// License: GPL. For details, see LICENSE file. package org.openstreetmap.josm.data.preferences; import static org.openstreetmap.josm.tools.I18n.tr; import static org.openstreetmap.josm.tools.Utils.getSystemProperty; import java.awt.GraphicsEnvironment; import java.io.File; import javax.swing.JOptionPane; import org.openstreetmap.josm.gui.MainApplication; import org.openstreetmap.josm.spi.preferences.Config; import org.openstreetmap.josm.spi.preferences.IBaseDirectories; import org.openstreetmap.josm.tools.Logging; import org.openstreetmap.josm.tools.PlatformManager; /** * Class provides base directory locations for JOSM. * @since 13021 */ public final class JosmBaseDirectories implements IBaseDirectories { private JosmBaseDirectories() { // hide constructor } private static final class InstanceHolder { static final JosmBaseDirectories INSTANCE = new JosmBaseDirectories(); } /** * Returns the unique instance. * @return the unique instance */ public static JosmBaseDirectories getInstance() { return InstanceHolder.INSTANCE; } /** * Internal storage for the preference directory. */ private File preferencesDir; /** * Internal storage for the cache directory. */ private File cacheDir; /** * Internal storage for the user data directory. */ private File userdataDir; @Override public File getPreferencesDirectory(boolean createIfMissing) { if (preferencesDir == null) { String path = getSystemProperty("josm.pref"); if (path != null) { preferencesDir = new File(path).getAbsoluteFile(); } else { path = getSystemProperty("josm.home"); if (path != null) { preferencesDir = new File(path).getAbsoluteFile(); } else { preferencesDir = PlatformManager.getPlatform().getDefaultPrefDirectory(); } } } try { if (createIfMissing && !preferencesDir.exists() && !preferencesDir.mkdirs()) { Logging.warn(tr("Failed to create missing preferences directory: {0}", preferencesDir.getAbsoluteFile())); if (!GraphicsEnvironment.isHeadless()) { JOptionPane.showMessageDialog( MainApplication.getMainFrame(), tr("Failed to create missing preferences directory: {0}", preferencesDir.getAbsoluteFile()), tr("Error"), JOptionPane.ERROR_MESSAGE ); } } } catch (SecurityException e) { Logging.log(Logging.LEVEL_ERROR, "Unable to check if preferences dir must be created", e); } return preferencesDir; } @Override public File getUserDataDirectory(boolean createIfMissing) { if (userdataDir == null) { String path = getSystemProperty("josm.userdata"); if (path != null) { userdataDir = new File(path).getAbsoluteFile(); } else { path = getSystemProperty("josm.home"); if (path != null) { userdataDir = new File(path).getAbsoluteFile(); } else { userdataDir = PlatformManager.getPlatform().getDefaultUserDataDirectory(); } } } try { if (createIfMissing && !userdataDir.exists() && !userdataDir.mkdirs()) { Logging.warn(tr("Failed to create missing user data directory: {0}", userdataDir.getAbsoluteFile())); if (!GraphicsEnvironment.isHeadless()) { JOptionPane.showMessageDialog( MainApplication.getMainFrame(), tr("Failed to create missing user data directory: {0}", userdataDir.getAbsoluteFile()), tr("Error"), JOptionPane.ERROR_MESSAGE ); } } } catch (SecurityException e) { Logging.log(Logging.LEVEL_ERROR, "Unable to check if user data dir must be created", e); } return userdataDir; } @Override public File getCacheDirectory(boolean createIfMissing) { if (cacheDir == null) { String path = getSystemProperty("josm.cache"); if (path != null) { cacheDir = new File(path).getAbsoluteFile(); } else { path = getSystemProperty("josm.home"); if (path != null) { cacheDir = new File(path, "cache"); } else { path = Config.getPref().get("cache.folder", null); if (path != null) { cacheDir = new File(path).getAbsoluteFile(); } else { cacheDir = PlatformManager.getPlatform().getDefaultCacheDirectory(); } } } } try { if (createIfMissing && !cacheDir.exists() && !cacheDir.mkdirs()) { Logging.warn(tr("Failed to create missing cache directory: {0}", cacheDir.getAbsoluteFile())); if (!GraphicsEnvironment.isHeadless()) { JOptionPane.showMessageDialog( MainApplication.getMainFrame(), tr("Failed to create missing cache directory: {0}", cacheDir.getAbsoluteFile()), tr("Error"), JOptionPane.ERROR_MESSAGE ); } } } catch (SecurityException e) { Logging.log(Logging.LEVEL_ERROR, "Unable to check if cache dir must be created", e); } return cacheDir; } /** * Clears any previously calculated values used for {@link #getPreferencesDirectory(boolean)}, * {@link #getCacheDirectory(boolean)} or {@link #getUserDataDirectory(boolean)}. Useful for tests. * @since 14052 */ public void clearMemos() { this.preferencesDir = null; this.cacheDir = null; this.userdataDir = null; } }