Java Convert via ByteBuffer toString(byte[] buf, int arrayOffset, int origLimit, StringBuilder sb)

Description

to String

License

Apache License

Declaration

public static void toString(byte[] buf, int arrayOffset, int origLimit,
            StringBuilder sb) 

Method Source Code

//package com.java2s;
/**/*w w  w  .ja v  a2 s .  c  o  m*/
 * 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.
 */

import java.nio.ByteBuffer;

public class Main {
    public static void toString(byte[] bytes, StringBuilder sb) {
        toString(bytes, 0, bytes.length, sb);
    }

    public static void toString(ByteBuffer bb, StringBuilder sb) {
        byte[] buf = bb.array();

        int arrayOffset = bb.arrayOffset();
        int origLimit = bb.limit();
        toString(buf, arrayOffset, origLimit, sb);
    }

    public static void toString(byte[] buf, int arrayOffset, int origLimit,
            StringBuilder sb) {
        int limit = (origLimit - arrayOffset > 128) ? arrayOffset + 128
                : origLimit;

        for (int i = arrayOffset; i < limit; i++) {
            if (i > arrayOffset) {
                sb.append(" ");
            }
            sb.append(paddedByteString(buf[i]));
        }
        if (origLimit != limit) {
            sb.append("...");
        }
    }

    public static String paddedByteString(byte b) {
        int extended = (b | 0x100) & 0x1ff;
        return Integer.toHexString(extended).toUpperCase().substring(1);
    }
}

Related

1. toShort(byte[] bytes, int index)
2. toShort(final byte byteValue, final ByteOrder byteOrder)
3. toShortArray(byte[] arr)
4. toShortArray(final byte[] byteArray)
5. toSimpleList(List attrValues)
6. toString(byte[] value, int offset, int length, String encoding)
7. toString(final String filename)
8. toString(final Xid xid)
9. toString(InputStream is)