p62xrbca7/java/nio/HeapByteBuffer.java

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14 KiB

/*
* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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// -- This file was mechanically generated: Do not edit! -- //
package java.nio;
/**
* A read/write HeapByteBuffer.
*/
class HeapByteBuffer
extends ByteBuffer
{
// For speed these fields are actually declared in X-Buffer;
// these declarations are here as documentation
/*
protected final byte[] hb;
protected final int offset;
*/
HeapByteBuffer(int cap, int lim) { // package-private
super(-1, 0, lim, cap, new byte[cap], 0);
/*
hb = new byte[cap];
offset = 0;
*/
}
HeapByteBuffer(byte[] buf, int off, int len) { // package-private
super(-1, off, off + len, buf.length, buf, 0);
/*
hb = buf;
offset = 0;
*/
}
protected HeapByteBuffer(byte[] buf,
int mark, int pos, int lim, int cap,
int off)
{
super(mark, pos, lim, cap, buf, off);
/*
hb = buf;
offset = off;
*/
}
public ByteBuffer slice() {
return new HeapByteBuffer(hb,
-1,
0,
this.remaining(),
this.remaining(),
this.position() + offset);
}
public ByteBuffer duplicate() {
return new HeapByteBuffer(hb,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
offset);
}
public ByteBuffer asReadOnlyBuffer() {
return new HeapByteBufferR(hb,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
offset);
}
protected int ix(int i) {
return i + offset;
}
public byte get() {
return hb[ix(nextGetIndex())];
}
public byte get(int i) {
return hb[ix(checkIndex(i))];
}
public ByteBuffer get(byte[] 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;
}
public boolean isReadOnly() {
return false;
}
public ByteBuffer put(byte x) {
hb[ix(nextPutIndex())] = x;
return this;
}
public ByteBuffer put(int i, byte x) {
hb[ix(checkIndex(i))] = x;
return this;
}
public ByteBuffer put(byte[] src, int offset, int length) {
checkBounds(offset, length, src.length);
if (length > remaining())
throw new BufferOverflowException();
System.arraycopy(src, offset, hb, ix(position()), length);
position(position() + length);
return this;
}
public ByteBuffer put(ByteBuffer src) {
if (src instanceof HeapByteBuffer) {
if (src == this)
throw new IllegalArgumentException();
HeapByteBuffer sb = (HeapByteBuffer)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;
}
public ByteBuffer compact() {
System.arraycopy(hb, ix(position()), hb, ix(0), remaining());
position(remaining());
limit(capacity());
discardMark();
return this;
}
byte _get(int i) { // package-private
return hb[i];
}
void _put(int i, byte b) { // package-private
hb[i] = b;
}
// char
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);
}
public ByteBuffer putChar(char x) {
Bits.putChar(this, ix(nextPutIndex(2)), x, bigEndian);
return this;
}
public ByteBuffer putChar(int i, char x) {
Bits.putChar(this, ix(checkIndex(i, 2)), x, bigEndian);
return this;
}
public CharBuffer asCharBuffer() {
int size = this.remaining() >> 1;
int off = offset + position();
return (bigEndian
? (CharBuffer)(new ByteBufferAsCharBufferB(this,
-1,
0,
size,
size,
off))
: (CharBuffer)(new ByteBufferAsCharBufferL(this,
-1,
0,
size,
size,
off)));
}
// short
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);
}
public ByteBuffer putShort(short x) {
Bits.putShort(this, ix(nextPutIndex(2)), x, bigEndian);
return this;
}
public ByteBuffer putShort(int i, short x) {
Bits.putShort(this, ix(checkIndex(i, 2)), x, bigEndian);
return this;
}
public ShortBuffer asShortBuffer() {
int size = this.remaining() >> 1;
int off = offset + position();
return (bigEndian
? (ShortBuffer)(new ByteBufferAsShortBufferB(this,
-1,
0,
size,
size,
off))
: (ShortBuffer)(new ByteBufferAsShortBufferL(this,
-1,
0,
size,
size,
off)));
}
// int
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);
}
public ByteBuffer putInt(int x) {
Bits.putInt(this, ix(nextPutIndex(4)), x, bigEndian);
return this;
}
public ByteBuffer putInt(int i, int x) {
Bits.putInt(this, ix(checkIndex(i, 4)), x, bigEndian);
return this;
}
public IntBuffer asIntBuffer() {
int size = this.remaining() >> 2;
int off = offset + position();
return (bigEndian
? (IntBuffer)(new ByteBufferAsIntBufferB(this,
-1,
0,
size,
size,
off))
: (IntBuffer)(new ByteBufferAsIntBufferL(this,
-1,
0,
size,
size,
off)));
}
// long
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);
}
public ByteBuffer putLong(long x) {
Bits.putLong(this, ix(nextPutIndex(8)), x, bigEndian);
return this;
}
public ByteBuffer putLong(int i, long x) {
Bits.putLong(this, ix(checkIndex(i, 8)), x, bigEndian);
return this;
}
public LongBuffer asLongBuffer() {
int size = this.remaining() >> 3;
int off = offset + position();
return (bigEndian
? (LongBuffer)(new ByteBufferAsLongBufferB(this,
-1,
0,
size,
size,
off))
: (LongBuffer)(new ByteBufferAsLongBufferL(this,
-1,
0,
size,
size,
off)));
}
// float
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);
}
public ByteBuffer putFloat(float x) {
Bits.putFloat(this, ix(nextPutIndex(4)), x, bigEndian);
return this;
}
public ByteBuffer putFloat(int i, float x) {
Bits.putFloat(this, ix(checkIndex(i, 4)), x, bigEndian);
return this;
}
public FloatBuffer asFloatBuffer() {
int size = this.remaining() >> 2;
int off = offset + position();
return (bigEndian
? (FloatBuffer)(new ByteBufferAsFloatBufferB(this,
-1,
0,
size,
size,
off))
: (FloatBuffer)(new ByteBufferAsFloatBufferL(this,
-1,
0,
size,
size,
off)));
}
// double
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);
}
public ByteBuffer putDouble(double x) {
Bits.putDouble(this, ix(nextPutIndex(8)), x, bigEndian);
return this;
}
public ByteBuffer putDouble(int i, double x) {
Bits.putDouble(this, ix(checkIndex(i, 8)), x, bigEndian);
return this;
}
public DoubleBuffer asDoubleBuffer() {
int size = this.remaining() >> 3;
int off = offset + position();
return (bigEndian
? (DoubleBuffer)(new ByteBufferAsDoubleBufferB(this,
-1,
0,
size,
size,
off))
: (DoubleBuffer)(new ByteBufferAsDoubleBufferL(this,
-1,
0,
size,
size,
off)));
}
}