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Diffstat (limited to 'libjava/classpath/java/nio/CharBufferImpl.java')
-rw-r--r-- | libjava/classpath/java/nio/CharBufferImpl.java | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/libjava/classpath/java/nio/CharBufferImpl.java b/libjava/classpath/java/nio/CharBufferImpl.java deleted file mode 100644 index 8df9dbb..0000000 --- a/libjava/classpath/java/nio/CharBufferImpl.java +++ /dev/null @@ -1,214 +0,0 @@ -/* CharBufferImpl.java -- - Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.nio; - -/** - * This is a Heap memory implementation - */ -final class CharBufferImpl extends CharBuffer -{ - private final boolean readOnly; - - CharBufferImpl (int capacity) - { - this (new char [capacity], 0, capacity, capacity, 0, -1, false); - } - - CharBufferImpl (char[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly) - { - super (capacity, limit, position, mark, null, buffer, offset); - this.readOnly = readOnly; - } - - public CharBufferImpl (CharBufferImpl copy) - { - super (copy.capacity (), copy.limit (), copy.position (), 0, null, copy.backing_buffer, copy.array_offset); - this.readOnly = copy.isReadOnly (); - } - - public boolean isReadOnly () - { - return readOnly; - } - - public CharBuffer slice () - { - return new CharBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ()); - } - - public CharBuffer duplicate () - { - return new CharBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ()); - } - - public CharBuffer asReadOnlyBuffer () - { - return new CharBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true); - } - - public CharBuffer compact () - { - checkIfReadOnly(); - mark = -1; - int p = position(); - int n = limit() - p; - if (n > 0) - { - System.arraycopy(backing_buffer, array_offset + p, - backing_buffer, array_offset, n); - } - position(n); - limit(capacity()); - return this; - } - - public boolean isDirect () - { - return false; - } - - public CharSequence subSequence (int start, int end) - { - if (start < 0 - || start > length () - || end < start - || end > length ()) - throw new IndexOutOfBoundsException (); - - return new CharBufferImpl (backing_buffer, array_offset, capacity (), position () + end, position () + start, -1, isReadOnly ()); - } - - /** - * Reads the <code>char</code> at this buffer's current position, - * and then increments the position. - * - * @exception BufferUnderflowException If there are no remaining - * <code>char</code>s in this buffer. - */ - public char get () - { - if (pos >= limit) - throw new BufferUnderflowException(); - - return backing_buffer [(pos++) + array_offset]; - } - - /** - * Relative put method. Writes <code>value</code> to the next position - * in the buffer. - * - * @exception ReadOnlyBufferException If this buffer is read-only. - */ - public CharBuffer put (char value) - { - if (readOnly) - throw new ReadOnlyBufferException(); - if (pos >= limit) - throw new BufferOverflowException(); - - backing_buffer [(pos++) + array_offset] = value; - return this; - } - - /** - * Absolute get method. Reads the <code>char</code> at position - * <code>index</code>. - * - * @param index Position to read the <code>char</code> from. - * - * @exception IndexOutOfBoundsException If index is negative or not smaller - * than the buffer's limit. - */ - public char get (int index) - { - checkIndex(index); - - return backing_buffer [index + array_offset]; - } - - /** - * Bulk get, overloaded for speed. - */ - public CharBuffer get (char[] dst, int offset, int length) - { - checkArraySize(dst.length, offset, length); - checkForUnderflow(length); - - System.arraycopy(backing_buffer, pos + array_offset, - dst, offset, length); - pos += length; - return this; - } - - /** - * Bulk put, overloaded for speed. - */ - public CharBuffer put (char[] src, int offset, int length) - { - checkArraySize(src.length, offset, length); - checkForOverflow(length); - - System.arraycopy(src, offset, - backing_buffer, pos + array_offset, length); - pos += length; - return this; - } - - /** - * Absolute put method. Writes <code>value</code> to position - * <code>index</code> in the buffer. - * - * @exception IndexOutOfBoundsException If index is negative or not smaller - * than the buffer's limit. - * @exception ReadOnlyBufferException If this buffer is read-only. - */ - public CharBuffer put (int index, char value) - { - checkIndex(index); - checkIfReadOnly(); - - backing_buffer [index + array_offset] = value; - return this; - } - - public ByteOrder order () - { - return ByteOrder.nativeOrder (); - } -} |