RXS_ComposeJsonString()

This subprocedure is used to add a JSON string element to a parent JSON Object or Array.

Subprocedure Prototype

D JSON_ComposeJsonString...
D                 PR                  Extproc('JSON_ComposeJsonString')
D                                     Opdesc
 
D  pName                              Const Like(RXS_Var64Kv_t)
D                                     Options(*Omit:*Varsize)

Name to assign to JSON string data element. If being added to an array, the value of this parameter should be *OMIT.

D  pInput                             Like(RXS_Var16Mv_t) Const
D                                     Options(*Omit:*Varsize)

Data to assign to JSON string data element.

D  pStructureDS                       Const LikeDS(RXS_JsonStructureDS_t)
D                                     Options(*Varsize)

RXS_JsonStructureDS_t data structure containing a parent JSON Object or Json Array.

Example Code


*-------------------------------------------------------------- * This example creates a simple JSON object, adds a string data * field to it, retrieves the created JSON, and then calls * RXS_DestroyJson() to clean up. *-------------------------------------------------------------- H DFTACTGRP(*NO) BNDDIR('RXSBND') ACTGRP(*CALLER) /copy QRPGLECPY,RXSCB D JSON S Like(RXS_Var64Kv_t) D CreateJsonDS DS LikeDS(RXS_CreateJsonDS_t) D RootDS DS LikeDS(RXS_JsonStructureDS_t) /free RXS_ResetDS( CreateJsonDS : RXS_DS_TYPE_CREATEJSON ); RXS_ResetDS( RootDS : RXS_DS_TYPE_JSONSTRUCTURE ); CreateJsonDS.JsonStructureType = RXS_JSON_STRUCTURE_OBJECT; RootDS = RXS_CreateJson( CreateJsonDS ); RXS_ComposeJsonString( 'hello' : 'world' : RootDS ); JSON = RXS_GetJsonString( CreateJsonDS ); // JSON looks like: // // {"hello":"world"} RXS_DestroyJson( CreateJsonDS ); *INLR = *ON; /end-free

*-------------------------------------------------------------- * This example creates a simple JSON object, adds 5 string data * fields to it, retrieves the created JSON, and then calls * RXS_DestroyJson() to clean up. *-------------------------------------------------------------- H DFTACTGRP(*NO) BNDDIR('RXSBND') ACTGRP(*CALLER) /copy QRPGLECPY,RXSCB D JSON S Like(RXS_Var64Kv_t) D CreateJsonDS DS LikeDS(RXS_CreateJsonDS_t) D RootDS DS LikeDS(RXS_JsonStructureDS_t) D i S 3U 0 /free RXS_ResetDS( CreateJsonDS : RXS_DS_TYPE_CREATEJSON ); RXS_ResetDS( RootDS : RXS_DS_TYPE_JSONSTRUCTURE ); CreateJsonDS.JsonStructureType = RXS_JSON_STRUCTURE_ARRAY; RootDS = RXS_CreateJson( CreateJsonDS ); for i = 1 to 5; RXS_ComposeJsonString( *OMIT : %Char(i) : RootDS ); endfor; JSON = RXS_GetJsonString( CreateJsonDS ); // JSON looks like: // // ["1","2","3","4","5"] RXS_DestroyJson( CreateJsonDS ); *INLR = *ON; /end-free

Data Structures

D RXS_JsonStructureDS_t...
D                 DS                  Qualified Template Inz
 
D   ReturnedErrorInfo...
D                                     LikeDS(RXS_ReturnedErrorInfoDS_t) Inz
 
D   DataStructureType...
D                                5I 0 Inz(RXS_DS_TYPE_JSONSTRUCTURE)

Internal use only

D   OnErrorMessageType...
D                                5I 0
 
D   JsonStructureType...
D                                 N   Inz(RXS_JSON_STRUCTURE_OBJECT)

Internal use only

D   JsonStructurePtr...
D                                 *   Inz(*Null)

Internal use only

D   InputCcsid...
D                               10I 0 Inz(RXS_CCSID_JOB)

Specifies the CCSID of the data being passed into the JSON composition subprocedures. Default is job CCSID.

Default Value: RXS_CCSID_JOB

D   OutputCcsid...
D                               10I 0 Inz(RXS_CCSID_JOB)

Specifies the CCSID that the JSON will be output as from RXS_GetJsonString(). Default is job CCSID.

Default Value: RXS_CCSID_JOB