com.vaushell.superpipes.nodes.fb.N_FB_PostLike.java Source code

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Here is the source code for com.vaushell.superpipes.nodes.fb.N_FB_PostLike.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.fb;

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.fb.FacebookClient;
import com.vaushell.superpipes.tools.scribe.fb.FacebookException;
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;

/**
 * Like a message on Facebook.
 *
 * @author Fabien Vauchelles (fabien_AT_vauchelles_DOT_com)
 */
public class N_FB_PostLike extends A_Node {
    // PUBLIC
    public N_FB_PostLike() {
        super(null, DEFAULT_ANTIBURST);

        this.client = new FacebookClient();
    }

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

        final String pageName = getProperties().getConfigString("pagename", null);
        if (pageName == null) {
            client.login(getProperties().getConfigString("key"), getProperties().getConfigString("secret"),
                    tokenPath, getDispatcher().getVCodeFactory()
                            .create("[" + getClass().getName() + " / " + getNodeID() + "] "));
        } else {
            client.loginAsPage(pageName, getProperties().getConfigString("key"),
                    getProperties().getConfigString("secret"), tokenPath, getDispatcher().getVCodeFactory()
                            .create("[" + getClass().getName() + " / " + getNodeID() + "] "));
        }
    }

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

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

        if (!getMessage().contains("id-facebook")) {
            throw new IllegalArgumentException("message doesn't have an post id");
        }

        final String ID = (String) getMessage().getProperty("id-facebook");

        // Like
        new A_Retry<Void>() {

            @Override
            protected Void executeContent() throws IOException, FacebookException {
                if (client.likePost(ID)) {
                    return null;
                } else {
                    throw new IOException("Can't delete post with ID=" + 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();

        sendMessage();
    }

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

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