jdk/src/share/classes/java/nio/Heap-X-Buffer.java
changeset 4135 08d5964ec7d4
parent 4134 430015834eb3
parent 4129 658d1b92c389
child 4140 9c3e48ab69a6
--- 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]
-
-}