/*
 *  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 groovy.xml;

import org.codehaus.groovy.classgen.TestSupport;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

import java.io.IOException;

/**
 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
 */
public abstract class TestXmlSupport extends TestSupport {

    protected void dump(Node node) throws IOException {
        XmlUtil.serialize((Element) node, System.out);
    }

    protected SAXBuilder createSAXBuilder() throws IOException {
        return new SAXBuilder(new LoggingDefaultHandler());
    }

    private static class LoggingDefaultHandler extends DefaultHandler {
        public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
            System.out.println("Start Element: " + localName);
        }
        public void endElement(String uri, String localName, String qName) throws SAXException {
            System.out.println("End Element: " + localName);
        }
        public void characters(char ch[], int start, int length) throws SAXException {
            System.out.println("Characters: " + new String(ch).substring(start, start + length - 1));
        }
    }
}