1   package org.apache.maven.shared.jar.classes;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.bcel.classfile.ClassFormatException;
23  import org.apache.bcel.classfile.ClassParser;
24  import org.apache.bcel.classfile.DescendingVisitor;
25  import org.apache.bcel.classfile.JavaClass;
26  import org.apache.maven.shared.jar.AbstractJarAnalyzerTestCase;
27  
28  import java.io.File;
29  import java.io.IOException;
30  import java.util.List;
31  
32  
33  /**
34   * Import Visitor Test
35   */
36  public class ImportVisitorTest
37      extends AbstractJarAnalyzerTestCase
38  {
39      public void testImportsJxr()
40          throws ClassFormatException, IOException
41      {
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 imports = importVisitor.getImports();
52          assertNotNull( "Import List", imports );
53  
54          assertNotContainsRegex( "Import List", "[\\[\\)\\(\\;]", imports );
55  
56          assertTrue( "imports", imports.contains( "org.apache.maven.jxr.pacman.PackageType" ) );
57          assertTrue( "imports", imports.contains( "org.codehaus.plexus.util.IOUtil" ) );
58          assertTrue( "imports", imports.contains( "org.apache.oro.text.perl.Perl5Util" ) );
59      }
60  
61      public void testImportsAnt()
62          throws ClassFormatException, IOException
63      {
64          File jxrjar = getSampleJar( "ant.jar" );
65          String classname = "org/apache/tools/ant/Target.class";
66          ClassParser classParser = new ClassParser( jxrjar.getAbsolutePath(), classname );
67          JavaClass javaClass = classParser.parse();
68  
69          ImportVisitor importVisitor = new ImportVisitor( javaClass );
70          DescendingVisitor descVisitor = new DescendingVisitor( javaClass, importVisitor );
71          javaClass.accept( descVisitor );
72  
73          List imports = importVisitor.getImports();
74          assertNotNull( "Import List", imports );
75  
76          assertNotContainsRegex( "Import List", "[\\[\\)\\(\\;]", imports );
77  
78          assertTrue( "imports", imports.contains( "org.apache.tools.ant.Location" ) );
79          assertTrue( "imports", imports.contains( "org.apache.tools.ant.Task" ) );
80      }
81  }