| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.tomcat; |
| |
| public interface ContextBind { |
| |
| /** |
| * Change the current thread context class loader to the web application |
| * class loader. If no web application class loader is defined, or if the |
| * current thread is already using the web application class loader then no |
| * change will be made. If the class loader is changed and a |
| * {@link org.apache.catalina.ThreadBindingListener} is configured then |
| * {@link org.apache.catalina.ThreadBindingListener#bind()} will be called |
| * after the change has been made. |
| * |
| * @param usePrivilegedAction |
| * Should a {@link java.security.PrivilegedAction} be used when |
| * obtaining the current thread context class loader and setting |
| * the new one? |
| * @param originalClassLoader |
| * The current class loader if known to save this method having to |
| * look it up |
| * |
| * @return If the class loader has been changed by the method it will return |
| * the thread context class loader in use when the method was |
| * called. If no change was made then this method returns null. |
| */ |
| public ClassLoader bind(boolean usePrivilegedAction, ClassLoader originalClassLoader); |
| |
| /** |
| * Restore the current thread context class loader to the original class |
| * loader in used before {@link #bind(boolean, ClassLoader)} was called. If |
| * no original class loader is passed to this method then no change will be |
| * made. If the class loader is changed and a |
| * {@link org.apache.catalina.ThreadBindingListener} is configured then |
| * {@link org.apache.catalina.ThreadBindingListener#unbind()} will be called |
| * before the change is made. |
| * |
| * @param usePrivilegedAction |
| * Should a {@link java.security.PrivilegedAction} be used when |
| * setting the current thread context class loader? |
| * @param originalClassLoader |
| * The class loader to restore as the thread context class loader |
| */ |
| public void unbind(boolean usePrivilegedAction, ClassLoader originalClassLoader); |
| |
| } |