/*
* Copyright (c) 2010. Stephen Connolly.
* Copyright (c) 2006. Michael Hartle <mhartle@rbg.informatik.tu-darmstadt.de>.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.github.stephenc.javaisotools.sabre.impl;
import com.github.stephenc.javaisotools.sabre.Fixup;
import com.github.stephenc.javaisotools.sabre.HandlerException;
import com.github.stephenc.javaisotools.sabre.StreamHandler;
import com.github.stephenc.javaisotools.sabre.ContentHandler;
import com.github.stephenc.javaisotools.sabre.DataReference;
import com.github.stephenc.javaisotools.sabre.Element;
import com.github.stephenc.javaisotools.sabre.StructureHandler;
public class ChainingStreamHandler implements StreamHandler {
private StructureHandler chainedStructureHandler = null;
private ContentHandler chainedContentHandler = null;
public ChainingStreamHandler(StructureHandler chainedStructureHandler, ContentHandler chainedContentHandler) {
this.chainedStructureHandler = chainedStructureHandler;
this.chainedContentHandler = chainedContentHandler;
}
public void startDocument() throws HandlerException {
// Call chained structure handler
if (this.chainedStructureHandler != null) {
this.chainedStructureHandler.startDocument();
}
}
public void startElement(Element element) throws HandlerException {
// Call chained structure handler
if (this.chainedStructureHandler != null) {
this.chainedStructureHandler.startElement(element);
}
}
public void data(DataReference reference) throws HandlerException {
// Call chained content handler
if (this.chainedContentHandler != null) {
this.chainedContentHandler.data(reference);
}
}
public Fixup fixup(DataReference reference) throws HandlerException {
Fixup fixup = null;
// Call chained content handler
if (this.chainedContentHandler != null) {
fixup = this.chainedContentHandler.fixup(reference);
}
return fixup;
}
public long mark() throws HandlerException {
long mark = -1;
if (this.chainedContentHandler != null) {
mark = this.chainedContentHandler.mark();
}
return mark;
}
public void endElement() throws HandlerException {
// Call chained structure handler
if (this.chainedStructureHandler != null) {
this.chainedStructureHandler.endElement();
}
}
public void endDocument() throws HandlerException {
// Call chained structure handler
if (this.chainedStructureHandler != null) {
this.chainedStructureHandler.endDocument();
}
}
}