Enhancement for the getString methods - handle compound messages

gallery · Sep 24, 2003 · 0f3d58b · 0f3d58b
1 parent 0135549
commit 0f3d58b
Showing 1 changed file with 90 additions and 3 deletions.
diff --git a/com/gallery/GalleryRemote/util/GRI18n.java b/com/gallery/GalleryRemote/util/GRI18n.java
@@ -12,6 +12,8 @@
 import java.util.Locale;
 import java.util.ResourceBundle;
 import java.util.MissingResourceException;
+import java.io.*;
+import java.text.MessageFormat;
 
 public class GRI18n implements PreferenceNames {
     private static final String RESNAME = "com.gallery.GalleryRemote.resources.GRResources";
@@ -20,6 +22,7 @@ public class GRI18n implements PreferenceNames {
     private static GRI18n ourInstance;
     private Locale grLocale;
     private ResourceBundle grResBundle;
+    private MessageFormat grMsgFrmt;
 
     public synchronized static GRI18n getInstance() {
         if (ourInstance == null) {
@@ -40,6 +43,7 @@ private GRI18n() {
             grLocale = new Locale(myLang, myCountry);
         }
 
+        grMsgFrmt = new MessageFormat("");
         setResBoundle();
 
     }
@@ -50,22 +54,59 @@ public void setLocale(String language, String country) {
     }
 
     public String getString(String key) {
+        return getString(getCallerName(), key);
+    }
+
+    public String getString(Object caller, String key) {
+        return getString(caller.getClass().getName(), key);
+    }
+
+    public String getString(String key, Object [] params) {
+        return getString(getCallerName(), key, params);
+    }
+
+    public String getString(Object caller, String key, Object [] params) {
+        return getString(caller.getClass().getName(), key, params);
+    }
+
+    private String getString(String className, String key) {
         String msg;
+        String extKey = className + "." + key;
         try {
-            msg = grResBundle.getString(key);
+            msg = grResBundle.getString(extKey);
         } catch (NullPointerException e) {
             Log.log(Log.ERROR, MODULE, "Key null error");
             Log.logException(Log.ERROR, MODULE, e);
             msg = "[NULLKEY]";
         } catch (MissingResourceException e) {
-            Log.log(Log.INFO, MODULE, "Key [" + key + "] not defined");
+            Log.log(Log.INFO, MODULE, "Key [" + extKey + "] not defined");
             Log.logException(Log.INFO, MODULE, e);
-            msg = "["+key+"]";
+            msg = "["+extKey+"]";
         }
 
         return msg;
+
     }
 
+    private String getString(String className, String key, Object [] params) {
+        String template, msg;
+        String extKey = className + "." + key;
+        try {
+            template = grResBundle.getString(extKey);
+            grMsgFrmt.applyPattern(template);
+            msg = grMsgFrmt.format(params);
+         } catch (NullPointerException e) {
+             Log.log(Log.ERROR, MODULE, "Key null error");
+             Log.logException(Log.ERROR, MODULE, e);
+             msg = "[NULLKEY]";
+         } catch (MissingResourceException e) {
+             Log.log(Log.INFO, MODULE, "Key [" + extKey + "] not defined");
+             Log.logException(Log.INFO, MODULE, e);
+             msg = "["+extKey+"]";
+         }
+
+         return msg;
+    }
 
     private void setResBoundle() {
         try {
@@ -74,8 +115,54 @@ private void setResBoundle() {
             Log.log(Log.ERROR, MODULE, "Resource bundle error");
             Log.logException(Log.ERROR, MODULE, e);
         }
+
+        grMsgFrmt.setLocale(grLocale);
+
     }
 
+    private static String getCallerName() {
+
+
+        StringWriter sw = new StringWriter();
+        new Throwable().printStackTrace(new PrintWriter(sw));
+        BufferedReader sr = new BufferedReader(new StringReader(sw.getBuffer().toString()));
+
+        String returnVal = "";
+
+        try {
+          int lineCount = 0;
+          String line;
+
+          while( (line = sr.readLine()) != null ) {
+            if(lineCount == 3) { // stack depth  1 --> getCallerName()
+                                 //              2     getCallerName's caller
+                                 //              3     actual caller we're interested in
+              int start = line.indexOf("at ") + 3,
+                  end   = line.indexOf("(");
+                  String [] returnVals;
+                String retTemp = line.substring(start, end);
+                returnVals = retTemp.split("\\.");
+                returnVal = returnVals[returnVals.length - 2];
+
+            }
+            lineCount++;
+          }
+        }
+        catch(IOException e) {
+            Log.log(Log.ERROR, MODULE, "Error reading the call stack...");
+            Log.logException(Log.ERROR, MODULE, e);
+        }
+
+        int initBegin = returnVal.indexOf(".<init>");      // trim off ".<init>" for initializers
+        if (initBegin != -1)
+          returnVal = returnVal.substring(0, initBegin);
+
+        int dollarSignBegin = returnVal.indexOf("$");
+        if (dollarSignBegin != -1)
+            returnVal = returnVal.substring(0, dollarSignBegin);
+
+        return returnVal;
+  }
 
 }