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Java example source code file (AuthState.java)

This example source code file (AuthState.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

authscheme, authscope, authstate, credentials, notthreadsafe, override, stringbuilder

The AuthState.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 org.apache.http.annotation.NotThreadSafe;


/**
 * This class provides detailed information about the state of the
 * authentication process.
 * 
 *
 * @since 4.0
 */
@NotThreadSafe
public class AuthState {

    /** Actual authentication scheme */
    private AuthScheme authScheme;

    /** Actual authentication scope */
    private AuthScope authScope;
    
    /** Credentials selected for authentication */
    private Credentials credentials;
    
    /**
     * Default constructor.
     * 
     */
    public AuthState() {
        super();
    }

    /**
     * Invalidates the authentication state by resetting its parameters.
     */
    public void invalidate() {
        this.authScheme = null;
        this.authScope = null;
        this.credentials = null;
    }

    public boolean isValid() {
        return this.authScheme != null;
    }
    
    /**
     * Assigns the given {@link AuthScheme authentication scheme}.
     * 
     * @param authScheme the {@link AuthScheme authentication scheme}
     */
    public void setAuthScheme(final AuthScheme authScheme) {
        if (authScheme == null) {
            invalidate();
            return;
        }
        this.authScheme = authScheme;
    }

    /**
     * Returns the {@link AuthScheme authentication scheme}.
     * 
     * @return {@link AuthScheme authentication scheme}
     */
    public AuthScheme getAuthScheme() {
        return this.authScheme;
    }
    
    
    /** 
     * Returns user {@link Credentials} selected for authentication if available
     * 
     * @return user credentials if available, <code>null

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