com.jsonstore.jackson.JsonOrgModule.java Source code

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Here is the source code for com.jsonstore.jackson.JsonOrgModule.java

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/*
 *     Copyright 2016 IBM Corp.
 *     Licensed under the Apache License, Version 2.0 (the "License");
 *     you may not use this file except in compliance with the License.
 *     You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 */
package com.jsonstore.jackson;

import org.codehaus.jackson.Version;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.module.SimpleModule;
import org.json.JSONArray;
import org.json.JSONObject;

import java.io.StringWriter;

public class JsonOrgModule extends SimpleModule {
    private static final ObjectMapper mapper = new ObjectMapper();

    static {
        // Register the Jackson -> json.org serializers and deserializers.

        JsonOrgModule.mapper.registerModule(new JsonOrgModule());
    }

    private JsonOrgModule() {
        super("JsonOrgModule", new Version(1, 0, 0, null)); //$NON-NLS-1$

        addDeserializer(JSONArray.class, JsonOrgJSONArrayDeserializer.instance);
        addDeserializer(JSONObject.class, JsonOrgJSONObjectDeserializer.instance);

        addSerializer(JSONArray.class, JsonOrgJSONArraySerializer.instance);
        addSerializer(JSONObject.class, JsonOrgJSONObjectSerializer.instance);
    }

    public static JSONArray deserializeJSONArray(String json) throws Throwable {
        return JsonOrgModule.mapper.readValue(json, JSONArray.class);
    }

    public static JSONObject deserializeJSONObject(String json) throws Throwable {
        return JsonOrgModule.mapper.readValue(json, JSONObject.class);
    }

    public static String serialize(JSONArray array) {
        try {
            StringWriter writer = new StringWriter();

            JsonOrgModule.mapper.writeValue(writer, array);

            writer.close();

            return writer.toString();
        }

        catch (Throwable e) {
            return null;
        }
    }

    public static String serialize(JSONObject obj) {
        try {
            StringWriter writer = new StringWriter();

            JsonOrgModule.mapper.writeValue(writer, obj);

            writer.close();

            return writer.toString();
        }

        catch (Throwable e) {
            return null;
        }
    }
}