/*
* Copyright 2010 the original author or authors.
*
* Licensed 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.gradle.api.internal.tasks.generator;
import groovy.util.Node;
import groovy.util.XmlParser;
import org.gradle.api.internal.XmlTransformer;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
/**
* A {@link PersistableConfigurationObject} which is stored in an XML file.
*/
public abstract class XmlPersistableConfigurationObject extends AbstractPersistableConfigurationObject {
private final XmlTransformer xmlTransformer;
private Node xml;
protected XmlPersistableConfigurationObject(XmlTransformer xmlTransformer) {
this.xmlTransformer = xmlTransformer;
}
public Node getXml() {
return xml;
}
@Override
public void load(InputStream inputStream) throws Exception {
xml = new XmlParser().parse(inputStream);
load(xml);
}
@Override
public void store(OutputStream outputStream) {
store(xml);
xmlTransformer.transform(xml, new OutputStreamWriter(outputStream));
}
/**
* Called immediately after the XML file has been read.
*/
protected abstract void load(Node xml);
/**
* Called immediately before the XML file is to be written.
*/
protected abstract void store(Node xml);
}