TODO: Alert user Kickflip down // or client credentials invalid if ( cb != null ) { postExceptionToCallback ( cb , e ) ; } e . printStackTrace ( ) ; } if ( response != null ) { if ( VERBOSE ) Log . i ( TAG , "Got Access Token " + response . getAccessToken ( ) . substring ( 0 , 5 ) + "..." ) ; storeAccessToken ( response ) ; mOauthInProgress = false ; if ( cb != null ) cb . onSuccess ( getRequestFactoryFromAccessToken ( mStorage . getString ( ACCESS_TOKEN_KEY , null ) ) ) ; executeQueuedCallbacks ( ) ; } else { mOauthInProgress = false ; Log . w ( TAG , "Failed to get Access Token" ) ; } return null ; } } . execute ( ) ; } }
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Asynchronously attempt to acquire an OAuth Access Token
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153,712
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protected void executeQueuedCallbacks ( ) { if ( VERBOSE ) Log . i ( TAG , String . format ( "Executing %d queued callbacks" , mCallbackQueue . size ( ) ) ) ; for ( OAuthCallback cb : mCallbackQueue ) { cb . onSuccess ( getRequestFactoryFromCachedCredentials ( ) ) ; } }
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Execute queued callbacks once valid OAuth credentials are acquired .
| 81
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153,713
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private void captureH264MetaData ( ByteBuffer encodedData , MediaCodec . BufferInfo bufferInfo ) { mH264MetaSize = bufferInfo . size ; mH264Keyframe = ByteBuffer . allocateDirect ( encodedData . capacity ( ) ) ; byte [ ] videoConfig = new byte [ bufferInfo . size ] ; encodedData . get ( videoConfig , bufferInfo . offset , bufferInfo . size ) ; encodedData . position ( bufferInfo . offset ) ; encodedData . put ( videoConfig , 0 , bufferInfo . size ) ; encodedData . position ( bufferInfo . offset ) ; mH264Keyframe . put ( videoConfig , 0 , bufferInfo . size ) ; }
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Should only be called once when the encoder produces an output buffer with the BUFFER_FLAG_CODEC_CONFIG flag . For H264 output this indicates the Sequence Parameter Set and Picture Parameter Set are contained in the buffer . These NAL units are required before every keyframe to ensure playback is possible in a segmented stream .
| 146
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153,714
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private void packageH264Keyframe ( ByteBuffer encodedData , MediaCodec . BufferInfo bufferInfo ) { mH264Keyframe . position ( mH264MetaSize ) ; mH264Keyframe . put ( encodedData ) ; // BufferOverflow }
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Adds the SPS + PPS data to the ByteBuffer containing a h264 keyframe
| 55
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153,715
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public void handleTouchEvent ( MotionEvent ev ) { if ( ev . getAction ( ) == MotionEvent . ACTION_MOVE ) { // A finger is dragging about if ( mTexHeight != 0 && mTexWidth != 0 ) { mSummedTouchPosition [ 0 ] += ( 2 * ( ev . getX ( ) - mLastTouchPosition [ 0 ] ) ) / mTexWidth ; mSummedTouchPosition [ 1 ] += ( 2 * ( ev . getY ( ) - mLastTouchPosition [ 1 ] ) ) / - mTexHeight ; mLastTouchPosition [ 0 ] = ev . getX ( ) ; mLastTouchPosition [ 1 ] = ev . getY ( ) ; } } else if ( ev . getAction ( ) == MotionEvent . ACTION_DOWN ) { // The primary finger has landed mLastTouchPosition [ 0 ] = ev . getX ( ) ; mLastTouchPosition [ 1 ] = ev . getY ( ) ; } }
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Configures the effect offset
| 207
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153,716
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public void setKernel ( float [ ] values , float colorAdj ) { if ( values . length != KERNEL_SIZE ) { throw new IllegalArgumentException ( "Kernel size is " + values . length + " vs. " + KERNEL_SIZE ) ; } System . arraycopy ( values , 0 , mKernel , 0 , KERNEL_SIZE ) ; mColorAdjust = colorAdj ; //Log.d(TAG, "filt kernel: " + Arrays.toString(mKernel) + ", adj=" + colorAdj); }
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Configures the convolution filter values . This only has an effect for programs that use the FRAGMENT_SHADER_EXT_FILT Fragment shader .
| 125
| 34
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153,717
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public void setTexSize ( int width , int height ) { mTexHeight = height ; mTexWidth = width ; float rw = 1.0f / width ; float rh = 1.0f / height ; // Don't need to create a new array here, but it's syntactically convenient. mTexOffset = new float [ ] { - rw , - rh , 0f , - rh , rw , - rh , - rw , 0f , 0f , 0f , rw , 0f , - rw , rh , 0f , rh , rw , rh } ; //Log.d(TAG, "filt size: " + width + "x" + height + ": " + Arrays.toString(mTexOffset)); }
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Sets the size of the texture . This is used to find adjacent texels when filtering .
| 166
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153,718
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public void draw ( float [ ] mvpMatrix , FloatBuffer vertexBuffer , int firstVertex , int vertexCount , int coordsPerVertex , int vertexStride , float [ ] texMatrix , FloatBuffer texBuffer , int textureId , int texStride ) { GlUtil . checkGlError ( "draw start" ) ; // Select the program. GLES20 . glUseProgram ( mProgramHandle ) ; GlUtil . checkGlError ( "glUseProgram" ) ; // Set the texture. GLES20 . glActiveTexture ( GLES20 . GL_TEXTURE0 ) ; GLES20 . glBindTexture ( mTextureTarget , textureId ) ; // Copy the model / view / projection matrix over. GLES20 . glUniformMatrix4fv ( muMVPMatrixLoc , 1 , false , mvpMatrix , 0 ) ; GlUtil . checkGlError ( "glUniformMatrix4fv" ) ; // Copy the texture transformation matrix over. GLES20 . glUniformMatrix4fv ( muTexMatrixLoc , 1 , false , texMatrix , 0 ) ; GlUtil . checkGlError ( "glUniformMatrix4fv" ) ; // Enable the "aPosition" vertex attribute. GLES20 . glEnableVertexAttribArray ( maPositionLoc ) ; GlUtil . checkGlError ( "glEnableVertexAttribArray" ) ; // Connect vertexBuffer to "aPosition". GLES20 . glVertexAttribPointer ( maPositionLoc , coordsPerVertex , GLES20 . GL_FLOAT , false , vertexStride , vertexBuffer ) ; GlUtil . checkGlError ( "glVertexAttribPointer" ) ; // Enable the "aTextureCoord" vertex attribute. GLES20 . glEnableVertexAttribArray ( maTextureCoordLoc ) ; GlUtil . checkGlError ( "glEnableVertexAttribArray" ) ; // Connect texBuffer to "aTextureCoord". GLES20 . glVertexAttribPointer ( maTextureCoordLoc , 2 , GLES20 . GL_FLOAT , false , texStride , texBuffer ) ; GlUtil . checkGlError ( "glVertexAttribPointer" ) ; // Populate the convolution kernel, if present. if ( muKernelLoc >= 0 ) { GLES20 . glUniform1fv ( muKernelLoc , KERNEL_SIZE , mKernel , 0 ) ; GLES20 . glUniform2fv ( muTexOffsetLoc , KERNEL_SIZE , mTexOffset , 0 ) ; GLES20 . glUniform1f ( muColorAdjustLoc , mColorAdjust ) ; } // Populate touch position data, if present if ( muTouchPositionLoc >= 0 ) { GLES20 . glUniform2fv ( muTouchPositionLoc , 1 , mSummedTouchPosition , 0 ) ; } // Draw the rect. GLES20 . glDrawArrays ( GLES20 . GL_TRIANGLE_STRIP , firstVertex , vertexCount ) ; GlUtil . checkGlError ( "glDrawArrays" ) ; // Done -- disable vertex array, texture, and program. GLES20 . glDisableVertexAttribArray ( maPositionLoc ) ; GLES20 . glDisableVertexAttribArray ( maTextureCoordLoc ) ; GLES20 . glBindTexture ( mTextureTarget , 0 ) ; GLES20 . glUseProgram ( 0 ) ; }
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Issues the draw call . Does the full setup on every call .
| 769
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153,719
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public static void getLastKnownLocation ( Context context , boolean waitForGpsFix , final LocationResult cb ) { DeviceLocation deviceLocation = new DeviceLocation ( ) ; LocationManager lm = ( LocationManager ) context . getSystemService ( Context . LOCATION_SERVICE ) ; Location last_loc ; last_loc = lm . getLastKnownLocation ( LocationManager . GPS_PROVIDER ) ; if ( last_loc == null ) last_loc = lm . getLastKnownLocation ( LocationManager . NETWORK_PROVIDER ) ; if ( last_loc != null && cb != null ) { cb . gotLocation ( last_loc ) ; } else { deviceLocation . getLocation ( context , cb , waitForGpsFix ) ; } }
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Get the last known location . If one is not available fetch a fresh location
| 163
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153,720
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public static KickflipApiClient getApiClient ( Context context , KickflipCallback callback ) { checkNotNull ( sClientKey ) ; checkNotNull ( sClientSecret ) ; if ( sKickflip == null || ! sKickflip . getConfig ( ) . getClientId ( ) . equals ( sClientKey ) ) { sKickflip = new KickflipApiClient ( context , sClientKey , sClientSecret , callback ) ; } else if ( callback != null ) { callback . onSuccess ( sKickflip . getActiveUser ( ) ) ; } return sKickflip ; }
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Create a new instance of the KickflipApiClient if one hasn t yet been created or the provided API keys don t match the existing client .
| 135
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153,721
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public void loginUser ( String username , final String password , final KickflipCallback cb ) { GenericData data = new GenericData ( ) ; data . put ( "username" , username ) ; data . put ( "password" , password ) ; post ( GET_USER_PRIVATE , new UrlEncodedContent ( data ) , User . class , new KickflipCallback ( ) { @ Override public void onSuccess ( final Response response ) { if ( VERBOSE ) Log . i ( TAG , "loginUser response: " + response ) ; storeNewUserResponse ( ( User ) response , password ) ; postResponseToCallback ( cb , response ) ; } @ Override public void onError ( final KickflipException error ) { Log . w ( TAG , "loginUser Error: " + error ) ; postExceptionToCallback ( cb , error ) ; } } ) ; }
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Login an exiting Kickflip User and make it active .
| 193
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153,722
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public void setUserInfo ( final String newPassword , String email , String displayName , Map extraInfo , final KickflipCallback cb ) { if ( ! assertActiveUserAvailable ( cb ) ) return ; GenericData data = new GenericData ( ) ; final String finalPassword ; if ( newPassword != null ) { data . put ( "new_password" , newPassword ) ; finalPassword = newPassword ; } else { finalPassword = getPasswordForActiveUser ( ) ; } if ( email != null ) data . put ( "email" , email ) ; if ( displayName != null ) data . put ( "display_name" , displayName ) ; if ( extraInfo != null ) data . put ( "extra_info" , new Gson ( ) . toJson ( extraInfo ) ) ; post ( EDIT_USER , new UrlEncodedContent ( data ) , User . class , new KickflipCallback ( ) { @ Override public void onSuccess ( final Response response ) { if ( VERBOSE ) Log . i ( TAG , "setUserInfo response: " + response ) ; storeNewUserResponse ( ( User ) response , finalPassword ) ; postResponseToCallback ( cb , response ) ; } @ Override public void onError ( final KickflipException error ) { Log . w ( TAG , "setUserInfo Error: " + error ) ; postExceptionToCallback ( cb , error ) ; } } ) ; }
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Set the current active user s meta info . Pass a null argument to leave it as - is .
| 312
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153,723
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public void getUserInfo ( String username , final KickflipCallback cb ) { if ( ! assertActiveUserAvailable ( cb ) ) return ; GenericData data = new GenericData ( ) ; data . put ( "username" , username ) ; post ( GET_USER_PUBLIC , new UrlEncodedContent ( data ) , User . class , new KickflipCallback ( ) { @ Override public void onSuccess ( final Response response ) { if ( VERBOSE ) Log . i ( TAG , "getUserInfo response: " + response ) ; postResponseToCallback ( cb , response ) ; } @ Override public void onError ( final KickflipException error ) { Log . w ( TAG , "getUserInfo Error: " + error ) ; postExceptionToCallback ( cb , error ) ; } } ) ; }
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Get public user info
| 181
| 4
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153,724
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private void stopStream ( User user , Stream stream , final KickflipCallback cb ) { checkNotNull ( stream ) ; // TODO: Add start / stop lat lon to Stream? GenericData data = new GenericData ( ) ; data . put ( "stream_id" , stream . getStreamId ( ) ) ; data . put ( "uuid" , user . getUUID ( ) ) ; if ( stream . getLatitude ( ) != 0 ) { data . put ( "lat" , stream . getLatitude ( ) ) ; } if ( stream . getLongitude ( ) != 0 ) { data . put ( "lon" , stream . getLongitude ( ) ) ; } post ( STOP_STREAM , new UrlEncodedContent ( data ) , HlsStream . class , cb ) ; }
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Stop a Stream owned by the given Kickflip User .
| 178
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153,725
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private void handleKickflipResponse ( HttpResponse response , Class < ? extends Response > responseClass , KickflipCallback cb ) throws IOException { if ( cb == null ) return ; HashMap responseMap = null ; Response kickFlipResponse = response . parseAs ( responseClass ) ; if ( VERBOSE ) Log . i ( TAG , String . format ( "RESPONSE: %s body: %s" , shortenUrlString ( response . getRequest ( ) . getUrl ( ) . toString ( ) ) , new GsonBuilder ( ) . setPrettyPrinting ( ) . create ( ) . toJson ( kickFlipResponse ) ) ) ; // if (Stream.class.isAssignableFrom(responseClass)) { // if( ((String) responseMap.get("stream_type")).compareTo("HLS") == 0){ // kickFlipResponse = response.parseAs(HlsStream.class); // } else if( ((String) responseMap.get("stream_type")).compareTo("RTMP") == 0){ // // TODO: // } // } else if(User.class.isAssignableFrom(responseClass)){ // kickFlipResponse = response.parseAs(User.class); // } if ( kickFlipResponse == null ) { postExceptionToCallback ( cb , UNKNOWN_ERROR_CODE ) ; } else if ( ! kickFlipResponse . isSuccessful ( ) ) { postExceptionToCallback ( cb , UNKNOWN_ERROR_CODE ) ; } else { postResponseToCallback ( cb , kickFlipResponse ) ; } }
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Parse the HttpResponse as the appropriate Response subclass
| 357
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153,726
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public static File getRootStorageDirectory ( Context c , String directory_name ) { File result ; // First, try getting access to the sdcard partition if ( Environment . getExternalStorageState ( ) . equals ( Environment . MEDIA_MOUNTED ) ) { Log . d ( TAG , "Using sdcard" ) ; result = new File ( Environment . getExternalStorageDirectory ( ) , directory_name ) ; } else { // Else, use the internal storage directory for this application Log . d ( TAG , "Using internal storage" ) ; result = new File ( c . getApplicationContext ( ) . getFilesDir ( ) , directory_name ) ; } if ( ! result . exists ( ) ) result . mkdir ( ) ; else if ( result . isFile ( ) ) { return null ; } Log . d ( "getRootStorageDirectory" , result . getAbsolutePath ( ) ) ; return result ; }
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Returns a Java File initialized to a directory of given name at the root storage location with preference to external storage . If the directory did not exist it will be created at the conclusion of this call . If a file with conflicting name exists this method returns null ;
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153,727
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public static File getStorageDirectory ( File parent_directory , String new_child_directory_name ) { File result = new File ( parent_directory , new_child_directory_name ) ; if ( ! result . exists ( ) ) if ( result . mkdir ( ) ) return result ; else { Log . e ( "getStorageDirectory" , "Error creating " + result . getAbsolutePath ( ) ) ; return null ; } else if ( result . isFile ( ) ) { return null ; } Log . d ( "getStorageDirectory" , "directory ready: " + result . getAbsolutePath ( ) ) ; return result ; }
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Returns a Java File initialized to a directory of given name within the given location .
| 138
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153,728
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public static File createTempFile ( Context c , File root , String filename , String extension ) { File output = null ; try { if ( filename != null ) { if ( ! extension . contains ( "." ) ) extension = "." + extension ; output = new File ( root , filename + extension ) ; output . createNewFile ( ) ; //output = File.createTempFile(filename, extension, root); Log . i ( TAG , "Created temp file: " + output . getAbsolutePath ( ) ) ; } return output ; } catch ( IOException e ) { e . printStackTrace ( ) ; return null ; } }
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Returns a TempFile with given root filename and extension . The resulting TempFile is safe for use with Android s MediaRecorder
| 136
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153,729
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public static String tail2 ( File file , int lines ) { lines ++ ; // Read # lines inclusive java . io . RandomAccessFile fileHandler = null ; try { fileHandler = new java . io . RandomAccessFile ( file , "r" ) ; long fileLength = fileHandler . length ( ) - 1 ; StringBuilder sb = new StringBuilder ( ) ; int line = 0 ; for ( long filePointer = fileLength ; filePointer != - 1 ; filePointer -- ) { fileHandler . seek ( filePointer ) ; int readByte = fileHandler . readByte ( ) ; if ( readByte == 0xA ) { line = line + 1 ; if ( line == lines ) { if ( filePointer == fileLength - 1 ) { continue ; } else { break ; } } } sb . append ( ( char ) readByte ) ; } String lastLine = sb . reverse ( ) . toString ( ) ; return lastLine ; } catch ( java . io . FileNotFoundException e ) { e . printStackTrace ( ) ; return null ; } catch ( java . io . IOException e ) { e . printStackTrace ( ) ; return null ; } finally { if ( fileHandler != null ) try { fileHandler . close ( ) ; } catch ( IOException e ) { /* ignore */ } } }
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Read the last few lines of a file
| 289
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153,730
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public static void deleteDirectory ( File fileOrDirectory ) { if ( fileOrDirectory . isDirectory ( ) ) for ( File child : fileOrDirectory . listFiles ( ) ) deleteDirectory ( child ) ; fileOrDirectory . delete ( ) ; }
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Delete a directory and all its contents
| 52
| 7
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153,731
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protected long getNextRelativePts ( long absPts , int trackIndex ) { if ( mFirstPts == 0 ) { mFirstPts = absPts ; return 0 ; } return getSafePts ( absPts - mFirstPts , trackIndex ) ; }
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Return a relative pts given an absolute pts and trackIndex .
| 62
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153,732
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private long getSafePts ( long pts , int trackIndex ) { if ( mLastPts [ trackIndex ] >= pts ) { // Enforce a non-zero minimum spacing // between pts mLastPts [ trackIndex ] += 9643 ; return mLastPts [ trackIndex ] ; } mLastPts [ trackIndex ] = pts ; return pts ; }
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Sometimes packets with non - increasing pts are dequeued from the MediaCodec output buffer . This method ensures that a crash won t occur due to non monotonically increasing packet timestamp .
| 79
| 38
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153,733
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public void drawFrame ( int textureId , float [ ] texMatrix ) { // Use the identity matrix for MVP so our 2x2 FULL_RECTANGLE covers the viewport. mProgram . draw ( IDENTITY_MATRIX , mRectDrawable . getVertexArray ( ) , 0 , mRectDrawable . getVertexCount ( ) , mRectDrawable . getCoordsPerVertex ( ) , mRectDrawable . getVertexStride ( ) , texMatrix , TEX_COORDS_BUF , textureId , TEX_COORDS_STRIDE ) ; }
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Draws a rectangle in an area defined by TEX_COORDS
| 132
| 15
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153,734
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protected boolean isOneShotQuery ( CachedQuery cachedQuery ) { if ( cachedQuery == null ) { return true ; } cachedQuery . increaseExecuteCount ( ) ; if ( ( mPrepareThreshold == 0 || cachedQuery . getExecuteCount ( ) < mPrepareThreshold ) && ! getForceBinaryTransfer ( ) ) { return true ; } return false ; }
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Returns true if query is unlikely to be reused .
| 82
| 10
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153,735
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public void setQueryTimeoutMs ( long millis ) throws SQLException { checkClosed ( ) ; if ( millis < 0 ) { throw new PSQLException ( GT . tr ( "Query timeout must be a value greater than or equals to 0." ) , PSQLState . INVALID_PARAMETER_VALUE ) ; } timeout = millis ; }
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Sets the queryTimeout limit .
| 82
| 7
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153,736
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@ Override public void close ( ) throws SQLException { if ( last != null ) { last . close ( ) ; if ( ! con . isClosed ( ) ) { if ( ! con . getAutoCommit ( ) ) { try { con . rollback ( ) ; } catch ( SQLException ignored ) { } } } } try { con . close ( ) ; } finally { con = null ; } }
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Closes the physical database connection represented by this PooledConnection . If any client has a connection based on this PooledConnection it is forcibly closed as well .
| 92
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153,737
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@ Override public Connection getConnection ( ) throws SQLException { if ( con == null ) { // Before throwing the exception, let's notify the registered listeners about the error PSQLException sqlException = new PSQLException ( GT . tr ( "This PooledConnection has already been closed." ) , PSQLState . CONNECTION_DOES_NOT_EXIST ) ; fireConnectionFatalError ( sqlException ) ; throw sqlException ; } // If any error occurs while opening a new connection, the listeners // have to be notified. This gives a chance to connection pools to // eliminate bad pooled connections. try { // Only one connection can be open at a time from this PooledConnection. See JDBC 2.0 Optional // Package spec section 6.2.3 if ( last != null ) { last . close ( ) ; if ( ! con . getAutoCommit ( ) ) { try { con . rollback ( ) ; } catch ( SQLException ignored ) { } } con . clearWarnings ( ) ; } /* * In XA-mode, autocommit is handled in PGXAConnection, because it depends on whether an * XA-transaction is open or not */ if ( ! isXA ) { con . setAutoCommit ( autoCommit ) ; } } catch ( SQLException sqlException ) { fireConnectionFatalError ( sqlException ) ; throw ( SQLException ) sqlException . fillInStackTrace ( ) ; } ConnectionHandler handler = new ConnectionHandler ( con ) ; last = handler ; Connection proxyCon = ( Connection ) Proxy . newProxyInstance ( getClass ( ) . getClassLoader ( ) , new Class [ ] { Connection . class , PGConnection . class } , handler ) ; last . setProxy ( proxyCon ) ; return proxyCon ; }
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Gets a handle for a client to use . This is a wrapper around the physical connection so the client can call close and it will just return the connection to the pool without really closing the pgysical connection .
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void fireConnectionClosed ( ) { ConnectionEvent evt = null ; // Copy the listener list so the listener can remove itself during this method call ConnectionEventListener [ ] local = listeners . toArray ( new ConnectionEventListener [ 0 ] ) ; for ( ConnectionEventListener listener : local ) { if ( evt == null ) { evt = createConnectionEvent ( null ) ; } listener . connectionClosed ( evt ) ; } }
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Used to fire a connection closed event to all listeners .
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public int read ( ) throws java . io . IOException { checkClosed ( ) ; try { if ( limit > 0 && apos >= limit ) { return - 1 ; } if ( buffer == null || bpos >= buffer . length ) { buffer = lo . read ( bsize ) ; bpos = 0 ; } // Handle EOF if ( bpos >= buffer . length ) { return - 1 ; } int ret = ( buffer [ bpos ] & 0x7F ) ; if ( ( buffer [ bpos ] & 0x80 ) == 0x80 ) { ret |= 0x80 ; } bpos ++ ; apos ++ ; return ret ; } catch ( SQLException se ) { throw new IOException ( se . toString ( ) ) ; } }
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The minimum required to implement input stream .
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public synchronized Value borrow ( Key key ) throws SQLException { Value value = cache . remove ( key ) ; if ( value == null ) { return createAction . create ( key ) ; } currentSize -= value . getSize ( ) ; return value ; }
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Borrows an entry from the cache .
| 55
| 9
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public synchronized void put ( Key key , Value value ) { long valueSize = value . getSize ( ) ; if ( maxSizeBytes == 0 || maxSizeEntries == 0 || valueSize * 2 > maxSizeBytes ) { // Just destroy the value if cache is disabled or if entry would consume more than a half of // the cache evictValue ( value ) ; return ; } currentSize += valueSize ; Value prev = cache . put ( key , value ) ; if ( prev == null ) { return ; } // This should be a rare case currentSize -= prev . getSize ( ) ; if ( prev != value ) { evictValue ( prev ) ; } }
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Returns given value to the cache .
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public synchronized void putAll ( Map < Key , Value > m ) { for ( Map . Entry < Key , Value > entry : m . entrySet ( ) ) { this . put ( entry . getKey ( ) , entry . getValue ( ) ) ; } }
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Puts all the values from the given map into the cache .
| 56
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private void lock ( Object obtainer ) throws PSQLException { if ( lockedFor == obtainer ) { throw new PSQLException ( GT . tr ( "Tried to obtain lock while already holding it" ) , PSQLState . OBJECT_NOT_IN_STATE ) ; } waitOnLock ( ) ; lockedFor = obtainer ; }
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Obtain lock over this connection for given object blocking to wait if necessary .
| 77
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private void unlock ( Object holder ) throws PSQLException { if ( lockedFor != holder ) { throw new PSQLException ( GT . tr ( "Tried to break lock on database connection" ) , PSQLState . OBJECT_NOT_IN_STATE ) ; } lockedFor = null ; this . notify ( ) ; }
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Release lock on this connection presumably held by given object .
| 73
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private void waitOnLock ( ) throws PSQLException { while ( lockedFor != null ) { try { this . wait ( ) ; } catch ( InterruptedException ie ) { Thread . currentThread ( ) . interrupt ( ) ; throw new PSQLException ( GT . tr ( "Interrupted while waiting to obtain lock on database connection" ) , PSQLState . OBJECT_NOT_IN_STATE , ie ) ; } } }
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Wait until our lock is released . Execution of a single synchronized method can then continue without further ado . Must be called at beginning of each synchronized public method .
| 95
| 31
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public synchronized CopyOperation startCopy ( String sql , boolean suppressBegin ) throws SQLException { waitOnLock ( ) ; if ( ! suppressBegin ) { doSubprotocolBegin ( ) ; } byte [ ] buf = Utils . encodeUTF8 ( sql ) ; try { LOGGER . log ( Level . FINEST , " FE=> Query(CopyStart)" ) ; pgStream . sendChar ( ' ' ) ; pgStream . sendInteger4 ( buf . length + 4 + 1 ) ; pgStream . send ( buf ) ; pgStream . sendChar ( 0 ) ; pgStream . flush ( ) ; return processCopyResults ( null , true ) ; // expect a CopyInResponse or CopyOutResponse to our query above } catch ( IOException ioe ) { throw new PSQLException ( GT . tr ( "Database connection failed when starting copy" ) , PSQLState . CONNECTION_FAILURE , ioe ) ; } }
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Sends given query to BE to start initialize and lock connection for a CopyOperation .
| 202
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private synchronized void initCopy ( CopyOperationImpl op ) throws SQLException , IOException { pgStream . receiveInteger4 ( ) ; // length not used int rowFormat = pgStream . receiveChar ( ) ; int numFields = pgStream . receiveInteger2 ( ) ; int [ ] fieldFormats = new int [ numFields ] ; for ( int i = 0 ; i < numFields ; i ++ ) { fieldFormats [ i ] = pgStream . receiveInteger2 ( ) ; } lock ( op ) ; op . init ( this , rowFormat , fieldFormats ) ; }
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Locks connection and calls initializer for a new CopyOperation Called via startCopy - > processCopyResults .
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public void cancelCopy ( CopyOperationImpl op ) throws SQLException { if ( ! hasLock ( op ) ) { throw new PSQLException ( GT . tr ( "Tried to cancel an inactive copy operation" ) , PSQLState . OBJECT_NOT_IN_STATE ) ; } SQLException error = null ; int errors = 0 ; try { if ( op instanceof CopyIn ) { synchronized ( this ) { LOGGER . log ( Level . FINEST , "FE => CopyFail" ) ; final byte [ ] msg = Utils . encodeUTF8 ( "Copy cancel requested" ) ; pgStream . sendChar ( ' ' ) ; // CopyFail pgStream . sendInteger4 ( 5 + msg . length ) ; pgStream . send ( msg ) ; pgStream . sendChar ( 0 ) ; pgStream . flush ( ) ; do { try { processCopyResults ( op , true ) ; // discard rest of input } catch ( SQLException se ) { // expected error response to failing copy errors ++ ; if ( error != null ) { SQLException e = se ; SQLException next ; while ( ( next = e . getNextException ( ) ) != null ) { e = next ; } e . setNextException ( error ) ; } error = se ; } } while ( hasLock ( op ) ) ; } } else if ( op instanceof CopyOut ) { sendQueryCancel ( ) ; } } catch ( IOException ioe ) { throw new PSQLException ( GT . tr ( "Database connection failed when canceling copy operation" ) , PSQLState . CONNECTION_FAILURE , ioe ) ; } finally { // Need to ensure the lock isn't held anymore, or else // future operations, rather than failing due to the // broken connection, will simply hang waiting for this // lock. synchronized ( this ) { if ( hasLock ( op ) ) { unlock ( op ) ; } } } if ( op instanceof CopyIn ) { if ( errors < 1 ) { throw new PSQLException ( GT . tr ( "Missing expected error response to copy cancel request" ) , PSQLState . COMMUNICATION_ERROR ) ; } else if ( errors > 1 ) { throw new PSQLException ( GT . tr ( "Got {0} error responses to single copy cancel request" , String . valueOf ( errors ) ) , PSQLState . COMMUNICATION_ERROR , error ) ; } } }
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Finishes a copy operation and unlocks connection discarding any exchanged data .
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public synchronized long endCopy ( CopyOperationImpl op ) throws SQLException { if ( ! hasLock ( op ) ) { throw new PSQLException ( GT . tr ( "Tried to end inactive copy" ) , PSQLState . OBJECT_NOT_IN_STATE ) ; } try { LOGGER . log ( Level . FINEST , " FE=> CopyDone" ) ; pgStream . sendChar ( ' ' ) ; // CopyDone pgStream . sendInteger4 ( 4 ) ; pgStream . flush ( ) ; do { processCopyResults ( op , true ) ; } while ( hasLock ( op ) ) ; return op . getHandledRowCount ( ) ; } catch ( IOException ioe ) { throw new PSQLException ( GT . tr ( "Database connection failed when ending copy" ) , PSQLState . CONNECTION_FAILURE , ioe ) ; } }
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Finishes writing to copy and unlocks connection .
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public synchronized void writeToCopy ( CopyOperationImpl op , byte [ ] data , int off , int siz ) throws SQLException { if ( ! hasLock ( op ) ) { throw new PSQLException ( GT . tr ( "Tried to write to an inactive copy operation" ) , PSQLState . OBJECT_NOT_IN_STATE ) ; } LOGGER . log ( Level . FINEST , " FE=> CopyData({0})" , siz ) ; try { pgStream . sendChar ( ' ' ) ; pgStream . sendInteger4 ( siz + 4 ) ; pgStream . send ( data , off , siz ) ; processCopyResults ( op , false ) ; // collect any pending notifications without blocking } catch ( IOException ioe ) { throw new PSQLException ( GT . tr ( "Database connection failed when writing to copy" ) , PSQLState . CONNECTION_FAILURE , ioe ) ; } }
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Sends data during a live COPY IN operation . Only unlocks the connection if server suddenly returns CommandComplete which should not happen
| 208
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public static String toHexString ( byte [ ] data ) { StringBuilder sb = new StringBuilder ( data . length * 2 ) ; for ( byte element : data ) { sb . append ( Integer . toHexString ( ( element >> 4 ) & 15 ) ) ; sb . append ( Integer . toHexString ( element & 15 ) ) ; } return sb . toString ( ) ; }
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Turn a bytearray into a printable form representing each byte in hex .
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private static void doAppendEscapedIdentifier ( Appendable sbuf , String value ) throws SQLException { try { sbuf . append ( ' ' ) ; for ( int i = 0 ; i < value . length ( ) ; ++ i ) { char ch = value . charAt ( i ) ; if ( ch == ' ' ) { throw new PSQLException ( GT . tr ( "Zero bytes may not occur in identifiers." ) , PSQLState . INVALID_PARAMETER_VALUE ) ; } if ( ch == ' ' ) { sbuf . append ( ch ) ; } sbuf . append ( ch ) ; } sbuf . append ( ' ' ) ; } catch ( IOException e ) { throw new PSQLException ( GT . tr ( "No IOException expected from StringBuffer or StringBuilder" ) , PSQLState . UNEXPECTED_ERROR , e ) ; } }
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Common part for appendEscapedIdentifier .
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| 9
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public int getInteger ( String name , FastpathArg [ ] args ) throws SQLException { byte [ ] returnValue = fastpath ( name , args ) ; if ( returnValue == null ) { throw new PSQLException ( GT . tr ( "Fastpath call {0} - No result was returned and we expected an integer." , name ) , PSQLState . NO_DATA ) ; } if ( returnValue . length == 4 ) { return ByteConverter . int4 ( returnValue , 0 ) ; } else { throw new PSQLException ( GT . tr ( "Fastpath call {0} - No result was returned or wrong size while expecting an integer." , name ) , PSQLState . NO_DATA ) ; } }
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This convenience method assumes that the return value is an integer .
| 162
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public long getOID ( String name , FastpathArg [ ] args ) throws SQLException { long oid = getInteger ( name , args ) ; if ( oid < 0 ) { oid += NUM_OIDS ; } return oid ; }
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This convenience method assumes that the return value is an oid .
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public static FastpathArg createOIDArg ( long oid ) { if ( oid > Integer . MAX_VALUE ) { oid -= NUM_OIDS ; } return new FastpathArg ( ( int ) oid ) ; }
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Creates a FastpathArg with an oid parameter . This is here instead of a constructor of FastpathArg because the constructor can t tell the difference between an long that s really int8 and a long thats an oid .
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public Object getObjectInstance ( Object obj , Name name , Context nameCtx , Hashtable < ? , ? > environment ) throws Exception { Reference ref = ( Reference ) obj ; String className = ref . getClassName ( ) ; // Old names are here for those who still use them if ( className . equals ( "org.postgresql.ds.PGSimpleDataSource" ) || className . equals ( "org.postgresql.jdbc2.optional.SimpleDataSource" ) || className . equals ( "org.postgresql.jdbc3.Jdbc3SimpleDataSource" ) ) { return loadSimpleDataSource ( ref ) ; } else if ( className . equals ( "org.postgresql.ds.PGConnectionPoolDataSource" ) || className . equals ( "org.postgresql.jdbc2.optional.ConnectionPool" ) || className . equals ( "org.postgresql.jdbc3.Jdbc3ConnectionPool" ) ) { return loadConnectionPool ( ref ) ; } else if ( className . equals ( "org.postgresql.ds.PGPoolingDataSource" ) || className . equals ( "org.postgresql.jdbc2.optional.PoolingDataSource" ) || className . equals ( "org.postgresql.jdbc3.Jdbc3PoolingDataSource" ) ) { return loadPoolingDataSource ( ref ) ; } else { return null ; } }
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Dereferences a PostgreSQL DataSource . Other types of references are ignored .
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public void setDataSourceName ( String dataSourceName ) { if ( initialized ) { throw new IllegalStateException ( "Cannot set Data Source properties after DataSource has been used" ) ; } if ( this . dataSourceName != null && dataSourceName != null && dataSourceName . equals ( this . dataSourceName ) ) { return ; } PGPoolingDataSource previous = dataSources . putIfAbsent ( dataSourceName , this ) ; if ( previous != null ) { throw new IllegalArgumentException ( "DataSource with name '" + dataSourceName + "' already exists!" ) ; } if ( this . dataSourceName != null ) { dataSources . remove ( this . dataSourceName ) ; } this . dataSourceName = dataSourceName ; }
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Sets the name of this DataSource . This is required and uniquely identifies the DataSource . You cannot create or use more than one DataSource in the same VM with the same name .
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public void initialize ( ) throws SQLException { synchronized ( lock ) { source = createConnectionPool ( ) ; try { source . initializeFrom ( this ) ; } catch ( Exception e ) { throw new PSQLException ( GT . tr ( "Failed to setup DataSource." ) , PSQLState . UNEXPECTED_ERROR , e ) ; } while ( available . size ( ) < initialConnections ) { available . push ( source . getPooledConnection ( ) ) ; } initialized = true ; } }
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Initializes this DataSource . If the initialConnections is greater than zero that number of connections will be created . After this method is called the DataSource properties cannot be changed . If you do not call this explicitly it will be called the first time you get a connection from the DataSource .
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public void close ( ) { synchronized ( lock ) { while ( ! available . isEmpty ( ) ) { PooledConnection pci = available . pop ( ) ; try { pci . close ( ) ; } catch ( SQLException e ) { } } available = null ; while ( ! used . isEmpty ( ) ) { PooledConnection pci = used . pop ( ) ; pci . removeConnectionEventListener ( connectionEventListener ) ; try { pci . close ( ) ; } catch ( SQLException e ) { } } used = null ; } removeStoredDataSource ( ) ; }
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Closes this DataSource and all the pooled connections whether in use or not .
| 125
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private Connection getPooledConnection ( ) throws SQLException { PooledConnection pc = null ; synchronized ( lock ) { if ( available == null ) { throw new PSQLException ( GT . tr ( "DataSource has been closed." ) , PSQLState . CONNECTION_DOES_NOT_EXIST ) ; } while ( true ) { if ( ! available . isEmpty ( ) ) { pc = available . pop ( ) ; used . push ( pc ) ; break ; } if ( maxConnections == 0 || used . size ( ) < maxConnections ) { pc = source . getPooledConnection ( ) ; used . push ( pc ) ; break ; } else { try { // Wake up every second at a minimum lock . wait ( 1000L ) ; } catch ( InterruptedException e ) { } } } } pc . addConnectionEventListener ( connectionEventListener ) ; return pc . getConnection ( ) ; }
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Gets a connection from the pool . Will get an available one if present or create a new one if under the max limit . Will block if all used and a new one would exceed the max .
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public Reference getReference ( ) throws NamingException { Reference ref = super . getReference ( ) ; ref . add ( new StringRefAddr ( "dataSourceName" , dataSourceName ) ) ; if ( initialConnections > 0 ) { ref . add ( new StringRefAddr ( "initialConnections" , Integer . toString ( initialConnections ) ) ) ; } if ( maxConnections > 0 ) { ref . add ( new StringRefAddr ( "maxConnections" , Integer . toString ( maxConnections ) ) ) ; } return ref ; }
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Adds custom properties for this DataSource to the properties defined in the superclass .
| 123
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void setFields ( Field [ ] fields ) { this . fields = fields ; this . resultSetColumnNameIndexMap = null ; this . cachedMaxResultRowSize = null ; this . needUpdateFieldFormats = fields != null ; this . hasBinaryFields = false ; // just in case }
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Sets the fields that this query will return .
| 65
| 10
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public synchronized Timestamp toTimestamp ( Calendar cal , String s ) throws SQLException { if ( s == null ) { return null ; } int slen = s . length ( ) ; // convert postgres's infinity values to internal infinity magic value if ( slen == 8 && s . equals ( "infinity" ) ) { return new Timestamp ( PGStatement . DATE_POSITIVE_INFINITY ) ; } if ( slen == 9 && s . equals ( "-infinity" ) ) { return new Timestamp ( PGStatement . DATE_NEGATIVE_INFINITY ) ; } ParsedTimestamp ts = parseBackendTimestamp ( s ) ; Calendar useCal = ts . tz != null ? ts . tz : setupCalendar ( cal ) ; useCal . set ( Calendar . ERA , ts . era ) ; useCal . set ( Calendar . YEAR , ts . year ) ; useCal . set ( Calendar . MONTH , ts . month - 1 ) ; useCal . set ( Calendar . DAY_OF_MONTH , ts . day ) ; useCal . set ( Calendar . HOUR_OF_DAY , ts . hour ) ; useCal . set ( Calendar . MINUTE , ts . minute ) ; useCal . set ( Calendar . SECOND , ts . second ) ; useCal . set ( Calendar . MILLISECOND , 0 ) ; Timestamp result = new Timestamp ( useCal . getTimeInMillis ( ) ) ; result . setNanos ( ts . nanos ) ; return result ; }
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Parse a string and return a timestamp representing its value .
| 333
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public LocalTime toLocalTime ( String s ) throws SQLException { if ( s == null ) { return null ; } if ( s . equals ( "24:00:00" ) ) { return LocalTime . MAX ; } try { return LocalTime . parse ( s ) ; } catch ( DateTimeParseException nfe ) { throw new PSQLException ( GT . tr ( "Bad value for type timestamp/date/time: {1}" , s ) , PSQLState . BAD_DATETIME_FORMAT , nfe ) ; } }
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Parse a string and return a LocalTime representing its value .
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public LocalDateTime toLocalDateTime ( String s ) throws SQLException { if ( s == null ) { return null ; } int slen = s . length ( ) ; // convert postgres's infinity values to internal infinity magic value if ( slen == 8 && s . equals ( "infinity" ) ) { return LocalDateTime . MAX ; } if ( slen == 9 && s . equals ( "-infinity" ) ) { return LocalDateTime . MIN ; } ParsedTimestamp ts = parseBackendTimestamp ( s ) ; // intentionally ignore time zone // 2004-10-19 10:23:54+03:00 is 2004-10-19 10:23:54 locally LocalDateTime result = LocalDateTime . of ( ts . year , ts . month , ts . day , ts . hour , ts . minute , ts . second , ts . nanos ) ; if ( ts . era == GregorianCalendar . BC ) { return result . with ( ChronoField . ERA , IsoEra . BCE . getValue ( ) ) ; } else { return result ; } }
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Parse a string and return a LocalDateTime representing its value .
| 237
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public Calendar getSharedCalendar ( TimeZone timeZone ) { if ( timeZone == null ) { timeZone = getDefaultTz ( ) ; } Calendar tmp = calendarWithUserTz ; tmp . setTimeZone ( timeZone ) ; return tmp ; }
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Get a shared calendar applying the supplied time zone or the default time zone if null .
| 56
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153,767
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public Date convertToDate ( long millis , TimeZone tz ) { // no adjustments for the inifity hack values if ( millis <= PGStatement . DATE_NEGATIVE_INFINITY || millis >= PGStatement . DATE_POSITIVE_INFINITY ) { return new Date ( millis ) ; } if ( tz == null ) { tz = getDefaultTz ( ) ; } if ( isSimpleTimeZone ( tz . getID ( ) ) ) { // Truncate to 00:00 of the day. // Suppose the input date is 7 Jan 15:40 GMT+02:00 (that is 13:40 UTC) // We want it to become 7 Jan 00:00 GMT+02:00 // 1) Make sure millis becomes 15:40 in UTC, so add offset int offset = tz . getRawOffset ( ) ; millis += offset ; // 2) Truncate hours, minutes, etc. Day is always 86400 seconds, no matter what leap seconds // are millis = millis / ONEDAY * ONEDAY ; // 2) Now millis is 7 Jan 00:00 UTC, however we need that in GMT+02:00, so subtract some // offset millis -= offset ; // Now we have brand-new 7 Jan 00:00 GMT+02:00 return new Date ( millis ) ; } Calendar cal = calendarWithUserTz ; cal . setTimeZone ( tz ) ; cal . setTimeInMillis ( millis ) ; cal . set ( Calendar . HOUR_OF_DAY , 0 ) ; cal . set ( Calendar . MINUTE , 0 ) ; cal . set ( Calendar . SECOND , 0 ) ; cal . set ( Calendar . MILLISECOND , 0 ) ; return new Date ( cal . getTimeInMillis ( ) ) ; }
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Extracts the date part from a timestamp .
| 397
| 10
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public Time convertToTime ( long millis , TimeZone tz ) { if ( tz == null ) { tz = getDefaultTz ( ) ; } if ( isSimpleTimeZone ( tz . getID ( ) ) ) { // Leave just time part of the day. // Suppose the input date is 2015 7 Jan 15:40 GMT+02:00 (that is 13:40 UTC) // We want it to become 1970 1 Jan 15:40 GMT+02:00 // 1) Make sure millis becomes 15:40 in UTC, so add offset int offset = tz . getRawOffset ( ) ; millis += offset ; // 2) Truncate year, month, day. Day is always 86400 seconds, no matter what leap seconds are millis = millis % ONEDAY ; // 2) Now millis is 1970 1 Jan 15:40 UTC, however we need that in GMT+02:00, so subtract some // offset millis -= offset ; // Now we have brand-new 1970 1 Jan 15:40 GMT+02:00 return new Time ( millis ) ; } Calendar cal = calendarWithUserTz ; cal . setTimeZone ( tz ) ; cal . setTimeInMillis ( millis ) ; cal . set ( Calendar . ERA , GregorianCalendar . AD ) ; cal . set ( Calendar . YEAR , 1970 ) ; cal . set ( Calendar . MONTH , 0 ) ; cal . set ( Calendar . DAY_OF_MONTH , 1 ) ; return new Time ( cal . getTimeInMillis ( ) ) ; }
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Extracts the time part from a timestamp . This method ensures the date part of output timestamp looks like 1970 - 01 - 01 in given timezone .
| 338
| 31
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public String timeToString ( java . util . Date time , boolean withTimeZone ) { Calendar cal = null ; if ( withTimeZone ) { cal = calendarWithUserTz ; cal . setTimeZone ( timeZoneProvider . get ( ) ) ; } if ( time instanceof Timestamp ) { return toString ( cal , ( Timestamp ) time , withTimeZone ) ; } if ( time instanceof Time ) { return toString ( cal , ( Time ) time , withTimeZone ) ; } return toString ( cal , ( Date ) time , withTimeZone ) ; }
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Returns the given time value as String matching what the current postgresql server would send in text mode .
| 124
| 21
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public XAConnection getXAConnection ( String user , String password ) throws SQLException { Connection con = super . getConnection ( user , password ) ; return new PGXAConnection ( ( BaseConnection ) con ) ; }
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Gets a XA - enabled connection to the PostgreSQL database . The database is identified by the DataSource properties serverName databaseName and portNumber . The user to connect as is identified by the arguments user and password which override the DataSource properties by the same name .
| 55
| 55
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public long copyOut ( final String sql , Writer to ) throws SQLException , IOException { byte [ ] buf ; CopyOut cp = copyOut ( sql ) ; try { while ( ( buf = cp . readFromCopy ( ) ) != null ) { to . write ( encoding . decode ( buf ) ) ; } return cp . getHandledRowCount ( ) ; } catch ( IOException ioEX ) { // if not handled this way the close call will hang, at least in 8.2 if ( cp . isActive ( ) ) { cp . cancelCopy ( ) ; } try { // read until exhausted or operation cancelled SQLException while ( ( buf = cp . readFromCopy ( ) ) != null ) { } } catch ( SQLException sqlEx ) { } // typically after several kB throw ioEX ; } finally { // see to it that we do not leave the connection locked if ( cp . isActive ( ) ) { cp . cancelCopy ( ) ; } } }
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Pass results of a COPY TO STDOUT query from database into a Writer .
| 212
| 16
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153,772
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public String getColumnClassName ( int column ) throws SQLException { Field field = getField ( column ) ; String result = connection . getTypeInfo ( ) . getJavaClass ( field . getOID ( ) ) ; if ( result != null ) { return result ; } int sqlType = getSQLType ( column ) ; switch ( sqlType ) { case Types . ARRAY : return ( "java.sql.Array" ) ; default : String type = getPGType ( column ) ; if ( "unknown" . equals ( type ) ) { return ( "java.lang.String" ) ; } return ( "java.lang.Object" ) ; } }
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This can hook into our PG_Object mechanism
| 143
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153,773
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private static Connection makeConnection ( String url , Properties props ) throws SQLException { return new PgConnection ( hostSpecs ( props ) , user ( props ) , database ( props ) , props , url ) ; }
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Create a connection from URL and properties . Always does the connection work in the current thread without enforcing a timeout regardless of any timeout specified in the properties .
| 47
| 30
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public static SQLFeatureNotSupportedException notImplemented ( Class < ? > callClass , String functionName ) { return new SQLFeatureNotSupportedException ( GT . tr ( "Method {0} is not yet implemented." , callClass . getName ( ) + "." + functionName ) , PSQLState . NOT_IMPLEMENTED . getState ( ) ) ; }
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This method was added in v6 . 5 and simply throws an SQLException for an unimplemented method . I decided to do it this way while implementing the JDBC2 extensions to JDBC as it should help keep the overall driver size down . It now requires the call Class and the function name to help when the driver is used with closed software that don t report the stack strace
| 80
| 80
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public void setValue ( int years , int months , int days , int hours , int minutes , double seconds ) { setYears ( years ) ; setMonths ( months ) ; setDays ( days ) ; setHours ( hours ) ; setMinutes ( minutes ) ; setSeconds ( seconds ) ; }
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Set all values of this interval to the specified values .
| 64
| 11
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public String getValue ( ) { return years + " years " + months + " mons " + days + " days " + hours + " hours " + minutes + " mins " + secondsFormat . format ( seconds ) + " secs" ; }
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Returns the stored interval information as a string .
| 53
| 9
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public void add ( Calendar cal ) { // Avoid precision loss // Be aware postgres doesn't return more than 60 seconds - no overflow can happen final int microseconds = ( int ) ( getSeconds ( ) * 1000000.0 ) ; final int milliseconds = ( microseconds + ( ( microseconds < 0 ) ? - 500 : 500 ) ) / 1000 ; cal . add ( Calendar . MILLISECOND , milliseconds ) ; cal . add ( Calendar . MINUTE , getMinutes ( ) ) ; cal . add ( Calendar . HOUR , getHours ( ) ) ; cal . add ( Calendar . DAY_OF_MONTH , getDays ( ) ) ; cal . add ( Calendar . MONTH , getMonths ( ) ) ; cal . add ( Calendar . YEAR , getYears ( ) ) ; }
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Rolls this interval on a given calendar .
| 170
| 9
|
153,778
|
public void add ( Date date ) { final Calendar cal = Calendar . getInstance ( ) ; cal . setTime ( date ) ; add ( cal ) ; date . setTime ( cal . getTime ( ) . getTime ( ) ) ; }
|
Rolls this interval on a given date .
| 51
| 9
|
153,779
|
public void add ( PGInterval interval ) { interval . setYears ( interval . getYears ( ) + getYears ( ) ) ; interval . setMonths ( interval . getMonths ( ) + getMonths ( ) ) ; interval . setDays ( interval . getDays ( ) + getDays ( ) ) ; interval . setHours ( interval . getHours ( ) + getHours ( ) ) ; interval . setMinutes ( interval . getMinutes ( ) + getMinutes ( ) ) ; interval . setSeconds ( interval . getSeconds ( ) + getSeconds ( ) ) ; }
|
Add this interval s value to the passed interval . This is backwards to what I would expect but this makes it match the other existing add methods .
| 128
| 29
|
153,780
|
public void addWarning ( SQLWarning warn ) { // Add the warning to the chain if ( firstWarning != null ) { firstWarning . setNextWarning ( warn ) ; } else { firstWarning = warn ; } }
|
This adds a warning to the warning chain .
| 45
| 9
|
153,781
|
private void initObjectTypes ( Properties info ) throws SQLException { // Add in the types that come packaged with the driver. // These can be overridden later if desired. addDataType ( "box" , org . postgresql . geometric . PGbox . class ) ; addDataType ( "circle" , org . postgresql . geometric . PGcircle . class ) ; addDataType ( "line" , org . postgresql . geometric . PGline . class ) ; addDataType ( "lseg" , org . postgresql . geometric . PGlseg . class ) ; addDataType ( "path" , org . postgresql . geometric . PGpath . class ) ; addDataType ( "point" , org . postgresql . geometric . PGpoint . class ) ; addDataType ( "polygon" , org . postgresql . geometric . PGpolygon . class ) ; addDataType ( "money" , org . postgresql . util . PGmoney . class ) ; addDataType ( "interval" , org . postgresql . util . PGInterval . class ) ; Enumeration < ? > e = info . propertyNames ( ) ; while ( e . hasMoreElements ( ) ) { String propertyName = ( String ) e . nextElement ( ) ; if ( propertyName . startsWith ( "datatype." ) ) { String typeName = propertyName . substring ( 9 ) ; String className = info . getProperty ( propertyName ) ; Class < ? > klass ; try { klass = Class . forName ( className ) ; } catch ( ClassNotFoundException cnfe ) { throw new PSQLException ( GT . tr ( "Unable to load the class {0} responsible for the datatype {1}" , className , typeName ) , PSQLState . SYSTEM_ERROR , cnfe ) ; } addDataType ( typeName , klass . asSubclass ( PGobject . class ) ) ; } } }
|
This initialises the objectTypes hash map
| 436
| 8
|
153,782
|
public int getServerMajorVersion ( ) { try { StringTokenizer versionTokens = new StringTokenizer ( queryExecutor . getServerVersion ( ) , "." ) ; // aaXbb.ccYdd return integerPart ( versionTokens . nextToken ( ) ) ; // return X } catch ( NoSuchElementException e ) { return 0 ; } }
|
Get server major version .
| 76
| 5
|
153,783
|
private static int integerPart ( String dirtyString ) { int start = 0 ; while ( start < dirtyString . length ( ) && ! Character . isDigit ( dirtyString . charAt ( start ) ) ) { ++ start ; } int end = start ; while ( end < dirtyString . length ( ) && Character . isDigit ( dirtyString . charAt ( end ) ) ) { ++ end ; } if ( start == end ) { return 0 ; } return Integer . parseInt ( dirtyString . substring ( start , end ) ) ; }
|
Parse a dirty integer surrounded by non - numeric characters
| 116
| 11
|
153,784
|
public static LogSequenceNumber valueOf ( String strValue ) { int slashIndex = strValue . lastIndexOf ( ' ' ) ; if ( slashIndex <= 0 ) { return INVALID_LSN ; } String logicalXLogStr = strValue . substring ( 0 , slashIndex ) ; int logicalXlog = ( int ) Long . parseLong ( logicalXLogStr , 16 ) ; String segmentStr = strValue . substring ( slashIndex + 1 , strValue . length ( ) ) ; int segment = ( int ) Long . parseLong ( segmentStr , 16 ) ; ByteBuffer buf = ByteBuffer . allocate ( 8 ) ; buf . putInt ( logicalXlog ) ; buf . putInt ( segment ) ; buf . position ( 0 ) ; long value = buf . getLong ( ) ; return LogSequenceNumber . valueOf ( value ) ; }
|
Create LSN instance by string represent LSN .
| 185
| 10
|
153,785
|
public synchronized long position ( String pattern , long start ) throws SQLException { checkFreed ( ) ; throw org . postgresql . Driver . notImplemented ( this . getClass ( ) , "position(String,long)" ) ; }
|
For now this is not implemented .
| 54
| 7
|
153,786
|
static boolean castToBoolean ( final Object in ) throws PSQLException { if ( LOGGER . isLoggable ( Level . FINE ) ) { LOGGER . log ( Level . FINE , "Cast to boolean: \"{0}\"" , String . valueOf ( in ) ) ; } if ( in instanceof Boolean ) { return ( Boolean ) in ; } if ( in instanceof String ) { return fromString ( ( String ) in ) ; } if ( in instanceof Character ) { return fromCharacter ( ( Character ) in ) ; } if ( in instanceof Number ) { return fromNumber ( ( Number ) in ) ; } throw new PSQLException ( "Cannot cast to boolean" , PSQLState . CANNOT_COERCE ) ; }
|
Cast an Object value to the corresponding boolean value .
| 168
| 10
|
153,787
|
private static void checkByte ( int ch , int pos , int len ) throws IOException { if ( ( ch & 0xc0 ) != 0x80 ) { throw new IOException ( GT . tr ( "Illegal UTF-8 sequence: byte {0} of {1} byte sequence is not 10xxxxxx: {2}" , pos , len , ch ) ) ; } }
|
helper for decode
| 81
| 4
|
153,788
|
protected int getMaxIndexKeys ( ) throws SQLException { if ( indexMaxKeys == 0 ) { String sql ; sql = "SELECT setting FROM pg_catalog.pg_settings WHERE name='max_index_keys'" ; Statement stmt = connection . createStatement ( ) ; ResultSet rs = null ; try { rs = stmt . executeQuery ( sql ) ; if ( ! rs . next ( ) ) { stmt . close ( ) ; throw new PSQLException ( GT . tr ( "Unable to determine a value for MaxIndexKeys due to missing system catalog data." ) , PSQLState . UNEXPECTED_ERROR ) ; } indexMaxKeys = rs . getInt ( 1 ) ; } finally { JdbcBlackHole . close ( rs ) ; JdbcBlackHole . close ( stmt ) ; } } return indexMaxKeys ; }
|
maximum number of keys in an index .
| 190
| 8
|
153,789
|
protected String escapeQuotes ( String s ) throws SQLException { StringBuilder sb = new StringBuilder ( ) ; if ( ! connection . getStandardConformingStrings ( ) ) { sb . append ( "E" ) ; } sb . append ( "'" ) ; sb . append ( connection . escapeString ( s ) ) ; sb . append ( "'" ) ; return sb . toString ( ) ; }
|
Turn the provided value into a valid string literal for direct inclusion into a query . This includes the single quotes needed around it .
| 93
| 25
|
153,790
|
private static List < String > parseACLArray ( String aclString ) { List < String > acls = new ArrayList < String > ( ) ; if ( aclString == null || aclString . isEmpty ( ) ) { return acls ; } boolean inQuotes = false ; // start at 1 because of leading "{" int beginIndex = 1 ; char prevChar = ' ' ; for ( int i = beginIndex ; i < aclString . length ( ) ; i ++ ) { char c = aclString . charAt ( i ) ; if ( c == ' ' && prevChar != ' ' ) { inQuotes = ! inQuotes ; } else if ( c == ' ' && ! inQuotes ) { acls . add ( aclString . substring ( beginIndex , i ) ) ; beginIndex = i + 1 ; } prevChar = c ; } // add last element removing the trailing "}" acls . add ( aclString . substring ( beginIndex , aclString . length ( ) - 1 ) ) ; // Strip out enclosing quotes, if any. for ( int i = 0 ; i < acls . size ( ) ; i ++ ) { String acl = acls . get ( i ) ; if ( acl . startsWith ( "\"" ) && acl . endsWith ( "\"" ) ) { acl = acl . substring ( 1 , acl . length ( ) - 1 ) ; acls . set ( i , acl ) ; } } return acls ; }
|
Parse an String of ACLs into a List of ACLs .
| 337
| 14
|
153,791
|
public static Object instantiate ( String classname , Properties info , boolean tryString , String stringarg ) throws ClassNotFoundException , SecurityException , NoSuchMethodException , IllegalArgumentException , InstantiationException , IllegalAccessException , InvocationTargetException { Object [ ] args = { info } ; Constructor < ? > ctor = null ; Class < ? > cls = Class . forName ( classname ) ; try { ctor = cls . getConstructor ( Properties . class ) ; } catch ( NoSuchMethodException nsme ) { if ( tryString ) { try { ctor = cls . getConstructor ( String . class ) ; args = new String [ ] { stringarg } ; } catch ( NoSuchMethodException nsme2 ) { tryString = false ; } } if ( ! tryString ) { ctor = cls . getConstructor ( ( Class [ ] ) null ) ; args = null ; } } return ctor . newInstance ( args ) ; }
|
Instantiates a class using the appropriate constructor . If a constructor with a single Propertiesparameter exists it is used . Otherwise if tryString is true a constructor with a single String argument is searched if it fails or tryString is true a no argument constructor is tried .
| 211
| 54
|
153,792
|
boolean isUpdateable ( ) throws SQLException { checkClosed ( ) ; if ( resultsetconcurrency == ResultSet . CONCUR_READ_ONLY ) { throw new PSQLException ( GT . tr ( "ResultSets with concurrency CONCUR_READ_ONLY cannot be updated." ) , PSQLState . INVALID_CURSOR_STATE ) ; } if ( updateable ) { return true ; } connection . getLogger ( ) . log ( Level . FINE , "checking if rs is updateable" ) ; parseQuery ( ) ; if ( ! singleTable ) { connection . getLogger ( ) . log ( Level . FINE , "not a single table" ) ; return false ; } connection . getLogger ( ) . log ( Level . FINE , "getting primary keys" ) ; // // Contains the primary key? // primaryKeys = new ArrayList < PrimaryKey > ( ) ; // this is not strictly jdbc spec, but it will make things much faster if used // the user has to select oid, * from table and then we will just use oid usingOID = false ; int oidIndex = findColumnIndex ( "oid" ) ; // 0 if not present int i = 0 ; int numPKcolumns = 0 ; // if we find the oid then just use it // oidIndex will be >0 if the oid was in the select list if ( oidIndex > 0 ) { i ++ ; numPKcolumns ++ ; primaryKeys . add ( new PrimaryKey ( oidIndex , "oid" ) ) ; usingOID = true ; } else { // otherwise go and get the primary keys and create a list of keys String [ ] s = quotelessTableName ( tableName ) ; String quotelessTableName = s [ 0 ] ; String quotelessSchemaName = s [ 1 ] ; java . sql . ResultSet rs = connection . getMetaData ( ) . getPrimaryKeys ( "" , quotelessSchemaName , quotelessTableName ) ; while ( rs . next ( ) ) { numPKcolumns ++ ; String columnName = rs . getString ( 4 ) ; // get the columnName int index = findColumnIndex ( columnName ) ; if ( index > 0 ) { i ++ ; primaryKeys . add ( new PrimaryKey ( index , columnName ) ) ; // get the primary key information } } rs . close ( ) ; } connection . getLogger ( ) . log ( Level . FINE , "no of keys={0}" , i ) ; if ( i < 1 ) { throw new PSQLException ( GT . tr ( "No primary key found for table {0}." , tableName ) , PSQLState . DATA_ERROR ) ; } updateable = ( i == numPKcolumns ) ; connection . getLogger ( ) . log ( Level . FINE , "checking primary key {0}" , updateable ) ; return updateable ; }
|
Is this ResultSet updateable?
| 639
| 7
|
153,793
|
private double readDoubleValue ( byte [ ] bytes , int oid , String targetType ) throws PSQLException { // currently implemented binary encoded fields switch ( oid ) { case Oid . INT2 : return ByteConverter . int2 ( bytes , 0 ) ; case Oid . INT4 : return ByteConverter . int4 ( bytes , 0 ) ; case Oid . INT8 : // might not fit but there still should be no overflow checking return ByteConverter . int8 ( bytes , 0 ) ; case Oid . FLOAT4 : return ByteConverter . float4 ( bytes , 0 ) ; case Oid . FLOAT8 : return ByteConverter . float8 ( bytes , 0 ) ; } throw new PSQLException ( GT . tr ( "Cannot convert the column of type {0} to requested type {1}." , Oid . toString ( oid ) , targetType ) , PSQLState . DATA_TYPE_MISMATCH ) ; }
|
Converts any numeric binary field to double value . This method does no overflow checking .
| 219
| 17
|
153,794
|
private static String createPostgresTimeZone ( ) { String tz = TimeZone . getDefault ( ) . getID ( ) ; if ( tz . length ( ) <= 3 || ! tz . startsWith ( "GMT" ) ) { return tz ; } char sign = tz . charAt ( 3 ) ; String start ; switch ( sign ) { case ' ' : start = "GMT-" ; break ; case ' ' : start = "GMT+" ; break ; default : // unknown type return tz ; } return start + tz . substring ( 4 ) ; }
|
Convert Java time zone to postgres time zone . All others stay the same except that GMT + nn changes to GMT - nn and vise versa .
| 125
| 33
|
153,795
|
public void close ( ) throws SQLException { if ( ! closed ) { // flush any open output streams if ( os != null ) { try { // we can't call os.close() otherwise we go into an infinite loop! os . flush ( ) ; } catch ( IOException ioe ) { throw new PSQLException ( "Exception flushing output stream" , PSQLState . DATA_ERROR , ioe ) ; } finally { os = null ; } } // finally close FastpathArg [ ] args = new FastpathArg [ 1 ] ; args [ 0 ] = new FastpathArg ( fd ) ; fp . fastpath ( "lo_close" , args ) ; // true here as we dont care!! closed = true ; if ( this . commitOnClose ) { this . conn . commit ( ) ; } } }
|
This method closes the object . You must not call methods in this object after this is called .
| 180
| 19
|
153,796
|
public int read ( byte [ ] buf , int off , int len ) throws SQLException { byte [ ] b = read ( len ) ; if ( b . length < len ) { len = b . length ; } System . arraycopy ( b , 0 , buf , off , len ) ; return len ; }
|
Reads some data from the object into an existing array .
| 67
| 12
|
153,797
|
public void write ( byte [ ] buf , int off , int len ) throws SQLException { FastpathArg [ ] args = new FastpathArg [ 2 ] ; args [ 0 ] = new FastpathArg ( fd ) ; args [ 1 ] = new FastpathArg ( buf , off , len ) ; fp . fastpath ( "lowrite" , args ) ; }
|
Writes some data from an array to the object .
| 82
| 11
|
153,798
|
@ Override public String getNativeSql ( ) { if ( sql != null ) { return sql ; } sql = buildNativeSql ( null ) ; return sql ; }
|
Method to return the sql based on number of batches . Skipping the initial batch .
| 37
| 17
|
153,799
|
protected void checkIndex ( int parameterIndex , int type1 , int type2 , String getName ) throws SQLException { checkIndex ( parameterIndex ) ; if ( type1 != this . testReturn [ parameterIndex - 1 ] && type2 != this . testReturn [ parameterIndex - 1 ] ) { throw new PSQLException ( GT . tr ( "Parameter of type {0} was registered, but call to get{1} (sqltype={2}) was made." , "java.sql.Types=" + testReturn [ parameterIndex - 1 ] , getName , "java.sql.Types=" + type1 ) , PSQLState . MOST_SPECIFIC_TYPE_DOES_NOT_MATCH ) ; } }
|
helperfunction for the getXXX calls to check isFunction and index == 1 Compare BOTH type fields against the return type .
| 159
| 26
|
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