1 package nom.tam.util.type;
2
3 /*
4 * #%L
5 * nom.tam FITS library
6 * %%
7 * Copyright (C) 2004 - 2024 nom-tam-fits
8 * %%
9 * This is free and unencumbered software released into the public domain.
10 *
11 * Anyone is free to copy, modify, publish, use, compile, sell, or
12 * distribute this software, either in source code form or as a compiled
13 * binary, for any purpose, commercial or non-commercial, and by any
14 * means.
15 *
16 * In jurisdictions that recognize copyright laws, the author or authors
17 * of this software dedicate any and all copyright interest in the
18 * software to the public domain. We make this dedication for the benefit
19 * of the public at large and to the detriment of our heirs and
20 * successors. We intend this dedication to be an overt act of
21 * relinquishment in perpetuity of all present and future rights to this
22 * software under copyright law.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
27 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
28 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
29 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
30 * OTHER DEALINGS IN THE SOFTWARE.
31 * #L%
32 */
33
34 import java.nio.ByteBuffer;
35 import java.nio.ShortBuffer;
36
37 import nom.tam.fits.header.Bitpix;
38
39 /**
40 * A FITS 16-bit integer element (signed).
41 */
42 class ShortType extends ElementType<ShortBuffer> {
43
44 protected ShortType() {
45 super(2, false, short.class, Short.class, ShortBuffer.class, 'S', Bitpix.VALUE_FOR_SHORT);
46 }
47
48 @Override
49 public void appendBuffer(ShortBuffer buffer, ShortBuffer dataToAppend) {
50 @SuppressWarnings("deprecation")
51 short[] temp = new short[Math.min(COPY_BLOCK_SIZE, dataToAppend.remaining())];
52 while (dataToAppend.hasRemaining()) {
53 int nrObBytes = Math.min(temp.length, dataToAppend.remaining());
54 dataToAppend.get(temp, 0, nrObBytes);
55 buffer.put(temp, 0, nrObBytes);
56 }
57 }
58
59 @Override
60 public ShortBuffer asTypedBuffer(ByteBuffer buffer) {
61 return buffer.asShortBuffer();
62 }
63
64 @Override
65 public void getArray(ShortBuffer buffer, Object array, int offset, int length) {
66 buffer.get((short[]) array, offset, length);
67 }
68
69 @Override
70 public Object newArray(int length) {
71 return new short[length];
72 }
73
74 @Override
75 public void putArray(ShortBuffer buffer, Object array, int offset, int length) {
76 buffer.put((short[]) array, offset, length);
77 }
78
79 @Override
80 public ShortBuffer sliceBuffer(ShortBuffer buffer) {
81 return buffer.slice();
82 }
83
84 @Override
85 public ShortBuffer wrap(Object array) {
86 return ShortBuffer.wrap((short[]) array);
87 }
88 }