diff options
Diffstat (limited to 'libjava/java/nio/ByteBuffer.java')
| -rw-r--r-- | libjava/java/nio/ByteBuffer.java | 49 |
1 files changed, 22 insertions, 27 deletions
diff --git a/libjava/java/nio/ByteBuffer.java b/libjava/java/nio/ByteBuffer.java index 8b43da5..34e3db9 100644 --- a/libjava/java/nio/ByteBuffer.java +++ b/libjava/java/nio/ByteBuffer.java @@ -100,8 +100,9 @@ public abstract class ByteBuffer extends Buffer } /** - * This method transfers <code>bytes<code> from this buffer into the given - * destination array. + * This method transfers <code>byte</code>s from this buffer into the given + * destination array. Before the transfer, it checks if there are fewer than + * length <code>byte</code>s remaining in this buffer. * * @param dst The destination array * @param offset The offset within the array of the first <code>byte</code> @@ -110,16 +111,14 @@ public abstract class ByteBuffer extends Buffer * must be non-negative and no larger than dst.length - offset. * * @exception BufferUnderflowException If there are fewer than length - * <code>bytes</code> remaining in this buffer. + * <code>byte</code>s remaining in this buffer. * @exception IndexOutOfBoundsException If the preconditions on the offset * and length parameters do not hold. */ public ByteBuffer get (byte[] dst, int offset, int length) { - if (offset < 0 || length < 0 || offset + length > dst.length) - throw new IndexOutOfBoundsException (); - if (length > remaining()) - throw new BufferUnderflowException(); + checkArraySize(dst.length, offset, length); + checkForUnderflow(length); for (int i = offset; i < offset + length; i++) { @@ -130,13 +129,13 @@ public abstract class ByteBuffer extends Buffer } /** - * This method transfers <code>bytes<code> from this buffer into the given + * This method transfers <code>byte</code>s from this buffer into the given * destination array. * * @param dst The byte array to write into. * * @exception BufferUnderflowException If there are fewer than dst.length - * <code>bytes</code> remaining in this buffer. + * <code>byte</code>s remaining in this buffer. */ public ByteBuffer get (byte[] dst) { @@ -145,12 +144,13 @@ public abstract class ByteBuffer extends Buffer /** * Writes the content of the the <code>ByteBUFFER</code> src - * into the buffer. + * into the buffer. Before the transfer, it checks if there is fewer than + * <code>src.remaining()</code> space remaining in this buffer. * * @param src The source data. * * @exception BufferOverflowException If there is insufficient space in this - * buffer for the remaining <code>bytes<code> in the source buffer. + * buffer for the remaining <code>byte</code>s in the source buffer. * @exception IllegalArgumentException If the source buffer is this buffer. * @exception ReadOnlyBufferException If this buffer is read-only. */ @@ -159,8 +159,7 @@ public abstract class ByteBuffer extends Buffer if (src == this) throw new IllegalArgumentException (); - if (src.remaining () > remaining ()) - throw new BufferOverflowException (); + checkForOverflow(src.remaining()); if (src.remaining () > 0) { @@ -174,7 +173,8 @@ public abstract class ByteBuffer extends Buffer /** * Writes the content of the the <code>byte array</code> src - * into the buffer. + * into the buffer. Before the transfer, it checks if there is fewer than + * length space remaining in this buffer. * * @param src The array to copy into the buffer. * @param offset The offset within the array of the first byte to be read; @@ -183,18 +183,15 @@ public abstract class ByteBuffer extends Buffer * must be non-negative and no larger than src.length - offset. * * @exception BufferOverflowException If there is insufficient space in this - * buffer for the remaining <code>bytes<code> in the source array. + * buffer for the remaining <code>byte</code>s in the source array. * @exception IndexOutOfBoundsException If the preconditions on the offset * and length parameters do not hold * @exception ReadOnlyBufferException If this buffer is read-only. */ public ByteBuffer put (byte[] src, int offset, int length) { - if ((offset < 0) || - (offset > src.length) || - (length < 0) || - (length > src.length - offset)) - throw new IndexOutOfBoundsException (); + checkArraySize(src.length, offset, length); + checkForOverflow(length); for (int i = offset; i < offset + length; i++) put (src [i]); @@ -209,7 +206,7 @@ public abstract class ByteBuffer extends Buffer * @param src The array to copy into the buffer. * * @exception BufferOverflowException If there is insufficient space in this - * buffer for the remaining <code>bytes<code> in the source array. + * buffer for the remaining <code>byte</code>s in the source array. * @exception ReadOnlyBufferException If this buffer is read-only. */ public final ByteBuffer put (byte[] src) @@ -239,8 +236,7 @@ public abstract class ByteBuffer extends Buffer if (backing_buffer == null) throw new UnsupportedOperationException (); - if (isReadOnly ()) - throw new ReadOnlyBufferException (); + checkIfReadOnly(); return backing_buffer; } @@ -257,8 +253,7 @@ public abstract class ByteBuffer extends Buffer if (backing_buffer == null) throw new UnsupportedOperationException (); - if (isReadOnly ()) - throw new ReadOnlyBufferException (); + checkIfReadOnly(); return array_offset; } @@ -338,7 +333,7 @@ public abstract class ByteBuffer extends Buffer * and then increments the position. * * @exception BufferUnderflowException If there are no remaining - * <code>bytes</code> in this buffer. + * <code>byte</code>s in this buffer. */ public abstract byte get (); @@ -347,7 +342,7 @@ public abstract class ByteBuffer extends Buffer * and then increments the position. * * @exception BufferOverflowException If there no remaining - * <code>bytes</code> in this buffer. + * <code>byte</code>s in this buffer. * @exception ReadOnlyBufferException If this buffer is read-only. */ public abstract ByteBuffer put (byte b); |