moving to core/

[debian/openrocket] / core / src / net / sf / openrocket / l10n / ExceptionSuppressingTranslator.java

diff --git a/core/src/net/sf/openrocket/l10n/ExceptionSuppressingTranslator.java b/core/src/net/sf/openrocket/l10n/ExceptionSuppressingTranslator.java
new file mode 100644 (file)
index 0000000..dd916b6
--- /dev/null
+++ b/core/src/net/sf/openrocket/l10n/ExceptionSuppressingTranslator.java
@@ -0,0 +1,53 @@
+package net.sf.openrocket.l10n;
+
+import java.util.Locale;
+import java.util.MissingResourceException;
+
+import net.sf.openrocket.startup.Application;
+
+/**
+ * A translator that suppresses MissingResourceExceptions and handles them gracefully.
+ * For the first missing key this class calls the exception handler, and afterwards
+ * always returns the key for missing translations.
+ * 
+ * @author Sampo Niskanen <sampo.niskanen@iki.fi>
+ */
+public class ExceptionSuppressingTranslator implements Translator {
+       
+       static boolean errorReported = false;
+       
+       private final Translator translator;
+       
+       
+       /**
+        * Sole constructor.
+        * 
+        * @param translator    the translator to use
+        */
+       public ExceptionSuppressingTranslator(Translator translator) {
+               this.translator = translator;
+       }
+       
+       
+
+       @Override
+       public String get(String key) {
+               try {
+                       return translator.get(key);
+               } catch (MissingResourceException e) {
+                       handleError(key, e);
+               }
+               
+               return key;
+       }
+       
+       
+
+       private static synchronized void handleError(String key, MissingResourceException e) {
+               if (!errorReported) {
+                       errorReported = true;
+                       Application.getExceptionHandler().handleErrorCondition("Can not find translation for '" + key + "' locale=" + Locale.getDefault(), e);
+               }
+       }
+       
+}