org.argeo.jcr/src/org/argeo/jcr/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.jcr;
  17
  18 import java.security.Principal;
  19
  20 /** Canonical implementation of a {@link Principal} */
  21 class SimplePrincipal implements Principal {
  22         private final String name;
  23
  24         public SimplePrincipal(String name) {
  25                 if (name == null)
  26                         throw new IllegalArgumentException("Principal name cannot be null");
  27                 this.name = name;
  28         }
  29
  30         public String getName() {
  31                 return name;
  32         }
  33
  34         @Override
  35         public int hashCode() {
  36                 return name.hashCode();
  37         }
  38
  39         @Override
  40         public boolean equals(Object obj) {
  41                 if (obj == null)
  42                         return false;
  43                 if (obj instanceof Principal)
  44                         return name.equals((((Principal) obj).getName()));
  45                 return name.equals(obj.toString());
  46         }
  47
  48         @Override
  49         protected Object clone() throws CloneNotSupportedException {
  50                 return new SimplePrincipal(name);
  51         }
  52
  53         @Override
  54         public String toString() {
  55                 return name;
  56         }
  57
  58 }