Package org.imixs.workflow.util

Class JSONParser

java.lang.Object

org.imixs.workflow.util.JSONParser

public class JSONParser
extends Object

The JSONParser is an utility class to parse JSON structures. The parser provides methods to transfer a Imixs JSON structure into a Imixs ItemCollection as well as helper methods to extract single values from a JSON structure.

The method parseWorkitem translates a JSON structure containing a Imixs Document into a ItemCollection.

Author:

rsoika

Constructor Summary

Constructors

Constructor	Description
JSONParser()

Method Summary

Modifier and Type	Method	Description
static String	getKey(String key, String json)	This method extracts a single key from a JSON structure.
static ItemCollection	parseWorkitem(InputStream requestBodyStream, String _encoding)	Deprecated.

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

getKey

public static String getKey(String key,
                            String json)

This method extracts a single key from a JSON structure. It does not matter where the key is defined within the JSON structure. The method simply returns the first match.

It is also possible to get a JSON object or an JSON array embedded in the given JSON structure. This object can be parsed again with this method.

Parameters:

key -

json -

Returns:

- the json value or the json object for the corresponding json key

parseWorkitem

@Deprecated
public static final ItemCollection parseWorkitem(InputStream requestBodyStream,
                                                 String _encoding)
                                          throws ParseException,
                                                 UnsupportedEncodingException

Deprecated.

This method parses an Imixs JSON input stream and returns a Imixs ItemCollection. Example: { "item":[ {"name":"$isauthor","value":{"@type":"xs:boolean","$":"true"}}, {"name":"$readaccess","value":{"@type":"xs:string","$":"Anna"}}, {"name":"txtmessage","value":{"@type":"xs:string","$":"worklist"}}, {"name":"txtlog","value":[ {"@type":"xs:string","$":"A"}, {"@type":"xs:string","$":"B"}, {"@type":"xs:string","$":"C"}] }, {"name":"$activityid","value":{"@type":"xs:int","$":"0"}} ] }

Parameters:

requestBodyStream -

encoding - - default encoding use to parse the stream

Returns:

a workitem

Throws:

ParseException

UnsupportedEncodingException