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Added some missing classes from java/nio, fixed some bad things

Dmitry Kabak (userdima committed 13 years ago

Commit 7d47bc81 parent b1be22084 files · +40111 −23Browse files

Showing the changes to java/pkg/java/nio/DirectShortBufferU.java (1 of 84 files). Show all

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java/pkg/java/nio/DirectShortBufferU.java+470−0
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1+/*
2+ * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
3+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4+ *
5+ * This code is free software; you can redistribute it and/or modify it
6+ * under the terms of the GNU General Public License version 2 only, as
7+ * published by the Free Software Foundation. Oracle designates this
8+ * particular file as subject to the "Classpath" exception as provided
9+ * by Oracle in the LICENSE file that accompanied this code.
10+ *
11+ * This code is distributed in the hope that it will be useful, but WITHOUT
12+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14+ * version 2 for more details (a copy is included in the LICENSE file that
15+ * accompanied this code).
16+ *
17+ * You should have received a copy of the GNU General Public License version
18+ * 2 along with this work; if not, write to the Free Software Foundation,
19+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20+ *
21+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22+ * or visit www.oracle.com if you need additional information or have any
23+ * questions.
24+ */
25+
26+// -- This file was mechanically generated: Do not edit! -- //
27+
28+package java.nio;
29+
30+import java.io.FileDescriptor;
31+import sun.misc.Cleaner;
32+import sun.misc.Unsafe;
33+import sun.misc.VM;
34+import sun.nio.ch.DirectBuffer;
35+
36+
37+class DirectShortBufferU
38+
39+ extends ShortBuffer
40+
41+
42+
43+ implements DirectBuffer
44+{
45+
46+
47+
48+ // Cached unsafe-access object
49+ protected static final Unsafe unsafe = Bits.unsafe();
50+
51+ // Cached array base offset
52+ private static final long arrayBaseOffset = (long)unsafe.arrayBaseOffset(short[].class);
53+
54+ // Cached unaligned-access capability
55+ protected static final boolean unaligned = Bits.unaligned();
56+
57+ // Base address, used in all indexing calculations
58+ // NOTE: moved up to Buffer.java for speed in JNI GetDirectBufferAddress
59+ // protected long address;
60+
61+ // If this buffer is a view of another buffer then we keep a reference to
62+ // that buffer so that its memory isn't freed before we're done with it
63+ protected Object viewedBuffer = null;
64+
65+ public Object viewedBuffer() {
66+ return viewedBuffer;
67+ }
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106+ public Cleaner cleaner() { return null; }
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173+
174+ // For duplicates and slices
175+ //
176+ DirectShortBufferU(DirectBuffer db, // package-private
177+ int mark, int pos, int lim, int cap,
178+ int off)
179+ {
180+
181+ super(mark, pos, lim, cap);
182+ address = db.address() + off;
183+ viewedBuffer = db;
184+
185+
186+
187+
188+
189+
190+ }
191+
192+ public ShortBuffer slice() {
193+ int pos = this.position();
194+ int lim = this.limit();
195+ assert (pos <= lim);
196+ int rem = (pos <= lim ? lim - pos : 0);
197+ int off = (pos << 1);
198+ assert (off >= 0);
199+ return new DirectShortBufferU(this, -1, 0, rem, rem, off);
200+ }
201+
202+ public ShortBuffer duplicate() {
203+ return new DirectShortBufferU(this,
204+ this.markValue(),
205+ this.position(),
206+ this.limit(),
207+ this.capacity(),
208+ 0);
209+ }
210+
211+ public ShortBuffer asReadOnlyBuffer() {
212+
213+ return new DirectShortBufferRU(this,
214+ this.markValue(),
215+ this.position(),
216+ this.limit(),
217+ this.capacity(),
218+ 0);
219+
220+
221+
222+ }
223+
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225+
226+ public long address() {
227+ return address;
228+ }
229+
230+ private long ix(int i) {
231+ return address + (i << 1);
232+ }
233+
234+ public short get() {
235+ return ((unsafe.getShort(ix(nextGetIndex()))));
236+ }
237+
238+ public short get(int i) {
239+ return ((unsafe.getShort(ix(checkIndex(i)))));
240+ }
241+
242+ public ShortBuffer get(short[] dst, int offset, int length) {
243+
244+ if ((length << 1) > Bits.JNI_COPY_TO_ARRAY_THRESHOLD) {
245+ checkBounds(offset, length, dst.length);
246+ int pos = position();
247+ int lim = limit();
248+ assert (pos <= lim);
249+ int rem = (pos <= lim ? lim - pos : 0);
250+ if (length > rem)
251+ throw new BufferUnderflowException();
252+
253+
254+ if (order() != ByteOrder.nativeOrder())
255+ Bits.copyToShortArray(ix(pos), dst,
256+ offset << 1,
257+ length << 1);
258+ else
259+
260+ Bits.copyToArray(ix(pos), dst, arrayBaseOffset,
261+ offset << 1,
262+ length << 1);
263+ position(pos + length);
264+ } else {
265+ super.get(dst, offset, length);
266+ }
267+ return this;
268+
269+
270+
271+ }
272+
273+
274+
275+ public ShortBuffer put(short x) {
276+
277+ unsafe.putShort(ix(nextPutIndex()), ((x)));
278+ return this;
279+
280+
281+
282+ }
283+
284+ public ShortBuffer put(int i, short x) {
285+
286+ unsafe.putShort(ix(checkIndex(i)), ((x)));
287+ return this;
288+
289+
290+
291+ }
292+
293+ public ShortBuffer put(ShortBuffer src) {
294+
295+ if (src instanceof DirectShortBufferU) {
296+ if (src == this)
297+ throw new IllegalArgumentException();
298+ DirectShortBufferU sb = (DirectShortBufferU)src;
299+
300+ int spos = sb.position();
301+ int slim = sb.limit();
302+ assert (spos <= slim);
303+ int srem = (spos <= slim ? slim - spos : 0);
304+
305+ int pos = position();
306+ int lim = limit();
307+ assert (pos <= lim);
308+ int rem = (pos <= lim ? lim - pos : 0);
309+
310+ if (srem > rem)
311+ throw new BufferOverflowException();
312+ unsafe.copyMemory(sb.ix(spos), ix(pos), srem << 1);
313+ sb.position(spos + srem);
314+ position(pos + srem);
315+ } else if (src.hb != null) {
316+
317+ int spos = src.position();
318+ int slim = src.limit();
319+ assert (spos <= slim);
320+ int srem = (spos <= slim ? slim - spos : 0);
321+
322+ put(src.hb, src.offset + spos, srem);
323+ src.position(spos + srem);
324+
325+ } else {
326+ super.put(src);
327+ }
328+ return this;
329+
330+
331+
332+ }
333+
334+ public ShortBuffer put(short[] src, int offset, int length) {
335+
336+ if ((length << 1) > Bits.JNI_COPY_FROM_ARRAY_THRESHOLD) {
337+ checkBounds(offset, length, src.length);
338+ int pos = position();
339+ int lim = limit();
340+ assert (pos <= lim);
341+ int rem = (pos <= lim ? lim - pos : 0);
342+ if (length > rem)
343+ throw new BufferOverflowException();
344+
345+
346+ if (order() != ByteOrder.nativeOrder())
347+ Bits.copyFromShortArray(src, offset << 1,
348+ ix(pos), length << 1);
349+ else
350+
351+ Bits.copyFromArray(src, arrayBaseOffset, offset << 1,
352+ ix(pos), length << 1);
353+ position(pos + length);
354+ } else {
355+ super.put(src, offset, length);
356+ }
357+ return this;
358+
359+
360+
361+ }
362+
363+ public ShortBuffer compact() {
364+
365+ int pos = position();
366+ int lim = limit();
367+ assert (pos <= lim);
368+ int rem = (pos <= lim ? lim - pos : 0);
369+
370+ unsafe.copyMemory(ix(pos), ix(0), rem << 1);
371+ position(rem);
372+ limit(capacity());
373+ discardMark();
374+ return this;
375+
376+
377+
378+ }
379+
380+ public boolean isDirect() {
381+ return true;
382+ }
383+
384+ public boolean isReadOnly() {
385+ return false;
386+ }
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434+ public ByteOrder order() {
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439+
440+ return ((ByteOrder.nativeOrder() != ByteOrder.BIG_ENDIAN)
441+ ? ByteOrder.LITTLE_ENDIAN : ByteOrder.BIG_ENDIAN);
442+
443+ }
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470+}