com.kfuntak.gwt.json.serialization.client.Serializer Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gwtprojsonserializer Show documentation

GWT Professional JSON Serializer allows you to serialize any JSON text into a java object (and reverse). It is crucial functionality when there is no GWT-RPC on server side. This JSON serializer allows easy connecting GWT client side to any standard server side technology.

There is a newer version: 1.0.0

Show newest version

package com.kfuntak.gwt.json.serialization.client;

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

import com.google.gwt.json.client.JSONException;
import com.google.gwt.json.client.JSONValue;

public class Serializer {

    private static Map SERIALIZABLE_TYPES;

    private static Map serializableTypes() {
        if (SERIALIZABLE_TYPES == null) {
            SERIALIZABLE_TYPES = new HashMap();
        }
        return SERIALIZABLE_TYPES;
    }

    protected void addObjectSerializer(String name, ObjectSerializer obj) {
        serializableTypes().put(name, obj);
    }

    protected ObjectSerializer getObjectSerializer(String name) {
        return (ObjectSerializer) serializableTypes().get(name);
    }

    protected Serializer() {
    }

    static protected String getTypeName(Object obj) {
        // WARNING: GWT.getTypeName is deprecated
        //String typeName = GWT.getTypeName( obj );
        //typeName = typeName.substring(typeName.lastIndexOf('.')+1);
        //return typeName.toLowerCase();
        String typeName = obj.getClass().getName();
        return typeName;
    }

    public String serialize(Object pojo) {
        String name = getTypeName(pojo);
        ObjectSerializer serializer = getObjectSerializer(name);
        if (serializer == null) {
            throw new SerializationException("Can't find object serializer for " + name);
        }
        return serializer.serialize(pojo);
    }

    public JSONValue serializeToJson(Object pojo) {
        String name = getTypeName(pojo);
        ObjectSerializer serializer = getObjectSerializer(name);
        if (serializer == null) {
            throw new SerializationException("Can't find object serializer for " + name);
        }
        return serializer.serializeToJson(pojo);
    }

    public Object deSerialize(JSONValue jsonValue, String className) throws JSONException {
        ObjectSerializer serializer = getObjectSerializer(className);
        if (serializer == null) {
            throw new SerializationException("Can't find object serializer for " + className);
        }
        return serializer.deSerialize(jsonValue, className);
    }

    public Object deSerialize(String jsonString, String className) throws JSONException {
        ObjectSerializer serializer = getObjectSerializer(className);
        if (serializer == null) {
            throw new SerializationException("Can't find object serializer for " + className);
        }
        return serializer.deSerialize(jsonString, className);
    }
}