/**
* Load preferences from the new file format.
*
* @param newPerfsFile FileWrapper containing the preferences information.
* @throws XMLException Thrown if error reading preferences file.
*/
private void loadNewPrefs(FileWrapper newPrefsFile) throws XMLException {
try {
try {
_settingsCache.load(newPrefsFile.getPath(), getClass().getClassLoader());
} catch (DuplicateObjectException ex) {
s_log.error("Cache should have been empty", ex);
}
Iterator<LAFPreferences> it = _settingsCache.getAllForClass(LAFPreferences.class);
if (it.hasNext()) {
_lafPrefs = it.next();
} else {
s_log.error("LAFPreferences object not loaded");
}
} catch (FileNotFoundException ignore) {
// property file not found for user - first time user ran pgm.
}
}
void load() {
try {
if (new File(_queriesFileName).exists()) {
XMLObjectCache cache = new XMLObjectCache();
cache.load(_queriesFileName, getClass().getClassLoader());
Iterator it = cache.getAllForClass(Folder.class);
if (it.hasNext()) {
_rootFolder = (Folder) it.next();
}
}
} catch (FileNotFoundException ignore) { // first time user has run pgm.
} catch (XMLException ex) {
final Logger log = _app.getLogger();
log.showMessage(Logger.ILogTypes.ERROR, "Error loading queries file: " + _queriesFileName);
log.showMessage(Logger.ILogTypes.ERROR, ex);
} catch (DuplicateObjectException ex) {
final Logger log = _app.getLogger();
log.showMessage(Logger.ILogTypes.ERROR, "Error loading queries file: " + _queriesFileName);
log.showMessage(Logger.ILogTypes.ERROR, ex);
}
}
/** Load from preferences file. */
private void loadPrefs() {
final FileWrapper oldPrefsFile =
fileWrapperFactory.create(_userSettingsFolder, OLD_USER_PREFS_FILE_NAME);
final FileWrapper newPrefsFile =
fileWrapperFactory.create(_userSettingsFolder, USER_PREFS_FILE_NAME);
final boolean oldExists = oldPrefsFile.exists();
final boolean newExists = newPrefsFile.exists();
try {
if (oldExists) {
loadOldPrefs(oldPrefsFile);
try {
_settingsCache.add(_lafPrefs);
} catch (DuplicateObjectException ex) {
s_log.error("LAFPreferences object already in cache", ex);
}
savePrefs(newPrefsFile);
if (!oldPrefsFile.delete()) {
s_log.error("Unable to delete old LAF preferences file");
}
} else if (newExists) {
loadNewPrefs(newPrefsFile);
}
} catch (IOException ex) {
s_log.error("Error occured in preferences file", ex);
} catch (XMLException ex) {
s_log.error("Error occured in preferences file", ex);
}
if (_lafPrefs == null) {
_lafPrefs = new LAFPreferences(IdentifierFactory.getInstance().createIdentifier());
_lafPrefs.setLookAndFeelClassName(MetalLookAndFeelController.METAL_LAF_CLASS_NAME);
try {
_settingsCache.add(_lafPrefs);
} catch (DuplicateObjectException ex) {
s_log.error("LAFPreferences object already in cache", ex);
}
}
}
/** Save cached objects. */
void save() {
try {
XMLObjectCache cache = new XMLObjectCache();
try {
if (_rootFolder != null) {
cache.add(_rootFolder);
}
} catch (DuplicateObjectException ignore) {
}
cache.save(_queriesFileName);
} catch (IOException ex) {
final Logger logger = _app.getLogger();
logger.showMessage(
Logger.ILogTypes.ERROR, "Error occured saving queries to " + _queriesFileName);
logger.showMessage(Logger.ILogTypes.ERROR, ex);
} catch (XMLException ex) {
final Logger logger = _app.getLogger();
logger.showMessage(
Logger.ILogTypes.ERROR, "Error occured saving queries to " + _queriesFileName);
logger.showMessage(Logger.ILogTypes.ERROR, ex);
}
}
/**
* Save preferences to disk.
*
* @param prefsFile File to save preferences to.
*/
private void savePrefs(FileWrapper prefsFile) throws IOException, XMLException {
_settingsCache.save(prefsFile.getPath());
}