<dependency>
      <groupId>com.twilio.sdk</groupId>
      <artifactId>twilio-java-sdk</artifactId>
      <version>5.10.0</version>
      <scope>compile</scope>
   </dependency>

$ git clone [email protected]:twilio/twilio-java
$ cd twilio-java
$ mvn install       # Requires maven, download from http://maven.apache.org/download.html

package com.twilio.sdk;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.twilio.sdk.resource.instance.taskrouter.Activity;
import com.twilio.sdk.resource.instance.taskrouter.Task;
import com.twilio.sdk.resource.instance.taskrouter.TaskQueue;
import com.twilio.sdk.resource.instance.taskrouter.Worker;
import com.twilio.sdk.resource.instance.taskrouter.Workflow;
import com.twilio.sdk.resource.instance.taskrouter.Workspace;
import com.twilio.sdk.resource.list.taskrouter.ActivityList;
import com.twilio.sdk.resource.list.taskrouter.TaskList;
import com.twilio.sdk.resource.list.taskrouter.TaskQueueList;
import com.twilio.sdk.resource.list.taskrouter.WorkerList;
import com.twilio.sdk.resource.list.taskrouter.WorkflowList;

public class TaskRouterExample {

    private static final String ACCOUNT_SID = "YourAccountSid";
    private static final String AUTH_TOKEN = "YourAuthToken";
    private static final String WORKSPACE_SID = "YourWorkspaceSid";

    public static void main(String[] args) {

        TwilioTaskRouterClient trClient = new TwilioTaskRouterClient(ACCOUNT_SID, AUTH_TOKEN);
        Workspace workspace = trClient.getWorkspace(WORKSPACE_SID);

        ActivityList activities = workspace.getActivities();
        WorkflowList workflows = workspace.getWorkflows();
        TaskQueueList taskQueues = workspace.getTaskQueues();
        WorkerList workers = workspace.getWorkers();
        TaskList tasks = workspace.getTasks();

        for(Activity activity : activities) {
            System.out.println("Activity: "+activity.getFriendlyName());
        }
        Workflow firstWorkflow = workflows.get(0);
        for(Workflow workflow : workflows) {
            System.out.println("Workflow: "+workflow.getFriendlyName());
        }
        for(TaskQueue taskQueue : taskQueues) {
            System.out.println("TaskQueue: "+taskQueue.getFriendlyName());
        }
        for(Worker worker : workers) {
            System.out.println("Worker: "+worker.getFriendlyName());
        }
        for(Task task : tasks) {
            System.out.println("Task: "+task.getAttributes());
        }

        Map<String, String> taskAttributes = new HashMap<String, String>();
        taskAttributes.put("foo", "bar");

        try {
            Task createdTask = workspace.createTask(firstWorkflow.getSid(), taskAttributes, null, null);
            System.out.println("created a task: "+createdTask.getAttributes());
        } catch (TwilioRestException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        WorkspaceStatistics statistics = workspace.getStatistics();
        System.out.println("---- statistics ----");
        System.out.println("StartTime: "+statistics.getStartTime().getTime());
        System.out.println("EndTime: "+statistics.getEndTime().getTime());
        System.out.println("Avg Task Acceptance Time: "+statistics.getAverageTaskAcceptanceTime()+" seconds");
        System.out.println("Tasks Created: "+statistics.getTasksCreated());
        Workflow workflow = buildWorkflow(workspace);

        readWorkflow(trClient, workspace.getSid(), workflow.getSid());
    }

    private static Workflow buildWorkflow(Workspace workspace) throws Exception {
	  String salesQueueSid = "YourSalesQueueSid";
	  String marketingQueueSid = "YourMarketingQueueSid";
	  String supportQueueSid = "YourSupportQueueSid";
	  String defaultQueue = "YourDefaultQueueSid";

      // construct workflow
      List<WorkflowRule> rules = new ArrayList<WorkflowRule>();

      // sales
      List<WorkflowRuleTarget> salesTargets = new ArrayList<WorkflowRuleTarget>();
      WorkflowRuleTarget salesTarget = new WorkflowRuleTarget(salesQueue, null, null, null);
      salesTargets.add(salesTarget);
      WorkflowRule salesRule = new WorkflowRule("type == \"sales\"", salesTargets);

      // marketing
      List<WorkflowRuleTarget> marketingTargets = new ArrayList<WorkflowRuleTarget>();
      WorkflowRuleTarget marketingTarget = new WorkflowRuleTarget(marketingQueue, null, null, null);
      marketingTargets.add(marketingTarget);
      WorkflowRule marketingRule = new WorkflowRule("type == \"marketing\"", marketingTargets);

      // support
      List<WorkflowRuleTarget> supportTargets = new ArrayList<WorkflowRuleTarget>();
      WorkflowRuleTarget supportTarget = new WorkflowRuleTarget(supportQueue, null, null, null);
      supportTargets.add(supportTarget);
      WorkflowRule supportRule = new WorkflowRule("type == \"support\"", supportTargets);

      // default filter
      WorkflowRuleTarget defaultTarget = new WorkflowRuleTarget(defaultQueue);

      // put rules together in order in which the workflow should process them
      rules.add(salesRule);
      rules.add(marketingRule);
      rules.add(supportRule);

      // build workflow & convert to json
      WorkflowConfiguration config = new WorkflowConfiguration(rules, defaultTarget);
      String workflowJSON = config.toJSON();

      Map<String, String> params = new HashMap<String, String>();
      params.put("Configuration", workflowJSON);
      params.put("FriendlyName", "Sales, Marketing, Support Workflow");
      params.put("AssignmentCallbackUrl", "http://example.com");
      Workflow workflow = workspace.createWorkflow(params);
      return workflow;
    }

    private static void readWorkflow(TwilioTaskRouterClient client, String workspaceSid, String workflowSid) throws IOException {
      Workflow workflow = client.getWorkflow(workspaceSid, workflowSid);

      // show that we can inspect the workflow configuration
      WorkflowConfiguration config = workflow.parseConfiguration();
      System.out.println(config);

      List<WorkflowRule> workflowRules = config.getWorkflowRules();
      WorkflowRuleTarget defaultTarget = config.getDefaultTarget();
    }
}