io.warp10.script.functions.TWITTERDM.java Source code

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Here is the source code for io.warp10.script.functions.TWITTERDM.java

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//
//   Copyright 2016  Cityzen Data
//
//   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
//
//   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 io.warp10.script.functions;

import io.warp10.script.NamedWarpScriptFunction;
import io.warp10.script.WarpScriptStackFunction;
import io.warp10.script.WarpScriptException;
import io.warp10.script.WarpScriptStack;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.conf.ConfigurationBuilder;

/**
 * Send a Twitter DM (Direct Message)
 */
public class TWITTERDM extends NamedWarpScriptFunction implements WarpScriptStackFunction {
    public TWITTERDM(String name) {
        super(name);
    }

    @Override
    public Object apply(WarpScriptStack stack) throws WarpScriptException {
        //
        // Extract parameters
        //

        String text = stack.pop().toString();
        String recipient = stack.pop().toString();
        String accessSecret = stack.pop().toString();
        String accessToken = stack.pop().toString();
        String consumerSecret = stack.pop().toString();
        String consumerKey = stack.pop().toString();

        ConfigurationBuilder cb = new ConfigurationBuilder();
        cb.setDebugEnabled(true).setOAuthConsumerKey(consumerKey).setOAuthConsumerSecret(consumerSecret)
                .setOAuthAccessToken(accessToken).setOAuthAccessTokenSecret(accessSecret);
        TwitterFactory tf = new TwitterFactory(cb.build());

        Twitter twitter = tf.getInstance();

        try {
            twitter.sendDirectMessage(recipient, text);
        } catch (TwitterException te) {
            throw new WarpScriptException("Error while sending Twitter Direct Message", te);
        }

        return stack;
    }
}