JsonHandler.java

package com.googlecode.mycontainer.commons.json;

import java.io.Serializable;
import java.io.Writer;
import java.util.List;
import java.util.Map;

import flexjson.JSONDeserializer;
import flexjson.JSONSerializer;
import flexjson.transformer.CharacterTransformer;
import flexjson.transformer.IterableTransformer;
import flexjson.transformer.MapTransformer;

public class JsonHandler implements Serializable {

	private static final long serialVersionUID = -8576658801873381324L;

	private static final JsonHandler ME = new JsonHandler();

	private JSONSerializer serializer;

	private JSONDeserializer<Object> deserializer;

	public JsonHandler() {
		this.serializer = new JSONSerializer();
		deserializer = new JSONDeserializer<Object>();

		serializer.transform(new CharacterTransformer(), CharSequence.class);
		serializer.transform(new IterableTransformer(), List.class);
		serializer.transform(new MapTransformer(), Map.class);
	}

	public static JsonHandler instance() {
		return ME;
	}

	public JSONDeserializer<Object> getDeserializer() {
		return deserializer;
	}

	public JSONSerializer getSerializer() {
		return serializer;
	}

	public String format(Object obj) {
		String ret = serializer.serialize(obj);
		return ret;
	}

	public void format(Object obj, Writer writer) {
		serializer.serialize(obj, writer);
	}

	public Object parse(String str) {
		Object ret = deserializer.deserialize(str);
		return ret;
	}

	@SuppressWarnings("unchecked")
	public <T> T parse(String str, Class<T> clazz) {
		T ret = (T) deserializer.deserialize(str, clazz);
		return ret;
	}

	public void setPrettyPrint(boolean prettyPrint) {
		serializer.prettyPrint(prettyPrint);
	}

}