View Javadoc
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   *   https://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.bcel.verifier.tests;
20  
21  import java.io.File;
22  import java.io.FileOutputStream;
23  import java.io.IOException;
24  import java.io.OutputStream;
25  import java.net.URISyntaxException;
26  
27  import org.apache.bcel.classfile.JavaClass;
28  import org.apache.bcel.classfile.Utility;
29  
30  public abstract class TestCreator {
31  
32      // Common package base name for generated test classes
33      protected static final String TEST_PACKAGE = TestCreator.class.getPackage().getName();
34  
35      public void create() throws IOException {
36          final File classFile = new File(getPackageFolder(), getClassName());
37          try (FileOutputStream out = new FileOutputStream(classFile)) {
38              create(out);
39          }
40      }
41  
42      public abstract void create(OutputStream out) throws IOException;
43  
44      private File getClassesFolder() throws IOException {
45          try {
46              return new File(getClass().getProtectionDomain().getCodeSource().getLocation().toURI());
47          } catch (final URISyntaxException e) {
48              throw new IOException(e);
49          }
50      }
51  
52      private String getClassName() {
53          final String name = getClass().getName();
54          return name.substring(name.lastIndexOf('.') + 1).replace("Creator", JavaClass.EXTENSION);
55      }
56  
57      private File getPackageFolder() throws IOException {
58          return new File(getClassesFolder(), getPackageName());
59      }
60  
61      protected String getPackageName() {
62          return Utility.packageToPath(getClass().getPackage().getName());
63      }
64  }