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The Adobe Experience Manager SDK

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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 org.eclipse.jetty.util;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;

/**
 *  @param  the element type
 *
 * @deprecated The Eclipse Jetty and Apache Felix Http Jetty packages are no longer supported.
 */
@SuppressWarnings("serial")
@Deprecated(since = "2021-05-27")
public class HostMap extends HashMap {

    /**
     * Construct empty HostMap.
     */
    public HostMap() {
        super(11);
    }

    /**
     * Construct empty HostMap.
     *
     * @param capacity initial capacity
     */
    public HostMap(int capacity) {
        super(capacity);
    }

    /**
     * @see java.util.HashMap#put(java.lang.Object, java.lang.Object)
     */
    @Override
    public TYPE put(String host, TYPE object) throws IllegalArgumentException {
        return super.put(host, object);
    }

    /**
     * @see java.util.HashMap#get(java.lang.Object)
     */
    @Override
    public TYPE get(Object key) {
        return super.get(key);
    }

    /**
     * Retrieve a lazy list of map entries associated with specified
     * hostname by taking into account the domain suffix matches.
     *
     * @param host hostname
     * @return lazy list of map entries
     */
    public Object getLazyMatches(String host) {
        if (host == null)
            return LazyList.getList(super.entrySet());
        int idx = 0;
        String domain = host.trim();
        HashSet domains = new HashSet();
        do {
            domains.add(domain);
            if ((idx = domain.indexOf('.')) > 0) {
                domain = domain.substring(idx + 1);
            }
        } while (idx > 0);
        Object entries = null;
        for (Map.Entry entry : super.entrySet()) {
            if (domains.contains(entry.getKey())) {
                entries = LazyList.add(entries, entry);
            }
        }
        return entries;
    }
}