byteiterator.java

来自「java 的源代码」· Java 代码 · 共 110 行

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

import com.reddragon2046.base.utilities.data.InputIterator;
import com.reddragon2046.base.utilities.data.RandomAccessIterator;
import java.io.Serializable;

// Referenced classes of package com.reddragon2046.base.utilities.data.adapters:
//            AbstractArrayIterator, ByteArray, ByteBuffer

public final class ByteIterator extends AbstractArrayIterator
    implements RandomAccessIterator, Serializable
{

    public static ByteIterator begin(byte array[])
    {
        return new ByteIterator(array, 0);
    }

    public static ByteIterator end(byte array[])
    {
        return new ByteIterator(array, array.length);
    }

    public ByteIterator()
    {
        this(new ByteArray(), 0);
    }

    public ByteIterator(ByteIterator iterator)
    {
        super(iterator.getContainer());
        m_buffer = iterator.m_buffer;
    }

    public ByteIterator(byte vector[], int index)
    {
        this(new ByteArray(vector), index);
    }

    public ByteIterator(ByteArray container, int index)
    {
        super(container, index);
        m_buffer = container.array;
    }

    public ByteIterator(ByteBuffer container, int index)
    {
        super(container, index);
        m_buffer = container.storage;
    }

    public Object clone()
    {
        return new ByteIterator(this);
    }

    public boolean equals(Object object)
    {
        return (object instanceof ByteIterator) && equals((ByteIterator)object);
    }

    public boolean equals(ByteIterator iterator)
    {
        return iterator.getInternalIndex() == getInternalIndex() && iterator.m_buffer == m_buffer;
    }

    public int hashCode()
    {
        return System.identityHashCode(m_buffer) ^ getInternalIndex();
    }

    public Object get(int offset)
    {
        return new Byte(m_buffer[getInternalIndex() + offset]);
    }

    public byte getByte(int offset)
    {
        return m_buffer[getInternalIndex() + offset];
    }

    public void put(Object object)
    {
        put(0, object);
    }

    public void put(byte object)
    {
        put(0, object);
    }

    public void put(int offset, Object object)
    {
        put(offset, ByteBuffer.asByte(object));
    }

    public void put(int offset, byte object)
    {
        m_buffer[getInternalIndex() + offset] = object;
    }

    public boolean isCompatibleWith(InputIterator iterator)
    {
        return (iterator instanceof ByteIterator) && m_buffer == ((ByteIterator)iterator).m_buffer;
    }

    byte m_buffer[];
    static final long serialVersionUID = 0x43c75f0d56eebf51L;
}