1 /*
2 * JBoss, Home of Professional Open Source.
3 * Copyright 2014 Red Hat, Inc., and individual contributors
4 * as indicated by the @author tags.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package io.undertow.servlet.core;
20
21 import io.undertow.server.HttpServerExchange;
22 import io.undertow.servlet.api.ThreadSetupHandler;
23
24 /**
25 * @author Stuart Douglas
26 */
27 public class ContextClassLoaderSetupAction implements ThreadSetupHandler {
28
29 private final ClassLoader classLoader;
30
31 public ContextClassLoaderSetupAction(final ClassLoader classLoader) {
32 this.classLoader = classLoader;
33 }
34
35 @Override
36 public <T, C> Action<T, C> create(final Action<T, C> action) {
37 return new Action<T, C>() {
38 @Override
39 public T call(HttpServerExchange exchange, C context) throws Exception {
40 final ClassLoader old = SecurityActions.getContextClassLoader();
41 SecurityActions.setContextClassLoader(classLoader);
42 try {
43 return action.call(exchange, context);
44 } finally {
45 SecurityActions.setContextClassLoader(old);
46 }
47 }
48 };
49 }
50 }
51