/*
 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
 */
/*
 * 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.qetest.xsl;

import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;

/**
 * Cheap-o ContentHandler for use by API tests.
 * <p>Implements ContentHandler and a way to debug SAX stuff.</p>
 */
public class CheckingContentHandler implements ContentHandler  {
    /**
     * Our default handler that we pass all events through to.
     */
    private volatile ContentHandler defaultHandler;

    /**
     * Set a default handler for us to wrapper. Set a ContentHandler for us to
     * use.
     * @param handler Object of the correct type to pass-through to.
     */
    public void setDefaultHandler(ContentHandler handler) {
        defaultHandler = handler;

    }

    /**
     * Accessor method for our default handler.
     * @return default (Object) our default handler; null if unset
     */
    public ContentHandler getDefaultHandler() {
        return defaultHandler;
    }
    
    @Override
    public void setDocumentLocator(Locator locator) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void startDocument() throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void endDocument() throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void startPrefixMapping(String prefix, String uri) throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void endPrefixMapping(String prefix) throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void endElement(String uri, String localName, String qName) throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void characters(char[] ch, int start, int length) throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void processingInstruction(String target, String data) throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void skippedEntity(String name) throws SAXException {
        throw new UnsupportedOperationException("Not supported yet.");
    }   
}