public class Bundle<E extends Enum<E>> {
protected Class<E> type;
protected Enum<?> name;
- private ResourceBundle map;
- private Map<String, String> changeMap;
+ private Map<String, String> map; // R/O map
+ private Map<String, String> changeMap; // R/W map
/**
* Create a new {@link Bundles} of the given name.
protected Bundle(Class<E> type, Enum<?> name) {
this.type = type;
this.name = name;
+ this.map = new HashMap<String, String>();
this.changeMap = new HashMap<String, String>();
setBundle(name, Locale.getDefault(), false);
}
* resource file)
*/
public String getString(E id) {
- return getStringX(id, null);
+ return getString(id.name());
}
/**
*
*/
public void setString(E id, String value) {
- setStringX(id, null, value);
+ setString(id.name(), value);
}
/**
* Return the value associated to the given id as a {@link String} suffixed
* with the runtime value "_suffix" (that is, "_" and suffix).
+ * <p>
+ * Will only accept suffixes that form an existing id.
*
* @param mame
* the id of the value to get
String key = id.name()
+ (suffix == null ? "" : "_" + suffix.toUpperCase());
- if (containsKey(key)) {
- return getString(key).trim();
+ try {
+ id = Enum.valueOf(type, key);
+ return getString(id);
+ } catch (IllegalArgumentException e) {
+
}
return null;
/**
* Set the value associated to the given id as a {@link String} suffixed
* with the runtime value "_suffix" (that is, "_" and suffix).
+ * <p>
+ * Will only accept suffixes that form an existing id.
*
* @param mame
* the id of the value to get
String key = id.name()
+ (suffix == null ? "" : "_" + suffix.toUpperCase());
- setString(key, value);
+ try {
+ id = Enum.valueOf(type, key);
+ setString(id, value);
+ } catch (IllegalArgumentException e) {
+
+ }
}
/**
setString(id, "#" + r + g + b + a);
}
+ /**
+ * Create/update the .properties file.
+ * <p>
+ * Will use the most likely candidate as base if the file does not already
+ * exists and this resource is translatable (for instance, "en_US" will use
+ * "en" as a base if the resource is a translation file).
+ * <p>
+ * Will update the files in {@link Bundles#getDirectory()}; it <b>MUST</b>
+ * be set.
+ *
+ * @throws IOException
+ * in case of IO errors
+ */
+ public void updateFile() throws IOException {
+ updateFile(Bundles.getDirectory());
+ }
+
/**
* Create/update the .properties file.
* <p>
* "en" as a base if the resource is a translation file).
*
* @param path
- * the path where the .properties files are
+ * the path where the .properties files are, <b>MUST NOT</b> be
+ * NULL
*
* @throws IOException
* in case of IO errors
* configuration)
*/
public void reload(boolean resetToDefault) {
- setBundle(name, null, resetToDefault);
+ setBundle(name, Locale.getDefault(), resetToDefault);
}
/**
* @return true if it does
*/
protected boolean containsKey(String key) {
- if (changeMap.containsKey(key)) {
- return true;
- }
-
- if (map != null) {
- try {
- map.getObject(key);
- return true;
- } catch (MissingResourceException e) {
- }
- }
-
- return false;
+ return changeMap.containsKey(key) || map.containsKey(key);
}
/**
return changeMap.get(key);
}
- if (map != null && containsKey(key)) {
- return map.getString(key);
+ if (map.containsKey(key)) {
+ return map.get(key);
}
return null;
* the associated value
*/
protected void setString(String key, String value) {
- changeMap.put(key, value);
+ changeMap.put(key, value == null ? null : value.trim());
}
/**
* configuration)
*/
protected void setBundle(Enum<?> name, Locale locale, boolean resetToDefault) {
- map = null;
changeMap.clear();
String dir = Bundles.getDirectory();
+ boolean found = false;
if (!resetToDefault && dir != null) {
try {
File file = getPropertyFile(dir, name.name(), locale);
if (file != null) {
Reader reader = new InputStreamReader(new FileInputStream(
file), "UTF8");
- map = new PropertyResourceBundle(reader);
+ resetMap(new PropertyResourceBundle(reader));
+ found = true;
}
} catch (IOException e) {
e.printStackTrace();
}
}
- if (map == null) {
+ if (!found) {
+ String bname = type.getPackage().getName() + "." + name.name();
try {
- map = ResourceBundle.getBundle(type.getPackage().getName()
- + "." + name.name(), locale,
- new FixedResourceBundleControl());
+ resetMap(ResourceBundle
+ .getBundle(bname, locale, type.getClassLoader(),
+ new FixedResourceBundleControl()));
} catch (Exception e) {
// We have no bundle for this Bundle
- map = null;
+ System.err.println("No bundle found for: " + bname);
+ resetMap(null);
+ }
+ }
+ }
+
+ /**
+ * Reset the backing map to the content of the given bundle, or empty if
+ * bundle is NULL.
+ *
+ * @param bundle
+ * the bundle to copy
+ */
+ private void resetMap(ResourceBundle bundle) {
+ this.map.clear();
+
+ if (bundle != null) {
+ for (E field : type.getEnumConstants()) {
+ try {
+ String value = bundle.getString(field.name());
+ this.map.put(field.name(),
+ value == null ? null : value.trim());
+ } catch (MissingResourceException e) {
+ }
}
}
}
* the "set" methods ( {@link Bundle#setString(Enum, String)}...) at the
* current time.
*
- * @return a snapshot to use with {@link Bundle#restoreChanges(Object)}
+ * @return a snapshot to use with {@link Bundle#restoreSnapshot(Object)}
*/
- protected Object takeChangesSnapshot() {
+ public Object takeSnapshot() {
return new HashMap<String, String>(changeMap);
}
* the snapshot or NULL
*/
@SuppressWarnings("unchecked")
- protected void restoreChanges(Object snap) {
+ public void restoreSnapshot(Object snap) {
if (snap == null) {
changeMap.clear();
} else {
addTest(new TestCase("Reload") {
@Override
public void test() throws Exception {
- String now = b.getString(E.ONE);
- b.reload(true);
String def = b.getString(E.ONE);
+ String val = "Something";
+
+ b.setString(E.ONE, val);
+ b.updateFile();
+ b.reload(true);
+
+ assertEquals("We should have reset the bundle", def,
+ b.getString(E.ONE));
+
b.reload(false);
- assertEquals("We should not have a bundle to load",
- null, def);
assertEquals("We should have reloaded the same files",
- now, b.getString(E.ONE));
+ val, b.getString(E.ONE));
// reset values for next tests
- b.reload(false);
+ b.reload(true);
+ b.updateFile();
}
});
assertEquals(val, setGet);
// reset values for next tests
- b.restoreChanges(null);
+ b.restoreSnapshot(null);
}
});
String def = b.getString(E.ONE);
b.setString(E.ONE, val);
- Object snap = b.takeChangesSnapshot();
+ Object snap = b.takeSnapshot();
- b.restoreChanges(null);
+ b.restoreSnapshot(null);
assertEquals(
"restoreChanges(null) should clear the changes",
def, b.getString(E.ONE));
- b.restoreChanges(snap);
+ b.restoreSnapshot(snap);
assertEquals(
"restoreChanges(snapshot) should restore the changes",
val, b.getString(E.ONE));
// reset values for next tests
- b.restoreChanges(null);
+ b.restoreSnapshot(null);
}
});
@Override
// ...and make it public
- public Object takeChangesSnapshot() {
- return super.takeChangesSnapshot();
+ public Object takeSnapshot() {
+ return super.takeSnapshot();
}
@Override
// ...and make it public
- public void restoreChanges(Object snap) {
- super.restoreChanges(snap);
+ public void restoreSnapshot(Object snap) {
+ super.restoreSnapshot(snap);
}
}