Java Byte Array Encode encodeCompositeAlways(List bytesList)

Description

makes composite column name or row key

License

Apache License

Parameter

Parameter	Description
bytesList	a parameter

Declaration

public static byte[] encodeCompositeAlways(List<byte[]> bytesList) 

Method Source Code

//package com.java2s;
/*/*www .  ja  v a 2  s  .co  m*/
 * Agiato: A simple no frill Cassandra API
 * Author: Pranab Ghosh
 * 
 * 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.
 */

import java.io.ByteArrayOutputStream;

import java.util.List;

public class Main {
    /**
     * makes composite column name or row key
     * @param bytesList
     * @return
     */
    public static byte[] encodeCompositeAlways(List<byte[]> bytesList) {
        byte[] encBytes;
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        for (byte[] bytes : bytesList) {
            //length
            bos.write((byte) ((bytes.length >> 8) & 0xFF));
            bos.write((byte) (bytes.length & 0xFF));

            //content
            for (int j = 0; j < bytes.length; j++) {
                bos.write(bytes[j] & 0xFF);
            }

            //sentinel
            bos.write((byte) 0);
        }
        encBytes = bos.toByteArray();
        return encBytes;
    }
}

Related

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2. encodeAsUtf8(byte[] bytes)
3. encodeBitString(byte[] in, OutputStream os)
4. encodeByteArray(DataOutputStream out, byte[] bytes)
5. encodeBytes(byte[] source, int off, int len)
6. encodeDataWithCharsetInMetaTag(byte[] data)
7. encodeHex(byte[] bytes)
8. encodeHex(byte[] bytes)