Duplicate definition: Case-insensitive FS on Windows and MacOS

core/esmf-aspect-meta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/resolver/fs/ModelsRoot.java

@@ -14,14 +14,23 @@
 package org.eclipse.esmf.aspectmodel.resolver.fs;
 
 import java.io.File;
+import java.io.IOException;
 import java.net.URI;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.Objects;
 import java.util.stream.Stream;
 
 import org.eclipse.esmf.aspectmodel.urn.AspectModelUrn;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
 public abstract class ModelsRoot {
+
+   private static final Logger LOG = LoggerFactory.getLogger( ModelsRoot.class );
+   private static final File EMPTY_FILE = new File( "" );
    private final Path root;
 
    protected ModelsRoot( final Path root ) {
@@ -43,6 +52,19 @@ public Stream<Path> paths() {
    public abstract Path directoryForNamespace( final AspectModelUrn urn );
 
    public File determineAspectModelFile( final AspectModelUrn urn ) {
-      return directoryForNamespace( urn ).resolve( urn.getName() + ".ttl" ).toFile();
+      Path path = directoryForNamespace( urn ).resolve( urn.getName() + ".ttl" );
+      return resolveByCanonicalPath( path );
+   }
+
+   private static File resolveByCanonicalPath( final Path path ) {
+      File file = path.toFile();
+      try {
+         if ( Objects.equals( path.normalize().toString(), file.getCanonicalPath() ) ) {
+            return file;
+         }
+      } catch ( IOException exception ) {
+         LOG.error( "Error resolving canonical path for file: {}", file.getPath(), exception );
+      }
+      return EMPTY_FILE;
    }
 }

core/esmf-aspect-meta-model-java/src/test/java/org/eclipse/esmf/aspectmodel/resolver/fs/ModelsRootTest.java

@@ -0,0 +1,61 @@
+package org.eclipse.esmf.aspectmodel.resolver.fs;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.junit.jupiter.api.Test;
+
+class ModelsRootTest {
+
+   private static final File EMPTY_FILE = new File( "" );
+
+   @Test
+   void resolveByCanonicalPathShouldReturnFileWhenCanonicalPathMatches() throws Exception {
+      Path testPath = Paths.get( "src/test/resources/resolve", "Aspect.ttl" ).toAbsolutePath();
+
+      File result = invokeResolveByCanonicalPath( testPath );
+
+      assertThat( result )
+            .matches( File::exists )
+            .isEqualTo( testPath.toFile() );
+   }
+
+   @Test
+   void resolveByCanonicalPathShouldReturnFileWhenCanonicalPathMatchesForSpecificPath() throws Exception {
+      Path testPath = Paths.get( "src/test/resources/resolve_empty/../resolve", "Aspect.ttl" ).toAbsolutePath();
+
+      File result = invokeResolveByCanonicalPath( testPath );
+
+      assertThat( result )
+            .matches( File::exists )
+            .isEqualTo( testPath.toFile() );
+   }
+
+   @Test
+   void resolveByCanonicalPathShouldReturnEmptyFileWhenCanonicalPathDoesNotMatch() throws Exception {
+      Path invalidPath = Paths.get( "src/test/resources/resolve", "aspect.ttl" ).toAbsolutePath();
+
+      File result = invokeResolveByCanonicalPath( invalidPath );
+
+      assertThat( result ).isEqualTo( EMPTY_FILE );
+   }
+
+   @Test
+   void resolveByCanonicalPathShouldReturnEmptyFileWhenIOExceptionOccurs() throws Exception {
+      Path pathCausingIOException = Paths.get( "pathCausingIOException" );
+
+      File result = invokeResolveByCanonicalPath( pathCausingIOException );
+
+      assertThat( result ).isEqualTo( EMPTY_FILE );
+   }
+
+   private static File invokeResolveByCanonicalPath( Path path ) throws Exception {
+      Method method = ModelsRoot.class.getDeclaredMethod( "resolveByCanonicalPath", Path.class );
+      method.setAccessible( true );
+      return (File) method.invoke( null, path );
+   }
+}

core/esmf-aspect-meta-model-java/src/test/resources/resolve/Aspect.ttl

@@ -0,0 +1,19 @@
+# Copyright (c) 2021 Robert Bosch Manufacturing Solutions GmbH
+#
+# See the AUTHORS file(s) distributed with this work for additional
+# information regarding authorship.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+@prefix : <urn:samm:org.eclipse.esmf.test:1.0.0#> .
+@prefix samm: <urn:samm:org.eclipse.esmf.samm:meta-model:1.0.0#> .
+
+:TestAspect a samm:Aspect ;
+   samm:name "TestAspect" ;
+   samm:preferredName "Test Aspect"@en ;
+   samm:properties ( ) ;
+   samm:operations ( ) .