spring ContextLoaderTestUtils 源码
spring ContextLoaderTestUtils 代码
文件路径：/spring-websocket/src/test/java/org/springframework/web/socket/ContextLoaderTestUtils.java
/*
* Copyright 2002-2013 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.web.socket;
import java.lang.reflect.Field;
import java.util.Map;
import org.springframework.web.context.ContextLoader;
import org.springframework.web.context.WebApplicationContext;
/**
* General test utilities for manipulating the {@link ContextLoader}.
*
* @author Phillip Webb
*/
public class ContextLoaderTestUtils {
private static Map<ClassLoader, WebApplicationContext> currentContextPerThread =
getCurrentContextPerThreadFromContextLoader();
public static void setCurrentWebApplicationContext(WebApplicationContext applicationContext) {
setCurrentWebApplicationContext(Thread.currentThread().getContextClassLoader(), applicationContext);
}
public static void setCurrentWebApplicationContext(ClassLoader classLoader,
WebApplicationContext applicationContext) {
if (applicationContext != null) {
currentContextPerThread.put(classLoader, applicationContext);
}
else {
currentContextPerThread.remove(classLoader);
}
}
@SuppressWarnings("unchecked")
private static Map<ClassLoader, WebApplicationContext> getCurrentContextPerThreadFromContextLoader() {
try {
Field field = ContextLoader.class.getDeclaredField("currentContextPerThread");
field.setAccessible(true);
return (Map<ClassLoader, WebApplicationContext>) field.get(null);
}
catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
}
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