com.google.gwt.sample.logexample.client.ServerLoggingArea.java Source code

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Here is the source code for com.google.gwt.sample.logexample.client.ServerLoggingArea.java

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/*
 * Copyright 2010 Google Inc.
 *
 * 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 com.google.gwt.sample.logexample.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.sample.logexample.shared.MyService;
import com.google.gwt.sample.logexample.shared.MyServiceAsync;
import com.google.gwt.sample.logexample.shared.SharedClass;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Panel;

/**
 * A section allowing the user to experiment with server side logging and
 * shared library logging when it is called from server vs client side code.
 */
public class ServerLoggingArea {
    interface MyUiBinder extends UiBinder<HTMLPanel, ServerLoggingArea> {
    }

    private static MyUiBinder uiBinder = GWT.create(MyUiBinder.class);
    private final MyServiceAsync myService = GWT.create(MyService.class);

    private Panel panel;

    public ServerLoggingArea() {
        panel = uiBinder.createAndBindUi(this);
    }

    public Panel getPanel() {
        return panel;
    }

    @UiHandler("clientSharedMethodButton")
    void handleClientSharedMethodButton(ClickEvent e) {
        SharedClass.doSomething("client");
    }

    @UiHandler("serverSharedMethodButton")
    void handleServerSharedMethodButton(ClickEvent e) {
        myService.doSomethingUsingSharedLibrary(new AsyncCallback<Void>() {

            public void onFailure(Throwable caught) {
                Window.alert("Call to my service failed");
            }

            public void onSuccess(Void result) {
            }
        });
    }

    @UiHandler("serverMethodButton")
    void handleServerMethodButton(ClickEvent e) {
        myService.doSomething(new AsyncCallback<Void>() {

            public void onFailure(Throwable caught) {
                Window.alert("Call to my service failed");
            }

            public void onSuccess(Void result) {
            }
        });
    }
}