From 3a4ba01622076d399adc5975ff6d169af50b141c Mon Sep 17 00:00:00 2001
From: Stephen Connolly <stephen.alan.connolly@gmail.com>
Date: Wed, 27 Jul 2016 15:41:12 +0100
Subject: [PATCH] [FIXED JENKINS-36996] Hide the Java Web Start launcher when
 the TCP agent port is disabled

---
 .../main/java/hudson/slaves/JNLPLauncher.java | 31 +++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/hudson/slaves/JNLPLauncher.java b/core/src/main/java/hudson/slaves/JNLPLauncher.java
index 37218e4fac..a58242b3d5 100644
--- a/core/src/main/java/hudson/slaves/JNLPLauncher.java
+++ b/core/src/main/java/hudson/slaves/JNLPLauncher.java
@@ -23,10 +23,13 @@
  */
 package hudson.slaves;
 
+import hudson.Extension;
+import hudson.Util;
 import hudson.model.Descriptor;
+import hudson.model.DescriptorVisibilityFilter;
 import hudson.model.TaskListener;
-import hudson.Util;
-import hudson.Extension;
+import javax.annotation.CheckForNull;
+import javax.annotation.Nonnull;
 import jenkins.model.Jenkins;
 import org.jenkinsci.Symbol;
 import org.kohsuke.stapler.DataBoundConstructor;
@@ -94,4 +97,28 @@ public class JNLPLauncher extends ComputerLauncher {
         }
     };
 
+    /**
+     * Hides the JNLP launcher when the JNLP agent port is not enabled.
+     * @since FIXME
+     */
+    @Extension
+    public static class DescriptorVisibilityFilterImpl extends DescriptorVisibilityFilter {
+
+        /**
+         * {@inheritDoc}
+         */
+        @Override
+        public boolean filter(@CheckForNull Object context, @Nonnull Descriptor descriptor) {
+            return descriptor.clazz != JNLPLauncher.class || Jenkins.getInstance().getTcpSlaveAgentListener() != null;
+        }
+
+        /**
+         * {@inheritDoc}
+         */
+        @Override
+        public boolean filterType(@Nonnull Class<?> contextClass, @Nonnull Descriptor descriptor) {
+            return descriptor.clazz != JNLPLauncher.class || Jenkins.getInstance().getTcpSlaveAgentListener() != null;
+        }
+    }
+
 }
-- 
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