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: */
17:
18: package org.apache.harmony.auth;
19:
20: import javax.security.auth.Subject;
21:
22: /**
23: * The implementation for this interface provides a way to determine whether
24: * this object implies a specified subject. Objects that implements
25: * java.security.Principle normally implement this interface. *
26: */
27: public interface PrincipalComparator {
28:
29: /**
30: * Determine whether this object implies the specified subject.
31: *
32: * @param subject
33: * The subject to be compared.
34: * @return true if this object implies the subject.
35: */
36: public boolean implies(Subject subject);
37: }
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