com.vaushell.superpipes.nodes.shaarli.N_Shaarli_Post.java Source code

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Here is the source code for com.vaushell.superpipes.nodes.shaarli.N_Shaarli_Post.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.shaarli;

import com.vaushell.shaarlijavaapi.ShaarliClient;
import com.vaushell.shaarlijavaapi.ShaarliTemplates;
import com.vaushell.superpipes.dispatch.Message;
import com.vaushell.superpipes.dispatch.Tags;
import com.vaushell.superpipes.nodes.A_Node;
import com.vaushell.superpipes.tools.retry.A_Retry;
import java.io.IOException;
import java.net.URI;
import java.util.Collections;
import java.util.List;
import org.apache.commons.configuration.HierarchicalConfiguration;
import org.joda.time.Duration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Read a RSS feed.
 *
 * @author Fabien Vauchelles (fabien_AT_vauchelles_DOT_com)
 */
public class N_Shaarli_Post extends A_Node {
    // PUBLIC
    public N_Shaarli_Post() {
        super(null, DEFAULT_ANTIBURST);

        this.templates = new ShaarliTemplates();
    }

    @Override
    public void load(final HierarchicalConfiguration cNode) throws Exception {
        super.load(cNode);

        final List<HierarchicalConfiguration> cTemplates = cNode.configurationsAt("templates.template");
        if (cTemplates != null) {
            for (final HierarchicalConfiguration cTemplate : cTemplates) {
                templates.add(cTemplate.getString("[@key]"), cTemplate.getString("[@csspath]"),
                        cTemplate.getString("[@attribut]"), cTemplate.getString("[@regex]"));
            }
        }
    }

    // PROTECTED
    @Override
    protected void prepareImpl() throws Exception {
        this.client = new ShaarliClient(templates, getProperties().getConfigString("url"));
    }

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

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

        if (!getMessage().contains(Message.KeyIndex.URI) || !getMessage().contains(Message.KeyIndex.TITLE)
                || !getMessage().contains(Message.KeyIndex.TAGS)) {
            throw new IllegalArgumentException("message doesn't have an uri, a title or a set of tags");
        }

        // Send to Shaarli
        // Log in
        if (!client.login(getProperties().getConfigString("login"), getProperties().getConfigString("password"))) {
            throw new IllegalArgumentException("Login error");
        }

        final URI uri = (URI) getMessage().getProperty(Message.KeyIndex.URI);
        final Tags tags = (Tags) getMessage().getProperty(Message.KeyIndex.TAGS);

        final String ID = new A_Retry<String>() {

            @Override
            protected String executeContent() throws IOException {
                final String title = (String) getMessage().getProperty(Message.KeyIndex.TITLE);

                final String ID = client.createLink(uri == null ? null : uri.toString(), title,
                        (String) getMessage().getProperty(Message.KeyIndex.DESCRIPTION),
                        tags == null ? Collections.EMPTY_SET : tags.getAll(), false);

                if (ID == null || ID.isEmpty()) {
                    throw new IOException("Cannot post link with title=" + title);
                } 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 : " + ID);
        }

        getMessage().setProperty("id-shaarli", ID);

        sendMessage();
    }

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

    // PRIVATE
    private static final Logger LOGGER = LoggerFactory.getLogger(N_Shaarli_Post.class);
    private ShaarliClient client;
    private final ShaarliTemplates templates;
}