Convert a list to JSON text. The result is a JSON array. @see JSONValue#toJSONString(Object) @return JSON text, or "null" if list is null.
(List<?> list)
| 95 | * @return JSON text, or "null" if list is null. |
| 96 | */ |
| 97 | public static String toJSONString(List<?> list) { |
| 98 | if (list == null) |
| 99 | return "null"; |
| 100 | |
| 101 | boolean first = true; |
| 102 | StringBuffer sb = new StringBuffer(); |
| 103 | Iterator<?> iter = list.iterator(); |
| 104 | |
| 105 | sb.append('['); |
| 106 | while (iter.hasNext()) { |
| 107 | if (first) |
| 108 | first = false; |
| 109 | else |
| 110 | sb.append(','); |
| 111 | |
| 112 | Object value = iter.next(); |
| 113 | if (value == null) { |
| 114 | sb.append("null"); |
| 115 | continue; |
| 116 | } |
| 117 | sb.append(JSONValue.toJSONString(value)); |
| 118 | } |
| 119 | sb.append(']'); |
| 120 | return sb.toString(); |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public String toString() { |