Java tutorial
/******************************************************************************* * Copyright (c) OSMCB developers * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ package osmcd.program; import java.io.File; import java.io.FileFilter; import java.io.IOException; import java.util.Locale; import javax.swing.JOptionPane; import org.apache.commons.io.FileUtils; import org.apache.log4j.Logger; import osmcd.mapsources.MapSourcesManager; import osmcd.program.interfaces.MapSource; import osmcd.program.model.Atlas; import osmcd.program.model.EastNorthCoordinate; import osmcd.program.model.Layer; import osmcd.program.model.Profile; import osmcd.program.model.Settings; import osmcd.utilities.GUIExceptionHandler; import osmcd.utilities.I18nUtils; import osmcd.utilities.Utilities; import osmcd.utilities.file.FileExtFilter; import osmcd.utilities.file.NamePatternFileFilter; /** * Creates the necessary files on first time OpenSeaMap ChartBundler is started or tries to update the environment if the version has changed. */ public class EnvironmentSetup { private static boolean FIRST_START = false; public static Logger log = Logger.getLogger(EnvironmentSetup.class); public static void checkMemory() { Runtime r = Runtime.getRuntime(); long maxHeap = r.maxMemory(); String heapMBFormatted = String.format(Locale.ENGLISH, "%3.2f MiB", maxHeap / 1048576d); log.info("Total available memory to OSMCB: " + heapMBFormatted); if (maxHeap < 200000000) { String msg = String.format(I18nUtils.localizedStringForKey("msg_environment_lack_memory"), heapMBFormatted); JOptionPane.showMessageDialog(null, msg, I18nUtils.localizedStringForKey("msg_environment_lack_memory_title"), JOptionPane.WARNING_MESSAGE); } } public static void upgrade() { FileFilter ff = new NamePatternFileFilter("tac-profile-.*.xml"); File profilesDir = DirectoryManager.currentDir; File[] files = profilesDir.listFiles(ff); for (File f : files) { File dest = new File(profilesDir, f.getName().replaceFirst("tac-", "osmcd-")); f.renameTo(dest); } } /** * In case the <tt>mapsources</tt> directory has been moved by configuration (directories.ini or settings.xml) we need to copy the existing map packs into the * configured directory */ public static void copyMapPacks() { File userMapSourcesDir = Settings.getInstance().getMapSourcesDirectory(); File progMapSourcesDir = new File(DirectoryManager.programDir, "mapsources"); if (userMapSourcesDir.equals(progMapSourcesDir)) return; // no user specific directory configured if (userMapSourcesDir.isDirectory()) return; // directory already exists - map packs should have been already copied try { Utilities.mkDirs(userMapSourcesDir); FileUtils.copyDirectory(progMapSourcesDir, userMapSourcesDir, new FileExtFilter(".jar")); } catch (IOException e) { log.error(e); JOptionPane.showMessageDialog(null, I18nUtils.localizedStringForKey("msg_environment_error_init_mapsrc_dir") + e.getMessage(), I18nUtils.localizedStringForKey("Error"), JOptionPane.ERROR_MESSAGE); System.exit(1); } } /** * Note: This method has be be called before {@link Settings#loadOrQuit()}. Therefore no localization is available at this point. */ public static void checkFileSetup() { checkDirectory(DirectoryManager.userSettingsDir, "user settings", true); checkDirectory(DirectoryManager.atlasProfilesDir, "atlas profile", true); checkDirectory(DirectoryManager.tileStoreDir, "tile store", true); checkDirectory(DirectoryManager.tempDir, "temporary atlas download", true); if (!Settings.FILE.exists()) { try { FIRST_START = true; Settings.save(); } catch (Exception e) { log.error("Error while creating settings.xml: " + e.getMessage(), e); String[] options = { "Exit", "Show error report" }; int a = JOptionPane.showOptionDialog(null, "Could not create file settings.xml - program will exit.", "Error", 0, JOptionPane.ERROR_MESSAGE, null, options, options[0]); if (a == 1) GUIExceptionHandler.showExceptionDialog(e); System.exit(1); } } } protected static void checkDirectory(File dir, String dirName, boolean checkIsWriteable) { try { Utilities.mkDirs(dir); } catch (IOException e) { GUIExceptionHandler.processFatalExceptionSimpleDialog( String.format(I18nUtils.localizedStringForKey("msg_environment_error_create_dir"), dirName, dir.getAbsolutePath()), e); } if (!checkIsWriteable) return; try { // test if we can write into that directory File testFile = File.createTempFile("OSMCB", "", dir); testFile.createNewFile(); testFile.deleteOnExit(); testFile.delete(); } catch (IOException e) { GUIExceptionHandler.processFatalExceptionSimpleDialog( String.format(I18nUtils.localizedStringForKey("msg_environment_error_write_file"), dirName, dir.getAbsolutePath()), e); } } public static void createDefaultAtlases() { if (!FIRST_START) return; // TODO:MP change sample to Chinese Profile p = new Profile("Google Maps New York"); Atlas atlas = Atlas.newInstance(); try { EastNorthCoordinate max = new EastNorthCoordinate(40.97264, -74.142609); EastNorthCoordinate min = new EastNorthCoordinate(40.541982, -73.699036); Layer layer = new Layer(atlas, "GM New York", 14); MapSource ms = MapSourcesManager.getInstance().getSourceByName("Mapnik"); if (ms == null) return; layer.addMapsAutocut("GM New York 16", ms, max, min, 16, null, 32000); layer.addMapsAutocut("GM New York 14", ms, max, min, 14, null, 32000); atlas.addLayer(layer); p.save(atlas); } catch (Exception e) { log.error("Creation for example profiles failed", e); GUIExceptionHandler.showExceptionDialog(e); } } }