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.IntBuffer;
36
37 import nom.tam.fits.header.Bitpix;
38
39 /**
40 * A FITS 32-bit integer element (signed).
41 */
42 class IntType extends ElementType<IntBuffer> {
43
44 private static final int SIZE = 4;
45
46 protected IntType() {
47 super(SIZE, false, int.class, Integer.class, IntBuffer.class, 'I', Bitpix.VALUE_FOR_INT);
48 }
49
50 @Override
51 public void appendBuffer(IntBuffer buffer, IntBuffer dataToAppend) {
52 @SuppressWarnings("deprecation")
53 int[] temp = new int[Math.min(COPY_BLOCK_SIZE, dataToAppend.remaining())];
54 while (dataToAppend.hasRemaining()) {
55 int nrObBytes = Math.min(temp.length, dataToAppend.remaining());
56 dataToAppend.get(temp, 0, nrObBytes);
57 buffer.put(temp, 0, nrObBytes);
58 }
59 }
60
61 @Override
62 public IntBuffer asTypedBuffer(ByteBuffer buffer) {
63 return buffer.asIntBuffer();
64 }
65
66 @Override
67 public void getArray(IntBuffer buffer, Object array, int offset, int length) {
68 buffer.get((int[]) array, offset, length);
69 }
70
71 @Override
72 public Object newArray(int length) {
73 return new int[length];
74 }
75
76 @Override
77 public void putArray(IntBuffer buffer, Object array, int offset, int length) {
78 buffer.put((int[]) array, offset, length);
79 }
80
81 @Override
82 public IntBuffer sliceBuffer(IntBuffer buffer) {
83 return buffer.slice();
84 }
85
86 @Override
87 public IntBuffer wrap(Object array) {
88 return IntBuffer.wrap((int[]) array);
89 }
90 }