edu.kit.dama.ui.simon.SimonPortlet.java Source code

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Here is the source code for edu.kit.dama.ui.simon.SimonPortlet.java

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/**
 * Copyright (C) 2014 Karlsruhe Institute of Technology
 *
 *
 * 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 edu.kit.dama.ui.simon;

import com.vaadin.annotations.Theme;
import com.vaadin.annotations.VaadinServletConfiguration;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinServlet;
import com.vaadin.ui.UI;
import edu.kit.dama.ui.simon.panel.SimonMainPanel;
import edu.kit.dama.ui.simon.util.SimonConfigurator;
import edu.kit.dama.util.DataManagerSettings;
import java.io.File;
import javax.servlet.annotation.WebServlet;
import org.apache.commons.configuration.ConfigurationException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Theme("mytheme")
@SuppressWarnings("serial")
public class SimonPortlet extends UI {

    private static final Logger LOGGER = LoggerFactory.getLogger(SimonPortlet.class);

    @WebServlet(value = "/*", asyncSupported = true)
    @VaadinServletConfiguration(productionMode = true, ui = SimonPortlet.class)
    public static class Servlet extends VaadinServlet {
    }

    @Override
    protected void init(VaadinRequest request) {
        try {
            String path = DataManagerSettings.getSingleton()
                    .getStringProperty(DataManagerSettings.SIMON_CONFIG_LOCATION_ID, null);
            if (path == null || !new File(path).exists()) {
                throw new ConfigurationException("Configuration element '"
                        + DataManagerSettings.SIMON_CONFIG_LOCATION_ID + "' is not set or not a valid directory.");
            }
            File configLocation = new File(path);
            SimonConfigurator.getSingleton().setConfigLocation(configLocation);
        } catch (ConfigurationException ex) {
            LOGGER.error("Failed to initialize SimpleMonitoring", ex);
        }
        setContent(new SimonMainPanel());
        setWidth("1024px");
        setHeight("800px");
    }
}