| /* |
| * 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.cassandra.auth; |
| |
| import java.io.Serializable; |
| import java.security.Principal; |
| |
| /** |
| * <p> This class implements the <code>Principal</code> interface |
| * and represents a user. |
| * |
| * <p> Principals such as this <code>CassPrincipal</code> |
| * may be associated with a particular <code>Subject</code> |
| * to augment that <code>Subject</code> with an additional |
| * identity. Refer to the <code>Subject</code> class for more information |
| * on how to achieve this. Authorization decisions can then be based upon |
| * the Principals associated with a <code>Subject</code>. |
| * |
| * @see java.security.Principal |
| * @see javax.security.auth.Subject |
| */ |
| public class CassandraPrincipal implements Principal, Serializable |
| { |
| |
| /** |
| * |
| */ |
| private static final long serialVersionUID = 1L; |
| private final String name; |
| |
| /** |
| * Create a CassPrincipal with a username. |
| * |
| * <p> |
| * |
| * @param name the username for this user. |
| * |
| * @exception NullPointerException if the <code>name</code> |
| * is <code>null</code>. |
| */ |
| public CassandraPrincipal(String name) |
| { |
| if (name == null) |
| throw new NullPointerException("illegal null input"); |
| |
| this.name = name; |
| } |
| |
| /** |
| * Return the username for this <code>CassPrincipal</code>. |
| * |
| * <p> |
| * |
| * @return the username for this <code>CassPrincipal</code> |
| */ |
| @Override |
| public String getName() |
| { |
| return name; |
| } |
| |
| /** |
| * Return a string representation of this <code>CassPrincipal</code>. |
| * |
| * <p> |
| * |
| * @return a string representation of this <code>CassPrincipal</code>. |
| */ |
| @Override |
| public String toString() |
| { |
| return ("CassandraPrincipal: " + name); |
| } |
| |
| /** |
| * Compares the specified Object with this <code>CassPrincipal</code> |
| * for equality. Returns true if the given object is also a |
| * <code>CassPrincipal</code> and the two CassPrincipals |
| * have the same username. |
| * |
| * <p> |
| * |
| * @param o Object to be compared for equality with this |
| * <code>CassPrincipal</code>. |
| * |
| * @return true if the specified Object is equal equal to this |
| * <code>CassPrincipal</code>. |
| */ |
| @Override |
| public boolean equals(Object o) |
| { |
| if (o == null) |
| return false; |
| |
| if (this == o) |
| return true; |
| |
| if (!(o instanceof CassandraPrincipal)) |
| return false; |
| CassandraPrincipal that = (CassandraPrincipal) o; |
| |
| if (this.getName().equals(that.getName())) |
| return true; |
| return false; |
| } |
| |
| /** |
| * Return a hash code for this <code>CassPrincipal</code>. |
| * |
| * <p> |
| * |
| * @return a hash code for this <code>CassPrincipal</code>. |
| */ |
| @Override |
| public int hashCode() |
| { |
| return name.hashCode(); |
| } |
| } |