ByteBufferHelper.java: New file.
2003-09-25 Michael Koch <konqueror@gmx.de> * java/nio/ByteBufferHelper.java: New file. * java/nio/ByteBufferImpl.java, java/nio/DirectByteBufferImpl.java, java/nio/MappedByteBufferImpl.java (getType,putType): Use new helper class ByteBufferHelper. * Makefile.am (ordinary_java_source_files): Added java/nio/ByteBufferHelper.java. * Makefile.in: Regenerated. From-SVN: r71757
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Michael Koch
Michael Koch
parent
e302977341
commit
5e2ba18bc1
5 changed files with 739 additions and 423 deletions
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@ -182,313 +182,121 @@ final class ByteBufferImpl extends ByteBuffer
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final public char getChar ()
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{
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if (remaining() < 2)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (char) (((get () & 0xff) << 8)
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+ (get () & 0xff));
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return ByteBufferHelper.getChar (this);
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}
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final public ByteBuffer putChar (char value)
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{
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if (remaining() < 2)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put ((byte) ((((int) value) & 0xff00) >> 8));
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put ((byte) (((int) value) & 0x00ff));
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return this;
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return ByteBufferHelper.putChar (this, value);
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}
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final public char getChar (int index)
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{
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if (remaining() < 2)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (char) (((get (index) & 0xff) << 8) + (get (index + 1) & 0xff));
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return ByteBufferHelper.getChar (this, index);
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}
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final public ByteBuffer putChar (int index, char value)
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{
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if (remaining() < 2)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put (index, (byte) ((((int) value) & 0xff00) >> 8));
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put (index + 1, (byte) (((int) value) & 0x00ff));
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return this;
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return ByteBufferHelper.putChar (this, index, value);
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}
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final public short getShort ()
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{
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if (remaining() < 2)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (short) (((get () & 0xff) << 8) + (get () & 0xff));
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return ByteBufferHelper.getShort (this);
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}
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final public ByteBuffer putShort (short value)
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{
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if (remaining() < 2)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put ((byte) ((((int) value) & 0xff00) >> 8));
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put ((byte) (((int) value) & 0x00ff));
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return this;
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return ByteBufferHelper.putShort (this, value);
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}
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final public short getShort (int index)
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{
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if (remaining() < 2)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (short) (((get (index) & 0xff) << 8) + (get (index + 1) & 0xff));
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return ByteBufferHelper.getShort (this, index);
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}
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final public ByteBuffer putShort (int index, short value)
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{
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if (remaining() < 2)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put (index, (byte) ((((int) value) & 0xff00) >> 8));
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put (index + 1, (byte) (((int) value) & 0x00ff));
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return this;
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return ByteBufferHelper.putShort (this, index, value);
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}
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final public int getInt ()
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{
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if (remaining() < 4)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (int) (((get () & 0xff) << 24)
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+ ((get () & 0xff) << 16)
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+ ((get () & 0xff) << 8)
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+ (get () & 0xff));
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return ByteBufferHelper.getInt (this);
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}
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final public ByteBuffer putInt (int value)
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{
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if (remaining() < 4)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put ((byte) ((value & 0xff000000) >> 24));
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put ((byte) ((value & 0x00ff0000) >> 16));
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put ((byte) ((value & 0x0000ff00) >> 8));
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put ((byte) (value & 0x000000ff));
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return this;
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return ByteBufferHelper.putInt (this, value);
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}
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final public int getInt (int index)
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{
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if (remaining() < 4)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (int) (((get (index) & 0xff) << 24)
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+ ((get (index + 1) & 0xff) << 16)
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+ ((get (index + 2) & 0xff) << 8)
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+ (get (index + 3) & 0xff));
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return ByteBufferHelper.getInt (this, index);
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}
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final public ByteBuffer putInt (int index, int value)
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{
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if (remaining() < 4)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put (index, (byte) ((value & 0xff000000) >> 24));
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put (index + 1, (byte) ((value & 0x00ff0000) >> 16));
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put (index + 2, (byte) ((value & 0x0000ff00) >> 8));
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put (index + 3, (byte) (value & 0x000000ff));
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return this;
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return ByteBufferHelper.putInt (this, index, value);
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}
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final public long getLong ()
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{
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if (remaining() < 8)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (long) (((get () & 0xff) << 56)
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+ ((get () & 0xff) << 48)
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+ ((get () & 0xff) << 40)
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+ ((get () & 0xff) << 32)
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+ ((get () & 0xff) << 24)
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+ ((get () & 0xff) << 16)
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+ ((get () & 0xff) << 8)
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+ (get () & 0xff));
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return ByteBufferHelper.getLong (this);
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}
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final public ByteBuffer putLong (long value)
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{
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if (remaining() < 8)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put ((byte) ((value & 0xff00000000000000L) >> 56));
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put ((byte) ((value & 0x00ff000000000000L) >> 48));
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put ((byte) ((value & 0x0000ff0000000000L) >> 40));
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put ((byte) ((value & 0x000000ff00000000L) >> 32));
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put ((byte) ((value & 0x00000000ff000000L) >> 24));
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put ((byte) ((value & 0x0000000000ff0000L) >> 16));
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put ((byte) ((value & 0x000000000000ff00L) >> 8));
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put ((byte) (value & 0x00000000000000ffL));
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return this;
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return ByteBufferHelper.putLong (this, value);
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}
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final public long getLong (int index)
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{
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if (remaining() < 8)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (long) (((get (index) & 0xff) << 56)
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+ ((get (index + 1) & 0xff) << 48)
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+ ((get (index + 2) & 0xff) << 40)
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+ ((get (index + 3) & 0xff) << 32)
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+ ((get (index + 4) & 0xff) << 24)
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+ ((get (index + 5) & 0xff) << 16)
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+ ((get (index + 6) & 0xff) << 8)
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+ (get (index + 7) & 0xff));
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return ByteBufferHelper.getLong (this, index);
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}
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final public ByteBuffer putLong (int index, long value)
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{
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if (remaining() < 8)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put (index, (byte) ((value & 0xff00000000000000L) >> 56));
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put (index + 1, (byte) ((value & 0x00ff000000000000L) >> 48));
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put (index + 2, (byte) ((value & 0x0000ff0000000000L) >> 40));
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put (index + 3, (byte) ((value & 0x000000ff00000000L) >> 32));
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put (index + 4, (byte) ((value & 0x00000000ff000000L) >> 24));
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put (index + 5, (byte) ((value & 0x0000000000ff0000L) >> 16));
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put (index + 6, (byte) ((value & 0x000000000000ff00L) >> 8));
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put (index + 7, (byte) (value & 0x00000000000000ffL));
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return this;
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return ByteBufferHelper.putLong (this, index, value);
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}
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final public float getFloat ()
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{
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if (remaining() < 4)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (float) (((get () & 0xff) << 24)
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+ ((get () & 0xff) << 16)
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+ ((get () & 0xff) << 8)
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+ (get () & 0xff));
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return ByteBufferHelper.getFloat (this);
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}
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final public ByteBuffer putFloat (float value)
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{
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if (remaining() < 4)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put ((byte) ((((int) value) & 0xff000000) >> 24));
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put ((byte) ((((int) value) & 0x00ff0000) >> 16));
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put ((byte) ((((int) value) & 0x0000ff00) >> 8));
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put ((byte) (((int) value) & 0x000000ff));
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return this;
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return ByteBufferHelper.putFloat (this, value);
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}
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final public float getFloat (int index)
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{
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if (remaining() < 4)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (float) (((get (index) & 0xff) << 24)
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+ ((get (index + 1) & 0xff) << 16)
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+ ((get (index + 2) & 0xff) << 8)
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+ (get (index + 3) & 0xff));
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return ByteBufferHelper.getFloat (this, index);
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}
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final public ByteBuffer putFloat (int index, float value)
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public final ByteBuffer putFloat (int index, float value)
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{
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if (remaining() < 4)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put (index, (byte) ((((int) value) & 0xff000000) >> 24));
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put (index + 1, (byte) ((((int) value) & 0x00ff0000) >> 16));
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put (index + 2, (byte) ((((int) value) & 0x0000ff00) >> 8));
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put (index + 3, (byte) (((int) value) & 0x000000ff));
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return this;
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return ByteBufferHelper.putFloat (this, index, value);
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}
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final public double getDouble ()
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{
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if (remaining() < 8)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (double) (((get () & 0xff) << 56)
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+ ((get () & 0xff) << 48)
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+ ((get () & 0xff) << 40)
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+ ((get () & 0xff) << 32)
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+ ((get () & 0xff) << 24)
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+ ((get () & 0xff) << 16)
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+ ((get () & 0xff) << 8)
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+ (get () & 0xff));
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return ByteBufferHelper.getDouble (this);
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}
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final public ByteBuffer putDouble (double value)
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{
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if (remaining() < 8)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put ((byte) ((((long) value) & 0xff00000000000000L) >> 56));
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put ((byte) ((((long) value) & 0x00ff000000000000L) >> 48));
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put ((byte) ((((long) value) & 0x0000ff0000000000L) >> 40));
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put ((byte) ((((long) value) & 0x000000ff00000000L) >> 32));
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put ((byte) ((((long) value) & 0x00000000ff000000L) >> 24));
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put ((byte) ((((long) value) & 0x0000000000ff0000L) >> 16));
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put ((byte) ((((long) value) & 0x000000000000ff00L) >> 8));
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put ((byte) (((long) value) & 0x00000000000000ffL));
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return this;
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return ByteBufferHelper.putDouble (this, value);
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}
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final public double getDouble (int index)
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{
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if (remaining() < 8)
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throw new BufferUnderflowException();
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// FIXME: this handles little endian only
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return (double) (((get (index) & 0xff) << 56)
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+ ((get (index + 1) & 0xff) << 48)
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+ ((get (index + 2) & 0xff) << 40)
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+ ((get (index + 3) & 0xff) << 32)
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+ ((get (index + 4) & 0xff) << 24)
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+ ((get (index + 5) & 0xff) << 16)
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+ ((get (index + 6) & 0xff) << 8)
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+ (get (index + 7) & 0xff));
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return ByteBufferHelper.getDouble (this, index);
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}
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final public ByteBuffer putDouble (int index, double value)
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{
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if (remaining() < 8)
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throw new BufferOverflowException();
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// FIXME: this handles little endian only
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put (index, (byte) ((((long) value) & 0xff00000000000000L) >> 56));
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put (index + 1, (byte) ((((long) value) & 0x00ff000000000000L) >> 48));
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put (index + 2, (byte) ((((long) value) & 0x0000ff0000000000L) >> 40));
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put (index + 3, (byte) ((((long) value) & 0x000000ff00000000L) >> 32));
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put (index + 4, (byte) ((((long) value) & 0x00000000ff000000L) >> 24));
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put (index + 5, (byte) ((((long) value) & 0x0000000000ff0000L) >> 16));
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put (index + 6, (byte) ((((long) value) & 0x000000000000ff00L) >> 8));
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put (index + 7, (byte) (((long) value) & 0x00000000000000ffL));
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return this;
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return ByteBufferHelper.putDouble (this, index, value);
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}
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}
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