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/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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 org.elasticsearch.hadoop.mr;

import org.elasticsearch.hadoop.serialization.JdkBytesConverter;
import org.elasticsearch.hadoop.util.BytesArray;

public class WritableBytesConverter extends JdkBytesConverter {

    private static SafeWritableConverter safeWritableConverter;

    static {
        try {
            safeWritableConverter = new SafeWritableConverter();
        } catch (Error e) {
            // no Hadoop libs loaded
        }
    }

    @Override
    public void convert(Object from, BytesArray to) {
        final boolean handled;
        if (safeWritableConverter != null) {
            handled = safeWritableConverter.invoke(from, to);
        } else {
            handled = false;
        }
        if (handled == false) {
            super.convert(from, to);
        }
    }
}