org.argeo.util/src/org/argeo/util/security/SimplePrincipal.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.util.security;
  17
  18 import java.security.Principal;
  19
  20 import org.argeo.util.internal.UtilsException;
  21
  22 /** Canonical implementation of a {@link Principal} */
  23 public class SimplePrincipal implements Principal {
  24         private final String name;
  25
  26         public SimplePrincipal(String name) {
  27                 if (name == null)
  28                         throw new UtilsException("Principal name cannot be null");
  29                 this.name = name;
  30         }
  31
  32         public String getName() {
  33                 return name;
  34         }
  35
  36         @Override
  37         public int hashCode() {
  38                 return name.hashCode();
  39         }
  40
  41         @Override
  42         public boolean equals(Object obj) {
  43                 if (obj == null)
  44                         return false;
  45                 if (obj instanceof Principal)
  46                         return name.equals((((Principal) obj).getName()));
  47                 return name.equals(obj.toString());
  48         }
  49
  50         @Override
  51         protected Object clone() throws CloneNotSupportedException {
  52                 return new SimplePrincipal(name);
  53         }
  54
  55         @Override
  56         public String toString() {
  57                 return name;
  58         }
  59
  60 }