Subversion-Projekte lars-tiefland.php_share

<?php
/*
 *  $Id: AvailableTask.php 333 2007-12-28 21:30:09Z 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/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: 1.11 $
 *  @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;

        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);
        }

        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 = $this->filepath->listDir();
                        for($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 $file) {
                if ($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;
                }
        }
}