001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * https://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.bcel.util; 020 021import java.util.HashMap; 022import java.util.Map; 023 024import org.apache.bcel.classfile.JavaClass; 025 026/** 027 * This repository is used in situations where a Class is created outside the realm of a ClassLoader. Classes are loaded 028 * from the file systems using the paths specified in the given class path. By default, this is the value returned by 029 * ClassPath.getClassPath(). 030 * 031 * @see org.apache.bcel.Repository 032 */ 033public class ClassPathRepository extends AbstractClassPathRepository { 034 035 private final Map<String, JavaClass> loadedClasses = new HashMap<>(); // CLASSNAME X JAVACLASS 036 037 public ClassPathRepository(final ClassPath classPath) { 038 super(classPath); 039 } 040 041 /** 042 * Clears all entries from cache. 043 */ 044 @Override 045 public void clear() { 046 loadedClasses.clear(); 047 } 048 049 /** 050 * Finds an already defined (cached) JavaClass object by name. 051 */ 052 @Override 053 public JavaClass findClass(final String className) { 054 return loadedClasses.get(className); 055 } 056 057 /** 058 * Removes class from repository. 059 */ 060 @Override 061 public void removeClass(final JavaClass javaClass) { 062 loadedClasses.remove(javaClass.getClassName()); 063 } 064 065 /** 066 * Stores a new JavaClass instance into this Repository. 067 */ 068 @Override 069 public void storeClass(final JavaClass javaClass) { 070 loadedClasses.put(javaClass.getClassName(), javaClass); 071 javaClass.setRepository(this); 072 } 073}