| /* |
| * Copyright (c) 2000, 2008, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.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] |
| |
| } |
