public void load(String filename) {
Map data = FileUtil.readResilientConfigFile(filename, false);
// horrendous recursive loading going on here due to logger + config depedencies. If already
// loaded
// then use the existing data as it might have already been written to...
if (propertiesMap == null) {
ConcurrentHashMapWrapper<String, Object> c_map =
new ConcurrentHashMapWrapper<String, Object>(data.size() + 256, 0.75f, 8);
c_map.putAll(data);
propertiesMap = c_map;
}
/*
* Can't do this yet. Sometimes, there's a default set to x, but the code
* calls get..Parameter(..., y). y != x. When the user sets the the parameter
* to x, we remove it from the list. Later, the get..Parameter(.., y) returns
* y because there is no entry.
*
* The solution is to not allow get..Parameter(.., y) when there's a default
* value. Another reason to not allow it is that having two defaults confuses
* coders.
*
// Remove entries that are default. Saves memory, reduces
// file size when saved again
ConfigurationDefaults def = ConfigurationDefaults.getInstance();
Iterator it = new TreeSet(propertiesMap.keySet()).iterator();
while (it.hasNext()) {
String key = (String)it.next();
Object defValue = def.getDefaultValueAsObject(key);
if (defValue == null)
continue;
if (defValue instanceof Long) {
int iDefValue = ((Long)defValue).intValue();
int iValue = getIntParameter(key, iDefValue);
if (iValue == iDefValue)
propertiesMap.remove(key);
}
if (defValue instanceof String) {
String sDefValue = defValue.toString();
String sValue = getStringParameter(key, sDefValue);
if (sValue.compareTo(sDefValue) == 0)
propertiesMap.remove(key);
}
}
*/
}
public void save(String filename) {
if (propertiesMap == null) {
// nothing to save, initialisation not complete
return;
}
/**
* Note - propertiesMap isn't synchronised! We'll clone the map now, because we need to modify
* it. The BEncoding code will create a new map object (TreeMap) because it needs to be sorted,
* so we might as well do it here too.
*/
TreeMap<String, Object> properties_clone = propertiesMap.toTreeMap();
// Remove any transient parameters.
if (!this.transient_properties.isEmpty()) {
properties_clone.keySet().removeAll(this.transient_properties);
}
FileUtil.writeResilientConfigFile(filename, properties_clone);
List<COConfigurationListener> listeners_copy;
synchronized (listenerz) {
listeners_copy = new ArrayList<COConfigurationListener>(listenerz);
}
for (int i = 0; i < listeners_copy.size(); i++) {
COConfigurationListener l = (COConfigurationListener) listeners_copy.get(i);
if (l != null) {
try {
l.configurationSaved();
} catch (Throwable e) {
Debug.printStackTrace(e);
}
} else {
Debug.out("COConfigurationListener is null");
}
}
if (exported_parameters_dirty) {
exportParameters();
}
}
public String getDirectoryParameter(String parameter) throws IOException {
String dir = getStringParameter(parameter);
if (dir.length() > 0) {
File temp = new File(dir);
if (!temp.exists()) {
FileUtil.mkdirs(temp);
}
if (!temp.isDirectory()) {
throw new IOException("Configuration error. This is not a directory: " + dir);
}
}
return dir;
}
