1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.bcel.util;
18
19 import java.util.HashMap;
20 import java.util.Map;
21
22 import org.apache.bcel.classfile.JavaClass;
23
24 /**
25 * This repository is used in situations where a Class is created outside the realm of a ClassLoader. Classes are loaded
26 * from the file systems using the paths specified in the given class path. By default, this is the value returned by
27 * ClassPath.getClassPath().
28 *
29 * @see org.apache.bcel.Repository
30 */
31 public class ClassPathRepository extends AbstractClassPathRepository {
32
33 private final Map<String, JavaClass> loadedClasses = new HashMap<>(); // CLASSNAME X JAVACLASS
34
35 public ClassPathRepository(final ClassPath classPath) {
36 super(classPath);
37 }
38
39 /**
40 * Clears all entries from cache.
41 */
42 @Override
43 public void clear() {
44 loadedClasses.clear();
45 }
46
47 /**
48 * Finds an already defined (cached) JavaClass object by name.
49 */
50 @Override
51 public JavaClass findClass(final String className) {
52 return loadedClasses.get(className);
53 }
54
55 /**
56 * Removes class from repository.
57 */
58 @Override
59 public void removeClass(final JavaClass javaClass) {
60 loadedClasses.remove(javaClass.getClassName());
61 }
62
63 /**
64 * Stores a new JavaClass instance into this Repository.
65 */
66 @Override
67 public void storeClass(final JavaClass javaClass) {
68 loadedClasses.put(javaClass.getClassName(), javaClass);
69 javaClass.setRepository(this);
70 }
71 }