Coverage Report
File JSONObject.java
Coverage histogram
52% of files have more coverage
Classes
| Class | Line # | Actions | |||
|---|---|---|---|---|---|
| JSONObject | 19 | 36 | 14 |
Contributing tests
This file is covered by 20 tests.
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Source view
| 1 | /* | |
| 2 | * $Id: JSONObject.java,v 1.1 2006/04/15 14:10:48 platform Exp $ | |
| 3 | * Created on 2006-4-10 | |
| 4 | */ | |
| 5 | package org.json.simple; | |
| 6 | ||
| 7 | import java.io.IOException; | |
| 8 | import java.io.StringWriter; | |
| 9 | import java.io.Writer; | |
| 10 | import java.util.HashMap; | |
| 11 | import java.util.Iterator; | |
| 12 | import java.util.Map; | |
| 13 | ||
| 14 | /** | |
| 15 | * A JSON object. Key value pairs are unordered. JSONObject supports java.util.Map interface. | |
| 16 | * | |
| 17 | * @author FangYidong<fangyidong@yahoo.com.cn> | |
| 18 | */ | |
| 19 | public class JSONObject extends HashMap implements Map, JSONAware, JSONStreamAware{ | |
| 20 | ||
| 21 | private static final long serialVersionUID = -503443796854799292L; | |
| 22 | ||
| 23 | ||
| 24 | 11191 |  public JSONObject() { |
| 25 | 11191 | super(); |
| 26 | } | |
| 27 | ||
| 28 | /** | |
| 29 | * Allows creation of a JSONObject from a Map. After that, both the | |
| 30 | * generated JSONObject and the Map can be modified independently. | |
| 31 | * | |
| 32 | * @param map | |
| 33 | */ | |
| 34 | 0 | public JSONObject(Map map) { |
| 35 | 0 | super(map); |
| 36 | } | |
| 37 | ||
| 38 | ||
| 39 | /** | |
| 40 | * Encode a map into JSON text and write it to out. | |
| 41 | * If this map is also a JSONAware or JSONStreamAware, JSONAware or JSONStreamAware specific behaviours will be ignored at this top level. | |
| 42 | * | |
| 43 | * @see org.json.simple.JSONValue#writeJSONString(Object, Writer) | |
| 44 | * | |
| 45 | * @param map | |
| 46 | * @param out | |
| 47 | */ | |
| 48 | 0 | public static void writeJSONString(Map map, Writer out) throws IOException { |
| 49 | 0 | if(map == null){ |
| 50 | 0 | out.write("null"); |
| 51 | 0 | return; |
| 52 | } | |
| 53 | ||
| 54 | 0 | boolean first = true; |
| 55 | 0 | Iterator iter=map.entrySet().iterator(); |
| 56 | ||
| 57 | 0 | out.write('{'); |
| 58 | 0 | while(iter.hasNext()){ |
| 59 | 0 | if(first) |
| 60 | 0 | first = false; |
| 61 | else | |
| 62 | 0 | out.write(','); |
| 63 | 0 | Map.Entry entry=(Map.Entry)iter.next(); |
| 64 | 0 | out.write('\"'); |
| 65 | 0 | out.write(escape(String.valueOf(entry.getKey()))); |
| 66 | 0 | out.write('\"'); |
| 67 | 0 | out.write(':'); |
| 68 | 0 | JSONValue.writeJSONString(entry.getValue(), out); |
| 69 | } | |
| 70 | 0 | out.write('}'); |
| 71 | } | |
| 72 | ||
| 73 | 0 | public void writeJSONString(Writer out) throws IOException{ |
| 74 | 0 | writeJSONString(this, out); |
| 75 | } | |
| 76 | ||
| 77 | /** | |
| 78 | * Convert a map to JSON text. The result is a JSON object. | |
| 79 | * If this map is also a JSONAware, JSONAware specific behaviours will be omitted at this top level. | |
| 80 | * | |
| 81 | * @see org.json.simple.JSONValue#toJSONString(Object) | |
| 82 | * | |
| 83 | * @param map | |
| 84 | * @return JSON text, or "null" if map is null. | |
| 85 | */ | |
| 86 | 0 | public static String toJSONString(Map map){ |
| 87 | 0 | final StringWriter writer = new StringWriter(); |
| 88 | ||
| 89 | 0 | try { |
| 90 | 0 | writeJSONString(map, writer); |
| 91 | 0 | return writer.toString(); |
| 92 | } catch (IOException e) { | |
| 93 | // This should never happen with a StringWriter | |
| 94 | 0 | throw new RuntimeException(e); |
| 95 | } | |
| 96 | } | |
| 97 | ||
| 98 | 0 | public String toJSONString(){ |
| 99 | 0 | return toJSONString(this); |
| 100 | } | |
| 101 | ||
| 102 | 0 | public String toString(){ |
| 103 | 0 | return toJSONString(); |
| 104 | } | |
| 105 | ||
| 106 | 0 | public static String toString(String key,Object value){ |
| 107 | 0 | StringBuffer sb = new StringBuffer(); |
| 108 | 0 | sb.append('\"'); |
| 109 | 0 | if(key == null) |
| 110 | 0 | sb.append("null"); |
| 111 | else | |
| 112 | 0 | JSONValue.escape(key, sb); |
| 113 | 0 | sb.append('\"').append(':'); |
| 114 | ||
| 115 | 0 | sb.append(JSONValue.toJSONString(value)); |
| 116 | ||
| 117 | 0 | return sb.toString(); |
| 118 | } | |
| 119 | ||
| 120 | /** | |
| 121 | * Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F). | |
| 122 | * It's the same as JSONValue.escape() only for compatibility here. | |
| 123 | * | |
| 124 | * @see org.json.simple.JSONValue#escape(String) | |
| 125 | * | |
| 126 | * @param s | |
| 127 | * @return | |
| 128 | */ | |
| 129 | 0 | public static String escape(String s){ |
| 130 | 0 | return JSONValue.escape(s); |
| 131 | } | |
| 132 | } |