com.esri.geoevent.transport.twitter.TwitterOutboundTransport.java Source code

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Here is the source code for com.esri.geoevent.transport.twitter.TwitterOutboundTransport.java

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/*
  Copyright 1995-2013 Esri
    
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.
    
  For additional information, contact:
  Environmental Systems Research Institute, Inc.
  Attn: Contracts Dept
  380 New York Street
  Redlands, California, USA 92373
    
  email: contracts@esri.com
 */

package com.esri.geoevent.transport.twitter;

import java.nio.ByteBuffer;

import org.apache.http.HttpRequest;

import com.esri.ges.core.component.ComponentException;
import com.esri.ges.framework.i18n.BundleLogger;
import com.esri.ges.framework.i18n.BundleLoggerFactory;
import com.esri.ges.transport.TransportContext;
import com.esri.ges.transport.TransportDefinition;
import com.esri.ges.transport.http.HttpOutboundTransport;
import com.esri.ges.transport.http.HttpTransportContext;

public class TwitterOutboundTransport extends HttpOutboundTransport {
    private static final BundleLogger LOGGER = BundleLoggerFactory.getLogger(TwitterOutboundTransport.class);

    private String consumerKey;
    private String consumerSecret;
    private String accessToken;
    private String accessTokenSecret;
    private String postBodyOrg;

    public TwitterOutboundTransport(TransportDefinition definition) throws ComponentException {
        super(definition);
    }

    @Override
    public synchronized void start() {
        super.start();
        LOGGER.debug("OUTBOUND_START");
    }

    @Override
    public synchronized void stop() {
        super.stop();
        LOGGER.debug("OUTBOUND_STOP");
    }

    @Override
    public synchronized void setup() {
        super.setup();
        try {
            applyProperties();
        } catch (Exception error) {
            LOGGER.error("OUTBOUND_TRANSPORT_SETUP_ERROR", error.getMessage());
            LOGGER.info(error.getMessage(), error);
        }
    }

    @Override
    public void receive(ByteBuffer bb, String channelId) {
        byte[] data = new byte[bb.remaining()];
        bb.get(data);

        postBodyOrg = "status=" + new String(data);
        postBody = OAuth.encodePostBody(postBodyOrg);
        LOGGER.debug(postBody);

        // super.receive(bb, channelId);
        doHttp();
    }

    @Override
    public void beforeConnect(TransportContext context) {
        // String url = "https://api.twitter.com/1.1/statuses/update.json";
        HttpRequest request = ((HttpTransportContext) context).getHttpRequest();

        String authorizationHeader = OAuth.createOAuthAuthorizationHeader(clientUrl, httpMethod, postBodyOrg,
                accessToken, accessTokenSecret, consumerKey, consumerSecret);

        // log.debug(authorizationHeader);
        request.addHeader(OAuth.AUTHORIZATION, authorizationHeader);
        request.addHeader(OAuth.ACCEPT, OAuth.ACCEPT_VALUES);// "text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2"
        request.setHeader(OAuth.CONTENT_TYPE, this.postBodyType);// "application/x-www-form-urlencoded"
    }

    @Override
    public void validate() {
        LOGGER.debug("OUTBOUND_SKIP_VALIDATION");
    }

    public void applyProperties() throws Exception {
        if (getProperty(OAuth.CONSUMER_KEY).isValid()) {
            String value = (String) getProperty(OAuth.CONSUMER_KEY).getValue();
            if (value.length() > 0) {
                consumerKey = cryptoService.decrypt(value);
            }
        }
        if (getProperty(OAuth.CONSUMER_SECRET).isValid()) {
            String value = (String) getProperty(OAuth.CONSUMER_SECRET).getValue();
            if (value.length() > 0) {
                consumerSecret = cryptoService.decrypt(value);
            }
        }
        if (getProperty(OAuth.ACCESS_TOKEN).isValid()) {
            String value = (String) getProperty(OAuth.ACCESS_TOKEN).getValue();
            if (value.length() > 0) {
                accessToken = cryptoService.decrypt(value);
            }
        }
        if (getProperty(OAuth.ACCESS_TOKEN_SECRET).isValid()) {
            String value = (String) getProperty(OAuth.ACCESS_TOKEN_SECRET).getValue();
            if (value.length() > 0) {
                accessTokenSecret = cryptoService.decrypt(value);
            }
        }
    }
}