KKKK

import groovy.json.JsonBuilder
import groovy.json.JsonSlurper


def content = """
{
  "Baseline":  {
                    "deploymentType":"HA",
                    "operationalPolicy":"STANDARD",
                    "releaseVersion":"11.13.18.02.0",
                    "payloadXMLPath":"/net/slc03wli/scratch/aime/fa_prov/LCM03/create/ERP_S0_TASpayload.xml",
                    "faOVMDeployZip":"",
                    "snapshotName":"MAIN_STARTER_FAOVM_171213.2120S_snap",
                    "MCLITE_TOOL_LOC":"faovmfarmrel13E2EM7",
                    "FALCMCMDTOOLS_LOC":"/net/slcnas699/export/fa_ovm_farm_mcollective/SaasOVMPatchingAutomation/M7DevDrop/e2e-rel-generic.zip",
                    "SIZE":"small",
                    "P2T_SNAPSHOT_ZIP_LOC":"/net/slcnas699/export/fa_ovm_farm_mcollective/SaasOVMPatchingAutomation/REL13/P2T_SNAPSHOT_ZIP/p25642845_1112100_Fusion_Linux-x86-64.zip",
                    "GRP_SCRIPT_ZIP_LOC":"/net/slcnas699/export/fa_ovm_farm_mcollective/SaasOVMPatchingAutomation/REL13/GRP/p25645794_1112100_Fusion_Linux-x86-64.zip",
                    "SMARTCLONE_BIN_ZIP_LOCATION":"/net/slcnas699/export/fa_ovm_farm_mcollective/SaasOVMPatchingAutomation/SmartCloneLat/preupg/ruplite-smartClone.zip",
                    "OJVM_ZIP_LOC":"/net/slcnas699/export/fa_ovm_farm_mcollective/SaasOVMPatchingAutomation/OJVM/p23341410_1112100_Fusion_GENERIC.zip",
                    "FEEDBACK_UTIL_ZIP":"",
                    "HC_OVERRIDE_21548464":"/net/slcnas699/export/fa_ovm_farm_mcollective/SaasOVMPatchingAutomation/HC_OVERRIDE/p21548464_1113000_Fusion_GENERIC.zip",
                    "HC_OVERRIDE_22346904":"/net/slcnas699/export/fa_ovm_farm_mcollective/SaasOVMPatchingAutomation/HC_OVERRIDE/p22346904_1111110_Fusion_GENERIC.zip",
                    "SHARED_LOCATION":"/fsnadmin/LCMQE_AUTOMATION/e2e/M7DevDrop_PIPELINE",
                    "OMS_PWD":"",
                    "P4FA_LOCATION":"/fsnadmin/P4FA-PIPELINE/PATCHES4FA_11.13.17.11.0PATCH_PLATFORMS.rdd/171101.1836.S/patches4fa/dist",
                    "DEBUG": "true",
                    "FAINTEG_LABEL": "FAINTEG_MAIN_PLATFORMS_171213.2120",
                    "L2_DEPLOYER_TEMPLATE_PATH":"slcnas699.us.oracle.com:/export/sdiqa/MAIN_STARTER_FAOVM_171213.2120S",
                    "L3_DEPLOYER_TEMPLATE_PATH":"slcnas645.us.oracle.com:/export/fa_templates/MAIN_STARTER_FAOVM_171213.2120S",
                    "L3_POOL": "DR_POOL",
                    "L3_TAG": "L3_PROV_PROD",
                    "FAOVM_ARTIFACT":"oracle-ovmautomation-all-11.13.17.11.1058-MAIN.zip",
                    "DAYN_ARTIFACT":"oracle-ovmautomation-all-dayNtools-11.13.17.11.1525-11.13.17.11.1.zip"
        }
}
"""

def slurped = new JsonSlurper().parseText(content)
def builder = new JsonBuilder(slurped)

String input = "Baseline:releaseVersion=11.13.18.09.0,Baseline:SIZE=large"
def props = input.tokenize( ',' )
for (String prop : props)
{
    def (key, value) = prop.tokenize( '=' )
    def keylist = key.tokenize( ':' )
    def n = keylist.size();

    if(n == 1)
    {
        builder.content.put(keylist[0],value)
    }
    else if (n == 2)
    {
        if(builder.content.containsKey(keylist[0]))
        {
            builder.content.get(keylist[0]).put(keylist[1],value)
        }
        else
        {
            def mystr = """{
                         "${keylist[1]}" : "${value}"
                    }"""
                    
            def myslurp = new JsonSlurper().parseText(mystr)
            def mybuild = new JsonBuilder(myslurp)
        
            builder.content.put(keylist[0],mybuild)
        }
    }
}
println(builder.toPrettyString())