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//
//  ========================================================================
//  Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package com.signalfx.shaded.jetty.client;

import java.net.URI;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;

import com.signalfx.shaded.jetty.client.api.Authentication;
import com.signalfx.shaded.jetty.client.api.AuthenticationStore;
import com.signalfx.shaded.jetty.client.util.AbstractAuthentication;

public class HttpAuthenticationStore implements AuthenticationStore
{
    private final List authentications = new CopyOnWriteArrayList<>();
    private final Map results = new ConcurrentHashMap<>();

    @Override
    public void addAuthentication(Authentication authentication)
    {
        authentications.add(authentication);
    }

    @Override
    public void removeAuthentication(Authentication authentication)
    {
        authentications.remove(authentication);
    }

    @Override
    public void clearAuthentications()
    {
        authentications.clear();
    }

    @Override
    public Authentication findAuthentication(String type, URI uri, String realm)
    {
        for (Authentication authentication : authentications)
        {
            if (authentication.matches(type, uri, realm))
                return authentication;
        }
        return null;
    }

    @Override
    public void addAuthenticationResult(Authentication.Result result)
    {
        URI uri = result.getURI();
        if (uri != null)
            results.put(uri, result);
    }

    @Override
    public void removeAuthenticationResult(Authentication.Result result)
    {
        results.remove(result.getURI());
    }

    @Override
    public void clearAuthenticationResults()
    {
        results.clear();
    }

    @Override
    public Authentication.Result findAuthenticationResult(URI uri)
    {
        // TODO: I should match the longest URI
        for (Map.Entry entry : results.entrySet())
        {
            if (AbstractAuthentication.matchesURI(entry.getKey(), uri))
                return entry.getValue();
        }
        return null;
    }

    @Override
    public boolean hasAuthenticationResults()
    {
        return !results.isEmpty();
    }
}