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/*
* 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.taskdefs.optional.script;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DynamicConfigurator;
import org.apache.tools.ant.MagicNames;
import org.apache.tools.ant.Task;
/**
* The script execution class. This class finds the defining script task
* and passes control to that task's executeScript method.
*
* @since Ant 1.6
*/
public class ScriptDefBase extends Task implements DynamicConfigurator {
/** Nested elements */
private Map nestedElementMap = new HashMap();
/** Attributes */
private Map attributes = new HashMap();
private String text;
/**
* Locate the script defining task and execute the script by passing
* control to it
*/
public void execute() {
getScript().executeScript(attributes, nestedElementMap, this);
}
private ScriptDef getScript() {
String name = getTaskType();
Map scriptRepository
= (Map) getProject().getReference(MagicNames.SCRIPT_REPOSITORY);
if (scriptRepository == null) {
throw new BuildException("Script repository not found for " + name);
}
ScriptDef definition = (ScriptDef) scriptRepository.get(getTaskType());
if (definition == null) {
throw new BuildException("Script definition not found for " + name);
}
return definition;
}
/**
* Create a nested element
*
* @param name the nested element name
* @return the element to be configured
*/
public Object createDynamicElement(String name) {
List nestedElementList = (List) nestedElementMap.get(name);
if (nestedElementList == null) {
nestedElementList = new ArrayList();
nestedElementMap.put(name, nestedElementList);
}
Object element = getScript().createNestedElement(name);
nestedElementList.add(element);
return element;
}
/**
* Set a task attribute
*
* @param name the attribute name.
* @param value the attribute's string value
*/
public void setDynamicAttribute(String name, String value) {
ScriptDef definition = getScript();
if (!definition.isAttributeSupported(name)) {
throw new BuildException("<" + getTaskType()
+ "> does not support the \"" + name + "\" attribute");
}
attributes.put(name, value);
}
/**
* Set the script text.
*
* @param text a component of the script text to be added.
* @since ant1.7
*/
public void addText(String text) {
this.text = getProject().replaceProperties(text);
}
/**
* get the text of this element; may be null
* @return text or null for no nested text
* @since ant1.7
*/
public String getText() {
return text;
}
/**
* Utility method for nested scripts; throws a BuildException
* with the given message.
* @param message text to pass to the BuildException
* @throws BuildException always.
* @since ant1.7
*/
public void fail(String message) {
throw new BuildException(message);
}
}
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