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.util;
20
21 import java.util.HashMap;
22 import java.util.Map;
23
24 import org.apache.bcel.classfile.JavaClass;
25
26 /**
27 * This repository is used in situations where a Class is created outside the realm of a ClassLoader. Classes are loaded
28 * from the file systems using the paths specified in the given class path. By default, this is the value returned by
29 * ClassPath.getClassPath().
30 *
31 * @see org.apache.bcel.Repository
32 */
33 public class ClassPathRepository extends AbstractClassPathRepository {
34
35 private final Map<String, JavaClass> loadedClasses = new HashMap<>(); // CLASSNAME X JAVACLASS
36
37 public ClassPathRepository(final ClassPath classPath) {
38 super(classPath);
39 }
40
41 /**
42 * Clears all entries from cache.
43 */
44 @Override
45 public void clear() {
46 loadedClasses.clear();
47 }
48
49 /**
50 * Finds an already defined (cached) JavaClass object by name.
51 */
52 @Override
53 public JavaClass findClass(final String className) {
54 return loadedClasses.get(className);
55 }
56
57 /**
58 * Removes class from repository.
59 */
60 @Override
61 public void removeClass(final JavaClass javaClass) {
62 loadedClasses.remove(javaClass.getClassName());
63 }
64
65 /**
66 * Stores a new JavaClass instance into this Repository.
67 */
68 @Override
69 public void storeClass(final JavaClass javaClass) {
70 loadedClasses.put(javaClass.getClassName(), javaClass);
71 javaClass.setRepository(this);
72 }
73 }