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.function.library; 028 029import gov.nist.secauto.metaschema.core.metapath.DynamicContext; 030import gov.nist.secauto.metaschema.core.metapath.ISequence; 031import gov.nist.secauto.metaschema.core.metapath.MetapathConstants; 032import gov.nist.secauto.metaschema.core.metapath.function.IFunction; 033import gov.nist.secauto.metaschema.core.metapath.item.IItem; 034import gov.nist.secauto.metaschema.core.metapath.item.atomic.IBooleanItem; 035 036import java.util.List; 037 038import edu.umd.cs.findbugs.annotations.NonNull; 039 040public final class FnTrue { 041 @NonNull 042 static final IFunction SIGNATURE = IFunction.builder() 043 .name("true") 044 .namespace(MetapathConstants.NS_XPATH_FUNCTIONS) 045 .deterministic() 046 .contextIndependent() 047 .focusIndependent() 048 .returnType(IBooleanItem.class) 049 .returnOne() 050 .functionHandler(FnTrue::execute) 051 .build(); 052 053 private FnTrue() { 054 // disable construction 055 } 056 057 @SuppressWarnings("unused") 058 @NonNull 059 private static ISequence<IBooleanItem> execute(@NonNull IFunction function, 060 @NonNull List<ISequence<?>> arguments, 061 @NonNull DynamicContext dynamicContext, 062 IItem focus) { 063 064 return ISequence.of(IBooleanItem.TRUE); 065 } 066}