/*
* 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 com.google.code.configprocessor.maven;
import org.codehaus.plexus.configuration.PlexusConfiguration;
import org.codehaus.plexus.util.xml.PrettyPrintXMLWriter;
import org.codehaus.plexus.util.xml.XMLWriter;
import java.io.IOException;
import java.io.Writer;
/**
* Write a plexus configuration to a stream
* Have to use an XML writer because in Maven 2.x the PlexusConfig toString() method loses XML
* attributes
* Note: This class was originally copied from antrun-plugin. It is duplicated here
* to maintain compatibility with both Maven 2.x and Maven 3.x.
*/
public class AntrunXmlPlexusConfigurationWriter {
public void write(PlexusConfiguration configuration, Writer writer) throws IOException {
int depth = 0;
PrettyPrintXMLWriter xmlWriter = new PrettyPrintXMLWriter(writer);
write(configuration, xmlWriter, depth);
}
private void write(PlexusConfiguration c, XMLWriter w, int depth) throws IOException {
int count = c.getChildCount();
if (count == 0) {
writeTag(c, w);
} else {
w.startElement(c.getName());
writeAttributes(c, w);
for (int i = 0; i < count; i++) {
PlexusConfiguration child = c.getChild(i);
write(child, w, depth + 1);
}
w.endElement();
}
}
private void writeTag(PlexusConfiguration c, XMLWriter w) throws IOException {
w.startElement(c.getName());
writeAttributes(c, w);
String value = c.getValue(null);
if (value != null) {
w.writeText(value);
}
w.endElement();
}
private void writeAttributes(PlexusConfiguration c, XMLWriter w) throws IOException {
String[] names = c.getAttributeNames();
for (int i = 0; i < names.length; i++) {
w.addAttribute(names[i], c.getAttribute(names[i], null));
}
}
}