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

package java.nio;

A read/write HeapByteBuffer.
/** * A read/write HeapByteBuffer. */
class HeapByteBuffer extends ByteBuffer { // Cached array base offset private static final long ARRAY_BASE_OFFSET = UNSAFE.arrayBaseOffset(byte[].class); // Cached array base offset private static final long ARRAY_INDEX_SCALE = UNSAFE.arrayIndexScale(byte[].class); // 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; */ this.address = ARRAY_BASE_OFFSET; } HeapByteBuffer(byte[] buf, int off, int len) { // package-private super(-1, off, off + len, buf.length, buf, 0); /* hb = buf; offset = 0; */ this.address = ARRAY_BASE_OFFSET; } 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; */ this.address = ARRAY_BASE_OFFSET + off * ARRAY_INDEX_SCALE; } public ByteBuffer slice() { int pos = this.position(); int lim = this.limit(); int rem = (pos <= lim ? lim - pos : 0); return new HeapByteBuffer(hb, -1, 0, rem, rem, pos + offset); } ByteBuffer slice(int pos, int lim) { assert (pos >= 0); assert (pos <= lim); int rem = lim - pos; return new HeapByteBuffer(hb, -1, 0, rem, rem, pos + 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; } private long byteOffset(long i) { return address + i; } 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); int pos = position(); if (length > limit() - pos) throw new BufferUnderflowException(); System.arraycopy(hb, ix(pos), dst, offset, length); position(pos + 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); int pos = position(); if (length > limit() - pos) throw new BufferOverflowException(); System.arraycopy(src, offset, hb, ix(pos), length); position(pos + length); return this; } public ByteBuffer put(ByteBuffer src) { if (src instanceof HeapByteBuffer) { if (src == this) throw createSameBufferException(); HeapByteBuffer sb = (HeapByteBuffer)src; int pos = position(); int sbpos = sb.position(); int n = sb.limit() - sbpos; if (n > limit() - pos) throw new BufferOverflowException(); System.arraycopy(sb.hb, sb.ix(sbpos), hb, ix(pos), n); sb.position(sbpos + n); position(pos + n); } else if (src.isDirect()) { int n = src.remaining(); int pos = position(); if (n > limit() - pos) throw new BufferOverflowException(); src.get(hb, ix(pos), n); position(pos + n); } else { super.put(src); } return this; } public ByteBuffer compact() { int pos = position(); int rem = limit() - pos; System.arraycopy(hb, ix(pos), hb, ix(0), rem); position(rem); 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 UNSAFE.getCharUnaligned(hb, byteOffset(nextGetIndex(2)), bigEndian); } public char getChar(int i) { return UNSAFE.getCharUnaligned(hb, byteOffset(checkIndex(i, 2)), bigEndian); } public ByteBuffer putChar(char x) { UNSAFE.putCharUnaligned(hb, byteOffset(nextPutIndex(2)), x, bigEndian); return this; } public ByteBuffer putChar(int i, char x) { UNSAFE.putCharUnaligned(hb, byteOffset(checkIndex(i, 2)), x, bigEndian); return this; } public CharBuffer asCharBuffer() { int pos = position(); int size = (limit() - pos) >> 1; long addr = address + pos; return (bigEndian ? (CharBuffer)(new ByteBufferAsCharBufferB(this, -1, 0, size, size, addr)) : (CharBuffer)(new ByteBufferAsCharBufferL(this, -1, 0, size, size, addr))); } // short public short getShort() { return UNSAFE.getShortUnaligned(hb, byteOffset(nextGetIndex(2)), bigEndian); } public short getShort(int i) { return UNSAFE.getShortUnaligned(hb, byteOffset(checkIndex(i, 2)), bigEndian); } public ByteBuffer putShort(short x) { UNSAFE.putShortUnaligned(hb, byteOffset(nextPutIndex(2)), x, bigEndian); return this; } public ByteBuffer putShort(int i, short x) { UNSAFE.putShortUnaligned(hb, byteOffset(checkIndex(i, 2)), x, bigEndian); return this; } public ShortBuffer asShortBuffer() { int pos = position(); int size = (limit() - pos) >> 1; long addr = address + pos; return (bigEndian ? (ShortBuffer)(new ByteBufferAsShortBufferB(this, -1, 0, size, size, addr)) : (ShortBuffer)(new ByteBufferAsShortBufferL(this, -1, 0, size, size, addr))); } // int public int getInt() { return UNSAFE.getIntUnaligned(hb, byteOffset(nextGetIndex(4)), bigEndian); } public int getInt(int i) { return UNSAFE.getIntUnaligned(hb, byteOffset(checkIndex(i, 4)), bigEndian); } public ByteBuffer putInt(int x) { UNSAFE.putIntUnaligned(hb, byteOffset(nextPutIndex(4)), x, bigEndian); return this; } public ByteBuffer putInt(int i, int x) { UNSAFE.putIntUnaligned(hb, byteOffset(checkIndex(i, 4)), x, bigEndian); return this; } public IntBuffer asIntBuffer() { int pos = position(); int size = (limit() - pos) >> 2; long addr = address + pos; return (bigEndian ? (IntBuffer)(new ByteBufferAsIntBufferB(this, -1, 0, size, size, addr)) : (IntBuffer)(new ByteBufferAsIntBufferL(this, -1, 0, size, size, addr))); } // long public long getLong() { return UNSAFE.getLongUnaligned(hb, byteOffset(nextGetIndex(8)), bigEndian); } public long getLong(int i) { return UNSAFE.getLongUnaligned(hb, byteOffset(checkIndex(i, 8)), bigEndian); } public ByteBuffer putLong(long x) { UNSAFE.putLongUnaligned(hb, byteOffset(nextPutIndex(8)), x, bigEndian); return this; } public ByteBuffer putLong(int i, long x) { UNSAFE.putLongUnaligned(hb, byteOffset(checkIndex(i, 8)), x, bigEndian); return this; } public LongBuffer asLongBuffer() { int pos = position(); int size = (limit() - pos) >> 3; long addr = address + pos; return (bigEndian ? (LongBuffer)(new ByteBufferAsLongBufferB(this, -1, 0, size, size, addr)) : (LongBuffer)(new ByteBufferAsLongBufferL(this, -1, 0, size, size, addr))); } // float public float getFloat() { int x = UNSAFE.getIntUnaligned(hb, byteOffset(nextGetIndex(4)), bigEndian); return Float.intBitsToFloat(x); } public float getFloat(int i) { int x = UNSAFE.getIntUnaligned(hb, byteOffset(checkIndex(i, 4)), bigEndian); return Float.intBitsToFloat(x); } public ByteBuffer putFloat(float x) { int y = Float.floatToRawIntBits(x); UNSAFE.putIntUnaligned(hb, byteOffset(nextPutIndex(4)), y, bigEndian); return this; } public ByteBuffer putFloat(int i, float x) { int y = Float.floatToRawIntBits(x); UNSAFE.putIntUnaligned(hb, byteOffset(checkIndex(i, 4)), y, bigEndian); return this; } public FloatBuffer asFloatBuffer() { int pos = position(); int size = (limit() - pos) >> 2; long addr = address + pos; return (bigEndian ? (FloatBuffer)(new ByteBufferAsFloatBufferB(this, -1, 0, size, size, addr)) : (FloatBuffer)(new ByteBufferAsFloatBufferL(this, -1, 0, size, size, addr))); } // double public double getDouble() { long x = UNSAFE.getLongUnaligned(hb, byteOffset(nextGetIndex(8)), bigEndian); return Double.longBitsToDouble(x); } public double getDouble(int i) { long x = UNSAFE.getLongUnaligned(hb, byteOffset(checkIndex(i, 8)), bigEndian); return Double.longBitsToDouble(x); } public ByteBuffer putDouble(double x) { long y = Double.doubleToRawLongBits(x); UNSAFE.putLongUnaligned(hb, byteOffset(nextPutIndex(8)), y, bigEndian); return this; } public ByteBuffer putDouble(int i, double x) { long y = Double.doubleToRawLongBits(x); UNSAFE.putLongUnaligned(hb, byteOffset(checkIndex(i, 8)), y, bigEndian); return this; } public DoubleBuffer asDoubleBuffer() { int pos = position(); int size = (limit() - pos) >> 3; long addr = address + pos; return (bigEndian ? (DoubleBuffer)(new ByteBufferAsDoubleBufferB(this, -1, 0, size, size, addr)) : (DoubleBuffer)(new ByteBufferAsDoubleBufferL(this, -1, 0, size, size, addr))); } }