001/** 002 * Copyright (c) 2011, The University of Southampton and the individual contributors. 003 * All rights reserved. 004 * 005 * Redistribution and use in source and binary forms, with or without modification, 006 * are permitted provided that the following conditions are met: 007 * 008 * * Redistributions of source code must retain the above copyright notice, 009 * this list of conditions and the following disclaimer. 010 * 011 * * Redistributions in binary form must reproduce the above copyright notice, 012 * this list of conditions and the following disclaimer in the documentation 013 * and/or other materials provided with the distribution. 014 * 015 * * Neither the name of the University of Southampton nor the names of its 016 * contributors may be used to endorse or promote products derived from this 017 * software without specific prior written permission. 018 * 019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 029 */ 030package org.openimaj.tools.imagecollection.metamapper; 031 032import java.io.File; 033import java.io.FileNotFoundException; 034import java.io.FileOutputStream; 035import java.io.PrintWriter; 036 037import org.openimaj.tools.imagecollection.collection.ImageCollectionEntry; 038import org.openimaj.tools.imagecollection.utils.MetaMapUtils; 039 040public class FileMetaMapper extends MetaMapper{ 041 private File metaOutputFile; 042 private PrintWriter metaWriter; 043 public FileMetaMapper(File metaOutputFile) throws FileNotFoundException{ 044 this.metaOutputFile = metaOutputFile; 045 } 046 047 @Override 048 public void start() throws FileNotFoundException{ 049 this.metaWriter = new PrintWriter(new FileOutputStream(metaOutputFile),true); 050 } 051 052 @Override 053 public void mapItem(String name, ImageCollectionEntry<?> entry) { 054 String jsonString = MetaMapUtils.metaAsJson(entry.meta); 055 metaWriter.println(String.format("%s: %s",name,jsonString)); 056 } 057 058 @Override 059 public void end() throws FileNotFoundException{ 060 this.metaWriter.flush(); 061 this.metaWriter.close(); 062 } 063}