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A library jar that provides APIs for Applications written for the Google Android Platform.

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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.
 */

package java.net;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * An in-memory cookie store.
 */
final class CookieStoreImpl implements CookieStore {

    /** this map may have null keys! */
    private final Map> map = new HashMap>();

    public synchronized void add(URI uri, HttpCookie cookie) {
        if (cookie == null) {
            throw new NullPointerException("cookie == null");
        }

        uri = cookiesUri(uri);
        List cookies = map.get(uri);
        if (cookies == null) {
            cookies = new ArrayList();
            map.put(uri, cookies);
        } else {
            cookies.remove(cookie);
        }
        cookies.add(cookie);
    }

    private URI cookiesUri(URI uri) {
        if (uri == null) {
            return null;
        }
        try {
            return new URI("http", uri.getHost(), null, null);
        } catch (URISyntaxException e) {
            return uri; // probably a URI with no host
        }
    }

    public synchronized List get(URI uri) {
        if (uri == null) {
            throw new NullPointerException("uri == null");
        }

        List result = new ArrayList();

        // get cookies associated with given URI. If none, returns an empty list
        List cookiesForUri = map.get(uri);
        if (cookiesForUri != null) {
            for (Iterator i = cookiesForUri.iterator(); i.hasNext(); ) {
                HttpCookie cookie = i.next();
                if (cookie.hasExpired()) {
                    i.remove(); // remove expired cookies
                } else {
                    result.add(cookie);
                }
            }
        }

        // get all cookies that domain matches the URI
        for (Map.Entry> entry : map.entrySet()) {
            if (uri.equals(entry.getKey())) {
                continue; // skip the given URI; we've already handled it
            }

            List entryCookies = entry.getValue();
            for (Iterator i = entryCookies.iterator(); i.hasNext(); ) {
                HttpCookie cookie = i.next();
                if (!HttpCookie.domainMatches(cookie.getDomain(), uri.getHost())) {
                    continue;
                }
                if (cookie.hasExpired()) {
                    i.remove(); // remove expired cookies
                } else if (!result.contains(cookie)) {
                    result.add(cookie);
                }
            }
        }

        return Collections.unmodifiableList(result);
    }

    public synchronized List getCookies() {
        List result = new ArrayList();
        for (List list : map.values()) {
            for (Iterator i = list.iterator(); i.hasNext(); ) {
                HttpCookie cookie = i.next();
                if (cookie.hasExpired()) {
                    i.remove(); // remove expired cookies
                } else if (!result.contains(cookie)) {
                    result.add(cookie);
                }
            }
        }
        return Collections.unmodifiableList(result);
    }

    public synchronized List getURIs() {
        List result = new ArrayList(map.keySet());
        result.remove(null); // sigh
        return Collections.unmodifiableList(result);
    }

    public synchronized boolean remove(URI uri, HttpCookie cookie) {
        if (cookie == null) {
            throw new NullPointerException("cookie == null");
        }

        List cookies = map.get(cookiesUri(uri));
        if (cookies != null) {
            return cookies.remove(cookie);
        } else {
            return false;
        }
    }

    public synchronized boolean removeAll() {
        boolean result = !map.isEmpty();
        map.clear();
        return result;
    }
}




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