Java tutorial
/* * ==================================================================== * 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. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.http.auth; import java.io.Serializable; import java.security.Principal; import org.apache.http.annotation.Immutable; import org.apache.http.util.Args; import org.apache.http.util.LangUtils; /** * Basic user principal used for HTTP authentication * * @since 4.0 */ @Immutable public final class BasicUserPrincipal implements Principal, Serializable { private static final long serialVersionUID = -2266305184969850467L; private final String username; public BasicUserPrincipal(final String username) { super(); Args.notNull(username, "User name"); this.username = username; } public String getName() { return this.username; } @Override public int hashCode() { int hash = LangUtils.HASH_SEED; hash = LangUtils.hashCode(hash, this.username); return hash; } @Override public boolean equals(final Object o) { if (this == o) { return true; } if (o instanceof BasicUserPrincipal) { final BasicUserPrincipal that = (BasicUserPrincipal) o; if (LangUtils.equals(this.username, that.username)) { return true; } } return false; } @Override public String toString() { final StringBuilder buffer = new StringBuilder(); buffer.append("[principal: "); buffer.append(this.username); buffer.append("]"); return buffer.toString(); } }