| /* |
| * 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.ki.mgt; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.ki.subject.Subject; |
| import org.apache.ki.util.ThreadContext; |
| |
| /** |
| * Associates a {@link Subject Subject} instance to the currently executing thread via the { |
| * |
| * @author Les Hazlewood |
| * @link ThreadContext ThreadContext} to ensure that the <code>Subject</code> is accessible to any caller during |
| * thread execution. |
| * @see org.apache.ki.SecurityUtils#getSubject SecurityUtils.getSubject() |
| * @since 1.0 |
| */ |
| public class ThreadContextSubjectBinder implements SubjectBinder { |
| |
| private static final Logger log = LoggerFactory.getLogger(ThreadContextSubjectBinder.class); |
| |
| /** |
| * This implementation returns the {@link Subject Subject} from the {@link ThreadContext ThreadContext}. |
| * |
| * @return the {@link Subject Subject} in the {@link ThreadContext ThreadContext} |
| */ |
| public Subject getSubject() { |
| return ThreadContext.getSubject(); |
| } |
| |
| /** |
| * Associates the specified subject to the currently executing thread via the {@link ThreadContext ThreadContext}. |
| * |
| * @param subject the subject to accosiate to the currently executing thread. |
| */ |
| public void bind(Subject subject) { |
| if (log.isTraceEnabled()) { |
| log.trace("Binding Subject [" + subject + "] to a thread local..."); |
| } |
| ThreadContext.bind(subject); |
| } |
| |
| /** |
| * Removes the specified Subject instance from the currently executing thread by removing it from the |
| * {@link ThreadContext ThreadContext} |
| * |
| * @param subject the <code>Subject</code> instance to unbind from the currently executing thread. |
| */ |
| public void unbind(Subject subject) { |
| ThreadContext.unbindSubject(); |
| } |
| } |