content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You under the Apache License, Version 2.0
   *  (the "License"); you may not use this file except in compliance with
   *  the License.  You may obtain a copy of the License at
   *
   *      https://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   */
  package org.apache.tools.ant.types.optional;
  
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.taskdefs.condition.Condition;
  
  /**
   * A condition that lets you include script.
   * The condition component sets a bean "self", whose attribute "value"
   * must be set to true for the condition to succeed, false to fail.
   * The default is 'false'
   */
  public class ScriptCondition extends AbstractScriptComponent implements Condition {
  
      /**
       * result field
       */
      private boolean value = false;
  
      /**
       * Is this condition true?
       *
       * @return true if the condition is true
       *
       * @throws BuildException
       *          if an error occurs
       */
      @Override
      public boolean eval() throws BuildException {
          initScriptRunner();
          final Object result = getRunner().evaluateScript("ant_condition");
          return result instanceof Boolean ? Boolean.TRUE.equals(result) : getValue();
      }
  
      /**
       * get the current value of the condition
       * @return true if the condition
       */
      public boolean getValue() {
          return value;
      }
  
      /**
       * set the value of the condition.
       * This is used by the script to pass the return value.
       * It can be used by an attribute, in which case it sets the default
       * value
       * @param value the value to set the condition to
       */
      public void setValue(boolean value) {
          this.value = value;
      }
  }
  