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/*
 * $Id$
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.struts.mock;

import java.security.Principal;

/**
 * Mock Principal object for low-level unit tests of
 * Struts controller components.  Coarser grained tests should be implemented
 * in terms of the Cactus framework, instead of the mock object classes.
 *
 * WARNING - Only the minimal set of methods needed to
 * create unit tests is provided, plus additional methods to configure this
 * object as necessary.  Methods for unsupported operations will throw
 * UnsupportedOperationException.
 *
 * WARNING - Because unit tests operate in a single
 * threaded environment, no synchronization is performed.
 *
 * @version $Rev$ $Date: 2005-05-07 12:11:38 -0400 (Sat, 07 May 2005)
 *          $
 */
public class MockPrincipal implements Principal {
    protected String name = null;
    protected String[] roles = null;

    public MockPrincipal() {
        super();
        this.name = "";
        this.roles = new String[0];
    }

    public MockPrincipal(String name) {
        super();
        this.name = name;
        this.roles = new String[0];
    }

    public MockPrincipal(String name, String[] roles) {
        super();
        this.name = name;
        this.roles = roles;
    }

    public String getName() {
        return (this.name);
    }

    public boolean isUserInRole(String role) {
        for (int i = 0; i < roles.length; i++) {
            if (role.equals(roles[i])) {
                return (true);
            }
        }

        return (false);
    }

    public boolean equals(Object o) {
        if (o == null) {
            return (false);
        }

        if (!(o instanceof Principal)) {
            return (false);
        }

        Principal p = (Principal) o;

        if (name == null) {
            return (p.getName() == null);
        } else {
            return (name.equals(p.getName()));
        }
    }

    public int hashCode() {
        if (name == null) {
            return ("".hashCode());
        } else {
            return (name.hashCode());
        }
    }
}