001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.juneau.examples.serializer;
018
019import java.awt.image.*;
020import java.io.*;
021
022import javax.imageio.*;
023
024import org.apache.juneau.commons.http.*;
025import org.apache.juneau.marshall.serializer.*;
026
027/**
028 * Example serializer that converts {@link BufferedImage} objects to byte streams.
029 *
030 * <h5 class='section'>See Also:</h5><ul>
031 *    <li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/Marshalling">Marshalling</a>
032 * </ul>
033 */
034@SuppressWarnings({
035   "java:S110" // Inheritance depth acceptable for this class hierarchy
036})
037public class ImageSerializer extends OutputStreamSerializer {
038
039   /**
040    * Constructor with default settings (produces image/png and image/jpeg).
041    */
042   public ImageSerializer() {
043      super(create().produces("image/png,image/jpeg"));
044   }
045
046   /**
047    * {@inheritDoc}
048    */
049   @Override
050   public void doWrite(SerializerSession session, SerializerPipe pipe, Object o) throws IOException, SerializeException {
051      var image = (RenderedImage)o;
052      MediaType mediaType = session.getMediaType();
053      try (var os = pipe.getOutputStream()) {
054         ImageIO.write(image, mediaType.getType(), os);
055      }
056   }
057}