Proposal for a JSON velocity tool

package org.xwiki.velocity.tools;

import net.sf.json.JSON;
import net.sf.json.JSONSerializer;
import net.sf.json.util.JSONUtils;

/**
 * Velocity tool to facilitate serialization of java types and objects
 * to the JSON format.
 *
 * @version $Id$
 * @since 2.1M1
 */
public class JSONTool
{
   /**
     * @param object the object to transform to JSON
     * @return a {@link net.sf.json.JSON} representation of the object.
     */
   public JSON toJSON(Object object) {
       return JSONSerializer.toJSON(object);
   }
   
   /**
     * @param value the string make a JSON value String of
     * @return the JSON-verified String representation of the passed String
     */
   public String toValueString(String value) {
       return JSONUtils.valueToString(value);
   }
}

package org.xwiki.velocity.tools;

import java.util.HashMap;
import java.util.Map;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

public class JSONToolTest
{
   private JSONTool jsonTool;

   @Before
   public void initialize()
   {
        jsonTool = new JSONTool();
   }

   @Test
   public void testToJSON()
   {
        Map<String, Object> test = new HashMap<String, Object>();
        test.put("foo", "bar");
        test.put("bool", Boolean.FALSE);

        String jsonString = jsonTool.toJSON(test).toString();
        Assert.assertEquals("{\"foo\":\"bar\",\"bool\":false}", jsonString);
   }

   @Test
   public void testToValueString()
   {
        Assert.assertEquals("\"\\\"test\\\"\"", jsonTool.toValueString("\"test\""));
   }
}