com.vaushell.superpipes.nodes.twitter.N_TW_Retweet.java Source code

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Here is the source code for com.vaushell.superpipes.nodes.twitter.N_TW_Retweet.java

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/*
 * Copyright (C) 2013 Fabien Vauchelles (fabien_AT_vauchelles_DOT_com).
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3, 29 June 2007, of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */

package com.vaushell.superpipes.nodes.twitter;

import com.vaushell.superpipes.dispatch.Message;
import com.vaushell.superpipes.nodes.A_Node;
import com.vaushell.superpipes.tools.retry.A_Retry;
import com.vaushell.superpipes.tools.scribe.OAuthException;
import com.vaushell.superpipes.tools.scribe.twitter.TwitterClient;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.joda.time.Duration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Retweet a tweet from Twitter.
 *
 * @author Fabien Vauchelles (fabien_AT_vauchelles_DOT_com)
 */
public class N_TW_Retweet extends A_Node {
    // PUBLIC
    public N_TW_Retweet() {
        super(null, SECURE_ANTIBURST);

        this.client = new TwitterClient();
    }

    // PROTECTED
    @Override
    protected void prepareImpl() throws Exception {
        final Path tokenPath = getDispatcher().getDatas().resolve(Paths.get(getNodeID(), "token"));

        client.login(getProperties().getConfigString("key"), getProperties().getConfigString("secret"), tokenPath,
                getDispatcher().getVCodeFactory().create("[" + getClass().getName() + " / " + getNodeID() + "] "));
    }

    @Override
    protected void loop() throws Exception {
        // Receive
        setMessage(getLastMessageOrWait());

        if (LOGGER.isTraceEnabled()) {
            LOGGER.trace("[" + getNodeID() + "] receive message : " + Message.formatSimple(getMessage()));
        }

        // Delete from Twitter
        if (getMessage().contains("id-twitter")) {
            final long oldID = (long) getMessage().getProperty("id-twitter");

            final long newID = new A_Retry<Long>() {
                @Override
                protected Long executeContent() throws IOException, OAuthException {
                    final long ID = client.retweet(oldID);

                    if (ID < 0) {
                        throw new IOException("Cannot retweet with id=" + oldID);
                    } else {
                        return ID;
                    }
                }
            }.setRetry(getProperties().getConfigInteger("retry", 10))
                    .setWaitTime(getProperties().getConfigDuration("wait-time", new Duration(5000L)))
                    .setWaitTimeMultiplier(getProperties().getConfigDouble("wait-time-multiplier", 2.0))
                    .setJitterRange(getProperties().getConfigInteger("jitter-range", 500))
                    .setMaxDuration(getProperties().getConfigDuration("max-duration", new Duration(0L))).execute();

            if (LOGGER.isTraceEnabled()) {
                LOGGER.trace("[" + getNodeID() + "] receive ID=" + newID);
            }

            getMessage().setProperty("id-twitter", newID);

            sendMessage();
        }
    }

    @Override
    protected void terminateImpl() throws Exception {
        // Nothing
    }

    // PRIVATE
    private static final Logger LOGGER = LoggerFactory.getLogger(N_TW_Retweet.class);
    private final TwitterClient client;
}