update()

1public void updateCustomObject() {
2  try {
3    CustomObject co = new CustomObject();
4    String name = "MyCustomObject";
5    co.setFullName(name + "__c");
6    co.setDeploymentStatus(DeploymentStatus.Deployed);
7    co.setDescription("Created by the Metadata API");
8    co.setEnableActivities(true);
9    co.setLabel(name + " Object");
10    co.setPluralLabel(co.getLabel() + "s");
11    co.setSharingModel(SharingModel.ReadWrite);
12    
13    CustomField nf = new CustomField();
14    nf.setType(FieldType.Text);
15    nf.setLabel(co.getFullName() + " Name");
16    
17    co.setNameField(nf);
18    
19    UpdateMetadata updateMetadata = new UpdateMetadata();
20    updateMetadata.setMetadata(co);
21    updateMetadata.setCurrentName("TheCurrentName");
22    
23    AsyncResult[] ars = metadataConnection.update(new UpdateMetadata[] 
24        { updateMetadata });
25    AsyncResult asyncResult = ars[0];
26    // set initial wait time to one second in milliseconds
27    long waitTimeMilliSecs = 1000;
28    while (!asyncResult.isDone()) {
29      Thread.sleep(waitTimeMilliSecs);
30      // double the wait time for the next iteration
31      waitTimeMilliSecs *= 2;
32      asyncResult = metadataConnection.checkStatus(
33        new String[] {asyncResult.getId()})[0];
34      System.out.println("Status is: " + asyncResult.getState());
35    }
36    
37    if (asyncResult.getState() != AsyncRequestState.Completed) {
38      System.out.println(asyncResult.getStatusCode() + " msg: " +
39          asyncResult.getMessage());
40    }
41  } catch (InterruptedException ie) {
42    ie.printStackTrace();
43  } catch (ConnectionException ce) {
44    ce.printStackTrace();
45  }
46}