/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.camel.component.twitter.producer;
import org.apache.camel.Exchange;
import org.apache.camel.component.twitter.TwitterEndpoint;
import twitter4j.Status;
import twitter4j.StatusUpdate;
/**
* Produces text as a status update.
*/
public class UserProducer extends Twitter4JProducer {
public UserProducer(TwitterEndpoint te) {
super(te);
}
@Override
public void process(Exchange exchange) throws Exception {
// update user's status
Object in = exchange.getIn().getBody();
Status response;
if (in instanceof StatusUpdate) {
response = updateStatus((StatusUpdate) in);
} else {
String s = exchange.getIn().getMandatoryBody(String.class);
response = updateStatus(s);
}
/*
* Support the InOut exchange pattern in order to provide access to
* the unique identifier for the published tweet which is returned in the response
* by the Twitter REST API: https://dev.twitter.com/docs/api/1/post/statuses/update
*/
if (exchange.getPattern().isOutCapable()) {
// here we just copy the header of in message to the out message
exchange.getOut().copyFrom(exchange.getIn());
exchange.getOut().setBody(response);
}
}
private Status updateStatus(StatusUpdate status) throws Exception {
Status reponse = te.getProperties().getTwitter().updateStatus(status);
log.debug("Updated status: {}", status);
log.debug("Status id: {}", reponse.getId());
return reponse;
}
private Status updateStatus(String status) throws Exception {
if (status.length() > 160) {
log.warn("Message is longer than 160 characters. Message will be truncated!");
status = status.substring(0, 160);
}
Status response = te.getProperties().getTwitter().updateStatus(status);
log.debug("Updated status: {}", status);
log.debug("Status id: {}", response.getId());
return response;
}
}