| /* |
| |
| 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.ext.awt.image.spi; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.apache.batik.util.Service; |
| |
| /** |
| * |
| * @version $Id$ |
| */ |
| public final class ImageWriterRegistry { |
| |
| private static ImageWriterRegistry instance; |
| |
| private final Map imageWriterMap = new HashMap(); |
| |
| private ImageWriterRegistry() { |
| setup(); |
| } |
| |
| public static ImageWriterRegistry getInstance() { |
| synchronized( ImageWriterRegistry.class ){ |
| if ( instance == null ){ |
| instance = new ImageWriterRegistry(); |
| } |
| return instance; |
| } |
| } |
| |
| private void setup() { |
| Iterator iter = Service.providers(ImageWriter.class); |
| while (iter.hasNext()) { |
| ImageWriter writer = (ImageWriter)iter.next(); |
| // System.out.println("RE: " + writer); |
| register(writer); |
| } |
| } |
| |
| public void register(ImageWriter writer) { |
| imageWriterMap.put(writer.getMIMEType(), writer); |
| } |
| |
| /** |
| * get the ImageWriter registered for mime, or null. |
| * @param mime used for lookup |
| * @return the registered ImageWriter (maybe null) |
| */ |
| public ImageWriter getWriterFor(String mime) { |
| return (ImageWriter)imageWriterMap.get(mime); |
| } |
| |
| } |