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.resource; 028 029import gov.nist.secauto.metaschema.core.model.IResourceLoader; 030import gov.nist.secauto.metaschema.core.model.IUriResolver; 031 032import java.net.URI; 033 034import edu.umd.cs.findbugs.annotations.NonNull; 035 036public class AbstractResourceLoader implements IResourceLoader { 037 /** 038 * An {@link IUriResolver} is not provided by default. 039 */ 040 private IUriResolver uriResolver; 041 042 @Override 043 public IUriResolver getUriResolver() { 044 return uriResolver; 045 } 046 047 public void setUriResolver(@NonNull IUriResolver uriResolver) { 048 this.uriResolver = uriResolver; 049 } 050 051 /** 052 * Resolve the provided URI, producing a resolved URI, which may point to a 053 * different resource than the provided URI. 054 * 055 * @param uri 056 * the URI to resolve 057 * @return the resulting URI 058 */ 059 @NonNull 060 protected URI resolve(@NonNull URI uri) { 061 IUriResolver resolver = getUriResolver(); 062 return resolver == null ? uri : resolver.resolve(uri); 063 } 064}