edu.kit.dama.transfer.client.impl.GUIDownloadClient.java Source code

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Here is the source code for edu.kit.dama.transfer.client.impl.GUIDownloadClient.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.
 */
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package edu.kit.dama.transfer.client.impl;

import edu.kit.dama.transfer.client.impl.ui.TransferUI;
import edu.kit.dama.transfer.client.exceptions.CommandLineHelpOnlyException;
import edu.kit.dama.transfer.client.exceptions.TransferClientInstatiationException;
import org.apache.commons.lang.time.DateUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 *
 * @author jejkal
 */
public class GUIDownloadClient extends BaseUserClient implements Thread.UncaughtExceptionHandler {

    /**
     * The logger
     */
    private static final Logger LOGGER = LoggerFactory.getLogger(GUIDownloadClient.class);
    /**
     * The graphical user interface
     */
    private TransferUI userInterface = null;

    /**
     * Default constructor
     *
     * @param pArgs The command line argument array
     *
     * @throws TransferClientInstatiationException If the initialization fails
     * @throws CommandLineHelpOnlyException If the user provided the option to
     * show command line help only
     */
    public GUIDownloadClient(String[] pArgs)
            throws TransferClientInstatiationException, CommandLineHelpOnlyException {
        super();
        configure(pArgs);
        userInterface = new TransferUI(this);
    }

    /**
     * Set the user interface visible
     */
    public final void setVisible() {
        userInterface.setVisible(true);
    }

    /**
     * Returns if the transfer UI is still visible
     *
     * @return TRUE = The transfer UI is visible
     */
    public final boolean isVisible() {
        return userInterface.isVisible();
    }

    @Override
    public void uncaughtException(Thread t, Throwable e) {
        if (userInterface != null) {
            userInterface.handleException(t.getName(), e);
        }
    }

    /**
     * The main entry point
     *
     * @param args The command line argument array
     */
    public static void main(String[] args) {

        int result = 0;
        GUIDownloadClient client;
        try {
            client = new GUIDownloadClient(args);
            Thread.currentThread().setUncaughtExceptionHandler(client);
            client.setVisible();
            while (client.isVisible()) {
                try {
                    Thread.sleep(DateUtils.MILLIS_PER_SECOND);
                } catch (InterruptedException ie) {
                }
            }
        } catch (TransferClientInstatiationException ie) {
            LOGGER.error("Failed to instantiate GUI client", ie);
            result = 1;
        } catch (CommandLineHelpOnlyException choe) {
            result = 0;
        }
        System.exit(result);
    }
}