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 /**
38 * Constructs a ClassPathRepository.
39 *
40 * @param classPath the class path.
41 */
42 public ClassPathRepository(final ClassPath classPath) {
43 super(classPath);
44 }
45
46 /**
47 * Clears all entries from cache.
48 */
49 @Override
50 public void clear() {
51 loadedClasses.clear();
52 }
53
54 /**
55 * Finds an already defined (cached) JavaClass object by name.
56 */
57 @Override
58 public JavaClass findClass(final String className) {
59 return loadedClasses.get(className);
60 }
61
62 /**
63 * Removes class from repository.
64 */
65 @Override
66 public void removeClass(final JavaClass javaClass) {
67 loadedClasses.remove(javaClass.getClassName());
68 }
69
70 /**
71 * Stores a new JavaClass instance into this Repository.
72 */
73 @Override
74 public void storeClass(final JavaClass javaClass) {
75 loadedClasses.put(javaClass.getClassName(), javaClass);
76 javaClass.setRepository(this);
77 }
78 }