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| /* | |
| * $Id: DefaultInputHandler.php 3076 2006-12-18 08:52:12Z fabien $ | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| * | |
| * This software consists of voluntary contributions made by many individuals | |
| * and is licensed under the LGPL. For more information please see | |
| * <http://phing.info>. | |
| */ | |
| require_once 'phing/input/InputHandler.php'; | |
| include_once 'phing/system/io/ConsoleReader.php'; | |
| /** | |
| * Prompts using print(); reads input from Console. | |
| * | |
| * @author Hans Lellelid <hans@xmpl.org> (Phing) | |
| * @author Stefan Bodewig <stefan.bodewig@epost.de> (Ant) | |
| * @version $Revision: 1.6 $ | |
| * @package phing.input | |
| */ | |
| class DefaultInputHandler implements InputHandler { | |
| /** | |
| * Prompts and requests input. May loop until a valid input has | |
| * been entered. | |
| * @throws BuildException | |
| */ | |
| public function handleInput(InputRequest $request) { | |
| $prompt = $this->getPrompt($request); | |
| $in = new ConsoleReader(); | |
| do { | |
| print $prompt; | |
| try { | |
| $input = $in->readLine(); | |
| if ($input === "" && ($request->getDefaultValue() !== null) ) { | |
| $input = $request->getDefaultValue(); | |
| } | |
| $request->setInput($input); | |
| } catch (Exception $e) { | |
| throw new BuildException("Failed to read input from Console.", $e); | |
| } | |
| } while (!$request->isInputValid()); | |
| } | |
| /** | |
| * Constructs user prompt from a request. | |
| * | |
| * <p>This implementation adds (choice1,choice2,choice3,...) to the | |
| * prompt for <code>MultipleChoiceInputRequest</code>s.</p> | |
| * | |
| * @param $request the request to construct the prompt for. | |
| * Must not be <code>null</code>. | |
| */ | |
| protected function getPrompt(InputRequest $request) { | |
| $prompt = $request->getPrompt(); | |
| // use is_a() to avoid needing the class to be loaded | |
| if (is_a($request, 'YesNoInputRequest')) { // (yes/no) | |
| $prompt .= '(' . implode('/', $request->getChoices()) .')'; | |
| } elseif (is_a($request, 'MultipleChoiceInputRequest')) { // (a,b,c,d) | |
| $prompt .= '(' . implode(',', $request->getChoices()) . ')'; | |
| } | |
| if ($request->getDefaultValue() !== null) { | |
| $prompt .= ' ['.$request->getDefaultValue().']'; | |
| } | |
| $pchar = $request->getPromptChar(); | |
| return $prompt . ($pchar ? $pchar . ' ' : ' '); | |
| } | |
| } | |