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.collection; 31 32 import java.io.IOException; 33 import java.io.PrintWriter; 34 import java.text.ParseException; 35 import java.util.Scanner; 36 37 import org.openimaj.io.ReadWriteableASCII; 38 39 import com.jayway.jsonpath.JsonPath; 40 41 /** 42 * An ImageCollectionConfig can be written to and read from an ASCII str 43 * @author Sina Samangooei (ss@ecs.soton.ac.uk) 44 * 45 */ 46 public class ImageCollectionConfig implements ReadWriteableASCII{ 47 48 49 private String json; 50 51 public ImageCollectionConfig(){ 52 this.json = "{}"; 53 } 54 55 56 public ImageCollectionConfig(String json) { 57 this.json = json; 58 } 59 60 61 @Override 62 public void readASCII(Scanner in) throws IOException { 63 StringBuilder builder = new StringBuilder(); 64 while(in.hasNextLine())builder.append(in.nextLine()); 65 json = builder.toString(); 66 try { 67 read("$"); 68 } catch (ParseException e) { 69 throw new IOException("Could not validate json"); 70 } 71 } 72 73 @Override 74 public String asciiHeader() { 75 return ""; 76 } 77 78 @Override 79 public void writeASCII(PrintWriter out) throws IOException { 80 out.print(json); 81 } 82 83 // public <T> T read(String path) throws ParseException { 84 // T i = JsonPath.read(this.json, path); 85 // return i; 86 // } 87 public String read(String path) throws ParseException { 88 String i = JsonPath.read(this.json, path); 89 return i; 90 } 91 92 93 public boolean containsValid(String videoTag) { 94 String r; 95 try { 96 r = read(videoTag); 97 } catch (ParseException e) { 98 return false; 99 } 100 return r!=null; 101 } 102 103 104 }