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<?php
/*
* $Id: AvailableTask.php 1381 2011-12-08 20:15:12Z mrook $
*
* 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/Task.php';
include_once 'phing/tasks/system/condition/ConditionBase.php';
/**
* <available> task.
*
* Note: implements condition interface (see condition/Condition.php)
*
* @author Andreas Aderhold <andi@binarycloud.com>
* @copyright 2001,2002 THYRELL. All rights reserved
* @version $Revision: 1381 $
* @package phing.tasks.system
*/
class AvailableTask extends Task {
/** Property to check for. */
private $property;
/** Value property should be set to. */
private $value = "true";
/** Resource to check for */
private $resource;
private $type = null;
private $filepath = null;
private $followSymlinks = false;
function setProperty($property) {
$this->property = (string) $property;
}
function setValue($value) {
$this->value = (string) $value;
}
function setFile(PhingFile $file) {
$this->file = $file;
}
function setResource($resource) {
$this->resource = (string) $resource;
}
function setType($type) {
$this->type = (string) strtolower($type);
}
public function setFollowSymlinks($followSymlinks)
{
$this->followSymlinks = (bool) $followSymlinks;
}
/**
* Set the path to use when looking for a file.
*
* @param Path $filepath a Path instance containing the search path for files.
*/
public function setFilepath(Path $filepath) {
if ($this->filepath === null) {
$this->filepath = $filepath;
} else {
$this->filepath->append($filepath);
}
}
/**
* Creates a path to be configured
*
* @return Path
*/
public function createFilepath() {
if ($this->filepath === null) {
$this->filepath = new Path($this->project);
}
return $this->filepath->createPath();
}
function main() {
if ($this->property === null) {
throw new BuildException("property attribute is required", $this->location);
}
if ($this->evaluate()) {
$this->project->setProperty($this->property, $this->value);
}
}
function evaluate() {
if ($this->file === null && $this->resource === null) {
throw new BuildException("At least one of (file|resource) is required", $this->location);
}
if ($this->type !== null && ($this->type !== "file" && $this->type !== "dir")) {
throw new BuildException("Type must be one of either dir or file", $this->location);
}
if (($this->file !== null) && !$this->_checkFile()) {
$this->log("Unable to find " . $this->file->__toString() . " to set property " . $this->property, Project::MSG_VERBOSE);
return false;
}
if (($this->resource !== null) && !$this->_checkResource($this->resource)) {
$this->log("Unable to load resource " . $this->resource . " to set property " . $this->property, Project::MSG_VERBOSE);
return false;
}
return true;
}
// this is prepared for the path type
private function _checkFile() {
if ($this->filepath === null) {
return $this->_checkFile1($this->file);
} else {
$paths = $this->filepath->listPaths();
for($i=0,$pcnt=count($paths); $i < $pcnt; $i++) {
$this->log("Searching " . $paths[$i], Project::MSG_VERBOSE);
$tmp = new PhingFile($paths[$i], $this->file->getName());
if($tmp->isFile()) {
return true;
}
}
}
return false;
}
private function _checkFile1(PhingFile $file) {
// Resolve symbolic links
if ($this->followSymlinks && $file->isLink()) {
$file = new PhingFile($file->getLinkTarget());
}
if ($this->type !== null) {
if ($this->type === "dir") {
return $file->isDirectory();
} else if ($this->type === "file") {
return $file->isFile();
}
}
return $file->exists();
}
private function _checkResource($resource) {
if (null != ($resourcePath = Phing::getResourcePath($resource))) {
return $this->_checkFile1(new PhingFile($resourcePath));
} else {
return false;
}
}
}
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