001/* 002 * Portions of this software was developed by employees of the National Institute 003 * of Standards and Technology (NIST), an agency of the Federal Government and is 004 * being made available as a public service. Pursuant to title 17 United States 005 * Code Section 105, works of NIST employees are not subject to copyright 006 * protection in the United States. This software may be subject to foreign 007 * copyright. Permission in the United States and in foreign countries, to the 008 * extent that NIST may hold copyright, to use, copy, modify, create derivative 009 * works, and distribute this software and its documentation without fee is hereby 010 * granted on a non-exclusive basis, provided that this notice and disclaimer 011 * of warranty appears in all copies. 012 * 013 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER 014 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY 015 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF 016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM 017 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE 018 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT 019 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT, 020 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM, 021 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY, 022 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR 023 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT 024 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER. 025 */ 026 027package gov.nist.secauto.metaschema.core.metapath.item.atomic; 028 029import java.math.BigDecimal; 030import java.math.BigInteger; 031import java.math.MathContext; 032 033import edu.umd.cs.findbugs.annotations.NonNull; 034 035public abstract class AbstractIntegerItem 036 extends AbstractNumericItem<BigInteger> 037 implements IIntegerItem { 038 protected AbstractIntegerItem(@NonNull BigInteger value) { 039 super(value); 040 } 041 042 @Override 043 public boolean toEffectiveBoolean() { 044 return !BigInteger.ZERO.equals( 045 getValue()); 046 } 047 048 @Override 049 public BigDecimal asDecimal() { 050 return new BigDecimal( 051 getValue(), 052 MathContext.DECIMAL64); 053 } 054 055 @Override 056 public BigInteger asInteger() { 057 return getValue(); 058 } 059 060 @SuppressWarnings("null") 061 @Override 062 public IIntegerItem abs() { 063 BigInteger value = getValue(); 064 int signum = value.signum(); 065 066 IIntegerItem retval; 067 if (signum > -1) { 068 retval = this; 069 } else { 070 retval = IIntegerItem.valueOf( 071 getValue().abs()); 072 } 073 return retval; 074 } 075}