org.apache.naming.ContextBindings Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-embedded-all Show documentation
Show all versions of payara-embedded-all Show documentation
Payara-Embedded-All Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* 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
*
* 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.naming;
import java.text.MessageFormat;
import java.util.Hashtable;
import java.util.ResourceBundle;
import javax.naming.NamingException;
import javax.naming.Context;
/**
* Handles the associations :
*
* - Catalina context name with the NamingContext
* - Calling thread with the NamingContext
*
*
* @author Remy Maucherat
* @version $Revision: 1.3 $ $Date: 2007/05/05 05:32:59 $
*/
public class ContextBindings {
// -------------------------------------------------------------- Variables
private static final ResourceBundle rb = LogFacade.getLogger().getResourceBundle();
/**
* Bindings name - naming context. Keyed by name.
*/
private static Hashtable contextNameBindings =
new Hashtable();
/**
* Bindings thread - naming context. Keyed by thread id.
*/
private static Hashtable threadBindings =
new Hashtable();
/**
* Bindings thread - name. Keyed by thread id.
*/
private static Hashtable threadNameBindings =
new Hashtable();
/**
* Bindings class loader - naming context. Keyed by CL id.
*/
private static Hashtable clBindings =
new Hashtable();
/**
* Bindings class loader - name. Keyed by CL id.
*/
private static Hashtable clNameBindings =
new Hashtable();
// --------------------------------------------------------- Public Methods
/**
* Binds a context name.
*
* @param name Name of the context
* @param context Associated naming context instance
*/
public static void bindContext(Object name, Context context) {
bindContext(name, context, null);
}
/**
* Binds a context name.
*
* @param name Name of the context
* @param context Associated naming context instance
* @param token Security token
*/
public static void bindContext(Object name, Context context,
Object token) {
if (ContextAccessController.checkSecurityToken(name, token))
contextNameBindings.put(name, context);
}
/**
* Unbind context name.
*
* @param name Name of the context
*/
public static void unbindContext(Object name) {
unbindContext(name, null);
}
/**
* Unbind context name.
*
* @param name Name of the context
* @param token Security token
*/
public static void unbindContext(Object name, Object token) {
if (ContextAccessController.checkSecurityToken(name, token))
contextNameBindings.remove(name);
}
/**
* Retrieve a naming context.
*
* @param name Name of the context
*/
static Context getContext(Object name) {
return contextNameBindings.get(name);
}
/**
* Binds a naming context to a thread.
*
* @param name Name of the context
*/
public static void bindThread(Object name)
throws NamingException {
bindThread(name, null);
}
/**
* Binds a naming context to a thread.
*
* @param name Name of the context
* @param token Security token
*/
public static void bindThread(Object name, Object token)
throws NamingException {
if (ContextAccessController.checkSecurityToken(name, token)) {
Context context = contextNameBindings.get(name);
if (context == null)
throw new NamingException(
MessageFormat.format(
rb.getString(LogFacade.UNKNOWN_CONTEXT), name));
threadBindings.put(Thread.currentThread(), context);
threadNameBindings.put(Thread.currentThread(), name);
}
}
/**
* Unbinds a naming context to a thread.
*
* @param name Name of the context
*/
public static void unbindThread(Object name) {
unbindThread(name, null);
}
/**
* Unbinds a naming context to a thread.
*
* @param name Name of the context
* @param token Security token
*/
public static void unbindThread(Object name, Object token) {
if (ContextAccessController.checkSecurityToken(name, token)) {
threadBindings.remove(Thread.currentThread());
threadNameBindings.remove(Thread.currentThread());
}
}
/**
* Retrieves the naming context bound to a thread.
*/
public static Context getThread()
throws NamingException {
Context context = threadBindings.get(Thread.currentThread());
if (context == null)
throw new NamingException(
rb.getString(LogFacade.NO_CONTEXT_BOUND_TO_THREAD));
return context;
}
/**
* Retrieves the naming context name bound to a thread.
*/
static Object getThreadName()
throws NamingException {
Object name = threadNameBindings.get(Thread.currentThread());
if (name == null)
throw new NamingException(
rb.getString(LogFacade.NO_CONTEXT_BOUND_TO_CL));
return name;
}
/**
* Tests if current thread is bound to a context.
*/
public static boolean isThreadBound() {
return (threadBindings.containsKey(Thread.currentThread()));
}
/**
* Binds a naming context to a class loader.
*
* @param name Name of the context
*/
public static void bindClassLoader(Object name)
throws NamingException {
bindClassLoader(name, null);
}
/**
* Binds a naming context to a thread.
*
* @param name Name of the context
* @param token Security token
*/
public static void bindClassLoader(Object name, Object token)
throws NamingException {
bindClassLoader
(name, token, Thread.currentThread().getContextClassLoader());
}
/**
* Binds a naming context to a thread.
*
* @param name Name of the context
* @param token Security token
*/
public static void bindClassLoader(Object name, Object token,
ClassLoader classLoader)
throws NamingException {
if (ContextAccessController.checkSecurityToken(name, token)) {
Context context = contextNameBindings.get(name);
if (context == null)
throw new NamingException(
MessageFormat.format(
rb.getString(LogFacade.UNKNOWN_CONTEXT), name));
clBindings.put(classLoader, context);
clNameBindings.put(classLoader, name);
}
}
/**
* Unbinds a naming context to a class loader.
*
* @param name Name of the context
*/
public static void unbindClassLoader(Object name) {
unbindClassLoader(name, null);
}
/**
* Unbinds a naming context to a class loader.
*
* @param name Name of the context
* @param token Security token
*/
public static void unbindClassLoader(Object name, Object token) {
unbindClassLoader(name, token,
Thread.currentThread().getContextClassLoader());
}
/**
* Unbinds a naming context to a class loader.
*
* @param name Name of the context
* @param token Security token
*/
public static void unbindClassLoader(Object name, Object token,
ClassLoader classLoader) {
if (ContextAccessController.checkSecurityToken(name, token)) {
Object n = clNameBindings.get(classLoader);
if ((n==null) || !(n.equals(name))) {
return;
}
clBindings.remove(classLoader);
clNameBindings.remove(classLoader);
}
}
/**
* Retrieves the naming context bound to a class loader.
*/
public static Context getClassLoader()
throws NamingException {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
Context context = null;
do {
context = clBindings.get(cl);
if (context != null) {
return context;
}
} while ((cl = cl.getParent()) != null);
throw new NamingException(
rb.getString(LogFacade.NO_CONTEXT_BOUND_TO_CL));
}
/**
* Retrieves the naming context name bound to a class loader.
*/
static Object getClassLoaderName()
throws NamingException {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
Object name = null;
do {
name = clNameBindings.get(cl);
if (name != null) {
return name;
}
} while ((cl = cl.getParent()) != null);
throw new NamingException(
rb.getString(LogFacade.NO_CONTEXT_BOUND_TO_CL));
}
/**
* Tests if current class loader is bound to a context.
*/
public static boolean isClassLoaderBound() {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
do {
if (clBindings.containsKey(cl)) {
return true;
}
} while ((cl = cl.getParent()) != null);
return false;
}
}