com.ibm.commons.util.io.json
Class JsonParser

java.lang.Object
  com.ibm.commons.util.io.json.JsonParser

public class JsonParser
extends java.lang.Object

JSON parser.

This class provides some methods for generating parsing JSON text and create objects out of it. It uses a factory to deal with the actual object classes.

Nested Class Summary

static interface

JsonParser.ParseCallback Callback when a stream of json entries is parsed

Constructor Summary

JsonParser()

Method Summary

static java.lang.Object	fromJson(JsonFactory factory, java.io.Reader reader) Parse a JSON stream and return an object.
static void	fromJson(JsonFactory factory, java.io.Reader reader, JsonParser.ParseCallback cb) Parse a JSON stream and call a function for each entry.
static void	fromJson(JsonFactory factory, java.io.Reader reader, java.util.List<java.lang.Object> list) Parse a JSON stream and add all the entries to a list.
static java.lang.Object	fromJson(JsonFactory factory, java.lang.String json) Parse a JSON text and return an object.
static boolean	isJson(java.lang.String json) Check if a string a a valid JSON text.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonParser

public JsonParser()

Method Detail

isJson

public static boolean isJson(java.lang.String json)

Check if a string a a valid JSON text.

Parameters:

json - the JSON text to check

Returns:

true if the string is a JSON object

Throws:

JsonException

fromJson

public static java.lang.Object fromJson(JsonFactory factory,
                                        java.lang.String json)
                                 throws JsonException

Parse a JSON text and return an object.

Parameters:

factory - the object factory

json - the JSON text

Returns:

the object created from the JSON text

Throws:

JsonException

fromJson

public static java.lang.Object fromJson(JsonFactory factory,
                                        java.io.Reader reader)
                                 throws JsonException

Parse a JSON stream and return an object.

Parameters:

factory - the object factory

reader - the JSON stream

Returns:

the object created from the JSON text

Throws:

JsonException

fromJson

public static void fromJson(JsonFactory factory,
                            java.io.Reader reader,
                            java.util.List<java.lang.Object> list)
                     throws JsonException

Parse a JSON stream and add all the entries to a list.

Parameters:

factory - the object factory

reader - the JSON stream

cb - the cllback to call for each entry

Throws:

JsonException

fromJson

public static void fromJson(JsonFactory factory,
                            java.io.Reader reader,
                            JsonParser.ParseCallback cb)
                     throws JsonException

Parse a JSON stream and call a function for each entry.

Parameters:

factory - the object factory

reader - the JSON stream

cb - the cllback to call for each entry

Throws:

JsonException