/*
* Copyright (C) 2011 Red Hat, Inc. and/or its affiliates.
*
* 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 org.jboss.errai.samples.restdemo.client.local;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import org.jboss.errai.common.client.api.Caller;
import org.jboss.errai.common.client.api.RemoteCallback;
import org.jboss.errai.enterprise.client.jaxrs.MarshallingWrapper;
import org.jboss.errai.enterprise.client.jaxrs.api.RestErrorCallback;
import org.jboss.errai.ioc.client.api.EntryPoint;
import org.jboss.errai.samples.restdemo.client.shared.Customer;
import org.jboss.errai.samples.restdemo.client.shared.CustomerNotFoundException;
import org.jboss.errai.samples.restdemo.client.shared.CustomerService;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.Response;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;
/**
* Example code showing how to use Errai-JAXRS.
*
* @author Christian Sadilek <csadilek@redhat.com>
*/
@EntryPoint
public class App {
@Inject
private Caller<CustomerService> customerService;
final private FlexTable customersTable = new FlexTable();
final private TextBox custFirstName = new TextBox();
final private TextBox custLastName = new TextBox();
final private TextBox custPostalCode = new TextBox();
final Map<Long, Integer> rows = new HashMap<Long, Integer>();
final RemoteCallback<Response> creationCallback = new RemoteCallback<Response>() {
@Override
public void callback(final Response response) {
if (response.getStatusCode() == 200) {
final long id = MarshallingWrapper.fromJSON(response.getText(), Long.class);
customerService.call(new RemoteCallback<Customer>() {
@Override
public void callback(final Customer customer) {
addCustomerToTable(customer, customersTable.getRowCount() + 1);
}
}).retrieveCustomerById(id);
}
}
};
final RemoteCallback<Customer> modificationCallback = new RemoteCallback<Customer>() {
@Override
public void callback(final Customer customer) {
addCustomerToTable(customer, rows.get(customer.getId()));
}
};
final RemoteCallback<Response> deletionCallback = new RemoteCallback<Response>() {
@Override
public void callback(final Response response) {
customersTable.removeAllRows();
populateCustomersTable();
}
};
@PostConstruct
public void init() {
final Button create = new Button("Create", new ClickHandler() {
@Override
public void onClick(final ClickEvent clickEvent) {
final Customer customer = new Customer(custFirstName.getText(), custLastName.getText(), custPostalCode.getText());
customerService.call(creationCallback).createCustomer(customer);
}
});
final Button get = new Button("Get (Simulate Error)", new ClickHandler() {
@Override
public void onClick(final ClickEvent clickEvent) {
customerService.call(new RemoteCallback<Customer>() {
@Override
public void callback(final Customer response) {
Window.alert("A customer was returned? What the what?!");
}
}, new RestErrorCallback() {
@Override
public boolean error(final Request message, final Throwable throwable) {
final CustomerNotFoundException cnfe = (CustomerNotFoundException) throwable;
Window.alert("As expected, an error of type '"
+ cnfe.getClass().getName() + "' was received for ID '"
+ cnfe.getCustomerId() + "'.");
return true;
}
}).retrieveCustomerById(17);
}
});
final FlexTable newCustomerTable = new FlexTable();
newCustomerTable.setWidget(0, 1, custFirstName);
newCustomerTable.setWidget(0, 2, custLastName);
newCustomerTable.setWidget(0, 3, custPostalCode);
newCustomerTable.setWidget(0, 4, create);
newCustomerTable.setStyleName("new-customer-table");
final VerticalPanel vPanel = new VerticalPanel();
vPanel.add(customersTable);
vPanel.add(new HTML("<hr>"));
vPanel.add(newCustomerTable);
vPanel.add(new HTML("<hr>"));
vPanel.add(get);
vPanel.addStyleName("whole-customer-table");
RootPanel.get().add(vPanel);
populateCustomersTable();
}
private void populateCustomersTable() {
customersTable.setText(0, 0, "ID");
customersTable.setText(0, 1, "First Name");
customersTable.setText(0, 2, "Last Name");
customersTable.setText(0, 3, "Postal Code");
customersTable.setText(0, 4, "Date Changed");
final RemoteCallback<List<Customer>> listCallback = new RemoteCallback<List<Customer>>() {
@Override
public void callback(final List<Customer> customers) {
for (final Customer customer : customers) {
addCustomerToTable(customer, customersTable.getRowCount() + 1);
}
}
};
customerService.call(listCallback).listAllCustomers();
}
private void addCustomerToTable(final Customer customer, final int row) {
final TextBox firstName = new TextBox();
firstName.setText(customer.getFirstName());
final TextBox lastName = new TextBox();
lastName.setText(customer.getLastName());
final TextBox postalCode = new TextBox();
postalCode.setText(customer.getPostalCode());
final Button update = new Button("Update", new ClickHandler() {
@Override
public void onClick(final ClickEvent clickEvent) {
customer.setFirstName(firstName.getText());
customer.setLastName(lastName.getText());
customer.setPostalCode(postalCode.getText());
customerService.call(modificationCallback).updateCustomer(customer.getId(), customer);
}
});
final Button delete = new Button("Delete", new ClickHandler() {
@Override
public void onClick(final ClickEvent clickEvent) {
customerService.call(deletionCallback).deleteCustomer(customer.getId());
}
});
customersTable.setText(row, 0, new Long(customer.getId()).toString());
customersTable.setWidget(row, 1, firstName);
customersTable.setWidget(row, 2, lastName);
customersTable.setWidget(row, 3, postalCode);
customersTable.setText(row, 4,DateTimeFormat.getFormat("yyyy-MM-dd HH:mm:ss").format(customer.getLastChanged()));
customersTable.setWidget(row, 5, update);
customersTable.setWidget(row, 6, delete);
rows.put(customer.getId(), row);
}
}