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1   package org.apache.maven.shared.dependency.analyzer;
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 java.io.InputStream;
23  import java.util.HashSet;
24  import java.util.Set;
25  
26  /**
27   * Simply collects the set of visited classes.
28   *
29   * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
30   * @see #getClasses()
31   */
32  public class CollectorClassFileVisitor
33      implements ClassFileVisitor
34  {
35      private final Set<String> classes;
36  
37      /**
38       * <p>Constructor for CollectorClassFileVisitor.</p>
39       */
40      public CollectorClassFileVisitor()
41      {
42          classes = new HashSet<>();
43      }
44  
45      /** {@inheritDoc} */
46      public void visitClass( String className, InputStream in )
47      {
48          classes.add( className );
49      }
50  
51      /**
52       * <p>Getter for the field <code>classes</code>.</p>
53       *
54       * @return a {@link java.util.Set} object.
55       */
56      public Set<String> getClasses()
57      {
58          return classes;
59      }
60  }