From e985ee69ff2cb278f137df5fa4bdc380b1caff88 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Oliver=20Gond=C5=BEa?= <ogondza@gmail.com>
Date: Thu, 6 Nov 2014 13:04:24 +0100
Subject: [PATCH] Expose
 AbstractProject.AbstractProjectDescriptor#validateLabelExpression for plugins

---
 core/src/main/java/hudson/model/AbstractProject.java | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/core/src/main/java/hudson/model/AbstractProject.java b/core/src/main/java/hudson/model/AbstractProject.java
index a98047ca0a..9de1b5beec 100644
--- a/core/src/main/java/hudson/model/AbstractProject.java
+++ b/core/src/main/java/hudson/model/AbstractProject.java
@@ -2043,6 +2043,16 @@ public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends A
 
         public FormValidation doCheckLabel(@AncestorInPath AbstractProject<?,?> project,
                                            @QueryParameter String value) {
+            return validateLabelExpression(value, project);
+        }
+
+        /**
+         * Validate label expression string.
+         *
+         * @param project May be specified to perform project specific validation.
+         * @since TODO
+         */
+        public static @Nonnull FormValidation validateLabelExpression(String value, @CheckForNull AbstractProject<?, ?> project) {
             if (Util.fixEmpty(value)==null)
                 return FormValidation.ok(); // nothing typed yet
             try {