001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.examples.parser;
014
015import java.awt.image.*;
016import java.io.*;
017
018import javax.imageio.*;
019
020import org.apache.juneau.*;
021import org.apache.juneau.parser.*;
022
023/**
024 * Example parser that converts byte streams to {@link BufferedImage} objects.
025 *
026 * <h5 class='section'>See Also:</h5><ul>
027 *    <li class='link'><a class="doclink" href="../../../../../index.html#jrs.Marshalling">REST Marshalling</a>
028 * </ul>
029 */
030@SuppressWarnings("javadoc")
031public class ImageParser extends InputStreamParser {
032
033   public ImageParser() {
034      super(create().consumes("image/png,image/jpg"));
035   }
036
037   @Override /* Parser */
038   @SuppressWarnings("unchecked")
039   public <T> T doParse(ParserSession session, ParserPipe pipe, ClassMeta<T> type) throws IOException, ParseException {
040      try (InputStream is = pipe.getInputStream()) {
041         BufferedImage image = ImageIO.read(is);
042         return (T)image;
043      }
044   }
045}