Added a getParameter() that returns a default string if the desired parameter

is not specified.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@1720 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/src/java/com/samskivert/servlet/util/ParameterUtil.java

@@ -56,7 +56,6 @@ public class ParameterUtil
 	String value = req.getParameter(name);
         if (value == null) {
             return returnNull ? null : "";
-
         } else {
             return value.trim();
         }
@@ -74,7 +73,6 @@ public class ParameterUtil
     {
 	return parseFloatParameter(
             getParameter(req, name, false), invalidDataMessage);
-        
     }
 
     /**
@@ -89,7 +87,6 @@ public class ParameterUtil
     {
 	return parseIntParameter(
             getParameter(req, name, false), invalidDataMessage);
-        
     }
 
     /**
@@ -164,6 +161,17 @@ public class ParameterUtil
         return set;
     }
 
+    /**
+     * Fetches the supplied parameter from the request. If the parameter does
+     * not exist, <code>defval</code> is returned.
+     */
+    public static String getParameter (
+        HttpServletRequest req, String name, String defval)
+    {
+	String value = req.getParameter(name);
+        return StringUtil.blank(value) ? defval : value.trim();
+    }
+
     /**
      * Fetches the supplied parameter from the request and converts it to
      * an integer. If the parameter does not exist, <code>defval</code> is