X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=support%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Freflection%2FReflectionUtils.java;h=b5cfb2174edde641ac868cd744cb5210e8d7c63e;hb=4a575582a5c2999bd816b197d9cf274b4b3ddcd7;hp=0f33c1c261dac9fb7992570f4ae9a78aff669d58;hpb=ceeb0bfdf5ca631544fabd5c0a12ccc79e993e40;p=utils

diff --git a/support/general/src/main/java/org/wamblee/reflection/ReflectionUtils.java b/support/general/src/main/java/org/wamblee/reflection/ReflectionUtils.java
index 0f33c1c2..b5cfb217 100644
--- a/support/general/src/main/java/org/wamblee/reflection/ReflectionUtils.java
+++ b/support/general/src/main/java/org/wamblee/reflection/ReflectionUtils.java
@@ -23,7 +23,21 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+/**
+ * Some utilities for reflection.
+ * 
+ * @author Erik Brakkee
+ */
 public class ReflectionUtils {
+
+    public static final List<Class> PRIMITIVE_WRAPPERS = createPrimitiveWrappers();
+
+    private static final List<Class> createPrimitiveWrappers() {
+        Class[] vals = { Boolean.class, Byte.class, Character.class,
+            Short.class, Integer.class, Long.class, Float.class, Double.class };
+        return Arrays.asList(vals);
+    }
+
     /**
      * Wraps a type by the corresponding wrapper type if it is a primitive type.
      * 
@@ -114,7 +128,7 @@ public class ReflectionUtils {
         Class... aExcludedClasses) {
         if (aClass.isInterface()) {
             throw new IllegalArgumentException(aClass.getName() +
-                " is not an interface.");
+                " is an interface.");
         }
         List<Field> found = new ArrayList<Field>();
         getAllFields(aClass, found, Arrays.asList(aExcludedClasses));
@@ -136,4 +150,17 @@ public class ReflectionUtils {
             getAllFields(superClass, aFound, aExcludedClasses);
         }
     }
+
+    /**
+     * Checks if a class is a primitive type or wrapper type.
+     * 
+     * @param aClass
+     * @return
+     */
+    public static boolean isPrimitive(Class aClass) {
+        if (aClass.isPrimitive()) {
+            return true;
+        }
+        return PRIMITIVE_WRAPPERS.contains(aClass);
+    }
 }