Merge pull request #5 from ro-kr/render-null-as-empty

Render null as empty

pom.xml

@@ -3,14 +3,19 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>1.424</version>
+    <version>4.33</version>
   </parent>
 
+  <properties>
+    <jenkins.version>2.289.1</jenkins.version>
+    <java.level>8</java.level>
+  </properties>
+
   <groupId>org.jenkins-ci.plugins</groupId>
   <artifactId>anything-goes-formatter</artifactId>
   <version>1.1-SNAPSHOT</version>
   <packaging>hpi</packaging>
-  <url>https://wiki.jenkins-ci.org/pages/viewpage.action?pageId=60915753</url>
+  <url>https://wiki.jenkins-ci.org/JENKINS/60915753.html</url>
 
   <!-- get every artifact through maven.glassfish.org, which proxies all the artifacts that we need -->
   <repositories>

src/main/java/org/jenkinsci/plugins/UnsafeMarkupFormatter.java

@@ -18,7 +18,9 @@ public UnsafeMarkupFormatter() {
 
     @Override
     public void translate(String markup, Writer output) throws IOException {
-        output.write(markup);
+        if (markup != null) {
+            output.write(markup);
+        }
     }
 
     @Extension

src/main/resources/index.jelly

@@ -1,3 +1,4 @@
+<?jelly escape-by-default='true'?>
 <div>
   This plugin adds a markup formatter that's unsafe but allows more powerful
   HTML manipulation.

src/main/resources/org/jenkinsci/plugins/UnsafeMarkupFormatter/config.jelly

@@ -1,3 +1,4 @@
+<?jelly escape-by-default='true'?>
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
   <f:description>
     This markup formatter supports arbitrary HTML, including potentially dangerous elements like "script"