org.apache.hcatalog.templeton
Class JsonBuilder

Object
  JsonBuilder

public class JsonBuilder
extends Object

Helper class to build new json objects with new top level properties. Only add non-null entries.

Method Summary

Response	build() Turn the map back to response object.
String	buildJson() Turn the map back to json.
Response	buildResponse() Turn the map back to response object.
Response	buildResponse(int status) Turn the map back to response object.
static JsonBuilder	create() Create a new map object.
static JsonBuilder	create(String json) Create a new map object from the existing json.
static JsonBuilder	createError(String msg, int code) Create a new map error object.
Map	getMap() Get the underlying map.
static boolean	isError(Map obj) Check if this is an error doc.
boolean	isset() Is the object non-empty?
static Map	jsonToMap(String json) Convert a json string to a Map.
static String	mapToJson(Object obj) Convert a map to a json string.
JsonBuilder	put(String name, Object val) Add a non-null value to the map.
JsonBuilder	remove(String name) Remove a value from the map.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

create

public static JsonBuilder create(String json)
                          throws IOException

Create a new map object from the existing json.

Throws:

IOException

create

public static JsonBuilder create()
                          throws IOException

Create a new map object.

Throws:

IOException

createError

public static JsonBuilder createError(String msg,
                                      int code)
                               throws IOException

Create a new map error object.

Throws:

IOException

put

public JsonBuilder put(String name,
                       Object val)

Add a non-null value to the map.

remove

public JsonBuilder remove(String name)

Remove a value from the map.

getMap

public Map getMap()

Get the underlying map.

build

public Response build()

Turn the map back to response object.

buildJson

public String buildJson()
                 throws IOException

Turn the map back to json.

Throws:

IOException

buildResponse

public Response buildResponse()

Turn the map back to response object.

buildResponse

public Response buildResponse(int status)

Turn the map back to response object.

isset

public boolean isset()

Is the object non-empty?

isError

public static boolean isError(Map obj)

Check if this is an error doc.

jsonToMap

public static Map jsonToMap(String json)
                     throws IOException

Convert a json string to a Map.

Throws:

IOException

mapToJson

public static String mapToJson(Object obj)
                        throws IOException

Convert a map to a json string.

Throws:

IOException