/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed 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.
*/
/*
* $Id: TransletOutputHandlerFactory.java,v 1.16 2004/02/16 22:56:25 minchau Exp $
*/
package org.apache.xalan.xsltc.runtime.output;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.xalan.xsltc.trax.SAX2DOM;
import org.apache.xml.serializer.ToHTMLSAXHandler;
import org.apache.xml.serializer.ToHTMLStream;
import org.apache.xml.serializer.ToTextSAXHandler;
import org.apache.xml.serializer.ToTextStream;
import org.apache.xml.serializer.ToUnknownStream;
import org.apache.xml.serializer.ToXMLSAXHandler;
import org.apache.xml.serializer.ToXMLStream;
import org.apache.xml.serializer.SerializationHandler;
import org.w3c.dom.Node;
import org.xml.sax.ContentHandler;
import org.xml.sax.ext.LexicalHandler;
/**
* @author Santiago Pericas-Geertsen
*/
public class TransletOutputHandlerFactory {
public static final int STREAM = 0;
public static final int SAX = 1;
public static final int DOM = 2;
private String _encoding = "utf-8";
private String _method = null;
private int _outputType = STREAM;
private OutputStream _ostream = System.out;
private Writer _writer = null;
private Node _node = null;
private int _indentNumber = -1;
private ContentHandler _handler = null;
private LexicalHandler _lexHandler = null;
static public TransletOutputHandlerFactory newInstance() {
return new TransletOutputHandlerFactory();
}
public void setOutputType(int outputType) {
_outputType = outputType;
}
public void setEncoding(String encoding) {
if (encoding != null) {
_encoding = encoding;
}
}
public void setOutputMethod(String method) {
_method = method;
}
public void setOutputStream(OutputStream ostream) {
_ostream = ostream;
}
public void setWriter(Writer writer) {
_writer = writer;
}
public void setHandler(ContentHandler handler) {
_handler = handler;
}
public void setLexicalHandler(LexicalHandler lex) {
_lexHandler = lex;
}
public void setNode(Node node) {
_node = node;
}
public Node getNode() {
return (_handler instanceof SAX2DOM) ? ((SAX2DOM)_handler).getDOM()
: null;
}
public void setIndentNumber(int value) {
_indentNumber = value;
}
public SerializationHandler getSerializationHandler()
throws IOException, ParserConfigurationException
{
SerializationHandler result = null;
switch (_outputType)
{
case STREAM :
if (_method == null)
{
result = new ToUnknownStream();
}
else if (_method.equalsIgnoreCase("xml"))
{
result = new ToXMLStream();
}
else if (_method.equalsIgnoreCase("html"))
{
result = new ToHTMLStream();
}
else if (_method.equalsIgnoreCase("text"))
{
result = new ToTextStream();
}
if (result != null && _indentNumber >= 0)
{
result.setIndentAmount(_indentNumber);
}
result.setEncoding(_encoding);
if (_writer != null)
{
result.setWriter(_writer);
}
else
{
result.setOutputStream(_ostream);
}
return result;
case DOM :
_handler = (_node != null) ? new SAX2DOM(_node) : new SAX2DOM();
_lexHandler = (LexicalHandler) _handler;
// falls through
case SAX :
if (_method == null)
{
_method = "xml"; // default case
}
if (_method.equalsIgnoreCase("xml"))
{
if (_lexHandler == null)
{
result = new ToXMLSAXHandler(_handler, _encoding);
}
else
{
result =
new ToXMLSAXHandler(
_handler,
_lexHandler,
_encoding);
}
}
else if (_method.equalsIgnoreCase("html"))
{
if (_lexHandler == null)
{
result = new ToHTMLSAXHandler(_handler, _encoding);
}
else
{
result =
new ToHTMLSAXHandler(
_handler,
_lexHandler,
_encoding);
}
}
else if (_method.equalsIgnoreCase("text"))
{
if (_lexHandler == null)
{
result = new ToTextSAXHandler(_handler, _encoding);
}
else
{
result =
new ToTextSAXHandler(
_handler,
_lexHandler,
_encoding);
}
}
return result;
}
return null;
}
}