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BookLoginService.java
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BookLoginService.java
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/**
* 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.cxf.systest.jaxrs.security;
import java.lang.reflect.Field;
import org.eclipse.jetty.jaas.JAASLoginService;
/**
* Since BookLoginModule delegates to PropertyFileLoginModule, the access to JAASLoginService.INSTANCE
* is required 9.4.35.v20201120+ (see please https://github.com/eclipse/jetty.project/issues/5486).
*/
public class BookLoginService extends JAASLoginService {
private static JAASLoginService globalInstance;
private static Field instanceField;
public BookLoginService() {
globalInstance = this;
try {
instanceField = JAASLoginService.class.getField("INSTANCE");
} catch (final Exception ex) {
/* do nothing, older Jetty version where field is not available */
}
}
public static void withInstance(Runnable r) {
final ThreadLocal<JAASLoginService> instance = getCurrentInstance();
boolean managed = false;
try {
if (instance.get() == null) {
instance.set(globalInstance);
managed = true;
}
r.run();
} finally {
if (managed) {
instance.remove();
}
}
}
@SuppressWarnings("unchecked")
private static ThreadLocal<JAASLoginService> getCurrentInstance() {
if (instanceField == null) {
return new ThreadLocal<JAASLoginService>();
} else {
try {
return (ThreadLocal<JAASLoginService>)instanceField.get(null);
} catch (final Exception ex) {
return new ThreadLocal<JAASLoginService>();
}
}
}
}