public static Object readData(String filePath) {
Object result = null;
try {
filePath = StringUtil.checkFullPathLength(filePath);
FileLockManager.startFileRead(filePath);
if (isValid(filePath)) {
FileInputStream os = new FileInputStream(filePath);
XMLDecoder decoder = new XMLDecoder(os);
decoder.setExceptionListener(
new ExceptionListener() {
public void exceptionThrown(Exception exception) {
log.error("readData(): error", exception);
}
});
result = decoder.readObject();
decoder.close();
}
} catch (java.io.FileNotFoundException fnfe) {
log.trace("readData(): file not found exception, filePath=" + filePath);
} catch (Error e) {
log.error("readData(): error, filePath=" + filePath, e);
} catch (Exception e) {
log.error("readData(): exception, filePath=" + filePath, e);
} finally {
FileLockManager.endFileRead(filePath);
}
return result;
}
public static boolean saveData(Object data, String filePath) {
boolean result = false;
try {
if (log.isTraceEnabled()) log.trace("saveData(): data=" + data + ", filePath=" + filePath);
filePath = StringUtil.checkFullPathLength(filePath);
FileLockManager.startFileWrite(filePath);
if (filePath != null) {
File file = new File(filePath);
if (!file.isDirectory()) {
FileOutputStream os = new FileOutputStream(filePath);
XMLEncoder encoder = new XMLEncoder(os);
encoder.setExceptionListener(
new ExceptionListener() {
public void exceptionThrown(Exception exception) {
log.error("readData(): error", exception);
}
});
encoder.writeObject(data);
encoder.close();
result = true;
} else {
log.warn(
"saveData(): attempted to save over directory, filePath="
+ filePath
+ ", data="
+ data);
}
}
} catch (Error e) {
log.error("saveData(): error", e);
} catch (Exception e) {
log.error("saveData(): xception", e);
} finally {
FileLockManager.endFileWrite(filePath);
}
if (log.isTraceEnabled()) log.trace("saveData(): done saving...");
return result;
}