Sending List and Map values to Liferay JSON WebService


If you want to pass a list object or map object to a Liferay JSON WebService use the below code

Sending a List of String and getting it in the ServiceLayer:

Use the below code in the ServiceImpl

public List getList(List list){
       System.out.println("list: "+list);
       return list;
}
      
From browser use the link like below to send the list object

http://localhost:8080/api/jsonws/MyPortlet.myview/get-list/list/["Liferay","WebSphere","SAP"]

And you  can see the output like below


Sending a Map of String,String object and getting it in the ServiceLayer:

Use the below code in the ServiceImpl

public Map getMap(Map map){
       System.out.println(map.size());
       Set keySet = map.keySet();
       Iterator itrtr = keySet.iterator();
       while(itrtr.hasNext()){
              System.out.println(map.get(itrtr.next().toString()));
       }
       return map;
}

From browser use the  below link to send a Map object
http://localhost:8080/api/jsonws/MyPortlet.myview/get-map/map/{"one":"one value","two":"two value"}

The output is displayed like below image



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