hashwrapper.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   HashWrapper.java

package org.gudy.azureus2.core3.util;

import java.util.Arrays;
import org.gudy.azureus2.plugins.utils.ByteArrayWrapper;

// Referenced classes of package org.gudy.azureus2.core3.util:
//			Base32

public class HashWrapper
	implements ByteArrayWrapper
{

	private byte hash[];
	private int hash_code;

	public HashWrapper(byte _hash[])
	{
		this(_hash, 0, _hash.length);
	}

	public HashWrapper(byte _hash[], int offset, int length)
	{
		hash = new byte[length];
		System.arraycopy(_hash, offset, hash, 0, length);
		for (int i = 0; i < length; i++)
			hash_code = 31 * hash_code + hash[i];

	}

	public boolean equals(Object o)
	{
		if (!(o instanceof HashWrapper))
		{
			return false;
		} else
		{
			byte otherHash[] = ((HashWrapper)o).getHash();
			return Arrays.equals(hash, otherHash);
		}
	}

	public byte[] getHash()
	{
		return hash;
	}

	public byte[] getBytes()
	{
		return hash;
	}

	public int hashCode()
	{
		return hash_code;
	}

	public String toBase32String()
	{
		return Base32.encode(hash);
	}
}