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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.aliyun.openservices.tablestore.hadoop;

import java.io.IOException;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import org.apache.commons.codec.binary.Base64;
import org.apache.hadoop.io.Writable;

class Utils {
    static String serialize(Writable w) {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        DataOutputStream out = new DataOutputStream(os);
        try {
            w.write(out);
            out.close();
        } catch(IOException ex) {
            // intend to ignore
        }
        byte[] buf = os.toByteArray();
        return Base64.encodeBase64String(buf);
    }

}