[Schmitzm-commits] r2212 - trunk/schmitzm-core/src/main/java/de/schmitzm/lang

[scm-commit at wald.intevation.org]

Author: mojays
Date: 2013-01-31 18:12:03 +0100 (Thu, 31 Jan 2013)
New Revision: 2212

Modified:
   trunk/schmitzm-core/src/main/java/de/schmitzm/lang/LangUtil.java
Log:
LangUtil: method to set default locale from command line parameters

Modified: trunk/schmitzm-core/src/main/java/de/schmitzm/lang/LangUtil.java
===================================================================
--- trunk/schmitzm-core/src/main/java/de/schmitzm/lang/LangUtil.java	2013-01-31 14:21:30 UTC (rev 2211)
+++ trunk/schmitzm-core/src/main/java/de/schmitzm/lang/LangUtil.java	2013-01-31 17:12:03 UTC (rev 2212)
@@ -2741,4 +2741,47 @@
       
       return sb.toString();
     }
+
+    
+    /**
+     * Checks the command line parameters for one of the following keys and
+     * sets the default {@link Locale}. Possible parameter keys: {@code -l},
+     * {@code -L}, {@code /l}, {@code /L} 
+     * @param args command line arguments
+     * @return array index the language parameter was found in; -1 if none of the possible
+     *               parameter keys was found
+     */
+    public static int setDefaultLocaleFromCommandLineArguments(String[] args) {
+      return setDefaultLocaleFromCommandLineArguments(args, false, "-l", "/l");
+    }
+    
+    /**
+     * Checks the command line parameters for a language parameter and
+     * sets the default {@link Locale}. 
+     * @param args command line arguments
+     * @param caseSensitive indicates whether the parameter must be specified exactly or
+     *                      case-insensitive
+     * @param paramKeys possible parameter keys for language code (e.g. "-l", "/l", "-language", ...)
+     *                  followed by a valid ISO-639 code      
+     * @return array index the language parameter was found in; -1 if none of the possible
+     *               parameter keys was found
+     */
+    public static int setDefaultLocaleFromCommandLineArguments(String[] args, boolean caseSensitive, String... paramKeys) {
+      for (int i=0; i<args.length; i++) {
+        // Angabe der Sprache
+        // -l <language>
+        for (String paramKey : paramKeys) {
+          if ( caseSensitive && args[i].equals(paramKey) || 
+              !caseSensitive && args[i].equalsIgnoreCase(paramKey) ) {
+            try {
+              Locale.setDefault( new Locale(args[i+1]) );
+              return i;
+            } catch (Exception err) {
+              System.err.println("Invalid Argument: After "+args[i]+" a valid ISO-639 code is expected");
+            }
+          }
+        }
+      }      
+      return -1;
+    }
 }