Source Code : Byte Array

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Byte Array

 
/**
 * This file is distributed under the GPL
 * $Id: ByteArray.java 1619 2008-09-16 16:15:45Z scotta $
 */

//package net.bnubot.util;

import java.io.UnsupportedEncodingException;

/**
 * @author scotta
 */
public final class ByteArray {
  private final byte[] data;

  public ByteArray(byte b) {
    this.data = new byte[] {b};
  }

  public ByteArray(byte[] data) {
    this.data = data.clone();
  }

  public ByteArray(String text) {
    byte[] data;
    try {
      data = text.getBytes("UTF-8");
    } catch(UnsupportedEncodingException e) {
      data = text.getBytes();
    }
    this.data = data;
  }

  public ByteArray(byte[] data, int beginIndex, int endIndex) {
    this.data = new byte[endIndex - beginIndex];
    System.arraycopy(data, beginIndex, this.data, 0, this.data.length);
  }

  public final byte[] getBytes() {
    return data;
  }

  public ByteArray concat(byte[] str) {
    byte[] out = new byte[data.length + str.length];
    System.arraycopy(data, 0, out, 0, data.length);
    System.arraycopy(str, 0, out, data.length, str.length);
    return new ByteArray(out);
  }

  public ByteArray concat(ByteArray str) {
    return concat(str.data);
  }

  public ByteArray removeFirst() {
    return substring(1);
  }

  @Override
  public String toString() {
    try {
      return new String(data, "UTF-8");
    } catch (UnsupportedEncodingException e) {
      return new String(data);
    }
  }

  public int length() {
    return data.length;
  }

  public byte byteAt(int i) {
    return data[i];
  }

  @Override
  public boolean equals(Object obj) {
    if(obj instanceof byte[]) {
      byte[] x = (byte[])obj;
      if(x.length != data.length)
        return false;
      for(int i = 0; i < x.length; i++) {
        if(x[i] != data[i])
          return false;
      }
      return true;
    }
    if(obj instanceof ByteArray)
      return equals(((ByteArray)obj).data);
    if(obj instanceof String)
      return toString().equals(obj);
    return false;
  }

  public ByteArray substring(int beginIndex) {
    return substring(beginIndex, data.length);
  }

  public ByteArray substring(int beginIndex, int endIndex) {
    return new ByteArray(data, beginIndex, endIndex);
  }
}
/**
 * This file is distributed under the GPL
 * $Id: ByteArrayTest.java 1619 2008-09-16 16:15:45Z scotta $
*/
/*
package net.bnubot.util;

import junit.framework.TestCase;

// * @author scotta
public class ByteArrayTest extends TestCase {

  public void testRemoveFirst() {
    ByteArray ba = new ByteArray("abcdefgh");
    assertEquals("bcdefgh", ba.removeFirst().toString());
  }

  public void testConcat() {
    ByteArray ba1 = new ByteArray("abcd");
    ByteArray ba2 = new ByteArray("efgh");
    assertEquals("abcdefgh", ba1.concat(ba2).toString());
  }

  public void testSubString() {
    ByteArray ba = new ByteArray("abcdefgh");
    assertEquals("bcdefgh", ba.removeFirst().toString());
  }

}

*/

   
  

Thank with us