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/*
 * ====================================================================
 *
 *  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
 * .
 *
 */

package org.apache.http.impl.client;

import java.util.HashMap;

import org.apache.http.HttpHost;
import org.apache.http.annotation.NotThreadSafe;
import org.apache.http.auth.AuthScheme;
import org.apache.http.client.AuthCache;

/**
 * Default implementation of {@link AuthCache}.
 *
 * @since 4.0
 */
@NotThreadSafe
public class BasicAuthCache implements AuthCache {

    private final HashMap map;

    /**
     * Default constructor.
     */
    public BasicAuthCache() {
        super();
        this.map = new HashMap();
    }

    public void put(final HttpHost host, final AuthScheme authScheme) {
        if (host == null) {
            throw new IllegalArgumentException("HTTP host may not be null");
        }
        this.map.put(host, authScheme);
    }

    public AuthScheme get(final HttpHost host) {
        if (host == null) {
            throw new IllegalArgumentException("HTTP host may not be null");
        }
        return this.map.get(host);
    }

    public void remove(final HttpHost host) {
        if (host == null) {
            throw new IllegalArgumentException("HTTP host may not be null");
        }
        this.map.remove(host);
    }

    public void clear() {
        this.map.clear();
    }

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

}