org.nanoj.util.beanwriter.util

Class JsonUtil

java.lang.Object

org.nanoj.util.beanwriter.util.JsonUtil

public final class JsonUtil
extends Object

Utility class for JSON operations ( set of static methods )

Author:

Laurent GUERIN

Method Summary

Methods

Modifier and Type	Method and Description
static String	jsonBool(boolean b) Returns JSON literal value the given boolean value
static String	jsonBool(Boolean v) Returns JSON literal value the given boolean object
static String	jsonDate(Date date) There's no predefined format for Date objects in JSON Here, just use a string in ISO format
static String	jsonNumber(Number v) Returns JSON literal value for 'Number' instances (Byte, Short, Integer, Long, Float, Double, BigInteger, BigDecimal)
static String	jsonObjectValue(Object obj) Returns the JSON value of the given object The supported objects are : String, Number, Boolean, Date (util/sql), Time, Timestamp, Character, StringBuffer
static String	jsonString(String sStdString) Convert "Standard Java String" to "JSON String value" A String value in JSON is just the string itself between quotes, with special characters protection ( \x )

Methods inherited from class java.lang.Object

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

Method Detail

jsonString

public static String jsonString(String sStdString)

Convert "Standard Java String" to "JSON String value"
A String value in JSON is just the string itself between quotes,
with special characters protection ( \x )

Parameters:

sStdString - :

Returns:

the JSON value

jsonDate

public static String jsonDate(Date date)

There's no predefined format for Date objects in JSON
Here, just use a string in ISO format

Parameters:

date -

Returns:

the JSON value

jsonBool

public static String jsonBool(boolean b)

Returns JSON literal value the given boolean value

Parameters:

b -

Returns:

"true" or "false" ( without quotes )

jsonBool

public static String jsonBool(Boolean v)

Returns JSON literal value the given boolean object

Parameters:

v -

Returns:

"true" or "false" ( without quotes ) or "null" if null

jsonNumber

public static String jsonNumber(Number v)

Returns JSON literal value for 'Number' instances (Byte, Short, Integer, Long, Float, Double, BigInteger, BigDecimal)

Parameters:

v -

Returns:

the value as is ( without quotes ) or "null" if null

jsonObjectValue

public static String jsonObjectValue(Object obj)

Returns the JSON value of the given object
The supported objects are : String, Number, Boolean, Date (util/sql), Time, Timestamp, Character, StringBuffer

Parameters:

obj -

Returns:

the JSON value ( ie : "abc", true, 123, "2012-01-24", null, etc... )

Throws:

RuntimeException - if the given object is an instance of an unsupported class