Database.com Metadata API Developer's Guide - Salesforce.com

CRUD-Based Metadata DevelopmentNote the error handling code that follows each API call.import com.sforce.soap.metadata.*;/*** Sample that logs in and creates a custom object through the metadata api*/public class CRUDSample {private MetadataConnection metadataConnection;// one second in millisecondsprivate static final long ONE_SECOND = 1000;public CRUDSample() {}public static void main(String[] args) throws Exception {CRUDSample crudSample = new CRUDSample();crudSample.runCreate();}/*** Create a custom object. This method demonstrates usage of the* create() and checkStatus() calls.** @param uniqueName Custom object name should be unique.*/private void createCustomObject(final String uniqueName) throws Exception {final String label = "My Custom Object";CustomObject customObject = new CustomObject();customObject.setFullName(uniqueName);customObject.setDeploymentStatus(DeploymentStatus.Deployed);customObject.setDescription("Created by the Metadata API Sample");customObject.setLabel(label);customObject.setPluralLabel(label + "s");customObject.setSharingModel(SharingModel.ReadWrite);etc");// The name field appears in page layouts, related lists, and elsewhere.CustomField nf = new CustomField();nf.setType(FieldType.Text);nf.setDescription("The custom object identifier on page layouts, related listsnf.setLabel(label);nf.setFullName(uniqueName);customObject.setNameField(nf);AsyncResult[] asyncResults = metadataConnection.create(new CustomObject[]{customObject});if (asyncResults == null) {System.out.println("The object was not created successfully");return;}long waitTimeMilliSecs = ONE_SECOND;// After the create() call completes, we must poll the results of the checkStatus()// call until it indicates that the create operation has completed.do {printAsyncResultStatus(asyncResults);waitTimeMilliSecs *= 2;Thread.sleep(waitTimeMilliSecs);asyncResults = metadataConnection.checkStatus(newString[]{asyncResults[0].getId()});} while (!asyncResults[0].isDone());}printAsyncResultStatus(asyncResults);22