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Modified version of xerces for the Enhydra XMLC compiler.
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/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 1999 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 "Xerces" 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 [email protected].
 *
 * 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) 1999, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * .
 */


package org.enhydra.apache.xml.serialize;


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


/**
 * Default serializer factory can construct serializers for the three
 * markup serializers (XML, HTML, XHTML ).
 *
 *
 * @version $Revision: 1.2 $ $Date: 2005/01/26 08:28:45 $
 * @author Scott Boag
 * @author Assaf Arkin
 */
final class SerializerFactoryImpl
    extends SerializerFactory
{


    private String _method;
    
    
    SerializerFactoryImpl( String method )
    {
        _method = method;
        if ( ! _method.equals( Method.XML ) &&
             ! _method.equals( Method.HTML ) &&
             ! _method.equals( Method.XHTML ) &&
             ! _method.equals( Method.TEXT ) )
            throw new IllegalArgumentException( "SER004 The method '" + method + "' is not supported by this factory\n" + method);
    }


    public Serializer makeSerializer( OutputFormat format )
    {
        Serializer serializer;
        
        serializer = getSerializer( format );
        serializer.setOutputFormat( format );
        return serializer;
    }
    
    
    
    public Serializer makeSerializer( Writer writer,
                                      OutputFormat format )
    {
        Serializer serializer;
        
        serializer = getSerializer( format );
        serializer.setOutputCharStream( writer );
        return serializer;
    }
    
    
    public Serializer makeSerializer( OutputStream output,
                                      OutputFormat format )
        throws UnsupportedEncodingException
    {
        Serializer serializer;
        
        serializer = getSerializer( format );
        serializer.setOutputByteStream( output );
        return serializer;
    }
    
    
    private Serializer getSerializer( OutputFormat format )
    {
        if ( _method.equals( Method.XML ) ) {
            return new XMLSerializer( format );
        } else if ( _method.equals( Method.HTML ) ) {
            return new HTMLSerializer( format );
        }  else if ( _method.equals( Method.XHTML ) ) {
            return new XHTMLSerializer( format );
        }  else if ( _method.equals( Method.TEXT ) ) {
            return new TextSerializer();
        } else {
            throw new IllegalStateException( "SER005 The method '" + _method + "' is not supported by this factory\n" + _method);
        }
    }
    
    
    protected String getSupportedMethod()
    {
        return _method;
    }


}