added isConcrete

darcs-hash:20060212011929-5007d-c889070b3c590dffdde3e0bb7528bf6ded0bdebe.gz

diff --git a/src/edu/berkeley/sbp/util/Reflection.java b/src/edu/berkeley/sbp/util/Reflection.java
index de614d0..24ef420 100644 (file)
--- a/src/edu/berkeley/sbp/util/Reflection.java
+++ b/src/edu/berkeley/sbp/util/Reflection.java
@@ -4,8 +4,8 @@ import java.lang.reflect.*;
 
 /** Random reflection-related utilities */
 public final class Reflection {
-
-    private static Object rebuild(Object o, Class c) {
+    
+    public static Object rebuild(Object o, Class c) {
         //System.out.println("rebuild " + o + " (a " + (o==null?null:o.getClass().getName()) + ") " + c);
         if (o==null || c.isAssignableFrom(o.getClass())) return o;
         if ((c == Character.class || c == Character.TYPE) && o instanceof String && ((String)o).length()==1) return new Character(((String)o).charAt(0));
@@ -140,4 +140,10 @@ public final class Reflection {
         return o+"";
     }
 
+    public static boolean isConcrete(Class c) {
+        if ((c.getModifiers() & Modifier.ABSTRACT) != 0) return false;
+        if ((c.getModifiers() & Modifier.INTERFACE) != 0) return false;
+        return true;
+    }
+
 }