com.opensoc.json.serialization.JSONEncoderHelper.java Source code

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Here is the source code for com.opensoc.json.serialization.JSONEncoderHelper.java

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/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.opensoc.json.serialization;

import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Iterator;

import org.apache.commons.configuration.Configuration;
import org.json.simple.JSONObject;

/**
 * Helper class used for encoding objects into byte arrays 
 *
 * @author kiran
 * 
 */
public class JSONEncoderHelper {

    public static void putNull(DataOutputStream data, Object value) throws IOException {
        // TODO Auto-generated method stub
        data.writeByte(JSONKafkaSerializer.NULLID);

    }

    public static void putBoolean(DataOutputStream data, Boolean value) throws IOException {
        // TODO Auto-generated method stub
        data.writeByte(JSONKafkaSerializer.BooleanID);
        data.writeBoolean(value);

    }

    public static void putNumber(DataOutputStream data, Number value) throws IOException {
        // TODO Auto-generated method stub
        data.writeByte(JSONKafkaSerializer.NumberID);
        if (value instanceof Double) {
            data.writeByte(0);
            data.writeDouble((Double) value);
            return;
        }
        data.writeByte(1);
        data.writeLong((Long) value);

    }

    public static void putString(DataOutputStream data, String str) throws IOException {
        // String ID is 1
        data.writeByte(JSONKafkaSerializer.StringID);
        data.writeInt(str.length());
        data.write(str.getBytes());

    }

    @SuppressWarnings({ "rawtypes", "unchecked" })
    public static JSONObject getJSON(Configuration config) {

        JSONObject output = new JSONObject();

        if (!config.isEmpty()) {
            Iterator it = config.getKeys();
            while (it.hasNext()) {
                String k = (String) it.next();
                // noinspection unchecked
                String v = (String) config.getProperty(k);
                output.put(k, v);
            }
        }
        return output;
    }

}