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/*
 * Milyn - Copyright (C) 2006 - 2010
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License (version 2.1) as published by the Free Software
 * Foundation.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * See the GNU Lesser General Public License for more details:
 * http://www.gnu.org/licenses/lgpl.txt
 */

package org.milyn.namespace;

import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.ext.DefaultHandler2;

import java.io.IOException;

/**
 * Namespace aware Content Handler wrapper.
 *
 * @author [email protected]
 */
public class NamespaceAwareHandler extends DefaultHandler2 {

    private DefaultHandler2 baseHandler;
    private NamespaceDeclarationStack namespaceDeclarationStack;

    public NamespaceAwareHandler(DefaultHandler2 baseHandler, NamespaceDeclarationStack namespaceDeclarationStack) {
        this.baseHandler = baseHandler;
        this.namespaceDeclarationStack = namespaceDeclarationStack;
    }

    public void setDocumentLocator(Locator locator) {
        baseHandler.setDocumentLocator(locator);
    }

    public void startDocument() throws SAXException {
        baseHandler.startDocument();
    }

    public void endDocument() throws SAXException {
        baseHandler.endDocument();
    }

    public void startPrefixMapping(String prefix, String uri) throws SAXException {
        baseHandler.startPrefixMapping(prefix, uri);
    }

    public void endPrefixMapping(String prefix) throws SAXException {
        baseHandler.endPrefixMapping(prefix);
    }

    public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {
        namespaceDeclarationStack.pushNamespaces(qName, uri, atts);
        baseHandler.startElement(uri, localName, qName, atts);
    }

    public void endElement(String uri, String localName, String qName) throws SAXException {
        baseHandler.endElement(uri, localName, qName);
        namespaceDeclarationStack.popNamespaces();
    }

    public void characters(char[] ch, int start, int length) throws SAXException {
        baseHandler.characters(ch, start, length);
    }

    public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException {
        baseHandler.ignorableWhitespace(ch, start, length);
    }

    public void processingInstruction(String target, String data) throws SAXException {
        baseHandler.processingInstruction(target, data);
    }

    public void skippedEntity(String name) throws SAXException {
        baseHandler.skippedEntity(name);
    }

    public void notationDecl(String name, String publicId, String systemId) throws SAXException {
        baseHandler.notationDecl(name, publicId, systemId);
    }

    public void unparsedEntityDecl(String name, String publicId, String systemId, String notationName) throws SAXException {
        baseHandler.unparsedEntityDecl(name, publicId, systemId, notationName);
    }

    public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
        return baseHandler.resolveEntity(publicId, systemId);
    }

    public void warning(SAXParseException exception) throws SAXException {
        baseHandler.warning(exception);
    }

    public void error(SAXParseException exception) throws SAXException {
        baseHandler.error(exception);
    }

    public void fatalError(SAXParseException exception) throws SAXException {
        baseHandler.fatalError(exception);
    }

    public void elementDecl(String name, String model) throws SAXException {
        baseHandler.elementDecl(name, model);
    }

    public void attributeDecl(String eName, String aName, String type, String mode, String value) throws SAXException {
        baseHandler.attributeDecl(eName, aName, type, mode, value);
    }

    public void internalEntityDecl(String name, String value) throws SAXException {
        baseHandler.internalEntityDecl(name, value);
    }

    public void externalEntityDecl(String name, String publicId, String systemId) throws SAXException {
        baseHandler.externalEntityDecl(name, publicId, systemId);
    }

    public InputSource getExternalSubset(String name, String baseURI) throws SAXException, IOException {
        return baseHandler.getExternalSubset(name, baseURI);
    }

    public InputSource resolveEntity(String name, String publicId, String baseURI, String systemId) throws SAXException, IOException {
        return baseHandler.resolveEntity(name, publicId, baseURI, systemId);
    }

    public void startDTD(String name, String publicId, String systemId) throws SAXException {
        baseHandler.startDTD(name, publicId, systemId);
    }

    public void endDTD() throws SAXException {
        baseHandler.endDTD();
    }

    public void startEntity(String name) throws SAXException {
        baseHandler.startEntity(name);
    }

    public void endEntity(String name) throws SAXException {
        baseHandler.endEntity(name);
    }

    public void startCDATA() throws SAXException {
        baseHandler.startCDATA();
    }

    public void endCDATA() throws SAXException {
        baseHandler.endCDATA();
    }

    public void comment(char[] ch, int start, int length) throws SAXException {
        baseHandler.comment(ch, start, length);
    }
}