Beispiel #1
0
 /**
  * Append values to the array under a key. If the key does not exist in the JSONObject, then the
  * key is put in the JSONObject with its value being a JSONArray containing the value parameter.
  * If the key was already associated with a JSONArray, then the value parameter is appended to it.
  *
  * @param key A key string.
  * @param value An object to be accumulated under the key.
  * @return this.
  * @throws JSONException If the key is null or if the current value associated with the key is not
  *     a JSONArray.
  */
 public JSONObject append(String key, Object value) throws JSONException {
   testValidity(value);
   Object o = opt(key);
   if (o == null) {
     put(key, new JSONArray().put(value));
   } else if (o instanceof JSONArray) {
     put(key, ((JSONArray) o).put(value));
   } else {
     throw new JSONException("JSONObject[" + key + "] is not a JSONArray.");
   }
   return this;
 }
Beispiel #2
0
 /**
  * Accumulate values under a key. It is similar to the put method except that if there is already
  * an object stored under the key then a JSONArray is stored under the key to hold all of the
  * accumulated values. If there is already a JSONArray, then the new value is appended to it. In
  * contrast, the put method replaces the previous value.
  *
  * @param key A key string.
  * @param value An object to be accumulated under the key.
  * @return this.
  * @throws JSONException If the value is an invalid number or if the key is null.
  */
 public JSONObject accumulate(String key, Object value) throws JSONException {
   testValidity(value);
   Object o = opt(key);
   if (o == null) {
     put(key, value instanceof JSONArray ? new JSONArray().put(value) : value);
   } else if (o instanceof JSONArray) {
     ((JSONArray) o).put(value);
   } else {
     put(key, new JSONArray().put(o).put(value));
   }
   return this;
 }
Beispiel #3
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 /**
  * Put a key/value pair in the JSONObject, but only if the key and the value are both non-null,
  * and only if there is not already a member with that name.
  *
  * @param key
  * @param value
  * @return his.
  * @throws JSONException if the key is a duplicate
  */
 public JSONObject putOnce(String key, Object value) throws JSONException {
   if (key != null && value != null) {
     if (opt(key) != null) {
       throw new JSONException("Duplicate key \"" + key + "\"");
     }
     put(key, value);
   }
   return this;
 }
Beispiel #4
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 /**
  * Increment a property of a JSONObject. If there is no such property, create one with a value of
  * 1. If there is such a property, and if it is an Integer, Long, Double, or Float, then add one
  * to it.
  *
  * @param key A key string.
  * @return this.
  * @throws JSONException If there is already a property with this name that is not an Integer,
  *     Long, Double, or Float.
  */
 public JSONObject increment(String key) throws JSONException {
   Object value = opt(key);
   if (value == null) {
     put(key, 1);
   } else {
     if (value instanceof Integer) {
       put(key, ((Integer) value).intValue() + 1);
     } else if (value instanceof Long) {
       put(key, ((Long) value).longValue() + 1);
     } else if (value instanceof Double) {
       put(key, ((Double) value).doubleValue() + 1);
     } else if (value instanceof Float) {
       put(key, ((Float) value).floatValue() + 1);
     } else {
       throw new JSONException("Unable to increment [" + key + "].");
     }
   }
   return this;
 }
Beispiel #5
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 /**
  * Put a key/value pair in the JSONObject, but only if the key and the value are both non-null.
  *
  * @param key A key string.
  * @param value An object which is the value. It should be of one of these types: Boolean, Double,
  *     Integer, JSONArray, JSONObject, Long, String, or the JSONObject.NULL object.
  * @return this.
  * @throws JSONException If the value is a non-finite number.
  */
 public JSONObject putOpt(String key, Object value) throws JSONException {
   if (key != null && value != null) {
     put(key, value);
   }
   return this;
 }
Beispiel #6
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 /**
  * Put a key/value pair in the JSONObject, where the value will be a JSONObject which is produced
  * from a Map.
  *
  * @param key A key string.
  * @param value A Map value.
  * @return this.
  * @throws JSONException
  */
 public JSONObject put(String key, Map value) throws JSONException {
   put(key, new JSONObject(value));
   return this;
 }
Beispiel #7
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 /**
  * Put a key/long pair in the JSONObject.
  *
  * @param key A key string.
  * @param value A long which is the value.
  * @return this.
  * @throws JSONException If the key is null.
  */
 public JSONObject put(String key, long value) throws JSONException {
   put(key, new Long(value));
   return this;
 }
Beispiel #8
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 /**
  * Put a key/int pair in the JSONObject.
  *
  * @param key A key string.
  * @param value An int which is the value.
  * @return this.
  * @throws JSONException If the key is null.
  */
 public JSONObject put(String key, int value) throws JSONException {
   put(key, new Integer(value));
   return this;
 }
Beispiel #9
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 /**
  * Put a key/double pair in the JSONObject.
  *
  * @param key A key string.
  * @param value A double which is the value.
  * @return this.
  * @throws JSONException If the key is null or if the number is invalid.
  */
 public JSONObject put(String key, double value) throws JSONException {
   put(key, new Double(value));
   return this;
 }
Beispiel #10
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 /**
  * Put a key/value pair in the JSONObject, where the value will be a JSONArray which is produced
  * from a Collection.
  *
  * @param key A key string.
  * @param value A Collection value.
  * @return this.
  * @throws JSONException
  */
 public JSONObject put(String key, Collection value) throws JSONException {
   put(key, new JSONArray(value));
   return this;
 }
Beispiel #11
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 /**
  * Put a key/boolean pair in the JSONObject.
  *
  * @param key A key string.
  * @param value A boolean which is the value.
  * @return this.
  * @throws JSONException If the key is null.
  */
 public JSONObject put(String key, boolean value) throws JSONException {
   put(key, value ? Boolean.TRUE : Boolean.FALSE);
   return this;
 }