[jboss-user] [jBPM] - Re: Where can we find TwitterWorkItemHandler?

[Kris Verlaenen]

Kris Verlaenen [https://community.jboss.org/people/KrisVerlaenen] created the discussion

"Re: Where can we find TwitterWorkItemHandler?"

To view the discussion, visit: https://community.jboss.org/message/827434#827434

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Jose,

You are correct.  I just tested and updating twitter4j to version 3.0.3 seems to work well.

Kris

/**
 * Copyright 2010 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0 http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jbpm.process.workitem.twitter;

import java.util.Properties;

import org.kie.api.runtime.process.WorkItem;
import org.kie.api.runtime.process.WorkItemHandler;
import org.kie.api.runtime.process.WorkItemManager;

import twitter4j.Twitter;
import twitter4j.TwitterFactory;
import twitter4j.conf.ConfigurationBuilder;

public class TwitterWorkItemHandler implements WorkItemHandler {

    private Twitter twitter;

    public void setCredentials(String consumerKey, String consumerSecret, String accessKey, String accessSecret) {
        ConfigurationBuilder configBuilder = new ConfigurationBuilder();
        configBuilder
            .setDebugEnabled(true)
            .setOAuthConsumerKey(consumerKey)
            .setOAuthConsumerSecret(consumerSecret)
            .setOAuthAccessToken(accessKey)
            .setOAuthAccessTokenSecret(accessSecret);
        twitter = new TwitterFactory(configBuilder.build()).getInstance();
    }

    public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
        try {
            if (twitter == null) {
                initTwitter();
            }
            String message = (String)workItem.getParameter("Message");
            if (message != null && message.trim().length() > 0) {
                twitter.updateStatus(message);
            }
        }
        catch(Throwable t) {
            t.printStackTrace();
            manager.abortWorkItem(workItem.getId());
        }
        manager.completeWorkItem(workItem.getId(), null);
    }

    private void initTwitter() throws Exception {
        Properties p = new Properties();
        p.load(TwitterWorkItemHandler.class.getResourceAsStream("/twitter.properties"));
        setCredentials(
            p.getProperty("twitter.consumerKey"), 
            p.getProperty("twitter.consumerSecret"), 
            p.getProperty("twitter.accessKey"), 
            p.getProperty("twitter.accessSecret"));
    }

    public void abortWorkItem(WorkItem workitem, WorkItemManager workitemmanager) {
    }
}
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