com.vaushell.superpipes.nodes.fb.N

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Here is the source code for com.vaushell.superpipes.nodes.fb.N_FB.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.scribe.fb.FB_Post;
import com.vaushell.superpipes.tools.scribe.fb.FacebookClient;
import java.net.URI;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Iterator;
import org.joda.time.Duration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Read a Facebook feed.
 *
 * @author Fabien Vauchelles (fabien_AT_vauchelles_DOT_com)
 */
public class N_FB extends A_Node {
    // PUBLIC
    public N_FB() {
        // Read every 10 minutes
        super(new Duration(600000L), null);

        this.client = new FacebookClient();
        this.forcedTarget = null;
    }

    // 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() + "] "));

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

    @Override
    protected void loop() throws Exception {
        if (LOGGER.isTraceEnabled()) {
            LOGGER.trace("[" + getNodeID() + "] read feed ");
        }

        final int max = getProperties().getConfigInteger("max");

        int count = 0;
        final Iterator<FB_Post> it = client.iteratorFeed(forcedTarget, Math.min(POST_MAX_COUNT, max));
        while (it.hasNext() && count < max) {
            final FB_Post post = it.next();

            if (post.getID() != null) {
                setMessage(Message.create("id-facebook", post.getID(), Message.KeyIndex.PUBLISHED_DATE,
                        post.getCreatedTime()));

                if (post.getFrom() != null && post.getFrom().getName() != null) {
                    getMessage().setProperty(Message.KeyIndex.AUTHOR, post.getFrom().getName());
                }

                if (post.getMessage() != null) {
                    getMessage().setProperty(Message.KeyIndex.CONTENT, post.getMessage());
                }

                if (post.getURL() != null) {
                    getMessage().setProperty(Message.KeyIndex.URI, URI.create(post.getURL()));
                }

                if (post.getURLcaption() != null) {
                    getMessage().setProperty("caption-facebook", post.getURLcaption());
                }

                if (post.getURLdescription() != null) {
                    getMessage().setProperty(Message.KeyIndex.DESCRIPTION, post.getURLdescription());
                }

                if (post.getURLname() != null) {
                    getMessage().setProperty(Message.KeyIndex.TITLE, post.getURLname());
                }

                sendMessage();
            }

            ++count;
        }
    }

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

    // PRIVATE
    private static final Logger LOGGER = LoggerFactory.getLogger(N_FB.class);
    private static final int POST_MAX_COUNT = 25;
    private final FacebookClient client;
    private String forcedTarget;
}
com.vaushell.superpipes.nodes.fb.N_FB.java Source code

Introduction

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