| /* |
| * 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 "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) 1999, Lotus |
| * Development Corporation., http://www.lotus.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.xalan.serialize; |
| |
| import javax.xml.transform.OutputKeys; |
| |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| import java.util.Properties; |
| import java.util.StringTokenizer; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.apache.xalan.templates.OutputProperties; |
| import org.apache.xml.utils.WrappedRuntimeException; |
| |
| /** |
| * Factory for creating serializers. |
| */ |
| public abstract class SerializerFactory |
| { |
| |
| /* |
| * Associates output methods to serializer classes. |
| * (Don't use this right now. -sb |
| */ |
| |
| // private static Hashtable _serializers = new Hashtable(); |
| |
| /** |
| * Associates output methods to default output formats. |
| */ |
| private static Hashtable _formats = new Hashtable(); |
| |
| /** |
| * Returns a serializer for the specified output method. Returns |
| * null if no implementation exists that supports the specified |
| * output method. For a list of the default output methods see |
| * {@link Method}. |
| * |
| * @param format The output format |
| * @return A suitable serializer, or null |
| */ |
| public static Serializer getSerializer(Properties format) |
| { |
| |
| Serializer ser = null; |
| |
| try |
| { |
| Class cls; |
| String method = format.getProperty(OutputKeys.METHOD); |
| |
| if (method == null) |
| throw new IllegalArgumentException( |
| "The output format has not method name"); |
| |
| cls = null; // (Class)_serializers.get(method); |
| |
| if (cls == null) |
| { |
| String className = |
| format.getProperty(OutputProperties.S_KEY_CONTENT_HANDLER); |
| |
| if (null == className) |
| { |
| throw new IllegalArgumentException( |
| "The output format must have a '" |
| + OutputProperties.S_KEY_CONTENT_HANDLER + "' property!"); |
| } |
| |
| cls = Class.forName(className); |
| |
| // _serializers.put(method, cls); |
| } |
| |
| ser = (Serializer) cls.newInstance(); |
| |
| ser.setOutputFormat(format); |
| } |
| catch (Exception e) |
| { |
| throw new org.apache.xml.utils.WrappedRuntimeException(e); |
| } |
| |
| return ser; |
| } |
| } |