orbremotecontext.java

来自「OpenJMS是一个开源的Java Message Service API 1.」· Java 代码 · 共 628 行 · 第 1/2 页

/**
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright
 *    statements and notices.  Redistributions must also contain a
 *    copy of this document.
 *
 * 2. Redistributions in binary form must reproduce the
 *    above copyright notice, this list of conditions and the
 *    following disclaimer in the documentation and/or other
 *    materials provided with the distribution.
 *
 * 3. The name "Exolab" must not be used to endorse or promote
 *    products derived from this Software without prior written
 *    permission of Exoffice Technologies.  For written permission,
 *    please contact [e-mail].
 *
 * 4. Products derived from this Software may not be called "Exolab"
 *    nor may "Exolab" appear in their names without prior written
 *    permission of Exoffice Technologies. Exolab is a registered
 *    trademark of Exoffice Technologies.
 *
 * 5. Due credit should be given to the Exolab Project
 *    (http://www.exolab.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 2005 (C) Exoffice Technologies Inc. All Rights Reserved.
 *
 * $Id: ORBRemoteContext.java,v 1.1 2005/11/18 03:29:41 tanderson Exp $
 */
package org.exolab.jms.jndi;

import java.util.Hashtable;
import java.util.NoSuchElementException;
import javax.naming.Binding;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NameParser;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;

import org.codehaus.spice.jndikit.RemoteContext;
import org.exolab.jms.net.proxy.Proxy;


/**
 * <code>Context</code> implementation that reference counts the
 * underlying provider.
 *
 * @author <a href="mailto:[e-mail]">Tim Anderson</a>
 * @version $Revision: 1.1 $ $Date: 2005/11/18 03:29:41 $
 */
class ORBRemoteContext implements Context {

    /**
     * Environment key for the naming provider reference counter.
     */
    private static String REFERENCE_KEY = "NamingProviderReferenceCounter";

    /**
     * The context.
     */
    private RemoteContext _context;


    /**
     * Construct a new <code>ORBRemoteContext</code>.
     *
     * @param context the context to delegate requests to
     * @throws NamingException for any error
     */
    public ORBRemoteContext(RemoteContext context) throws NamingException {
        _context = context;
        reference();
    }

    /**
     * Retrieves the named object.
     *
     * @param name the name of the object to look up
     * @return	the object bound to <tt>name</tt>
     * @throws	NamingException if a naming exception is encountered
     */
    public Object lookup(Name name) throws NamingException {
        return wrap(_context.lookup(name));
    }

    /**
     * Retrieves the named object.
     *
     * @param name the name of the object to look up
     * @return	the object bound to <tt>name</tt>
     * @throws	NamingException if a naming exception is encountered
     */
    public Object lookup(String name) throws NamingException {
        return wrap(_context.lookup(name));
    }

    /**
     * Binds a name to an object.
     *
     * @param name the name to bind; may not be empty
     * @param obj  the object to bind; possibly null
     * @throws	NamingException if a naming exception is encountered
     */
    public void bind(Name name, Object obj) throws NamingException {
        _context.bind(name, obj);
    }

    /**
     * Binds a name to an object.
     *
     * @param name the name to bind; may not be empty
     * @param obj  the object to bind; possibly null
     * @throws	NamingException if a naming exception is encountered
     */
    public void bind(String name, Object obj) throws NamingException {
        _context.bind(name, obj);
    }

    /**
     * Binds a name to an object, overwriting any existing binding.
     *
     * @param name the name to bind; may not be empty
     * @param obj  the object to bind; possibly null
     * @throws	NamingException if a naming exception is encountered
     */
    public void rebind(Name name, Object obj) throws NamingException {
        _context.rebind(name, obj);
    }

    /**
     * Binds a name to an object, overwriting any existing binding.
     *
     * @param name the name to bind; may not be empty
     * @param obj  the object to bind; possibly null
     * @throws	NamingException if a naming exception is encountered
     */
    public void rebind(String name, Object obj) throws NamingException {
        _context.rebind(name, obj);
    }

    /**
     * Unbinds the named object.
     *
     * @param name the name to unbind; may not be empty
     * @throws	NamingException if a naming exception is encountered
     */
    public void unbind(Name name) throws NamingException {
        _context.unbind(name);
    }

    /**
     * Unbinds the named object.
     *
     * @param name the name to unbind; may not be empty
     * @throws	NamingException if a naming exception is encountered
     */
    public void unbind(String name) throws NamingException {
        _context.unbind(name);
    }

    /**
     * Binds a new name to the object bound to an old name, and unbinds
     * the old name.
     *
     * @param oldName the name of the existing binding; may not be empty
     * @param newName the name of the new binding; may not be empty
     * @throws	NamingException if a naming exception is encountered
     */
    public void rename(Name oldName, Name newName) throws NamingException {
        _context.rename(oldName, newName);
    }

    /**
     * Binds a new name to the object bound to an old name, and unbinds
     * the old name.
     *
     * @param oldName the name of the existing binding; may not be empty
     * @param newName the name of the new binding; may not be empty
     * @throws	NamingException if a naming exception is encountered
     */
    public void rename(String oldName, String newName) throws NamingException {
        _context.rename(oldName, newName);
    }

    /**
     * Enumerates the names bound in the named context, along with the
     * class names of objects bound to them.
     *
     * @param name the name of the context to list
     * @return	an enumeration of the names and class names of the
     * bindings in this context.  Each element of the
     * enumeration is of type <tt>NameClassPair</tt>.
     * @throws	NamingException if a naming exception is encountered
     */
    public NamingEnumeration list(Name name) throws NamingException {
        return _context.list(name);
    }

    /**
     * Enumerates the names bound in the named context, along with the
     * class names of objects bound to them.
     *
     * @param name the name of the context to list
     * @return	an enumeration of the names and class names of the
     * bindings in this context.  Each element of the
     * enumeration is of type <tt>NameClassPair</tt>.
     * @throws	NamingException if a naming exception is encountered
     */
    public NamingEnumeration list(String name) throws NamingException {
        return _context.list(name);
    }

    /**
     * Enumerates the names bound in the named context, along with the
     * objects bound to them.
     *
     * @param name the name of the context to list
     * @return	an enumeration of the bindings in this context.
     * Each element of the enumeration is of type
     * <tt>Binding</tt>.
     * @throws	NamingException if a naming exception is encountered
     */
    public NamingEnumeration listBindings(Name name) throws NamingException {
        return new ORBNamingEnumeration(_context.listBindings(name));
    }

    /**
     * Enumerates the names bound in the named context, along with the
     * objects bound to them.
     *
     * @param name the name of the context to list
     * @return	an enumeration of the bindings in this context.
     * Each element of the enumeration is of type
     * <tt>Binding</tt>.
     * @throws	NamingException if a naming exception is encountered
     */
    public NamingEnumeration listBindings(String name) throws NamingException {
        return _context.listBindings(name);
    }

    /**
     * Destroys the named context and removes it from the namespace.
     *
     * @param name the name of the context to be destroyed; may not be empty
     * @throws	NamingException if a naming exception is encountered
     */
    public void destroySubcontext(Name name) throws NamingException {
        _context.destroySubcontext(name);
    }

    /**
     * Destroys the named context and removes it from the namespace.
     *
     * @param name the name of the context to be destroyed; may not be empty
     * @throws	NamingException if a naming exception is encountered
     */
    public void destroySubcontext(String name) throws NamingException {
        _context.destroySubcontext(name);
    }

    /**
     * Creates and binds a new context.
     *
     * @param name the name of the context to create; may not be empty
     * @return	the newly created context
     * @throws	NamingException if a naming exception is encountered
     */
    public Context createSubcontext(Name name) throws NamingException {
        return (Context) wrap(_context.createSubcontext(name));
    }

    /**
     * Creates and binds a new context.
     *
     * @param name the name of the context to create; may not be empty
     * @return	the newly created context
     * @throws	NamingException if a naming exception is encountered
     */
    public Context createSubcontext(String name) throws NamingException {
        return (Context) wrap(_context.createSubcontext(name));
    }

    /**
     * Retrieves the named object, following links except
     * for the terminal atomic component of the name.
     *
     * @param name the name of the object to look up
     * @return	the object bound to <tt>name</tt>, not following the
     * terminal link (if any).
     * @throws	NamingException if a naming exception is encountered
     */
    public Object lookupLink(Name name) throws NamingException {
        return wrap(_context.lookupLink(name));
    }

    /**
     * Retrieves the named object, following links except
     * for the terminal atomic component of the name.