--- a/jdk/src/share/classes/java/nio/Heap-X-Buffer.java Fri Nov 06 17:26:01 2009 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,595 +0,0 @@
-/*
- * Copyright 2000-2008 Sun Microsystems, Inc. All Rights Reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Sun designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Sun in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- */
-
-#warn This file is preprocessed before being compiled
-
-package java.nio;
-
-
-/**
-#if[rw]
- * A read/write Heap$Type$Buffer.
-#else[rw]
- * A read-only Heap$Type$Buffer. This class extends the corresponding
- * read/write class, overriding the mutation methods to throw a {@link
- * ReadOnlyBufferException} and overriding the view-buffer methods to return an
- * instance of this class rather than of the superclass.
-#end[rw]
- */
-
-class Heap$Type$Buffer$RW$
- extends {#if[ro]?Heap}$Type$Buffer
-{
-
- // For speed these fields are actually declared in X-Buffer;
- // these declarations are here as documentation
- /*
-#if[rw]
- protected final $type$[] hb;
- protected final int offset;
-#end[rw]
- */
-
- Heap$Type$Buffer$RW$(int cap, int lim) { // package-private
-#if[rw]
- super(-1, 0, lim, cap, new $type$[cap], 0);
- /*
- hb = new $type$[cap];
- offset = 0;
- */
-#else[rw]
- super(cap, lim);
- this.isReadOnly = true;
-#end[rw]
- }
-
- Heap$Type$Buffer$RW$($type$[] buf, int off, int len) { // package-private
-#if[rw]
- super(-1, off, off + len, buf.length, buf, 0);
- /*
- hb = buf;
- offset = 0;
- */
-#else[rw]
- super(buf, off, len);
- this.isReadOnly = true;
-#end[rw]
- }
-
- protected Heap$Type$Buffer$RW$($type$[] buf,
- int mark, int pos, int lim, int cap,
- int off)
- {
-#if[rw]
- super(mark, pos, lim, cap, buf, off);
- /*
- hb = buf;
- offset = off;
- */
-#else[rw]
- super(buf, mark, pos, lim, cap, off);
- this.isReadOnly = true;
-#end[rw]
- }
-
- public $Type$Buffer slice() {
- return new Heap$Type$Buffer$RW$(hb,
- -1,
- 0,
- this.remaining(),
- this.remaining(),
- this.position() + offset);
- }
-
- public $Type$Buffer duplicate() {
- return new Heap$Type$Buffer$RW$(hb,
- this.markValue(),
- this.position(),
- this.limit(),
- this.capacity(),
- offset);
- }
-
- public $Type$Buffer asReadOnlyBuffer() {
-#if[rw]
- return new Heap$Type$BufferR(hb,
- this.markValue(),
- this.position(),
- this.limit(),
- this.capacity(),
- offset);
-#else[rw]
- return duplicate();
-#end[rw]
- }
-
-#if[rw]
-
- protected int ix(int i) {
- return i + offset;
- }
-
- public $type$ get() {
- return hb[ix(nextGetIndex())];
- }
-
- public $type$ get(int i) {
- return hb[ix(checkIndex(i))];
- }
-
- public $Type$Buffer get($type$[] dst, int offset, int length) {
- checkBounds(offset, length, dst.length);
- if (length > remaining())
- throw new BufferUnderflowException();
- System.arraycopy(hb, ix(position()), dst, offset, length);
- position(position() + length);
- return this;
- }
-
- public boolean isDirect() {
- return false;
- }
-
-#end[rw]
-
- public boolean isReadOnly() {
- return {#if[rw]?false:true};
- }
-
- public $Type$Buffer put($type$ x) {
-#if[rw]
- hb[ix(nextPutIndex())] = x;
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer put(int i, $type$ x) {
-#if[rw]
- hb[ix(checkIndex(i))] = x;
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer put($type$[] src, int offset, int length) {
-#if[rw]
- checkBounds(offset, length, src.length);
- if (length > remaining())
- throw new BufferOverflowException();
- System.arraycopy(src, offset, hb, ix(position()), length);
- position(position() + length);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer put($Type$Buffer src) {
-#if[rw]
- if (src instanceof Heap$Type$Buffer) {
- if (src == this)
- throw new IllegalArgumentException();
- Heap$Type$Buffer sb = (Heap$Type$Buffer)src;
- int n = sb.remaining();
- if (n > remaining())
- throw new BufferOverflowException();
- System.arraycopy(sb.hb, sb.ix(sb.position()),
- hb, ix(position()), n);
- sb.position(sb.position() + n);
- position(position() + n);
- } else if (src.isDirect()) {
- int n = src.remaining();
- if (n > remaining())
- throw new BufferOverflowException();
- src.get(hb, ix(position()), n);
- position(position() + n);
- } else {
- super.put(src);
- }
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer compact() {
-#if[rw]
- System.arraycopy(hb, ix(position()), hb, ix(0), remaining());
- position(remaining());
- limit(capacity());
- discardMark();
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
-
-
-#if[byte]
-
- byte _get(int i) { // package-private
- return hb[i];
- }
-
- void _put(int i, byte b) { // package-private
-#if[rw]
- hb[i] = b;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- // char
-
-#if[rw]
-
- public char getChar() {
- return Bits.getChar(this, ix(nextGetIndex(2)), bigEndian);
- }
-
- public char getChar(int i) {
- return Bits.getChar(this, ix(checkIndex(i, 2)), bigEndian);
- }
-
-#end[rw]
-
- public $Type$Buffer putChar(char x) {
-#if[rw]
- Bits.putChar(this, ix(nextPutIndex(2)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer putChar(int i, char x) {
-#if[rw]
- Bits.putChar(this, ix(checkIndex(i, 2)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public CharBuffer asCharBuffer() {
- int size = this.remaining() >> 1;
- int off = offset + position();
- return (bigEndian
- ? (CharBuffer)(new ByteBufferAsCharBuffer$RW$B(this,
- -1,
- 0,
- size,
- size,
- off))
- : (CharBuffer)(new ByteBufferAsCharBuffer$RW$L(this,
- -1,
- 0,
- size,
- size,
- off)));
- }
-
-
- // short
-
-#if[rw]
-
- public short getShort() {
- return Bits.getShort(this, ix(nextGetIndex(2)), bigEndian);
- }
-
- public short getShort(int i) {
- return Bits.getShort(this, ix(checkIndex(i, 2)), bigEndian);
- }
-
-#end[rw]
-
- public $Type$Buffer putShort(short x) {
-#if[rw]
- Bits.putShort(this, ix(nextPutIndex(2)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer putShort(int i, short x) {
-#if[rw]
- Bits.putShort(this, ix(checkIndex(i, 2)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public ShortBuffer asShortBuffer() {
- int size = this.remaining() >> 1;
- int off = offset + position();
- return (bigEndian
- ? (ShortBuffer)(new ByteBufferAsShortBuffer$RW$B(this,
- -1,
- 0,
- size,
- size,
- off))
- : (ShortBuffer)(new ByteBufferAsShortBuffer$RW$L(this,
- -1,
- 0,
- size,
- size,
- off)));
- }
-
-
- // int
-
-#if[rw]
-
- public int getInt() {
- return Bits.getInt(this, ix(nextGetIndex(4)), bigEndian);
- }
-
- public int getInt(int i) {
- return Bits.getInt(this, ix(checkIndex(i, 4)), bigEndian);
- }
-
-#end[rw]
-
- public $Type$Buffer putInt(int x) {
-#if[rw]
- Bits.putInt(this, ix(nextPutIndex(4)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer putInt(int i, int x) {
-#if[rw]
- Bits.putInt(this, ix(checkIndex(i, 4)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public IntBuffer asIntBuffer() {
- int size = this.remaining() >> 2;
- int off = offset + position();
- return (bigEndian
- ? (IntBuffer)(new ByteBufferAsIntBuffer$RW$B(this,
- -1,
- 0,
- size,
- size,
- off))
- : (IntBuffer)(new ByteBufferAsIntBuffer$RW$L(this,
- -1,
- 0,
- size,
- size,
- off)));
- }
-
-
- // long
-
-#if[rw]
-
- public long getLong() {
- return Bits.getLong(this, ix(nextGetIndex(8)), bigEndian);
- }
-
- public long getLong(int i) {
- return Bits.getLong(this, ix(checkIndex(i, 8)), bigEndian);
- }
-
-#end[rw]
-
- public $Type$Buffer putLong(long x) {
-#if[rw]
- Bits.putLong(this, ix(nextPutIndex(8)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer putLong(int i, long x) {
-#if[rw]
- Bits.putLong(this, ix(checkIndex(i, 8)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public LongBuffer asLongBuffer() {
- int size = this.remaining() >> 3;
- int off = offset + position();
- return (bigEndian
- ? (LongBuffer)(new ByteBufferAsLongBuffer$RW$B(this,
- -1,
- 0,
- size,
- size,
- off))
- : (LongBuffer)(new ByteBufferAsLongBuffer$RW$L(this,
- -1,
- 0,
- size,
- size,
- off)));
- }
-
-
- // float
-
-#if[rw]
-
- public float getFloat() {
- return Bits.getFloat(this, ix(nextGetIndex(4)), bigEndian);
- }
-
- public float getFloat(int i) {
- return Bits.getFloat(this, ix(checkIndex(i, 4)), bigEndian);
- }
-
-#end[rw]
-
- public $Type$Buffer putFloat(float x) {
-#if[rw]
- Bits.putFloat(this, ix(nextPutIndex(4)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer putFloat(int i, float x) {
-#if[rw]
- Bits.putFloat(this, ix(checkIndex(i, 4)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public FloatBuffer asFloatBuffer() {
- int size = this.remaining() >> 2;
- int off = offset + position();
- return (bigEndian
- ? (FloatBuffer)(new ByteBufferAsFloatBuffer$RW$B(this,
- -1,
- 0,
- size,
- size,
- off))
- : (FloatBuffer)(new ByteBufferAsFloatBuffer$RW$L(this,
- -1,
- 0,
- size,
- size,
- off)));
- }
-
-
- // double
-
-#if[rw]
-
- public double getDouble() {
- return Bits.getDouble(this, ix(nextGetIndex(8)), bigEndian);
- }
-
- public double getDouble(int i) {
- return Bits.getDouble(this, ix(checkIndex(i, 8)), bigEndian);
- }
-
-#end[rw]
-
- public $Type$Buffer putDouble(double x) {
-#if[rw]
- Bits.putDouble(this, ix(nextPutIndex(8)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public $Type$Buffer putDouble(int i, double x) {
-#if[rw]
- Bits.putDouble(this, ix(checkIndex(i, 8)), x, bigEndian);
- return this;
-#else[rw]
- throw new ReadOnlyBufferException();
-#end[rw]
- }
-
- public DoubleBuffer asDoubleBuffer() {
- int size = this.remaining() >> 3;
- int off = offset + position();
- return (bigEndian
- ? (DoubleBuffer)(new ByteBufferAsDoubleBuffer$RW$B(this,
- -1,
- 0,
- size,
- size,
- off))
- : (DoubleBuffer)(new ByteBufferAsDoubleBuffer$RW$L(this,
- -1,
- 0,
- size,
- size,
- off)));
- }
-
-
-#end[byte]
-
-
-#if[char]
-
- String toString(int start, int end) { // package-private
- try {
- return new String(hb, start + offset, end - start);
- } catch (StringIndexOutOfBoundsException x) {
- throw new IndexOutOfBoundsException();
- }
- }
-
-
- // --- Methods to support CharSequence ---
-
- public CharBuffer subSequence(int start, int end) {
- if ((start < 0)
- || (end > length())
- || (start > end))
- throw new IndexOutOfBoundsException();
- int pos = position();
- return new HeapCharBuffer$RW$(hb,
- -1,
- pos + start,
- pos + end,
- capacity(),
- offset);
- }
-
-#end[char]
-
-
-#if[!byte]
-
- public ByteOrder order() {
- return ByteOrder.nativeOrder();
- }
-
-#end[!byte]
-
-}