Improved ConfigAttributeEditor so it trims preceding and trailing spaces.

core/src/main/java/org/acegisecurity/ConfigAttributeEditor.java

@@ -23,6 +23,11 @@ import java.beans.PropertyEditorSupport;
 /**
  * A property editor that can create a populated  {@link
  * ConfigAttributeDefinition} from a comma separated list of values.
+ * 
+ * <P>
+ * Trims preceding and trailing spaces from presented command separated tokens,
+ * as this can be a source of hard-to-spot configuration issues for end users.
+ * </p>
  *
  * @author Ben Alex
  * @version $Id$
@@ -39,7 +44,7 @@ public class ConfigAttributeEditor extends PropertyEditorSupport {
 
             for (int i = 0; i < tokens.length; i++) {
                 configDefinition.addConfigAttribute(new SecurityConfig(
-                        tokens[i]));
+                        tokens[i].trim()));
             }
 
             setValue(configDefinition);

core/src/test/java/org/acegisecurity/ConfigAttributeEditorTests.java

@@ -17,6 +17,7 @@ package net.sf.acegisecurity;
 
 import junit.framework.TestCase;
 
+import java.util.ArrayList;
 import java.util.Iterator;
 
 
@@ -126,6 +127,27 @@ public class ConfigAttributeEditorTests extends TestCase {
         assertTrue(result == null);
     }
 
+    public void testStripsTrailingAndLeadingSpaces() {
+        ConfigAttributeEditor editor = new ConfigAttributeEditor();
+        editor.setAsText("  HELLO, DOCTOR,NAME,  YESTERDAY ,TOMORROW ");
+
+        ConfigAttributeDefinition result = (ConfigAttributeDefinition) editor
+            .getValue();
+        Iterator iter = result.getConfigAttributes();
+
+        ArrayList list = new ArrayList();
+
+        while (iter.hasNext()) {
+            list.add(iter.next());
+        }
+
+        assertEquals("HELLO", ((ConfigAttribute) list.get(0)).getAttribute());
+        assertEquals("DOCTOR", ((ConfigAttribute) list.get(1)).getAttribute());
+        assertEquals("NAME", ((ConfigAttribute) list.get(2)).getAttribute());
+        assertEquals("YESTERDAY", ((ConfigAttribute) list.get(3)).getAttribute());
+        assertEquals("TOMORROW", ((ConfigAttribute) list.get(4)).getAttribute());
+    }
+
     public void testToString() {
         ConfigAttributeEditor editor = new ConfigAttributeEditor();
         editor.setAsText("KOALA,KANGAROO,EMU,WOMBAT");