/*
    * Copyright 2021 Michael Osipov
    *
    * 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 net.sf.michaelo.tomcat.realm;
  
  import java.util.Objects;
  
  import org.ietf.jgss.GSSException;
  import org.ietf.jgss.GSSManager;
  import org.ietf.jgss.GSSName;
  import org.ietf.jgss.Oid;
  
  /**
   * Stub GSS name implementation to merely transport a name with its string name type. This class is not intended to be
   * used in real with the {@link GSSManager}.
   */
  public class StubGSSName implements GSSName {
  
  	private final String name;
  	private final Oid oid;
  
  	public StubGSSName(String name, Oid oid) {
  		this.name = name;
  		this.oid = oid;
  	}
  
  	@Override
  	public boolean equals(GSSName another) throws GSSException {
  		if (another instanceof StubGSSName) {
  			StubGSSName stubGssName = (StubGSSName) another;
  			return Objects.equals(name, stubGssName.name) && Objects.equals(oid, stubGssName.oid);
  		}
  
  		return false;
  	}
  
  	/**
  	 * @throws UnsupportedOperationException
  	 *             always throws because not implemented
  	 */
  	@Override
  	public GSSName canonicalize(Oid mech) throws GSSException {
  		throw new UnsupportedOperationException("method canonicalize() is not supported");
  	}
  
  	/**
  	 * @throws UnsupportedOperationException
  	 *             always throws because not implemented
  	 */
  	@Override
  	public byte[] export() throws GSSException {
  		throw new UnsupportedOperationException("method export() is not supported");
  	}
  
  	@Override
  	public Oid getStringNameType() throws GSSException {
  		return oid;
  	}
  
  	/**
  	 * @throws UnsupportedOperationException
  	 *             always throws because not implemented
  	 */
  	@Override
  	public boolean isAnonymous() {
  		throw new UnsupportedOperationException("method isAnonymous() is not supported");
  	}
  
  	/**
  	 * @throws UnsupportedOperationException
  	 *             always throws because not implemented
  	 */
  	@Override
  	public boolean isMN() {
  		throw new UnsupportedOperationException("method isNM() is not supported");
  	}
  
  	@Override
  	public int hashCode() {
  		return name.hashCode();
  	}
  
  	@Override
  	public boolean equals(Object another) {
  		if (another instanceof GSSName)
  			try {
  				return equals((GSSName) another);
 			} catch (GSSException e) {
 				; // Ignore
 			}
 
 		return false;
 	}
 
 	@Override
 	public String toString() {
 		return name;
 	}
 
 }