Java tutorial
/* * 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 cloudworker; import java.awt.Image; import java.io.File; import java.net.URL; import java.util.concurrent.BlockingQueue; import javax.imageio.ImageIO; import org.json.simple.JSONObject; import com.amazonaws.services.sqs.AmazonSQS; import com.amazonaws.services.sqs.model.GetQueueUrlResult; import com.amazonaws.services.sqs.model.SendMessageRequest; public class Animoto implements Runnable { AmazonSQS sqs; String responseQName; String task_id; String task; Animoto(String task_id, String task, AmazonSQS sqs) { this.task_id = task_id; this.task = task; this.responseQName = task_id.split(":")[0].replaceAll("[^0-9]", "-"); this.sqs = sqs; } @SuppressWarnings("unchecked") public void run() { //Get queue url GetQueueUrlResult urlResult = sqs.getQueueUrl(responseQName); String QueueUrl = urlResult.getQueueUrl(); JSONObject result = new JSONObject(); Runtime runtime = Runtime.getRuntime(); try { String[] urls = task.split(" "); for (String url : urls) { //System.out.println(url); Process p = runtime.exec("wget " + url); p.waitFor(); } Process rename = runtime.exec("./rename.sh"); rename.waitFor(); runtime.exec("ffmpeg -f image2 -i img%03d.jpg movie.mpg"); File movie = new File("movie.mpg"); S3Service s3 = new S3Service(); URL url = s3.put(movie.getName(), movie); //result.put("task_id", task_id); result.put("URL", url.toString()); sqs.sendMessage(new SendMessageRequest(QueueUrl, result.toString())); //System.out.println(Thread.currentThread().getName()+" sleep done!"); } catch (Exception e) { //result.put("task_id", task_id); result.put("URL", "Failed!"); sqs.sendMessage(new SendMessageRequest(QueueUrl, result.toString())); } } }