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private void open ( ) throws ModbusIOException { if ( commPort != null && ! commPort . isOpen ( ) ) { setTimeout ( timeout ) ; try { commPort . open ( ) ; } catch ( IOException e ) { throw new ModbusIOException ( String . format ( "Cannot open port %s - %s" , commPort . getDescriptivePortName ( ) , e . getMessage ( ) )...
Opens the port if it isn t already open
38,601
protected void readEcho ( int len ) throws IOException { byte echoBuf [ ] = new byte [ len ] ; int echoLen = commPort . readBytes ( echoBuf , len ) ; if ( logger . isDebugEnabled ( ) ) { logger . debug ( "Echo: {}" , ModbusUtil . toHex ( echoBuf , 0 , echoLen ) ) ; } if ( echoLen != len ) { logger . debug ( "Error: Tra...
Reads the own message echo produced in RS485 Echo Mode within the given time frame .
38,602
protected int readByte ( ) throws IOException { if ( commPort != null && commPort . isOpen ( ) ) { byte [ ] buffer = new byte [ 1 ] ; int cnt = commPort . readBytes ( buffer , 1 ) ; if ( cnt != 1 ) { throw new IOException ( "Cannot read from serial port" ) ; } else { return buffer [ 0 ] & 0xff ; } } else { throw new IO...
Reads a byte from the comms port
38,603
void readBytes ( byte [ ] buffer , long bytesToRead ) throws IOException { if ( commPort != null && commPort . isOpen ( ) ) { int cnt = commPort . readBytes ( buffer , bytesToRead ) ; if ( cnt != bytesToRead ) { throw new IOException ( "Cannot read from serial port - truncated" ) ; } } else { throw new IOException ( "C...
Reads the specified number of bytes from the input stream
38,604
final int writeBytes ( byte [ ] buffer , long bytesToWrite ) throws IOException { if ( commPort != null && commPort . isOpen ( ) ) { return commPort . writeBytes ( buffer , bytesToWrite ) ; } else { throw new IOException ( "Comm port is not valid or not open" ) ; } }
Writes the bytes to the output stream
38,605
int readAsciiByte ( ) throws IOException { if ( commPort != null && commPort . isOpen ( ) ) { byte [ ] buffer = new byte [ 1 ] ; int cnt = commPort . readBytes ( buffer , 1 ) ; if ( cnt != 1 ) { throw new IOException ( "Cannot read from serial port" ) ; } else if ( buffer [ 0 ] == ':' ) { return ModbusASCIITransport . ...
Reads an ascii byte from the input stream It handles the special start and end frame markers
38,606
int writeAsciiBytes ( byte [ ] buffer , long bytesToWrite ) throws IOException { if ( commPort != null && commPort . isOpen ( ) ) { int cnt = 0 ; for ( int i = 0 ; i < bytesToWrite ; i ++ ) { if ( writeAsciiByte ( buffer [ i ] ) != 2 ) { return cnt ; } cnt ++ ; } return cnt ; } else { throw new IOException ( "Comm port...
Writes an array of bytes out as a stream of ascii characters
38,607
void clearInput ( ) throws IOException { if ( commPort . bytesAvailable ( ) > 0 ) { int len = commPort . bytesAvailable ( ) ; byte buf [ ] = new byte [ len ] ; readBytes ( buf , len ) ; if ( logger . isDebugEnabled ( ) ) { logger . debug ( "Clear input: {}" , ModbusUtil . toHex ( buf , 0 , len ) ) ; } } }
clearInput - Clear the input if characters are found in the input stream .
38,608
void waitBetweenFrames ( int transDelayMS , long lastTransactionTimestamp ) { if ( transDelayMS > 0 ) { ModbusUtil . sleep ( transDelayMS ) ; } else { int delay = getInterFrameDelay ( ) / 1000 ; long gapSinceLastMessage = ( System . nanoTime ( ) - lastTransactionTimestamp ) / NS_IN_A_MS ; if ( delay > gapSinceLastMessa...
Injects a delay dependent on the last time we received a response or if a fixed delay has been specified
38,609
long getCharIntervalMicro ( double chars ) { return ( long ) chars * NS_IN_A_MS * ( 1 + commPort . getNumDataBits ( ) + commPort . getNumStopBits ( ) + ( commPort . getParity ( ) == AbstractSerialConnection . NO_PARITY ? 0 : 1 ) ) / commPort . getBaudRate ( ) ; }
Calculates an interval based on a set number of characters . Used for message timings .
38,610
boolean spinUntilBytesAvailable ( long waitTimeMicroSec ) { long start = System . nanoTime ( ) ; while ( availableBytes ( ) < 1 ) { long delta = System . nanoTime ( ) - start ; if ( delta > waitTimeMicroSec * 1000 ) { return false ; } } return true ; }
Spins until the timeout or the condition is met . This method will repeatedly poll the available bytes so it should not have any side effects .
38,611
public void open ( ) throws ModbusException { if ( ! isRunning ) { try { listenerThread = new Thread ( listener ) ; listenerThread . start ( ) ; isRunning = true ; } catch ( Exception x ) { closeListener ( ) ; throw new ModbusException ( x . getMessage ( ) ) ; } } }
Opens the listener to service requests
38,612
@ SuppressWarnings ( "deprecation" ) void closeListener ( ) { if ( listener != null && listener . isListening ( ) ) { listener . stop ( ) ; int count = 0 ; while ( listenerThread != null && listenerThread . isAlive ( ) && count < 50 ) { ModbusUtil . sleep ( 100 ) ; count ++ ; } if ( listenerThread != null && listenerTh...
Closes the listener of this slave
38,613
void handleRequest ( AbstractModbusTransport transport , AbstractModbusListener listener ) throws ModbusIOException { if ( transport == null ) { throw new ModbusIOException ( "No transport specified" ) ; } ModbusRequest request = transport . readRequest ( listener ) ; if ( request == null ) { throw new ModbusIOExceptio...
Reads the request checks it is valid and that the unit ID is ok and sends back a response
38,614
public ProcessImage getProcessImage ( int unitId ) { ModbusSlave slave = ModbusSlaveFactory . getSlave ( this ) ; if ( slave != null ) { return slave . getProcessImage ( unitId ) ; } return null ; }
Returns the related process image for this listener and Unit Id
38,615
private static byte calculateLRC ( byte [ ] data , int off , int length , int tailskip ) { int lrc = 0 ; for ( int i = off ; i < length - tailskip ; i ++ ) { lrc += ( ( int ) data [ i ] ) & 0xFF ; } return ( byte ) ( ( - lrc ) & 0xff ) ; }
Calculates a LRC checksum
38,616
public BitVector readCoils ( int unitId , int ref , int count ) throws ModbusException { checkTransaction ( ) ; if ( readCoilsRequest == null ) { readCoilsRequest = new ReadCoilsRequest ( ) ; } readCoilsRequest . setUnitID ( unitId ) ; readCoilsRequest . setReference ( ref ) ; readCoilsRequest . setBitCount ( count ) ;...
Reads a given number of coil states from the slave .
38,617
public boolean writeCoil ( int unitId , int ref , boolean state ) throws ModbusException { checkTransaction ( ) ; if ( writeCoilRequest == null ) { writeCoilRequest = new WriteCoilRequest ( ) ; } writeCoilRequest . setUnitID ( unitId ) ; writeCoilRequest . setReference ( ref ) ; writeCoilRequest . setCoil ( state ) ; t...
Writes a coil state to the slave .
38,618
public void writeMultipleCoils ( int unitId , int ref , BitVector coils ) throws ModbusException { checkTransaction ( ) ; if ( writeMultipleCoilsRequest == null ) { writeMultipleCoilsRequest = new WriteMultipleCoilsRequest ( ) ; } writeMultipleCoilsRequest . setUnitID ( unitId ) ; writeMultipleCoilsRequest . setReferen...
Writes a given number of coil states to the slave .
38,619
public BitVector readInputDiscretes ( int unitId , int ref , int count ) throws ModbusException { checkTransaction ( ) ; if ( readInputDiscretesRequest == null ) { readInputDiscretesRequest = new ReadInputDiscretesRequest ( ) ; } readInputDiscretesRequest . setUnitID ( unitId ) ; readInputDiscretesRequest . setReferenc...
Reads a given number of input discrete states from the slave .
38,620
public InputRegister [ ] readInputRegisters ( int unitId , int ref , int count ) throws ModbusException { checkTransaction ( ) ; if ( readInputRegistersRequest == null ) { readInputRegistersRequest = new ReadInputRegistersRequest ( ) ; } readInputRegistersRequest . setUnitID ( unitId ) ; readInputRegistersRequest . set...
Reads a given number of input registers from the slave .
38,621
public Register [ ] readMultipleRegisters ( int unitId , int ref , int count ) throws ModbusException { checkTransaction ( ) ; if ( readMultipleRegistersRequest == null ) { readMultipleRegistersRequest = new ReadMultipleRegistersRequest ( ) ; } readMultipleRegistersRequest . setUnitID ( unitId ) ; readMultipleRegisters...
Reads a given number of registers from the slave .
38,622
public int writeSingleRegister ( int unitId , int ref , Register register ) throws ModbusException { checkTransaction ( ) ; if ( writeSingleRegisterRequest == null ) { writeSingleRegisterRequest = new WriteSingleRegisterRequest ( ) ; } writeSingleRegisterRequest . setUnitID ( unitId ) ; writeSingleRegisterRequest . set...
Writes a single register to the slave .
38,623
public int writeMultipleRegisters ( int unitId , int ref , Register [ ] registers ) throws ModbusException { checkTransaction ( ) ; if ( writeMultipleRegistersRequest == null ) { writeMultipleRegistersRequest = new WriteMultipleRegistersRequest ( ) ; } writeMultipleRegistersRequest . setUnitID ( unitId ) ; writeMultipl...
Writes a number of registers to the slave .
38,624
private ModbusResponse getAndCheckResponse ( ) throws ModbusException { ModbusResponse res = transaction . getResponse ( ) ; if ( res == null ) { throw new ModbusException ( "No response" ) ; } return res ; }
Reads the response from the transaction If there is no response then it throws an error
38,625
public static AbstractSerialConnection getCommPort ( String commPort ) { SerialConnection jSerialCommPort = new SerialConnection ( ) ; jSerialCommPort . serialPort = SerialPort . getCommPort ( commPort ) ; return jSerialCommPort ; }
Returns a JSerialComm implementation for the given comms port
38,626
public void attachNettyPromise ( Promise < T > promise ) { promise . addListener ( promiseHandler ) ; Promise < T > oldPromise = this . promise ; this . promise = promise ; if ( oldPromise != null ) { oldPromise . removeListener ( promiseHandler ) ; oldPromise . cancel ( true ) ; } }
Attach Netty Promise
38,627
public void addListener ( IsSimplePromiseResponseHandler < T > listener ) { if ( handlers == null ) { handlers = new LinkedList < > ( ) ; } handlers . add ( listener ) ; if ( response != null || exception != null ) { listener . onResponse ( this ) ; } }
Add a promise to do when Response comes in
38,628
protected void handlePromise ( Promise < T > promise ) { if ( ! promise . isSuccess ( ) ) { this . setException ( promise . cause ( ) ) ; } else { this . response = promise . getNow ( ) ; if ( handlers != null ) { for ( IsSimplePromiseResponseHandler < T > h : handlers ) { h . onResponse ( this ) ; } } } }
Handle the promise
38,629
protected void waitForPromiseSuccess ( ) throws IOException , TimeoutException { while ( ! promise . isDone ( ) && ! promise . isCancelled ( ) ) { Promise < T > listeningPromise = this . promise ; listeningPromise . awaitUninterruptibly ( ) ; if ( listeningPromise == this . promise ) { this . handlePromise ( promise ) ...
Wait for promise to be done
38,630
public void handleRetry ( Throwable cause ) { try { this . retryPolicy . retry ( connectionState , retryHandler , connectionFailHandler ) ; } catch ( RetryPolicy . RetryCancelled retryCancelled ) { this . getNettyPromise ( ) . setFailure ( cause ) ; } }
Handles a retry
38,631
public EtcdSelfStatsResponse getSelfStats ( ) { try { return new EtcdSelfStatsRequest ( this . client , retryHandler ) . send ( ) . get ( ) ; } catch ( IOException | EtcdException | EtcdAuthenticationException | TimeoutException e ) { return null ; } }
Get the Self Statistics of Etcd
38,632
public EtcdLeaderStatsResponse getLeaderStats ( ) { try { return new EtcdLeaderStatsRequest ( this . client , retryHandler ) . send ( ) . get ( ) ; } catch ( IOException | EtcdException | EtcdAuthenticationException | TimeoutException e ) { return null ; } }
Get the Leader Statistics of Etcd
38,633
public EtcdStoreStatsResponse getStoreStats ( ) { try { return new EtcdStoreStatsRequest ( this . client , retryHandler ) . send ( ) . get ( ) ; } catch ( IOException | EtcdException | EtcdAuthenticationException | TimeoutException e ) { return null ; } }
Get the Store Statistics of Etcd
38,634
public EtcdKeyPutRequest put ( String key , String value ) { return new EtcdKeyPutRequest ( client , key , retryHandler ) . value ( value ) ; }
Put a key with a value
38,635
public EtcdKeyPostRequest post ( String key , String value ) { return new EtcdKeyPostRequest ( client , key , retryHandler ) . value ( value ) ; }
Post a value to a key for in - order keys .
38,636
public static SslContext forKeystore ( String keystorePath , String keystorePassword ) throws SecurityContextException { return forKeystore ( keystorePath , keystorePassword , "SunX509" ) ; }
Builds SslContext using a protected keystore file . Adequate for non - mutual TLS connections .
38,637
public static SslContext forKeystoreAndTruststore ( InputStream keystore , String keystorePassword , InputStream truststore , String truststorePassword , String keyManagerAlgorithm ) throws SecurityContextException { try { final KeyStore ks = KeyStore . getInstance ( KEYSTORE_JKS ) ; final KeyStore ts = KeyStore . getI...
Builds SslContext using protected keystore and truststores overriding default key manger algorithm . Adequate for mutual TLS connections .
38,638
public < R > EtcdResponsePromise < R > send ( final EtcdRequest < R > etcdRequest ) throws IOException { ConnectionState connectionState = new ConnectionState ( uris , lastWorkingUriIndex ) ; if ( etcdRequest . getPromise ( ) == null ) { etcdRequest . setPromise ( new EtcdResponsePromise < R > ( etcdRequest . getRetryP...
Send a request and get a future .
38,639
private < R > void modifyPipeLine ( final EtcdRequest < R > req , final ChannelPipeline pipeline ) { final EtcdResponseHandler < R > handler = new EtcdResponseHandler < > ( this , req ) ; if ( req . hasTimeout ( ) ) { pipeline . addFirst ( new ReadTimeoutHandler ( req . getTimeout ( ) , req . getTimeoutUnit ( ) ) ) ; }...
Modify the pipeline for the request
38,640
private < R > ChannelFuture createAndSendHttpRequest ( URI server , String uri , EtcdRequest < R > etcdRequest , Channel channel ) throws Exception { HttpRequest httpRequest = new DefaultHttpRequest ( HttpVersion . HTTP_1_1 , etcdRequest . getMethod ( ) , uri ) ; httpRequest . headers ( ) . add ( HttpHeaderNames . CONN...
Get HttpRequest belonging to etcdRequest
38,641
public EtcdKeyPutRequest refresh ( Integer ttl ) { this . requestParams . put ( "refresh" , "true" ) ; this . prevExist ( true ) ; return ttl ( ttl ) ; }
Set Time to live on a refresh request . Requires previous value to exist
38,642
public final void retry ( final ConnectionState state , final RetryHandler retryHandler , final ConnectionFailHandler failHandler ) throws RetryCancelled { if ( state . retryCount == 0 ) { state . msBeforeRetry = this . startRetryTime ; } state . retryCount ++ ; state . uriIndex = state . retryCount % state . uris . le...
Does the retry . Will always try all URIs before throwing an exception .
38,643
public EtcdNettyConfig setEventLoopGroup ( EventLoopGroup eventLoopGroup , boolean managed ) { if ( this . eventLoopGroup != null && this . managedEventLoopGroup ) { this . eventLoopGroup . shutdownGracefully ( ) ; } this . eventLoopGroup = eventLoopGroup ; this . managedEventLoopGroup = managed ; return this ; }
Set a custom event loop group . For use within existing netty architectures
38,644
public static URI [ ] fromDNSName ( String srvName ) throws NamingException { List < URI > uris = new ArrayList < > ( ) ; Hashtable < String , String > env = new Hashtable < > ( ) ; env . put ( "java.naming.factory.initial" , "com.sun.jndi.dns.DnsContextFactory" ) ; env . put ( "java.naming.provider.url" , "dns:" ) ; D...
Convert given DNS SRV address to array of URIs
38,645
public void setSlf4jLogname ( String logName ) { if ( logName . length ( ) == 0 ) { m_log = null ; } else { m_log = LoggerFactory . getLogger ( logName ) ; } }
Set the name of the logger that this logger should log to . If you set it to an empty string will shut up completely .
38,646
public void log ( StopWatch sw ) { if ( m_log != null && m_log . isInfoEnabled ( ) ) { m_log . info ( sw . toString ( ) ) ; } }
Logs using the INFO priority .
38,647
public void log ( StopWatch sw ) { if ( ! m_queue . offer ( sw . freeze ( ) ) ) m_rejectedStopWatches . getAndIncrement ( ) ; if ( m_collectorThread == null ) { synchronized ( this ) { if ( m_collectorThread == null ) { m_collectorThread = new CollectorThread ( ) ; m_collectorThread . setName ( "Speed4J PeriodicalLog C...
This method also starts the collector thread lazily .
38,648
private void rebuildJmx ( ) { m_mbeanServer = ManagementFactory . getPlatformMBeanServer ( ) ; try { buildMBeanInfo ( ) ; ObjectName newName = getJMXName ( ) ; if ( m_mbeanServer . isRegistered ( newName ) ) { log . debug ( "Removing already registered bean {}" , newName ) ; m_mbeanServer . unregisterMBean ( newName ) ...
Rebuild the JMX bean .
38,649
private boolean emptyQueue ( long finalMoment ) { StopWatch sw ; try { while ( null != ( sw = m_queue . poll ( 100 , TimeUnit . MILLISECONDS ) ) ) { if ( sw . getTag ( ) == null ) continue ; if ( sw . getCreationTime ( ) > finalMoment ) { m_queue . addFirst ( sw ) ; return true ; } CollectedStatistics cs = m_stats . ge...
Empties the StopWatch queue and builds the statistics on the go . This is run in the Collector Thread context . Leaves the queue when the items in it start later than what we need .
38,650
private static void configure ( ) { String propertyFile = System . getProperty ( SYSTEM_PROPERTY , PROPERTYFILENAME ) ; InputStream in = findConfigFile ( propertyFile , "/com/ecyrd/speed4j/default_speed4j.properties" ) ; configure ( in ) ; }
Does the default configuration by trying to locate the default config file as defined in the System properties .
38,651
@ SuppressWarnings ( "unchecked" ) private static synchronized void configure ( InputStream in ) throws ConfigurationException { if ( c_factories == null ) c_factories = new HashMap < String , StopWatchFactory > ( ) ; try { c_config . load ( in ) ; } catch ( IOException e2 ) { throw new ConfigurationException ( e2 ) ; ...
Load configuration file try to parse it and do something useful .
38,652
public StopWatch getStopWatch ( String tag , String message ) { return new LoggingStopWatch ( m_log , tag , message ) ; }
Returns a StopWatch for the given tag and given message .
38,653
public static synchronized void shutdown ( ) { if ( c_factories == null ) return ; for ( Iterator < Entry < String , StopWatchFactory > > i = c_factories . entrySet ( ) . iterator ( ) ; i . hasNext ( ) ; ) { Map . Entry < String , StopWatchFactory > e = i . next ( ) ; StopWatchFactory swf = e . getValue ( ) ; swf . int...
Shut down all StopWatchFactories . This method is useful to call to clean up any resources which might be usable .
38,654
public static StopWatchFactory getInstance ( String loggerName ) throws ConfigurationException { StopWatchFactory swf = getFactories ( ) . get ( loggerName ) ; if ( swf == null ) throw new ConfigurationException ( "No logger by the name " + loggerName + " found." ) ; return swf ; }
Returns a StopWatchFactory that has been configured previously . May return null if the factory has not been configured .
38,655
public StopWatch stop ( String tag , String message ) { m_tag = tag ; m_message = message ; stop ( ) ; return this ; }
Stops the StopWatch assigns the tag and a free - form message .
38,656
private String getReadableTime ( ) { long ns = getTimeNanos ( ) ; if ( ns < 50L * 1000 ) return ns + " ns" ; if ( ns < 50L * 1000 * 1000 ) return ( ns / 1000 ) + " us" ; if ( ns < 50L * 1000 * 1000 * 1000 ) return ( ns / ( 1000 * 1000 ) ) + " ms" ; return ns / NANOS_IN_SECOND + " s" ; }
Returns a the time in something that is human - readable .
38,657
public synchronized void add ( StopWatch sw ) { double timeInMs = sw . getTimeMicros ( ) / MICROS_IN_MILLIS ; for ( int i = 0 ; i < sw . getCount ( ) ; i ++ ) m_times . add ( timeInMs / sw . getCount ( ) ) ; if ( timeInMs < m_min ) m_min = timeInMs ; if ( timeInMs > m_max ) m_max = timeInMs ; }
Add a StopWatch to the statistics .
38,658
public PostBuilder withCategories ( Term ... terms ) { return withCategories ( Arrays . stream ( terms ) . map ( Term :: getId ) . collect ( toList ( ) ) ) ; }
Add existing Category term items when building a post .
38,659
public PostBuilder withTags ( Term ... tags ) { return withTags ( Arrays . stream ( tags ) . map ( Term :: getId ) . collect ( toList ( ) ) ) ; }
Add existing Tag term items when building a post .
38,660
public static E164PhoneNumberWithExtension ofPhoneNumberStringAndExtension ( String phoneNumber , String extension , CountryCode defaultCountryCode ) { return new E164PhoneNumberWithExtension ( phoneNumber , extension , defaultCountryCode ) ; }
Creates a new E164 Phone Number with the given extension .
38,661
@ SuppressWarnings ( "unchecked" ) public static final < C > FieldModel < C > get ( Field f , FieldAccess < C > fieldAccess ) { String fieldModelKey = ( fieldAccess . getClass ( ) . getSimpleName ( ) + ":" + f . getClass ( ) . getName ( ) + "#" + f . getName ( ) ) ; FieldModel < C > fieldModel = ( FieldModel < C > ) fi...
Returns a field model for the given Field and FieldAccess instance . If a FieldModel already exists it will be reused .
38,662
public boolean isImmutable ( Class < ? > clazz ) { if ( clazz . isPrimitive ( ) || clazz . isEnum ( ) ) { return false ; } if ( clazz . isArray ( ) ) { return false ; } final IsImmutable isImmutable ; if ( DETECTED_IMMUTABLE_CLASSES . containsKey ( clazz ) ) { isImmutable = DETECTED_IMMUTABLE_CLASSES . get ( clazz ) ; ...
Return true if immutable or effectively immutable
38,663
public static < E > Iterable < E > wrapEnumeration ( Enumeration < E > enumeration ) { return new IterableEnumeration < E > ( enumeration ) ; }
Typesafe factory method for construction convenience
38,664
public static BindingConfiguration load ( URL location ) throws IllegalStateException { Document doc ; try { doc = loadDocument ( location ) ; } catch ( IOException e ) { throw new IllegalStateException ( "Cannot load " + location . toExternalForm ( ) , e ) ; } catch ( ParserConfigurationException e ) { throw new Illeg...
Given a configuration URL produce the corresponding configuration
38,665
private static Document loadDocument ( URL location ) throws IOException , ParserConfigurationException , SAXException { InputStream inputStream = null ; if ( location != null ) { URLConnection urlConnection = location . openConnection ( ) ; urlConnection . setUseCaches ( false ) ; inputStream = urlConnection . getInpu...
Helper method to load a DOM Document from the given configuration URL
38,666
private static DocumentBuilder constructDocumentBuilder ( List < SAXParseException > errors ) throws ParserConfigurationException { DocumentBuilderFactory documentBuilderFactory = constructDocumentBuilderFactory ( ) ; DocumentBuilder docBuilder = documentBuilderFactory . newDocumentBuilder ( ) ; docBuilder . setEntityR...
Helper used to construct a document builder
38,667
private static Provider parseProviderElement ( Element element ) { Class < ? > providerClass = lookupClass ( element . getAttribute ( "class" ) ) ; if ( providerClass == null ) { throw new IllegalStateException ( "Referenced class {" + element . getAttribute ( "class" ) + "} could not be found" ) ; } if ( ! ConverterPr...
Parse the provider element and its children
38,668
private static < T > Extension < T > parseBinderExtensionElement ( Element element ) { @ SuppressWarnings ( "unchecked" ) Class < T > providerClass = ( Class < T > ) lookupClass ( element . getAttribute ( "class" ) ) ; Class < ? > implementationClass = lookupClass ( element . getAttribute ( "implementationClass" ) ) ; ...
Parse the extension element
38,669
private static Class < ? > lookupClass ( String elementName ) { Class < ? > clazz = null ; try { clazz = ClassLoaderUtils . getClassLoader ( ) . loadClass ( elementName ) ; } catch ( ClassNotFoundException e ) { return null ; } return clazz ; }
Helper method that given a class - name will create the appropriate Class instance
38,670
private < T > Class < ? extends Annotation > matchAnnotationToScope ( Annotation [ ] annotations ) { for ( Annotation next : annotations ) { Class < ? extends Annotation > nextType = next . annotationType ( ) ; if ( nextType . getAnnotation ( BindingScope . class ) != null ) { return nextType ; } } return DefaultBindin...
Helper method for matching and returning a scope annotation
38,671
protected String constructMessage ( String message , Throwable cause ) { if ( cause != null ) { StringBuilder strBuilder = new StringBuilder ( ) ; if ( message != null ) { strBuilder . append ( message ) . append ( ": " ) ; } strBuilder . append ( "Wrapped exception is {" ) . append ( cause ) ; strBuilder . append ( "}...
Constructs an exception String with the given message and incorporating the causing exception
38,672
public Throwable getRootCause ( ) { Throwable rootCause = null ; Throwable nextCause = getCause ( ) ; while ( nextCause != null && ! nextCause . equals ( rootCause ) ) { rootCause = nextCause ; nextCause = nextCause . getCause ( ) ; } return rootCause ; }
Retrieves the ultimate root cause for this exception or null
38,673
public < E extends Exception > E findWrapped ( Class < E > exceptionType ) { if ( exceptionType == null ) { return null ; } Throwable cause = getCause ( ) ; while ( true ) { if ( cause == null ) { return null ; } if ( exceptionType . isInstance ( cause ) ) { @ SuppressWarnings ( "unchecked" ) E matchedCause = ( E ) cau...
Returns the next parent exception of the given type or null
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public void beforeNullSafeOperation ( SharedSessionContractImplementor session ) { ConfigurationHelper . setCurrentSessionFactory ( session . getFactory ( ) ) ; if ( this instanceof IntegratorConfiguredType ) { ( ( IntegratorConfiguredType ) this ) . applyConfiguration ( session . getFactory ( ) ) ; } }
Included to allow session state to be applied to the user type
38,675
private void initJdkBindings ( ) { registerBinding ( AtomicBoolean . class , String . class , new AtomicBooleanStringBinding ( ) ) ; registerBinding ( AtomicInteger . class , String . class , new AtomicIntegerStringBinding ( ) ) ; registerBinding ( AtomicLong . class , String . class , new AtomicLongStringBinding ( ) )...
Initialises standard bindings for Java built in types
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protected < X > void registerConfigurations ( Enumeration < URL > bindingsConfiguration ) { List < BindingConfiguration > configs = new ArrayList < BindingConfiguration > ( ) ; for ( URL nextLocation : IterableEnumeration . wrapEnumeration ( bindingsConfiguration ) ) { URL builtIn = getBuiltInBindingsURL ( ) ; if ( ! b...
Registers a set of configurations for the given list of URLs . This is typically used to process all the various bindings . xml files discovered in jars on the classpath . It is given protected scope to allow subclasses to register additional configurations
38,677
protected void registerBindingConfigurationEntries ( Iterable < BindingConfigurationEntry > bindings ) { for ( BindingConfigurationEntry nextBinding : bindings ) { try { registerBindingConfigurationEntry ( nextBinding ) ; } catch ( IllegalStateException e ) { } } }
Registers a list of binding configuration entries . A binding configuration entry described in a section of a bindings . xml file and describes the use of a particular method for databinding .
38,678
public void registerAnnotatedClasses ( Class < ? > ... classesToInspect ) { for ( Class < ? > nextClass : classesToInspect ) { Class < ? > loopClass = nextClass ; while ( ( loopClass != Object . class ) && ( ! inspectedClasses . contains ( loopClass ) ) ) { attachForAnnotations ( loopClass ) ; loopClass = loopClass . g...
Inspect each of the supplied classes processing any of the annotated methods found
38,679
protected < I , T extends I > void registerExtendedBinder ( Class < I > iface , T provider ) { extendedBinders . put ( iface , provider ) ; }
Register a custom typesafe binder implementation which can be retrieved later
38,680
@ SuppressWarnings ( "unchecked" ) protected < I > I getExtendedBinder ( Class < I > cls ) { return ( I ) extendedBinders . get ( cls ) ; }
Retrieves an extended binder
38,681
public static boolean isJdkImmutable ( Class < ? > type ) { if ( Class . class == type ) { return true ; } if ( String . class == type ) { return true ; } if ( BigInteger . class == type ) { return true ; } if ( BigDecimal . class == type ) { return true ; } if ( URL . class == type ) { return true ; } if ( UUID . clas...
Indicate if the class is a known non - primitive JDK immutable type
38,682
public static boolean isWrapper ( Class < ? > type ) { if ( Boolean . class == type ) { return true ; } if ( Byte . class == type ) { return true ; } if ( Character . class == type ) { return true ; } if ( Short . class == type ) { return true ; } if ( Integer . class == type ) { return true ; } if ( Long . class == ty...
Indicate if the class is a known primitive wrapper type
38,683
public static Field [ ] collectInstanceFields ( Class < ? > c , Class < ? > limitExclusive ) { return collectFields ( c , 0 , Modifier . STATIC , limitExclusive ) ; }
Produces an array with all the instance fields of the specified class
38,684
protected final Class < T > getEntityClass ( ) { @ SuppressWarnings ( "unchecked" ) final Class < T > result = ( Class < T > ) TypeHelper . getTypeArguments ( JpaSearchRepository . class , this . getClass ( ) ) . get ( 0 ) ; return result ; }
Returns the class for the entity type associated with this repository .
38,685
protected final Class < ID > getIdClass ( ) { @ SuppressWarnings ( "unchecked" ) final Class < ID > result = ( Class < ID > ) TypeHelper . getTypeArguments ( JpaSearchRepository . class , this . getClass ( ) ) . get ( 1 ) ; return result ; }
Returns the class for the ID field for the entity type associated with this repository .
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protected T getSingleResult ( Query q ) { try { @ SuppressWarnings ( "unchecked" ) T retVal = ( T ) q . getSingleResult ( ) ; return retVal ; } catch ( NoResultException e ) { return null ; } }
Executes a query that returns a single record . In the case of no result rather than throwing an exception null is returned .
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public static Class < ? > classForName ( String name ) throws ClassNotFoundException { ClassLoader cl = getClassLoader ( ) ; try { if ( cl != null ) { return cl . loadClass ( name ) ; } } catch ( ClassNotFoundException e ) { } return Class . forName ( name ) ; }
Attempts to instantiate the named class using the context ClassLoader for the current thread or Class . forName if this does not work
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public static Class < ? > classForName ( String name , ClassLoader ... classLoaders ) throws ClassNotFoundException { ClassLoader [ ] cls = getClassLoaders ( classLoaders ) ; for ( ClassLoader cl : cls ) { try { if ( cl != null ) { return cl . loadClass ( name ) ; } } catch ( ClassNotFoundException e ) { } } return Cla...
Attempts to instantiate the named class using each of the specified ClassLoaders in turn or Class . forName if these do not work
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protected < T > T performCloneForCloneableMethod ( T object , CloneDriver context ) { Class < ? > clazz = object . getClass ( ) ; final T result ; try { MethodHandle handle = context . getCloneMethod ( clazz ) ; result = ( T ) handle . invoke ( object ) ; } catch ( Throwable e ) { throw new IllegalStateException ( "Cou...
Helper method for performing cloning for objects of classes implementing java . lang . Cloneable
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protected < T > void handleCloneField ( T obj , T copy , CloneDriver driver , FieldModel < T > f , IdentityHashMap < Object , Object > referencesToReuse , long stackDepth ) { final Class < ? > clazz = f . getFieldClass ( ) ; if ( clazz . isPrimitive ( ) ) { handleClonePrimitiveField ( obj , copy , driver , f , referenc...
Clone a Field
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@ SuppressWarnings ( "unchecked" ) public static final < C > ClassModel < C > get ( ClassAccess < C > classAccess ) { Class < ? > clazz = classAccess . getType ( ) ; String classModelKey = ( classAccess . getClass ( ) . getName ( ) + ":" + clazz . getName ( ) ) ; ClassModel < C > classModel = ( ClassModel < C > ) class...
Returns a class model for the given ClassAccess instance . If a ClassModel already exists it will be reused .
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private void initializeBuiltInImplementors ( ) { builtInImplementors . put ( ArrayList . class , new ArrayListImplementor ( ) ) ; builtInImplementors . put ( ConcurrentHashMap . class , new ConcurrentHashMapImplementor ( ) ) ; builtInImplementors . put ( GregorianCalendar . class , new GregorianCalendarImplementor ( ) ...
Initialise a set of built in CloneImplementors for commonly used JDK types
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public void setImplementors ( Map < Class < ? > , CloneImplementor > implementors ) { this . allImplementors = new HashMap < Class < ? > , CloneImplementor > ( ) ; allImplementors . putAll ( builtInImplementors ) ; allImplementors . putAll ( implementors ) ; }
Sets CloneImplementors to be used .
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public static String removeWhitespace ( String string ) { if ( string == null || string . length ( ) == 0 ) { return string ; } else { int codePoints = string . codePointCount ( 0 , string . length ( ) ) ; StringBuilder sb = new StringBuilder ( ) ; for ( int i = 0 ; i < codePoints ; i ++ ) { int offset = string . offse...
Removes any whitespace from a String correctly handling surrogate characters
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public static final AccessClassLoader get ( Class < ? > typeToBeExtended ) { ClassLoader loader = typeToBeExtended . getClassLoader ( ) ; return get ( loader == null ? ClassLoader . getSystemClassLoader ( ) : loader ) ; }
Creates a new instance using a suitable ClassLoader for the specified class
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public synchronized static final AccessClassLoader get ( ClassLoader parent ) { AccessClassLoader loader = ( AccessClassLoader ) ASM_CLASS_LOADERS . get ( parent ) ; if ( loader == null ) { loader = new AccessClassLoader ( parent ) ; ASM_CLASS_LOADERS . put ( parent , loader ) ; } return loader ; }
Creates an AccessClassLoader for the given parent
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public void registerClass ( String name , byte [ ] bytes ) { if ( registeredClasses . containsKey ( name ) ) { throw new IllegalStateException ( "Attempted to register a class that has been registered already: " + name ) ; } registeredClasses . put ( name , bytes ) ; }
Registers a class by its name
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public boolean isPatterned ( ) { final boolean result ; if ( pattern . indexOf ( '*' ) != - 1 || pattern . indexOf ( '?' ) != - 1 ) { result = true ; } else { result = false ; } return result ; }
Returns true if the given path resolves a pattern as opposed to a literal path
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public static < C > InvokeDynamicClassAccess < C > get ( Class < C > clazz ) { @ SuppressWarnings ( "unchecked" ) InvokeDynamicClassAccess < C > access = ( InvokeDynamicClassAccess < C > ) CLASS_ACCESSES . get ( clazz ) ; if ( access != null ) { return access ; } Class < ? > enclosingType = clazz . getEnclosingClass ( ...
Get a new instance that can access the given Class . If the ClassAccess for this class has not been obtained before then the specific InvokeDynamicClassAccess is created by generating a specialised subclass of this class and returning it .