diff options
Diffstat (limited to 'java/nio/ByteBufferImpl.java')
-rw-r--r-- | java/nio/ByteBufferImpl.java | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/java/nio/ByteBufferImpl.java b/java/nio/ByteBufferImpl.java index 7013546f0..47961700a 100644 --- a/java/nio/ByteBufferImpl.java +++ b/java/nio/ByteBufferImpl.java @@ -149,7 +149,38 @@ final class ByteBufferImpl extends ByteBuffer return backing_buffer [(pos++) + array_offset]; } - + + /** + * Bulk get + */ + public ByteBuffer get (byte[] dst, int offset, int length) + { + checkArraySize(dst.length, offset, length); + if ( (limit - pos) < length) // check for overflow + throw new BufferUnderflowException(); + + System.arraycopy(backing_buffer, pos + array_offset, + dst, offset, length); + pos += length; + + return this; + } + + /** + * Relative bulk put(), overloads the ByteBuffer impl. + */ + public ByteBuffer put (byte[] src, int offset, int length) + { + if ( (limit - pos) < length) // check for overflow + throw new BufferOverflowException(); + checkArraySize(src.length, offset, length); + + System.arraycopy(src, offset, backing_buffer, pos + array_offset, length); + pos += length; + + return this; + } + /** * Relative put method. Writes <code>value</code> to the next position * in the buffer. @@ -207,7 +238,21 @@ final class ByteBufferImpl extends ByteBuffer public ByteBuffer putChar (char value) { - ByteBufferHelper.putChar(this, value, order()); + if (readOnly) + throw new ReadOnlyBufferException (); + if ( (limit-pos) < 2) + throw new BufferOverflowException(); + + if (endian == ByteOrder.LITTLE_ENDIAN) + { + backing_buffer [(pos++) + array_offset] = (byte)(value&0xFF); + backing_buffer [(pos++) + array_offset] = (byte)(value>>8); + } + else + { + backing_buffer [(pos++) + array_offset] = (byte)(value>>8); + backing_buffer [(pos++) + array_offset] = (byte)(value&0xFF); + } return this; } |