FileDocCategorySizeDatePackage
DirectByteBufferR.javaAPI DocJava SE 5 API10671Fri Aug 26 16:48:50 BST 2005java.nio

DirectByteBufferR.java

/*
 * @(#)Direct-X-Buffer.java	1.48 04/05/03
 *
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

// -- This file was mechanically generated: Do not edit! -- //

package java.nio;

import sun.misc.Cleaner;
import sun.misc.Unsafe;
import sun.nio.ch.DirectBuffer;
import sun.nio.ch.FileChannelImpl;


class DirectByteBufferR



    extends DirectByteBuffer

    implements DirectBuffer
{
































































    // Primary constructor
    //
    DirectByteBufferR(int cap) {			// package-private




















	super(cap);

    }













    // For memory-mapped buffers -- invoked by FileChannelImpl via reflection
    //
    protected DirectByteBufferR(int cap, long addr, Runnable unmapper) {






	super(cap, addr, unmapper);

    }



    // For duplicates and slices
    //
    DirectByteBufferR(DirectBuffer db,	        // package-private
			       int mark, int pos, int lim, int cap,
			       int off)
    {








	super(db, mark, pos, lim, cap, off);

    }

    public ByteBuffer slice() {
	int pos = this.position();
	int lim = this.limit();
	assert (pos <= lim);
	int rem = (pos <= lim ? lim - pos : 0);
	int off = (pos << 0);
        assert (off >= 0);
	return new DirectByteBufferR(this, -1, 0, rem, rem, off);
    }

    public ByteBuffer duplicate() {
	return new DirectByteBufferR(this,
					      this.markValue(),
					      this.position(),
					      this.limit(),
					      this.capacity(),
					      0);
    }

    public ByteBuffer asReadOnlyBuffer() {








	return duplicate();

    }


















































    public ByteBuffer put(byte x) {




	throw new ReadOnlyBufferException();

    }

    public ByteBuffer put(int i, byte x) {




	throw new ReadOnlyBufferException();

    }

    public ByteBuffer put(ByteBuffer src) {




































	throw new ReadOnlyBufferException();

    }

    public ByteBuffer put(byte[] src, int offset, int length) {






















	throw new ReadOnlyBufferException();

    }
    
    public ByteBuffer compact() {











	throw new ReadOnlyBufferException();

    }

    public boolean isDirect() {
	return true;
    }

    public boolean isReadOnly() {
	return true;
    }






























































    byte _get(int i) {				// package-private
	return unsafe.getByte(address + i);
    }

    void _put(int i, byte b) {			// package-private



	throw new ReadOnlyBufferException();

    }






















    private ByteBuffer putChar(long a, char x) {









	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putChar(char x) {




	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putChar(int i, char x) {




	throw new ReadOnlyBufferException();

    }

    public CharBuffer asCharBuffer() {
	int off = this.position();
	int lim = this.limit();
	assert (off <= lim);
	int rem = (off <= lim ? lim - off : 0);

	int size = rem >> 1;
 	if (!unaligned && ((address + off) % (1 << 1) != 0)) {
	    return (bigEndian
		    ? (CharBuffer)(new ByteBufferAsCharBufferRB(this,
								       -1,
								       0,
								       size,
								       size,
								       off))
		    : (CharBuffer)(new ByteBufferAsCharBufferRL(this,
								       -1,
								       0,
								       size,
								       size,
								       off)));
	} else {
	    return (nativeByteOrder
		    ? (CharBuffer)(new DirectCharBufferRU(this,
								 -1,
								 0,
								 size,
								 size,
								 off))
		    : (CharBuffer)(new DirectCharBufferRS(this,
								 -1,
								 0,
								 size,
								 size,
								 off)));
	}
    }






















    private ByteBuffer putShort(long a, short x) {









	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putShort(short x) {




	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putShort(int i, short x) {




	throw new ReadOnlyBufferException();

    }

    public ShortBuffer asShortBuffer() {
	int off = this.position();
	int lim = this.limit();
	assert (off <= lim);
	int rem = (off <= lim ? lim - off : 0);

	int size = rem >> 1;
 	if (!unaligned && ((address + off) % (1 << 1) != 0)) {
	    return (bigEndian
		    ? (ShortBuffer)(new ByteBufferAsShortBufferRB(this,
								       -1,
								       0,
								       size,
								       size,
								       off))
		    : (ShortBuffer)(new ByteBufferAsShortBufferRL(this,
								       -1,
								       0,
								       size,
								       size,
								       off)));
	} else {
	    return (nativeByteOrder
		    ? (ShortBuffer)(new DirectShortBufferRU(this,
								 -1,
								 0,
								 size,
								 size,
								 off))
		    : (ShortBuffer)(new DirectShortBufferRS(this,
								 -1,
								 0,
								 size,
								 size,
								 off)));
	}
    }






















    private ByteBuffer putInt(long a, int x) {









	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putInt(int x) {




	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putInt(int i, int x) {




	throw new ReadOnlyBufferException();

    }

    public IntBuffer asIntBuffer() {
	int off = this.position();
	int lim = this.limit();
	assert (off <= lim);
	int rem = (off <= lim ? lim - off : 0);

	int size = rem >> 2;
 	if (!unaligned && ((address + off) % (1 << 2) != 0)) {
	    return (bigEndian
		    ? (IntBuffer)(new ByteBufferAsIntBufferRB(this,
								       -1,
								       0,
								       size,
								       size,
								       off))
		    : (IntBuffer)(new ByteBufferAsIntBufferRL(this,
								       -1,
								       0,
								       size,
								       size,
								       off)));
	} else {
	    return (nativeByteOrder
		    ? (IntBuffer)(new DirectIntBufferRU(this,
								 -1,
								 0,
								 size,
								 size,
								 off))
		    : (IntBuffer)(new DirectIntBufferRS(this,
								 -1,
								 0,
								 size,
								 size,
								 off)));
	}
    }






















    private ByteBuffer putLong(long a, long x) {









	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putLong(long x) {




	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putLong(int i, long x) {




	throw new ReadOnlyBufferException();

    }

    public LongBuffer asLongBuffer() {
	int off = this.position();
	int lim = this.limit();
	assert (off <= lim);
	int rem = (off <= lim ? lim - off : 0);

	int size = rem >> 3;
 	if (!unaligned && ((address + off) % (1 << 3) != 0)) {
	    return (bigEndian
		    ? (LongBuffer)(new ByteBufferAsLongBufferRB(this,
								       -1,
								       0,
								       size,
								       size,
								       off))
		    : (LongBuffer)(new ByteBufferAsLongBufferRL(this,
								       -1,
								       0,
								       size,
								       size,
								       off)));
	} else {
	    return (nativeByteOrder
		    ? (LongBuffer)(new DirectLongBufferRU(this,
								 -1,
								 0,
								 size,
								 size,
								 off))
		    : (LongBuffer)(new DirectLongBufferRS(this,
								 -1,
								 0,
								 size,
								 size,
								 off)));
	}
    }






















    private ByteBuffer putFloat(long a, float x) {









	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putFloat(float x) {




	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putFloat(int i, float x) {




	throw new ReadOnlyBufferException();

    }

    public FloatBuffer asFloatBuffer() {
	int off = this.position();
	int lim = this.limit();
	assert (off <= lim);
	int rem = (off <= lim ? lim - off : 0);

	int size = rem >> 2;
 	if (!unaligned && ((address + off) % (1 << 2) != 0)) {
	    return (bigEndian
		    ? (FloatBuffer)(new ByteBufferAsFloatBufferRB(this,
								       -1,
								       0,
								       size,
								       size,
								       off))
		    : (FloatBuffer)(new ByteBufferAsFloatBufferRL(this,
								       -1,
								       0,
								       size,
								       size,
								       off)));
	} else {
	    return (nativeByteOrder
		    ? (FloatBuffer)(new DirectFloatBufferRU(this,
								 -1,
								 0,
								 size,
								 size,
								 off))
		    : (FloatBuffer)(new DirectFloatBufferRS(this,
								 -1,
								 0,
								 size,
								 size,
								 off)));
	}
    }






















    private ByteBuffer putDouble(long a, double x) {









	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putDouble(double x) {




	throw new ReadOnlyBufferException();

    }

    public ByteBuffer putDouble(int i, double x) {




	throw new ReadOnlyBufferException();

    }

    public DoubleBuffer asDoubleBuffer() {
	int off = this.position();
	int lim = this.limit();
	assert (off <= lim);
	int rem = (off <= lim ? lim - off : 0);

	int size = rem >> 3;
 	if (!unaligned && ((address + off) % (1 << 3) != 0)) {
	    return (bigEndian
		    ? (DoubleBuffer)(new ByteBufferAsDoubleBufferRB(this,
								       -1,
								       0,
								       size,
								       size,
								       off))
		    : (DoubleBuffer)(new ByteBufferAsDoubleBufferRL(this,
								       -1,
								       0,
								       size,
								       size,
								       off)));
	} else {
	    return (nativeByteOrder
		    ? (DoubleBuffer)(new DirectDoubleBufferRU(this,
								 -1,
								 0,
								 size,
								 size,
								 off))
		    : (DoubleBuffer)(new DirectDoubleBufferRS(this,
								 -1,
								 0,
								 size,
								 size,
								 off)));
	}
    }

}