/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS 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 on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.tools.ant;
import java.util.Enumeration;
import java.util.Vector;
import org.xml.sax.AttributeList;
import org.xml.sax.helpers.AttributeListImpl;
/**
* Wrapper class that holds the attributes of a Task (or elements
* nested below that level) and takes care of configuring that element
* at runtime.
*
* @author <a href="stefan.bodewig@megabit.net">Stefan Bodewig</a>
*/
public class RuntimeConfigurable {
private Vector children = new Vector();
private Object wrappedObject = null;
private AttributeList attributes;
private StringBuffer characters = new StringBuffer();
/**
* @param proxy The element to wrap.
*/
public RuntimeConfigurable(Object proxy) {
wrappedObject = proxy;
}
void setProxy(Object proxy) {
wrappedObject = proxy;
}
/**
* Set's the attributes for the wrapped element.
*/
public void setAttributes(AttributeList attributes) {
this.attributes = new AttributeListImpl(attributes);
}
/**
* Returns the AttributeList of the wrapped element.
*/
public AttributeList getAttributes() {
return attributes;
}
/**
* Adds child elements to the wrapped element.
*/
public void addChild(RuntimeConfigurable child) {
children.addElement(child);
}
/**
* Returns the child with index <code>index</code>.
*/
RuntimeConfigurable getChild(int index) {
return (RuntimeConfigurable) children.elementAt(index);
}
/**
* Add characters from #PCDATA areas to the wrapped element.
*/
public void addText(String data) {
characters.append(data);
}
/**
* Add characters from #PCDATA areas to the wrapped element.
*/
public void addText(char[] buf, int start, int end) {
addText(new String(buf, start, end));
}
/**
* Configure the wrapped element and all children.
*/
public void maybeConfigure(Project p) throws BuildException {
if (attributes != null) {
ProjectHelper.configure(wrappedObject, attributes, p);
attributes = null;
}
if (characters.length() != 0) {
ProjectHelper.addText(wrappedObject, characters.toString());
characters.setLength(0);
}
Enumeration enum = children.elements();
while (enum.hasMoreElements()) {
RuntimeConfigurable child = (RuntimeConfigurable) enum.nextElement();
child.maybeConfigure(p);
}
}
}