lucene/luke/src/java/org/apache/lucene/luke/app/desktop/LukeMain.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.lucene.luke.app.desktop;

import javax.swing.JFrame;
import javax.swing.UIManager;
import java.awt.GraphicsEnvironment;
import java.io.IOException;
import java.lang.invoke.MethodHandles;
import java.nio.file.FileSystems;

import org.apache.logging.log4j.Logger;
import org.apache.lucene.luke.app.desktop.components.LukeWindowProvider;
import org.apache.lucene.luke.app.desktop.components.dialog.menubar.OpenIndexDialogFactory;
import org.apache.lucene.luke.app.desktop.util.DialogOpener;
import org.apache.lucene.luke.app.desktop.util.FontUtils;
import org.apache.lucene.luke.app.desktop.util.MessageUtils;
import org.apache.lucene.luke.util.LoggerFactory;

import static org.apache.lucene.luke.app.desktop.util.ExceptionHandler.handle;

/** Entry class for desktop Luke */
public class LukeMain {

  public static final String LOG_FILE = System.getProperty("user.home") +
      FileSystems.getDefault().getSeparator() + ".luke.d" +
      FileSystems.getDefault().getSeparator() + "luke.log";

  static {
    LoggerFactory.initGuiLogging(LOG_FILE);
  }
  private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
  private static JFrame frame;

  public static JFrame getOwnerFrame() {
    return frame;
  }

  private static void createAndShowGUI() {
    // uncaught error handler
    MessageBroker messageBroker = MessageBroker.getInstance();
    Thread.setDefaultUncaughtExceptionHandler((thread, cause) ->
        handle(cause, messageBroker)
    );

    try {
      frame = new LukeWindowProvider().get();
      frame.setLocation(200, 100);
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.pack();
      frame.setVisible(true);

      // show open index dialog
      OpenIndexDialogFactory openIndexDialogFactory = OpenIndexDialogFactory.getInstance();
      new DialogOpener<>(openIndexDialogFactory).open(MessageUtils.getLocalizedMessage("openindex.dialog.title"), 600, 420,
          (factory) -> {
          });
    } catch (IOException e) {
      messageBroker.showUnknownErrorMessage();
      log.error("Cannot initialize components.", e);
    }
  }

  public static void main(String[] args) throws Exception {
    String lookAndFeelClassName = UIManager.getSystemLookAndFeelClassName();
    if (!lookAndFeelClassName.contains("AquaLookAndFeel") && !lookAndFeelClassName.contains("PlasticXPLookAndFeel")) {
      // may be running on linux platform
      lookAndFeelClassName = "javax.swing.plaf.metal.MetalLookAndFeel";
    }
    UIManager.setLookAndFeel(lookAndFeelClassName);

    GraphicsEnvironment genv = GraphicsEnvironment.getLocalGraphicsEnvironment();
    genv.registerFont(FontUtils.createElegantIconFont());

    javax.swing.SwingUtilities.invokeLater(LukeMain::createAndShowGUI);

  }
}