1 /**
2 * Copyright (c) 2011, The University of Southampton and the individual contributors.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * * Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * * Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * * Neither the name of the University of Southampton nor the names of its
16 * contributors may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 package org.openimaj.tools.imagecollection.metamapper;
31
32 import java.io.File;
33 import java.io.FileNotFoundException;
34 import java.io.FileOutputStream;
35 import java.io.PrintWriter;
36
37 import org.openimaj.tools.imagecollection.collection.ImageCollectionEntry;
38 import org.openimaj.tools.imagecollection.utils.MetaMapUtils;
39
40 public class FileMetaMapper extends MetaMapper{
41 private File metaOutputFile;
42 private PrintWriter metaWriter;
43 public FileMetaMapper(File metaOutputFile) throws FileNotFoundException{
44 this.metaOutputFile = metaOutputFile;
45 }
46
47 @Override
48 public void start() throws FileNotFoundException{
49 this.metaWriter = new PrintWriter(new FileOutputStream(metaOutputFile),true);
50 }
51
52 @Override
53 public void mapItem(String name, ImageCollectionEntry<?> entry) {
54 String jsonString = MetaMapUtils.metaAsJson(entry.meta);
55 metaWriter.println(String.format("%s: %s",name,jsonString));
56 }
57
58 @Override
59 public void end() throws FileNotFoundException{
60 this.metaWriter.flush();
61 this.metaWriter.close();
62 }
63 }