A JNDI context wrapper implementation that delegates read-only methods to its delegate Context, and throws OperationNotSupportedException for any method with a side-effect : Context « JNDI LDAP « Java

1. Java
2. JNDI LDAP
3. Context

A JNDI context wrapper implementation that delegates read-only methods to its delegate Context, and throws OperationNotSupportedException for any method with a side-effect

  
 
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 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

import java.util.Hashtable;

import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NameParser;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.OperationNotSupportedException;

/**
 * A JNDI context wrapper implementation that delegates read-only methods to its
 * delegate Context, and throws OperationNotSupportedException for any method
 * with a side-effect.
 * 
 * @author Scott.Stark@jboss.org
 * @version $Revision: 2787 $
 */
@SuppressWarnings("unchecked")
public class ReadOnlyContext implements Context {
  /** The actual context we impose the read-only behavior on */
  private Context delegate;

  public ReadOnlyContext(Context delegate) {
    this.delegate = delegate;
  }

  // Supported methods
  // -----------------------------------------------------------
  public void close() throws NamingException {
    delegate.close();
  }

  public String composeName(String name, String prefix) throws NamingException {
    return delegate.composeName(name, prefix);
  }

  public Name composeName(Name name, Name prefix) throws NamingException {
    return delegate.composeName(name, prefix);
  }

  public String getNameInNamespace() throws NamingException {
    return delegate.getNameInNamespace();
  }

  public Hashtable getEnvironment() throws NamingException {
    return delegate.getEnvironment();
  }

  public Object lookup(String name) throws NamingException {
    return delegate.lookup(name);
  }

  public Object lookupLink(String name) throws NamingException {
    return delegate.lookupLink(name);
  }

  public Object lookup(Name name) throws NamingException {
    return delegate.lookup(name);
  }

  public Object lookupLink(Name name) throws NamingException {
    return delegate.lookupLink(name);
  }

  public NameParser getNameParser(String name) throws NamingException {
    return delegate.getNameParser(name);
  }

  public NameParser getNameParser(Name name) throws NamingException {
    return delegate.getNameParser(name);
  }

  public NamingEnumeration list(String name) throws NamingException {
    return delegate.list(name);
  }

  public NamingEnumeration listBindings(String name) throws NamingException {
    return delegate.listBindings(name);
  }

  public NamingEnumeration list(Name name) throws NamingException {
    return delegate.list(name);
  }

  public NamingEnumeration listBindings(Name name) throws NamingException {
    return delegate.listBindings(name);
  }

  // Unsupported methods
  // ---------------------------------------------------------

  public Object addToEnvironment(String propName, Object propVal) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void bind(String name, Object obj) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void bind(Name name, Object obj) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public Context createSubcontext(String name) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public Context createSubcontext(Name name) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void destroySubcontext(String name) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void destroySubcontext(Name name) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public Object removeFromEnvironment(String propName) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void rebind(String name, Object obj) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void rebind(Name name, Object obj) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void rename(String oldName, String newName) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void rename(Name oldName, Name newName) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void unbind(String name) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

  public void unbind(Name name) throws NamingException {
    throw new OperationNotSupportedException("This is a read-only Context");
  }

}

   
    
  

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