edu.umd.cloud9.io
Class JSONObjectWritable

java.lang.Object
  org.json.JSONObject
      edu.umd.cloud9.io.JSONObjectWritable

All Implemented Interfaces:

Writable

Direct Known Subclasses:

BigramRelativeFrequencyJSON.MyTuple, DemoWordCountJSON.MyKey

public class JSONObjectWritable
extends JSONObject
implements Writable

Writable representing a JSON Object.

Author:

Jimmy Lin

Field Summary

Fields inherited from class org.json.JSONObject

NULL

Constructor Summary

JSONObjectWritable()
Creates an empty JSONWritableObject.

JSONObjectWritable(String s)
Creates a JSONWritableObject with an initial value.

Method Summary

void	clear()
boolean	getBooleanUnchecked(String key)
double	getDoubleUnchecked(String key)
int	getIntUnchecked(String key)
long	getLongUnchecked(String key)
String	getStringUnchecked(String key)
void	readFields(DataInput in) Deserializes the JSON object.
void	readJSONObject(String s) Deserializes a JSON object from a string representation.
void	write(DataOutput out) Serializes this JSON object.

Methods inherited from class org.json.JSONObject

accumulate, append, doubleToString, get, getBoolean, getDouble, getInt, getJSONArray, getJSONObject, getLong, getNames, getNames, getString, has, isNull, keys, length, names, numberToString, opt, optBoolean, optBoolean, optDouble, optDouble, optInt, optInt, optJSONArray, optJSONObject, optLong, optLong, optString, optString, put, put, put, put, put, put, put, putOpt, quote, remove, sortedKeys, toJSONArray, toString, toString, write

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

JSONObjectWritable

public JSONObjectWritable()

Creates an empty JSONWritableObject.

JSONObjectWritable

public JSONObjectWritable(String s)
                   throws JSONException

Creates a JSONWritableObject with an initial value.

Throws:

JSONException

Method Detail

readFields

public void readFields(DataInput in)
                throws IOException

Deserializes the JSON object.

Specified by:

readFields in interface Writable

Parameters:

in - source for raw byte representation

Throws:

IOException

readJSONObject

public void readJSONObject(String s)

Deserializes a JSON object from a string representation.

Parameters:

s - string representation of the JSON object

write

public void write(DataOutput out)
           throws IOException

Serializes this JSON object.

Specified by:

write in interface Writable

Parameters:

out - where to write the raw byte representation

Throws:

IOException

getBooleanUnchecked

public boolean getBooleanUnchecked(String key)
                            throws JSONException

Throws:

JSONException

getDoubleUnchecked

public double getDoubleUnchecked(String key)
                          throws JSONException

Throws:

JSONException

getIntUnchecked

public int getIntUnchecked(String key)
                    throws JSONException

Throws:

JSONException

getLongUnchecked

public long getLongUnchecked(String key)
                      throws JSONException

Throws:

JSONException

getStringUnchecked

public String getStringUnchecked(String key)
                          throws JSONException

Throws:

JSONException

clear

public void clear()