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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.shared.jar.classes;
20  
21  import java.io.File;
22  import java.io.IOException;
23  import java.util.List;
24  
25  import org.apache.bcel.classfile.ClassFormatException;
26  import org.apache.bcel.classfile.ClassParser;
27  import org.apache.bcel.classfile.DescendingVisitor;
28  import org.apache.bcel.classfile.JavaClass;
29  import org.apache.maven.shared.jar.AbstractJarAnalyzerTestCase;
30  import org.junit.jupiter.api.Test;
31  
32  import static org.junit.jupiter.api.Assertions.assertNotNull;
33  import static org.junit.jupiter.api.Assertions.assertTrue;
34  
35  /**
36   * Import Visitor Test
37   */
38  class ImportVisitorTest extends AbstractJarAnalyzerTestCase {
39  
40      @Test
41      void testImportsJxr() throws ClassFormatException, IOException {
42          File jxrjar = getSampleJar("jxr.jar");
43          String classname = "org/apache/maven/jxr/DirectoryIndexer.class";
44          ClassParser classParser = new ClassParser(jxrjar.getAbsolutePath(), classname);
45          JavaClass javaClass = classParser.parse();
46  
47          ImportVisitor importVisitor = new ImportVisitor(javaClass);
48          DescendingVisitor descVisitor = new DescendingVisitor(javaClass, importVisitor);
49          javaClass.accept(descVisitor);
50  
51          List<String> imports = importVisitor.getImports();
52          assertNotNull(imports, "Import List");
53  
54          assertNotContainsRegex("Import List", "[\\[\\)\\(\\;]", imports);
55  
56          assertTrue(imports.contains("org.apache.maven.jxr.pacman.PackageType"), "imports");
57          assertTrue(imports.contains("org.apache.oro.text.perl.Perl5Util"), "imports");
58      }
59  
60      @Test
61      void testImportsAnt() throws ClassFormatException, IOException {
62          File jxrjar = getSampleJar("ant.jar");
63          String classname = "org/apache/tools/ant/Target.class";
64          ClassParser classParser = new ClassParser(jxrjar.getAbsolutePath(), classname);
65          JavaClass javaClass = classParser.parse();
66  
67          ImportVisitor importVisitor = new ImportVisitor(javaClass);
68          DescendingVisitor descVisitor = new DescendingVisitor(javaClass, importVisitor);
69          javaClass.accept(descVisitor);
70  
71          List<String> imports = importVisitor.getImports();
72          assertNotNull(imports, "Import List");
73  
74          assertNotContainsRegex("Import List", "[\\[\\)\\(\\;]", imports);
75  
76          assertTrue(imports.contains("org.apache.tools.ant.Location"), "imports");
77          assertTrue(imports.contains("org.apache.tools.ant.Task"), "imports");
78      }
79  }