bytearray.java

java 的源代码

package com.reddragon2046.base.utilities.data.adapters;

import com.reddragon2046.base.utilities.data.BidirectionalIterator;
import com.reddragon2046.base.utilities.data.ForwardIterator;
import java.util.Iterator;

// Referenced classes of package com.reddragon2046.base.utilities.data.adapters:
//            AbstractNativeArray, ByteBuffer, ByteIterator, Algorithms

public class ByteArray extends AbstractNativeArray
{

    public ByteArray()
    {
        this(new byte[0]);
    }

    public ByteArray(ByteArray array)
    {
        this(array.array);
    }

    public ByteArray(ByteBuffer buffer)
    {
        this(buffer.get());
    }

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

    public synchronized Object clone()
    {
        return new ByteArray(this);
    }

    public synchronized String toString()
    {
        return Algorithms.Printing.toString(this, "byte[]");
    }

    public boolean equals(Object object)
    {
        return (object instanceof ByteArray) && equals((ByteArray)object) || (object instanceof ByteBuffer) && equals((ByteBuffer)object);
    }

    public boolean equals(ByteArray object)
    {
        return equals(object.array);
    }

    public synchronized boolean equals(ByteBuffer buffer)
    {
        boolean flag;
        synchronized(buffer)
        {
            flag = sliceEquals(array, array.length, buffer.storage, buffer.length);
        }
        return flag;
    }

    public synchronized boolean equals(byte array[])
    {
        boolean flag;
        synchronized(array)
        {
            flag = sliceEquals(this.array, this.array.length, array, array.length);
        }
        return flag;
    }

    protected static boolean sliceEquals(byte a1[], int len1, byte a2[], int len2)
    {
        if(len1 != len2)
            return false;
        for(int i = 0; i < len1; i++)
            if(a1[i] != a2[i])
                return false;

        return true;
    }

    public byte[] get()
    {
        return array;
    }

    public int size()
    {
        return array.length;
    }

    public int maxSize()
    {
        return array.length;
    }

    public Iterator iterator()
    {
        return begin();
    }

    public ForwardIterator start()
    {
        return begin();
    }

    public synchronized BidirectionalIterator begin()
    {
        return new ByteIterator(this, 0);
    }

    public ForwardIterator finish()
    {
        return end();
    }

    public synchronized BidirectionalIterator end()
    {
        return new ByteIterator(this, array.length);
    }

    public Object get(int index)
    {
        return new Byte(byteAt(index));
    }

    public synchronized byte byteAt(int index)
    {
        return array[index];
    }

    public void put(int index, Object object)
    {
        put(index, ((Number)object).byteValue());
    }

    public synchronized void put(int index, byte object)
    {
        array[index] = object;
    }

    byte array[];
    static final long serialVersionUID = 0x9eef0cfadcab979eL;
}