org.opennms.gwt.web.ui.asset.client.AssetPage.java Source code

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Here is the source code for org.opennms.gwt.web.ui.asset.client.AssetPage.java

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/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2011-2014 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2014 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
 *     http://www.opennms.org/
 *     http://www.opennms.com/
 *******************************************************************************/

package org.opennms.gwt.web.ui.asset.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.rpc.ServiceDefTarget;
import com.google.gwt.user.client.ui.RootPanel;

/**
 * @author <a href="mailto:MarkusNeumannMarkus@gmail.com">Markus Neumann</a>
 * EntryPoint of asset module. Following GWT MVP design.
 */
public class AssetPage implements EntryPoint {

    private AssetServiceAsync m_assetServiceAsync;

    @Override
    public void onModuleLoad() {
        AssetServiceAsync rpcService = getAssetService();
        HandlerManager eventBus = new HandlerManager(null);
        AppController appViewer = new AppController(rpcService, eventBus);

        if (RootPanel.get("opennms-assetNodePage") != null) {
            appViewer.go(RootPanel.get("opennms-assetNodePage"));
        }
    }

    private AssetServiceAsync getAssetService() {
        if (m_assetServiceAsync == null) {
            String serviceEntryPoint = GWT.getHostPageBaseURL() + "assetService.gwt";

            // define the service you want to call
            final AssetServiceAsync svc = (AssetServiceAsync) GWT.create(AssetService.class);
            ServiceDefTarget endpoint = (ServiceDefTarget) svc;
            endpoint.setServiceEntryPoint(serviceEntryPoint);
            m_assetServiceAsync = svc;
        }
        return m_assetServiceAsync;
    }
}