Fix NPE when adding a permission without a registrant (issue-344)

Change-Id: Id6bf070a43072a61a0034bd2d971fc819c9b03e3

.classpath

@@ -74,5 +74,10 @@
 	<classpathentry kind="lib" path="ext/commons-logging-1.1.1.jar" sourcepath="ext/src/commons-logging-1.1.1.jar" />
 	<classpathentry kind="lib" path="ext/commons-exec-1.1.jar" sourcepath="ext/src/commons-exec-1.1.jar" />
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER" />
+	<classpathentry kind="src" path="src/main/dagger">
+		<attributes>
+			<attribute name="optional" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="bin/classes" />
 </classpath>

releases.moxie

@@ -12,6 +12,7 @@ r20: {
     fixes:
 	- Fixed support for implied SSH urls in web.otherUrls (issue-311)
 	- Bind LDAP connection after establishing TLS initialization (issue-343)
+	- Fixed NPE when attempting to add a permission without a registrant (issue-344)
 	- Fix potential NPE on removing uncached repository from cache
 	- Ignore the default contents of .git/description file
 	- Fix error on generating activity page when there is no activity
@@ -72,6 +73,7 @@ r20: {
 	- Domingo Oropeza
 	- Chris Graham
 	- Guenter Dressel
+	- fpeters.fae
 }
 
 #

src/main/java/com/gitblit/wicket/panels/RegistrantPermissionsPanel.java

@@ -261,6 +261,9 @@ public class RegistrantPermissionsPanel extends BasePanel {
 				if (rp.permission == null) {
 					return;
 				}
+				if (rp.registrant == null) {
+					return;
+				}
 				RegistrantAccessPermission copy = DeepCopier.copy(rp);
 				if (StringUtils.findInvalidCharacter(copy.registrant) != null) {
 					copy.permissionType = PermissionType.REGEX;