1 /*
2 * Portions of this software was developed by employees of the National Institute
3 * of Standards and Technology (NIST), an agency of the Federal Government and is
4 * being made available as a public service. Pursuant to title 17 United States
5 * Code Section 105, works of NIST employees are not subject to copyright
6 * protection in the United States. This software may be subject to foreign
7 * copyright. Permission in the United States and in foreign countries, to the
8 * extent that NIST may hold copyright, to use, copy, modify, create derivative
9 * works, and distribute this software and its documentation without fee is hereby
10 * granted on a non-exclusive basis, provided that this notice and disclaimer
11 * of warranty appears in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
19 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25 */
26
27 package gov.nist.secauto.metaschema.core.metapath.item.atomic;
28
29 import java.math.BigDecimal;
30 import java.math.BigInteger;
31 import java.math.MathContext;
32
33 import edu.umd.cs.findbugs.annotations.NonNull;
34
35 public abstract class AbstractIntegerItem
36 extends AbstractNumericItem<BigInteger>
37 implements IIntegerItem {
38 protected AbstractIntegerItem(@NonNull BigInteger value) {
39 super(value);
40 }
41
42 @Override
43 public boolean toEffectiveBoolean() {
44 return !BigInteger.ZERO.equals(
45 getValue());
46 }
47
48 @Override
49 public BigDecimal asDecimal() {
50 return new BigDecimal(
51 getValue(),
52 MathContext.DECIMAL64);
53 }
54
55 @Override
56 public BigInteger asInteger() {
57 return getValue();
58 }
59
60 @SuppressWarnings("null")
61 @Override
62 public IIntegerItem abs() {
63 BigInteger value = getValue();
64 int signum = value.signum();
65
66 IIntegerItem retval;
67 if (signum > -1) {
68 retval = this;
69 } else {
70 retval = IIntegerItem.valueOf(
71 getValue().abs());
72 }
73 return retval;
74 }
75 }