| /* |
| * 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 |
| * |
| * http://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 org.apache.tools.ant.BuildException |
| * if an error occurs |
| */ |
| public boolean eval() throws BuildException { |
| initScriptRunner(); |
| Object result = evaluateScript("ant_condition"); |
| return result instanceof Boolean ? ((Boolean) result).booleanValue() : getValue(); |
| } |
| |
| /** |
| * get the current value of the conditon |
| * @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; |
| } |
| } |