com.ryan.ryanreader.cache.PersistentCookieStore.java Source code

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Here is the source code for com.ryan.ryanreader.cache.PersistentCookieStore.java

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/*******************************************************************************
 * This file is part of RedReader.
 *
 * RedReader is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * RedReader is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with RedReader.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

package com.ryan.ryanreader.cache;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.client.CookieStore;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.cookie.BasicClientCookie;

import java.io.*;
import java.util.*;

public final class PersistentCookieStore implements CookieStore {

    private LinkedList<Cookie> cookies = new LinkedList<Cookie>();

    public PersistentCookieStore() {
    }

    public PersistentCookieStore(final PersistentCookieStore existing) {
        this(existing.cookies);
    }

    private PersistentCookieStore(final Collection<Cookie> cookies) {
        this.cookies.addAll(cookies);
    }

    public PersistentCookieStore(final byte[] data) throws IOException {

        final DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data));

        final int len = dis.readInt();

        for (int i = 0; i < len; i++) {

            final String name = dis.readUTF();
            final String value = dis.readUTF();
            final String domain = dis.readUTF();
            final String path = dis.readUTF();
            final boolean isSecure = dis.readBoolean();

            final BasicClientCookie cookie = new BasicClientCookie(name, value);
            cookie.setDomain(domain);
            cookie.setPath(path);
            cookie.setSecure(isSecure);

            cookies.add(cookie);
        }
    }

    public synchronized byte[] toByteArray() {

        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        final DataOutputStream dos = new DataOutputStream(baos);

        try {

            dos.writeInt(cookies.size());

            for (final Cookie cookie : cookies) {

                dos.writeUTF(cookie.getName());
                dos.writeUTF(cookie.getValue());
                dos.writeUTF(cookie.getDomain());
                dos.writeUTF(cookie.getPath());
                dos.writeBoolean(cookie.isSecure());
            }

            dos.flush();
            dos.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }

        return baos.toByteArray();
    }

    public synchronized void addCookie(final Cookie cookie) {
        cookies.add(cookie);
    }

    public synchronized List<Cookie> getCookies() {
        return new ArrayList<Cookie>(cookies);
    }

    public synchronized boolean clearExpired(final Date date) {

        boolean purged = false;
        final LinkedList<Cookie> newSet = new LinkedList<Cookie>();

        for (final Cookie cookie : cookies) {

            if (!cookie.isExpired(date)) {
                newSet.add(cookie);
            } else {
                purged = true;
            }
        }

        cookies = newSet;
        return purged;
    }

    public synchronized void clear() {
        cookies = new LinkedList<Cookie>();
    }

    @Override
    public String toString() {

        final LinkedList<String> cookieStrings = new LinkedList<String>();

        for (final Cookie c : cookies) {
            cookieStrings.add(String.format("%s=%s", c.getName(), c.getValue()));
        }

        return StringUtils.join(cookieStrings, "; ");
    }
}