Samar's Blog: Java Server Side Templating using Mustache.

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

import com.samskivert.mustache.Mustache;

import com.samskivert.mustache.Template;

/**

 * Simple java server side templating

 * @author Samar Aarkotti

*

*/

public class Sample {

 public static void main(String[] args) {

  String template = "{\"products\": \"iPhone\"}";

  String text = "How do I get my {{products}} serviced?";

  Template tmpl = Mustache.compiler().compile(text);

  try {

   JSONObject jsonObj = new JSONObject(template);

   Map<String,Object> map = getTemplateFromJson(jsonObj);

   System.out.println(tmpl.execute(map));

  } catch (JSONException e) {

   e.printStackTrace();

}

}

 private static Map<String, Object> getTemplateFromJson(JSONObject json) throws JSONException {

     Map<String,Object> out = new HashMap<String,Object>();

     Iterator<?> it = json.keys(); 

     while (it.hasNext()) {

         String key = (String)it.next();

         if (json.get(key) instanceof JSONArray) {

             // Copy an array

             JSONArray arrayIn = json.getJSONArray(key);

             List<Object> arrayOut = new ArrayList<Object>();

             for (int i = 0; i < arrayIn.length(); i++) {

                 JSONObject item = (JSONObject)arrayIn.get(i);

                 Map<String, Object> items = getTemplateFromJson(item);

                 arrayOut.add(items);

}

             out.put(key, arrayOut);

}

         else {

             // Copy a primitive string

             out.put(key, json.getString(key));

}

}

     return out;

}

}

Expected Output : How do I get my iPhone serviced?

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