01: /**
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */package org.apache.openejb.core.security.jaas;
17:
18: import java.security.Principal;
19:
20: /**
21: * @version $Rev: 602704 $ $Date: 2007-12-09 09:58:22 -0800 $
22: */
23: public class UserPrincipal implements Principal {
24:
25: private final String name;
26: private transient int hash;
27:
28: public UserPrincipal(String name) {
29: if (name == null)
30: throw new IllegalArgumentException("name cannot be null");
31: this .name = name;
32: }
33:
34: public String getName() {
35: return name;
36: }
37:
38: public boolean equals(Object o) {
39: if (this == o)
40: return true;
41: if (o == null || getClass() != o.getClass())
42: return false;
43:
44: final UserPrincipal that = (UserPrincipal) o;
45:
46: if (!name.equals(that.name))
47: return false;
48:
49: return true;
50: }
51:
52: public int hashCode() {
53: if (hash == 0) {
54: hash = name.hashCode();
55: }
56: return hash;
57: }
58:
59: public String toString() {
60: return name;
61: }
62: }
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