/*
* @(#)$Id: TransletOutputHandlerFactory.java,v 1.12 2002/06/26 22:55:07 santiagopg Exp $
*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xalan" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES{} LOSS OF
* USE, DATA, OR PROFITS{} OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2001, Sun
* Microsystems., http://www.sun.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* @author Santiago Pericas-Geertsen
*
*/
package org.apache.xalan.xsltc.runtime.output;
import java.io.Writer;
import java.io.IOException;
import java.io.OutputStream;
import org.w3c.dom.Node;
import org.xml.sax.SAXException;
import org.xml.sax.ContentHandler;
import org.xml.sax.ext.LexicalHandler;
import org.apache.xalan.xsltc.runtime.*;
import org.apache.xalan.xsltc.TransletException;
import org.apache.xalan.xsltc.TransletOutputHandler;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.xalan.xsltc.trax.SAX2DOM;
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 TransletOutputHandler getTransletOutputHandler()
throws IOException, ParserConfigurationException
{
switch (_outputType) {
case STREAM:
StreamOutput result = null;
if (_method == null) {
result = (_writer == null) ?
new StreamUnknownOutput(_ostream, _encoding) :
new StreamUnknownOutput(_writer, _encoding);
}
else if (_method.equalsIgnoreCase("xml")) {
result = (_writer == null) ?
new StreamXMLOutput(_ostream, _encoding) :
new StreamXMLOutput(_writer, _encoding);
}
else if (_method.equalsIgnoreCase("html")) {
result = (_writer == null) ?
new StreamHTMLOutput(_ostream, _encoding) :
new StreamHTMLOutput(_writer, _encoding);
}
else if (_method.equalsIgnoreCase("text")) {
result = (_writer == null) ?
new StreamTextOutput(_ostream, _encoding) :
new StreamTextOutput(_writer, _encoding);
}
if (result != null && _indentNumber >= 0) {
result.setIndentNumber(_indentNumber);
}
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")) {
return (_lexHandler == null) ?
new SAXXMLOutput(_handler, _encoding) :
new SAXXMLOutput(_handler, _lexHandler, _encoding);
}
else if (_method.equalsIgnoreCase("html")) {
return (_lexHandler == null) ?
new SAXHTMLOutput(_handler, _encoding) :
new SAXHTMLOutput(_handler, _lexHandler, _encoding);
}
else if (_method.equalsIgnoreCase("text")) {
return (_lexHandler == null) ?
new SAXTextOutput(_handler, _encoding) :
new SAXTextOutput(_handler, _lexHandler, _encoding);
}
break;
}
return null;
}
// Temporary - returns an instance of TextOutput
public TransletOutputHandler getOldTransletOutputHandler() throws IOException {
DefaultSAXOutputHandler saxHandler =
new DefaultSAXOutputHandler(_ostream, _encoding);
return new TextOutput((ContentHandler)saxHandler,
(LexicalHandler)saxHandler, _encoding);
}
}