Java example source code file (NTUserPrincipal.java)

This example source code file (NTUserPrincipal.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java tags/keywords

illegalargumentexception, immutable, ntuserprincipal, override, security, string, stringbuilder, util

The NTUserPrincipal.java example source code

/*
 * ====================================================================
 *
 *  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.security.Principal;
import java.util.Locale;

import org.apache.http.annotation.Immutable;

import org.apache.http.util.LangUtils;

/** 
 * Microsoft Windows specific user principal implementation.
 * 
 * @since 4.0
 */
@Immutable
public class NTUserPrincipal implements Principal {

    private final String username;
    private final String domain;
    private final String ntname;

    public NTUserPrincipal(
            final String domain,
            final String username) {
        super();
        if (username == null) {
            throw new IllegalArgumentException("User name may not be null");
        }
        this.username = username;
        if (domain != null) {
            this.domain = domain.toUpperCase(Locale.ENGLISH);
        } else {
            this.domain = null;
        }
        if (this.domain != null && this.domain.length() > 0) {
            StringBuilder buffer = new StringBuilder();
            buffer.append(this.domain);
            buffer.append('/');
            buffer.append(this.username);
            this.ntname = buffer.toString();
        } else {
            this.ntname = this.username;
        }
    }

    public String getName() {
        return this.ntname;
    }
    
    public String getDomain() {
        return this.domain;
    }

    public String getUsername() {
        return this.username;
    }

    @Override
    public int hashCode() {
        int hash = LangUtils.HASH_SEED;
        hash = LangUtils.hashCode(hash, this.username);
        hash = LangUtils.hashCode(hash, this.domain);
        return hash;
    }

    @Override
    public boolean equals(Object o) {
        if (o == null) return false;
        if (this == o) return true;
        if (o instanceof NTUserPrincipal) {
            NTUserPrincipal that = (NTUserPrincipal) o;
            if (LangUtils.equals(this.username, that.username)
                    && LangUtils.equals(this.domain, that.domain)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public String toString() {
        return this.ntname;
    }

}