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- <?php
- /*
- * $Id: Task.php 174 2007-03-12 21:01:37Z hans $
- *
- * 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/ProjectComponent.php';
- include_once 'phing/RuntimeConfigurable.php';
-
- /**
- * The base class for all Tasks.
- *
- * Use {@link Project#createTask} to register a new Task.
- *
- * @author Andreas Aderhold <andi@binarycloud.com>
- * @copyright � 2001,2002 THYRELL. All rights reserved
- * @version $Revision: 1.11 $
- * @see Project#createTask()
- * @package phing
- */
- abstract class Task extends ProjectComponent {
-
- /**
- * @var Target owning Target object
- */
- protected $target;
-
- /**
- * @var string description of the task
- */
- protected $description;
-
- /**
- * @var string internal taskname (req)
- */
- protected $taskType;
-
- /**
- * @var string Taskname for logger
- */
- protected $taskName;
-
- /**
- * @var Location stored buildfile location
- */
- protected $location;
-
- /**
- * @var RuntimeConfigurable wrapper of the task
- */
- protected $wrapper;
-
- /**
- * Sets the owning target this task belongs to.
- *
- * @param Target Reference to owning target
- */
- public function setOwningTarget(Target $target) {
- $this->target = $target;
- }
-
- /**
- * Returns the owning target of this task.
- *
- * @return Target The target object that owns this task
- */
- public function getOwningTarget() {
- return $this->target;
- }
-
- /**
- * Returns the name of task, used only for log messages
- *
- * @return string Name of this task
- */
- public function getTaskName() {
- if ($this->taskName === null) {
- // if no task name is set, then it's possible
- // this task was created from within another task. We don't
- // therefore know the XML tag name for this task, so we'll just
- // use the class name stripped of "task" suffix. This is only
- // for log messages, so we don't have to worry much about accuracy.
- return preg_replace('/task$/i', '', get_class($this));
- }
- return $this->taskName;
- }
-
- /**
- * Sets the name of this task for log messages
- *
- * @return string A string representing the name of this task for log
- */
- public function setTaskName($name) {
- $this->taskName = (string) $name;
- }
-
- /**
- * Returns the name of the task under which it was invoked,
- * usually the XML tagname
- *
- * @return string The type of this task (XML Tag)
- */
- public function getTaskType() {
- return $this->taskType;
- }
-
- /**
- * Sets the type of the task. Usually this is the name of the XML tag
- *
- * @param string The type of this task (XML Tag)
- */
- public function setTaskType($name) {
- $this->taskType = (string) $name;
- }
-
- /**
- * Returns a name
- *
- */
- protected function getRegisterSlot($slotName) {
- return Register::getSlot('task.' . $this->getTaskName() . '.' . $slotName);
- }
-
- /**
- * Provides a project level log event to the task.
- *
- * @param string The message to log
- * @param integer The priority of the message
- * @see BuildEvent
- * @see BuildListener
- */
- function log($msg, $level = Project::MSG_INFO) {
- $this->project->logObject($this, $msg, $level);
- }
-
- /**
- * Sets a textual description of the task
- *
- * @param string $desc The text describing the task
- */
- public function setDescription($desc) {
- $this->description = $desc;
- }
-
- /**
- * Returns the textual description of the task
- *
- * @return string The text description of the task
- */
- public function getDescription() {
- return $this->description;
- }
-
- /**
- * Called by the parser to let the task initialize properly.
- * Should throw a BuildException if something goes wrong with the build
- *
- * This is abstract here, but may not be overloaded by subclasses.
- *
- * @throws BuildException
- */
- public function init() {
- }
-
- /**
- * Called by the project to let the task do it's work. This method may be
- * called more than once, if the task is invoked more than once. For
- * example, if target1 and target2 both depend on target3, then running
- * <em>phing target1 target2</em> will run all tasks in target3 twice.
- *
- * Should throw a BuildException if someting goes wrong with the build
- *
- * This is abstract here. Must be overloaded by real tasks.
- */
- abstract public function main();
-
- /**
- * Returns the location within the buildfile this task occurs. Used
- * by {@link BuildException} to give detailed error messages.
- *
- * @return Location The location object describing the position of this
- * task within the buildfile.
- */
- function getLocation() {
- return $this->location;
- }
-
- /**
- * Sets the location within the buildfile this task occurs. Called by
- * the parser to set location information.
- *
- * @param Location $location The location object describing the position of this
- * task within the buildfile.
- */
- function setLocation(Location $location) {
- $this->location = $location;
- }
-
- /**
- * Returns the wrapper object for runtime configuration
- *
- * @return RuntimeConfigurable The wrapper object used by this task
- */
- function getRuntimeConfigurableWrapper() {
- if ($this->wrapper === null) {
- $this->wrapper = new RuntimeConfigurable($this, $this->getTaskName());
- }
- return $this->wrapper;
- }
-
- /**
- * Sets the wrapper object this task should use for runtime
- * configurable elements.
- *
- * @param RuntimeConfigurable $wrapper The wrapper object this task should use
- */
- function setRuntimeConfigurableWrapper(RuntimeConfigurable $wrapper) {
- $this->wrapper = $wrapper;
- }
-
- /**
- * Configure this task if it hasn't been done already.
- */
- public function maybeConfigure() {
- if ($this->wrapper !== null) {
- $this->wrapper->maybeConfigure($this->project);
- }
- }
-
- /**
- * Perfrom this task
- */
- public function perform() {
-
- try { // try executing task
- $this->project->fireTaskStarted($this);
- $this->maybeConfigure();
- $this->main();
- $this->project->fireTaskFinished($this, $null=null);
- } catch (Exception $exc) {
- if ($exc instanceof BuildException) {
- if ($exc->getLocation() === null) {
- $exc->setLocation($this->getLocation());
- }
- }
- $this->project->fireTaskFinished($this, $exc);
- throw $exc;
- }
- }
- }
-