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; /** * Simple {@link Credentials} implementation based on a user name / password * pair. * * @since 4.0 */ @Immutable public class UsernamePasswordCredentials implements Credentials, Serializable { private static final long serialVersionUID = 243343858802739403L; private final BasicUserPrincipal principal; private final String password; /** * The constructor with the username and password combined string argument. * * @param usernamePassword the username:password formed string * @see #toString */ public UsernamePasswordCredentials(final String usernamePassword) { super(); Args.notNull(usernamePassword, "Username:password string"); final int atColon = usernamePassword.indexOf(':'); if (atColon >= 0) { this.principal = new BasicUserPrincipal(usernamePassword.substring(0, atColon)); this.password = usernamePassword.substring(atColon + 1); } else { this.principal = new BasicUserPrincipal(usernamePassword); this.password = null; } } /** * The constructor with the username and password arguments. * * @param userName the user name * @param password the password */ public UsernamePasswordCredentials(final String userName, final String password) { super(); Args.notNull(userName, "Username"); this.principal = new BasicUserPrincipal(userName); this.password = password; } public Principal getUserPrincipal() { return this.principal; } public String getUserName() { return this.principal.getName(); } public String getPassword() { return password; } @Override public int hashCode() { return this.principal.hashCode(); } @Override public boolean equals(final Object o) { if (this == o) { return true; } if (o instanceof UsernamePasswordCredentials) { final UsernamePasswordCredentials that = (UsernamePasswordCredentials) o; if (LangUtils.equals(this.principal, that.principal)) { return true; } } return false; } @Override public String toString() { return this.principal.toString(); } }