diff --git a/libjava/ChangeLog b/libjava/ChangeLog index 0aed87438e7..baa470a9461 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,3 +1,38 @@ +2003-05-13 Michael Koch + + * gnu/java/nio/ByteBufferImpl.java + (ByteBufferImpl): All constructors revised. + (slice): Reimplemented. + (duplicate): Reimplemented. + (asReadOnlyBuffer): Reimplemented. + * java/nio/ByteBuffer.java: + Reformatted. + (array_offset): Renamed from "offset" to match all other buffer + classes. + (ByteBuffer): All constructors revised. + (allocateDirect): Implemented. + (allocate): New implementation, documentation reworked. + (wrap): Likewise. + (get): Documentation reworked. + (put): New implementation, documentation reworked. + (hasArray): Documentation reworked. + (arrayOffset): Likewise. + (hashCode): Likewise. + (equals): Likewise. + (compareTo): Likewise. + (order): Likewise. + (compact): Likewise. + (isDirect): Likewise. + (slice): Likewise. + (duplicate): Likewise. + (asReadOnlyBuffer): Likewise. + * Makefile.am + (ordinary_java_source_files): + Added gnu/java/nio/DirectByteBufferImpl.java. + (nat_source_files): + Added gnu/java/nio/natDirectByteBufferImpl.cc. + * Makefile.in: Regenerated. + 2003-05-12 Michael Koch * gnu/java/nio/ByteBufferImpl.java: Reformatted. diff --git a/libjava/Makefile.am b/libjava/Makefile.am index e745528242a..2f394ddd42e 100644 --- a/libjava/Makefile.am +++ b/libjava/Makefile.am @@ -2100,6 +2100,7 @@ gnu/java/nio/ByteBufferImpl.java \ gnu/java/nio/CharBufferImpl.java \ gnu/java/nio/CharViewBufferImpl.java \ gnu/java/nio/DatagramChannelImpl.java \ +gnu/java/nio/DirectByteBufferImpl.java \ gnu/java/nio/DoubleBufferImpl.java \ gnu/java/nio/DoubleViewBufferImpl.java \ gnu/java/nio/FileChannelImpl.java \ @@ -2561,6 +2562,7 @@ gnu/gcj/runtime/natSharedLibLoader.cc \ gnu/gcj/runtime/natStackTrace.cc \ gnu/gcj/runtime/natStringBuffer.cc \ gnu/gcj/runtime/natVMClassLoader.cc \ +gnu/java/nio/natDirectByteBufferImpl.cc \ gnu/java/nio/natFileChannelImpl.cc \ gnu/java/nio/natMappedByteFileBuffer.cc \ gnu/java/nio/natSelectorImpl.cc \ diff --git a/libjava/Makefile.in b/libjava/Makefile.in index 6aa88cc8cd4..78eec34c1bb 100644 --- a/libjava/Makefile.in +++ b/libjava/Makefile.in @@ -1862,6 +1862,7 @@ gnu/java/nio/ByteBufferImpl.java \ gnu/java/nio/CharBufferImpl.java \ gnu/java/nio/CharViewBufferImpl.java \ gnu/java/nio/DatagramChannelImpl.java \ +gnu/java/nio/DirectByteBufferImpl.java \ gnu/java/nio/DoubleBufferImpl.java \ gnu/java/nio/DoubleViewBufferImpl.java \ gnu/java/nio/FileChannelImpl.java \ @@ -2322,6 +2323,7 @@ gnu/gcj/runtime/natSharedLibLoader.cc \ gnu/gcj/runtime/natStackTrace.cc \ gnu/gcj/runtime/natStringBuffer.cc \ gnu/gcj/runtime/natVMClassLoader.cc \ +gnu/java/nio/natDirectByteBufferImpl.cc \ gnu/java/nio/natFileChannelImpl.cc \ gnu/java/nio/natMappedByteFileBuffer.cc \ gnu/java/nio/natSelectorImpl.cc \ @@ -2496,7 +2498,9 @@ gnu/gcj/io/shs.lo gnu/gcj/protocol/core/natCoreInputStream.lo \ gnu/gcj/runtime/natFinalizerThread.lo gnu/gcj/runtime/natFirstThread.lo \ gnu/gcj/runtime/natNameFinder.lo gnu/gcj/runtime/natSharedLibLoader.lo \ gnu/gcj/runtime/natStackTrace.lo gnu/gcj/runtime/natStringBuffer.lo \ -gnu/gcj/runtime/natVMClassLoader.lo gnu/java/nio/natFileChannelImpl.lo \ +gnu/gcj/runtime/natVMClassLoader.lo \ +gnu/java/nio/natDirectByteBufferImpl.lo \ +gnu/java/nio/natFileChannelImpl.lo \ gnu/java/nio/natMappedByteFileBuffer.lo gnu/java/nio/natSelectorImpl.lo \ gnu/java/nio/natSocketChannelImpl.lo java/io/natFile.lo \ java/io/natFileDescriptor.lo java/io/natObjectInputStream.lo \ @@ -2963,6 +2967,7 @@ DEP_FILES = .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \ .deps/gnu/java/nio/CharBufferImpl.P \ .deps/gnu/java/nio/CharViewBufferImpl.P \ .deps/gnu/java/nio/DatagramChannelImpl.P \ +.deps/gnu/java/nio/DirectByteBufferImpl.P \ .deps/gnu/java/nio/DoubleBufferImpl.P \ .deps/gnu/java/nio/DoubleViewBufferImpl.P \ .deps/gnu/java/nio/FileChannelImpl.P \ @@ -2988,6 +2993,7 @@ DEP_FILES = .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \ .deps/gnu/java/nio/charset/UTF_16Encoder.P \ .deps/gnu/java/nio/charset/UTF_16LE.P \ .deps/gnu/java/nio/charset/UTF_8.P \ +.deps/gnu/java/nio/natDirectByteBufferImpl.P \ .deps/gnu/java/nio/natFileChannelImpl.P \ .deps/gnu/java/nio/natMappedByteFileBuffer.P \ .deps/gnu/java/nio/natSelectorImpl.P \ diff --git a/libjava/gnu/java/nio/ByteBufferImpl.java b/libjava/gnu/java/nio/ByteBufferImpl.java index 7b7f72e5fb0..cc7fabb5941 100644 --- a/libjava/gnu/java/nio/ByteBufferImpl.java +++ b/libjava/gnu/java/nio/ByteBufferImpl.java @@ -53,19 +53,16 @@ import java.nio.ShortBuffer; public final class ByteBufferImpl extends ByteBuffer { private boolean readOnly; - - public ByteBufferImpl (int cap, int off, int lim) - { - super (cap, lim, off, 0); - this.backing_buffer = new byte [cap]; - readOnly = false; - } - public ByteBufferImpl (byte[] array, int offset, int length) + ByteBufferImpl (int capacity) { - super (array.length, length, offset, 0); - this.backing_buffer = array; - readOnly = false; + this (new byte [capacity], 0, capacity, capacity, 0, -1, false); + } + + ByteBufferImpl (byte[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly) + { + super (buffer, offset, capacity, limit, position, mark); + this.readOnly = readOnly; } public ByteBufferImpl (ByteBufferImpl copy) @@ -117,19 +114,17 @@ public final class ByteBufferImpl extends ByteBuffer public ByteBuffer slice () { - return new ByteBufferImpl (this); + return new ByteBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ()); } public ByteBuffer duplicate () { - return new ByteBufferImpl (this); + return new ByteBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ()); } public ByteBuffer asReadOnlyBuffer () { - ByteBufferImpl a = new ByteBufferImpl (this); - a.readOnly = true; - return a; + return new ByteBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true); } public ByteBuffer compact () diff --git a/libjava/java/nio/ByteBuffer.java b/libjava/java/nio/ByteBuffer.java index 5a687cac611..66c31ed76bb 100644 --- a/libjava/java/nio/ByteBuffer.java +++ b/libjava/java/nio/ByteBuffer.java @@ -1,5 +1,5 @@ /* ByteBuffer.java -- - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2003 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,70 +38,81 @@ exception statement from your version. */ package java.nio; import gnu.java.nio.ByteBufferImpl; +import gnu.java.nio.DirectByteBufferImpl; /** * @since 1.4 */ -public abstract class ByteBuffer extends Buffer implements Comparable +public abstract class ByteBuffer extends Buffer + implements Comparable { private ByteOrder endian = ByteOrder.BIG_ENDIAN; - int offset; + int array_offset; byte[] backing_buffer; - + + ByteBuffer (int capacity, int limit, int position, int mark) + { + super (capacity, limit, position, mark); + array_offset = 0; + } + + ByteBuffer (byte[] buffer, int offset, int capacity, int limit, int position, int mark) + { + super (capacity, limit, position, mark); + this.backing_buffer = buffer; + this.array_offset = offset; + } /** * Allocates a new direct byte buffer. */ public static ByteBuffer allocateDirect (int capacity) { - throw new Error ("direct buffers are not implemented"); + return DirectByteBufferImpl.allocate (capacity); } /** - * Allocates a new byte buffer. + * Allocates a new ByteBuffer object with a given capacity. */ public static ByteBuffer allocate (int capacity) { - return new ByteBufferImpl (capacity, 0, capacity); + return new ByteBufferImpl (capacity); } - + /** - * Wraps a byte array into a buffer. - * + * Wraps a byte array into a ByteBuffer + * object. + * * @exception IndexOutOfBoundsException If the preconditions on the offset * and length parameters do not hold */ final public static ByteBuffer wrap (byte[] array, int offset, int length) { - return new ByteBufferImpl (array, offset, length); + return new ByteBufferImpl (array, 0, array.length, offset + length, offset, -1, false); } /** - * Wraps a byte array into a buffer. + * Wraps a byte array into a ByteBuffer + * object. */ final public static ByteBuffer wrap (byte[] array) { return wrap (array, 0, array.length); } - - ByteBuffer (int capacity, int limit, int position, int mark) - { - super (capacity, limit, position, mark); - } - + /** - * This method transfers bytes from this buffer into - * the given destination array. + * This method transfers bytes from this buffer into the given + * destination array. * * @param dst The destination array - * @param offset The offset within the array of the first byte to be written; - * must be non-negative and no larger than dst.length. + * @param offset The offset within the array of the first byte + * to be written; must be non-negative and no larger than dst.length. * @param length The maximum number of bytes to be written to the given array; * must be non-negative and no larger than dst.length - offset. * - * @exception BufferUnderflowException If there are fewer than length bytes - * remaining in this buffer. - * @exception IndexOutOfBoundsException - If the preconditions on the offset + * @exception BufferUnderflowException If there are fewer than length + * bytes 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) @@ -114,61 +125,70 @@ public abstract class ByteBuffer extends Buffer implements Comparable for (int i = offset; i < offset + length; i++) { - dst [i] = get(); + dst [i] = get (); } return this; } /** - * This method transfers bytes from this buffer into the given + * This method transfers bytes 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 - * bytes remaining in this buffer. + * bytes remaining in this buffer. */ public ByteBuffer get (byte[] dst) { return get (dst, 0, dst.length); } - + /** - * Writes the content of src into the buffer. + * Writes the content of the the ByteBUFFER src + * into the buffer. * * @param src The source data. * * @exception BufferOverflowException If there is insufficient space in this - * buffer for the remaining bytes in the source buffer. + * buffer for the remaining bytes in the source buffer. * @exception IllegalArgumentException If the source buffer is this buffer. - * @exception ReadOnlyBufferException If this buffer is read only. + * @exception ReadOnlyBufferException If this buffer is read-only. */ public ByteBuffer put (ByteBuffer src) { if (src == this) throw new IllegalArgumentException (); - while (src.hasRemaining ()) - put (src.get ()); - + if (src.remaining () > remaining ()) + throw new BufferOverflowException (); + + if (src.remaining () > 0) + { + byte[] toPut = new byte [src.remaining ()]; + src.get (toPut); + src.put (toPut); + } + return this; } /** - * Writes the content of the the array src into the buffer. + * Writes the content of the the byte array src + * into the buffer. * * @param src The array to copy into the buffer. * @param offset The offset within the array of the first byte to be read; * must be non-negative and no larger than src.length. * @param length The number of bytes to be read from the given array; * must be non-negative and no larger than src.length - offset. - * + * * @exception BufferOverflowException If there is insufficient space in this - * buffer for the remaining bytes in the source buffer. + * buffer for the remaining bytes 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. + * and length parameters do not hold + * @exception ReadOnlyBufferException If this buffer is read-only. */ public ByteBuffer put (byte[] src, int offset, int length) { @@ -180,18 +200,19 @@ public abstract class ByteBuffer extends Buffer implements Comparable for (int i = offset; i < offset + length; i++) put (src [i]); - + return this; } /** - * Writes the content of the the array src into the buffer. + * Writes the content of the the byte array src + * into the buffer. * * @param src The array to copy into the buffer. - * + * * @exception BufferOverflowException If there is insufficient space in this - * buffer for the remaining bytes in the source buffer. - * @exception ReadOnlyBufferException If this buffer is read only. + * buffer for the remaining bytes in the source array. + * @exception ReadOnlyBufferException If this buffer is read-only. */ public final ByteBuffer put (byte[] src) { @@ -199,19 +220,19 @@ public abstract class ByteBuffer extends Buffer implements Comparable } /** - * Tells whether or not this buffer is backed by an accessible array. + * Tells whether ot not this buffer is backed by an accessible + * byte array. */ public final boolean hasArray () { return (backing_buffer != null - && !isReadOnly ()); + && !isReadOnly ()); } /** - * Returns the byte array that backs this buffer. + * Returns the byte array that backs this buffer. * - * @exception ReadOnlyBufferException If this buffer is backed by an array - * but is read-only. + * @exception ReadOnlyBufferException If this buffer is read-only. * @exception UnsupportedOperationException If this buffer is not backed * by an accessible array. */ @@ -222,16 +243,14 @@ public abstract class ByteBuffer extends Buffer implements Comparable if (isReadOnly ()) throw new ReadOnlyBufferException (); - + return backing_buffer; } /** - * Returns the offset within this buffer's backing array of the first element - * of the buffer + * Returns the offset within this buffer's backing array of the first element. * - * @exception ReadOnlyBufferException If this buffer is backed by an array - * but is read-only. + * @exception ReadOnlyBufferException If this buffer is read-only. * @exception UnsupportedOperationException If this buffer is not backed * by an accessible array. */ @@ -242,21 +261,21 @@ public abstract class ByteBuffer extends Buffer implements Comparable if (isReadOnly ()) throw new ReadOnlyBufferException (); - - return offset; + + return array_offset; } - + /** - * Returns the current hash code of this buffer. + * Calculates a hash code for this buffer. */ - public int hashCode() + public int hashCode () { - // FIXME: Check what SUN calculates here - return super.hashCode(); + // FIXME: Check what SUN calculates here. + return super.hashCode (); } /** - * Tells whether or not this buffer is equal to another object. + * Checks if this buffer is equal to obj. */ public boolean equals (Object obj) { @@ -265,51 +284,50 @@ public abstract class ByteBuffer extends Buffer implements Comparable { return compareTo (obj) == 0; } - + return false; } - + /** - * Compares this buffer to another object. + * Compares two ByteBuffer objects. * - * @exception ClassCastException If the argument is not a byte buffer + * @exception ClassCastException If obj is not an object derived from + * ByteBuffer. */ public int compareTo (Object obj) { ByteBuffer a = (ByteBuffer) obj; - if (a.remaining() != remaining()) + if (a.remaining () != remaining ()) + return 1; + + if (! hasArray () || + ! a.hasArray ()) { return 1; } - - if (! hasArray() || - ! a.hasArray()) - { - return 1; - } - - int r = remaining(); + + int r = remaining (); int i1 = position (); int i2 = a.position (); - + for (int i = 0; i < r; i++) { int t = (int) (get (i1) - a.get (i2)); - + if (t != 0) { return (int) t; } } - + return 0; } /** - * Retrieves this buffer's byte order. + * Returns the byte order of this buffer. */ - public final ByteOrder order() + public final ByteOrder order () { return endian; } @@ -324,97 +342,100 @@ public abstract class ByteBuffer extends Buffer implements Comparable } /** - * Reads the byte at this buffer's current position, + * Reads the byte at this buffer's current position, * and then increments the position. * - * @exception BufferUnderflowException If the buffer's current position - * is not smaller than its limit. + * @exception BufferUnderflowException If there are no remaining + * bytes in this buffer. */ public abstract byte get (); - + /** - * Relative put method. + * Writes the byte at this buffer's current position, + * and then increments the position. * - * @exception BufferOverflowException If this buffer's current position is - * not smaller than its limit. + * @exception BufferOverflowException If there no remaining + * bytes in this buffer. * @exception ReadOnlyBufferException If this buffer is read-only. */ public abstract ByteBuffer put (byte b); - + /** * Absolute get method. * - * @exception IndexOutOfBoundsException If index < 0 or index >= this - * buffers limit. + * @exception IndexOutOfBoundsException If index is negative or not smaller + * than the buffer's limit. */ public abstract byte get (int index); /** * Absolute put method. * - * @exception ReadOnlyBufferException If this buffer is read-only - * @exception IndexOutOfBoundsException If index < 0 or index >= this - * buffers limit. + * @exception IndexOutOfBoundsException If index is negative or not smaller + * than the buffer's limit. + * @exception ReadOnlyBufferException If this buffer is read-only. */ public abstract ByteBuffer put (int index, byte b); - - /** - * Compacts this buffer. - * - * @exception ReadOnlyBufferException If this buffer is read-only - */ - public abstract ByteBuffer compact(); /** - * Tells whether or not this buffer is direct. + * Compacts this buffer. + * + * @exception ReadOnlyBufferException If this buffer is read-only. */ - public abstract boolean isDirect(); - + public abstract ByteBuffer compact (); + /** - * Creates a new byte buffer whose content is a shared subsequence of this + * Tells wether or not this buffer is direct. + */ + public abstract boolean isDirect (); + + /** + * Creates a new ByteBuffer whose content is a shared + * subsequence of this buffer's content. + */ + public abstract ByteBuffer slice (); + + /** + * Creates a new ByteBuffer that shares this buffer's + * content. + */ + public abstract ByteBuffer duplicate (); + + /** + * Creates a new read-only ByteBuffer that shares this * buffer's content. */ - public abstract ByteBuffer slice(); - - /** - * Creates a new byte buffer that shares this buffer's content. - */ - public abstract ByteBuffer duplicate(); - - /** - * Creates a new, read-only byte buffer that shares this buffer's content. - */ - public abstract ByteBuffer asReadOnlyBuffer(); + public abstract ByteBuffer asReadOnlyBuffer (); /** * Creates a view of this byte buffer as a short buffer. */ - public abstract ShortBuffer asShortBuffer(); + public abstract ShortBuffer asShortBuffer (); /** * Creates a view of this byte buffer as a char buffer. */ - public abstract CharBuffer asCharBuffer(); + public abstract CharBuffer asCharBuffer (); /** * Creates a view of this byte buffer as an integer buffer. */ - public abstract IntBuffer asIntBuffer(); + public abstract IntBuffer asIntBuffer (); /** * Creates a view of this byte buffer as a long buffer. */ - public abstract LongBuffer asLongBuffer(); + public abstract LongBuffer asLongBuffer (); /** * Creates a view of this byte buffer as a float buffer. */ - public abstract FloatBuffer asFloatBuffer(); + public abstract FloatBuffer asFloatBuffer (); /** * Creates a view of this byte buffer as a double buffer. */ - public abstract DoubleBuffer asDoubleBuffer(); + public abstract DoubleBuffer asDoubleBuffer (); /** * Relative get method for reading a character value. @@ -422,7 +443,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferUnderflowException If there are fewer than two bytes * remaining in this buffer. */ - public abstract char getChar(); + public abstract char getChar (); /** * Relative put method for writing a character value. @@ -430,7 +451,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferOverflowException If this buffer's current position is * not smaller than its limit. */ - public abstract ByteBuffer putChar(char value); + public abstract ByteBuffer putChar (char value); /** * Absolute get method for reading a character value. @@ -438,7 +459,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If there are fewer than two bytes * remaining in this buffer */ - public abstract char getChar(int index); + public abstract char getChar (int index); /** * Absolute put method for writing a character value. @@ -446,7 +467,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus one. */ - public abstract ByteBuffer putChar(int index, char value); + public abstract ByteBuffer putChar (int index, char value); /** * Relative get method for reading a short value. @@ -454,7 +475,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferUnderflowException If index is negative or not smaller * than the buffer's limit, minus one. */ - public abstract short getShort(); + public abstract short getShort (); /** * Relative put method for writing a short value. @@ -462,7 +483,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferOverflowException If this buffer's current position is * not smaller than its limit. */ - public abstract ByteBuffer putShort(short value); + public abstract ByteBuffer putShort (short value); /** * Absolute get method for reading a short value. @@ -470,7 +491,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If there are fewer than two bytes * remaining in this buffer */ - public abstract short getShort(int index); + public abstract short getShort (int index); /** * Absolute put method for writing a short value. @@ -478,7 +499,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus one. */ - public abstract ByteBuffer putShort(int index, short value); + public abstract ByteBuffer putShort (int index, short value); /** * Relative get method for reading an integer value. @@ -486,7 +507,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferUnderflowException If there are fewer than four bytes * remaining in this buffer. */ - public abstract int getInt(); + public abstract int getInt (); /** * Relative put method for writing an integer value. @@ -494,7 +515,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferOverflowException If this buffer's current position is * not smaller than its limit. */ - public abstract ByteBuffer putInt(int value); + public abstract ByteBuffer putInt (int value); /** * Absolute get method for reading an integer value. @@ -502,7 +523,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus three. */ - public abstract int getInt(int index); + public abstract int getInt (int index); /** * Absolute put method for writing an integer value. @@ -510,7 +531,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus three. */ - public abstract ByteBuffer putInt(int index, int value); + public abstract ByteBuffer putInt (int index, int value); /** * Relative get method for reading a long value. @@ -518,7 +539,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferUnderflowException If there are fewer than eight bytes * remaining in this buffer. */ - public abstract long getLong(); + public abstract long getLong (); /** * Relative put method for writing a long value. @@ -526,7 +547,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferOverflowException If this buffer's current position is * not smaller than its limit. */ - public abstract ByteBuffer putLong(long value); + public abstract ByteBuffer putLong (long value); /** * Absolute get method for reading a long value. @@ -534,7 +555,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus seven. */ - public abstract long getLong(int index); + public abstract long getLong (int index); /** * Absolute put method for writing a float value. @@ -542,7 +563,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus seven. */ - public abstract ByteBuffer putLong(int index, long value); + public abstract ByteBuffer putLong (int index, long value); /** * Relative get method for reading a float value. @@ -550,7 +571,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferUnderflowException If there are fewer than four bytes * remaining in this buffer. */ - public abstract float getFloat(); + public abstract float getFloat (); /** * Relative put method for writing a float value. @@ -558,7 +579,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferOverflowException If there are fewer than four bytes * remaining in this buffer. */ - public abstract ByteBuffer putFloat(float value); + public abstract ByteBuffer putFloat (float value); /** * Absolute get method for reading a float value. @@ -566,7 +587,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus three. */ - public abstract float getFloat(int index); + public abstract float getFloat (int index); /** * Relative put method for writing a float value. @@ -574,7 +595,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus three. */ - public abstract ByteBuffer putFloat(int index, float value); + public abstract ByteBuffer putFloat (int index, float value); /** * Relative get method for reading a double value. @@ -582,7 +603,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferUnderflowException If there are fewer than eight bytes * remaining in this buffer. */ - public abstract double getDouble(); + public abstract double getDouble (); /** * Relative put method for writing a double value. @@ -590,7 +611,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception BufferOverflowException If this buffer's current position is * not smaller than its limit. */ - public abstract ByteBuffer putDouble(double value); + public abstract ByteBuffer putDouble (double value); /** * Absolute get method for reading a double value. @@ -598,7 +619,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus seven. */ - public abstract double getDouble(int index); + public abstract double getDouble (int index); /** * Absolute put method for writing a double value. @@ -606,7 +627,7 @@ public abstract class ByteBuffer extends Buffer implements Comparable * @exception IndexOutOfBoundsException If index is negative or not smaller * than the buffer's limit, minus seven. */ - public abstract ByteBuffer putDouble(int index, double value); + public abstract ByteBuffer putDouble (int index, double value); /** * Returns a string summarizing the state of this buffer.