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   1  <?php
   2  /*
   3   *  $Id: ConditionTask.php 3076 2006-12-18 08:52:12Z fabien $  
   4   * 
   5   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   6   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   7   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   8   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   9   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  10   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  11   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  12   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  13   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  14   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  15   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  16   *
  17   * This software consists of voluntary contributions made by many individuals
  18   * and is licensed under the LGPL. For more information please see
  19   * <http://phing.info>.
  20  */
  21  
  22  require_once 'phing/tasks/system/condition/ConditionBase.php';
  23  
  24  /**
  25   *  <condition> task as a generalization of <available>
  26   *
  27   *  <p>This task supports boolean logic as well as pluggable conditions
  28   *  to decide, whether a property should be set.</p>
  29   *
  30   *  <p>This task does not extend Task to take advantage of
  31   *  ConditionBase.</p>
  32   *
  33   *  @author    Andreas Aderhold <andi@binarycloud.com>
  34   *  @copyright © 2001,2002 THYRELL. All rights reserved
  35   *  @version   $Revision: 1.7 $ $Date: 2006-04-28 16:49:47 +0200 (Fri, 28 Apr 2006) $
  36   *  @access    public
  37   *  @package   phing.tasks.system
  38   */
  39  class ConditionTask extends ConditionBase {
  40  
  41      private $property;
  42      private $value = "true";
  43  
  44      /**
  45       * The name of the property to set. Required.
  46       */
  47      function setProperty($p) {
  48          $this->property = $p;
  49      }
  50  
  51      /**
  52       * The value for the property to set. Defaults to "true".
  53       */
  54      function setValue($v) {
  55          $this->value = $v;
  56      }
  57  
  58      /**
  59       * See whether our nested condition holds and set the property.
  60       */
  61      function main() {
  62  
  63          if ($this->countConditions() > 1) {
  64              throw new BuildException("You must not nest more than one condition into <condition>");
  65          }
  66          if ($this->countConditions() < 1) {
  67              throw new BuildException("You must nest a condition into <condition>");
  68          }
  69          $cs = $this->getIterator();        
  70          if ($cs->current()->evaluate()) {
  71              $this->project->setProperty($this->property, $this->value);
  72          }
  73      }
  74  }