/*

   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.batik.transcoder;

import java.io.OutputStream;
import java.io.Writer;

import org.w3c.dom.Document;
import org.xml.sax.XMLFilter;

/**
 * This class represents a single output for a <code>Transcoder</code>.
 *
 * @author <a href="mailto:Thierry.Kormann@sophia.inria.fr">Thierry Kormann</a>
 * @version $Id$
 */
public class TranscoderOutput {

    /**
     * The optional XML filter where to send SAX events.
     */
    protected XMLFilter xmlFilter;

    /**
     * The optional output has a byte stream.
     */
    protected OutputStream ostream;

    /**
     * The optional output as a character stream.
     */
    protected Writer writer;

    /**
     * The optional output as XML Document.
     */
    protected Document document;

    /**
     * The optional output as a URI.
     */
    protected String uri;

    /**
     * Constructs a new empty <code>TranscoderOutput</code>.
     */
    public TranscoderOutput() {
    }

    /**
     * Constructs a new <code>TranscoderOutput</code> with the specified
     * XML filter.
     * @param xmlFilter the XML filter of this transcoder output
     */
    public TranscoderOutput(XMLFilter xmlFilter) {
        this.xmlFilter = xmlFilter;
    }

    /**
     * Constructs a new <code>TranscoderOutput</code> with the specified
     * byte stream output.
     * @param ostream the byte stream of this transcoder output
     */
    public TranscoderOutput(OutputStream ostream) {
        this.ostream = ostream;
    }

    /**
     * Constructs a new <code>TranscoderOutput</code> with the specified
     * character stream.
     * @param writer the character stream of this transcoder output
     */
    public TranscoderOutput(Writer writer) {
        this.writer = writer;
    }

    /**
     * Constructs a new <code>TranscoderOutput</code> with the specified Document.
     * @param document the Document of this transcoder output
     */
    public TranscoderOutput(Document document) {
        this.document = document;
    }

    /**
     * Constructs a new <code>TranscoderOutput</code> with the specified uri.
     * @param uri the URI of this transcoder output
     */
    public TranscoderOutput(String uri) {
        this.uri = uri;
    }

    /**
     * Sets the output of this transcoder output with the specified
     * XML filter.
     * @param xmlFilter the XML filter of this transcoder output
     */
    public void setXMLFilter(XMLFilter xmlFilter) {
        this.xmlFilter = xmlFilter;
    }

    /**
     * Returns the output of this transcoder as a XML filter or null
     * if none was supplied.
     */
    public XMLFilter getXMLFilter() {
        return xmlFilter;
    }


    /**
     * Sets the output of this transcoder output with the specified
     * byte stream.
     * @param ostream the byte stream of this transcoder output
     */
    public void setOutputStream(OutputStream ostream) {
        this.ostream = ostream;
    }

    /**
     * Returns the output of this transcoder as a byte stream or null
     * if none was supplied.
     */
    public OutputStream getOutputStream() {
        return ostream;
    }

    /**
     * Sets the output of this transcoder output with the specified
     * character stream.
     * @param writer the character stream of this transcoder output
     */
    public void setWriter(Writer writer) {
        this.writer = writer;
    }

    /**
     * Returns the output of this transcoder as a character stream or null
     * if none was supplied.
     */
    public Writer getWriter() {
        return writer;
    }

    /**
     * Sets the output of this transcoder output with the specified
     * document.
     * @param document the document of this transcoder output
     */
    public void setDocument(Document document) {
        this.document = document;
    }

    /**
     * Returns the output of this transcoder as a document or null if
     * none was supplied.
     */
    public Document getDocument() {
        return document;
    }

    /**
     * Sets the output of this transcoder output with the specified URI.
     * @param uri the URI of this transcoder output
     */
    public void setURI(String uri) {
        this.uri = uri;
    }

    /**
     * Returns the output of this transcoder as a URI or null if none
     * was supplied.
     */
    public String getURI() {
        return uri;
    }
}
