[JENKINS-26781] set $class in submitted form to use descriptor.id, so…

… descriptor can be retrieved by ID, which _may_ not be clazz.name

core/src/main/java/hudson/model/Descriptor.java

@@ -1,18 +1,18 @@
 /*
  * The MIT License
- * 
+ *
  * Copyright (c) 2004-2011, Sun Microsystems, Inc., Kohsuke Kawaguchi
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -117,7 +117,7 @@
  * {@link Descriptor} defines addition to the standard Java reflection
  * and provides reflective information about its corresponding {@link Describable}.
  * These are primarily used by tag libraries to
- * keep the Jelly scripts concise. 
+ * keep the Jelly scripts concise.
  *
  * @author Kohsuke Kawaguchi
  * @see Describable
@@ -222,7 +222,7 @@ public Descriptor getItemTypeDescriptorOrDie() {
     /**
      * Help file redirect, keyed by the field name to the path.
      *
-     * @see #getHelpFile(String) 
+     * @see #getHelpFile(String)
      */
     private transient final Map<String,HelpRedirect> helpRedirect = new HashMap<String,HelpRedirect>();
 
@@ -260,7 +260,7 @@ protected Descriptor(Class<? extends T> clazz) {
      * Infers the type of the corresponding {@link Describable} from the outer class.
      * This version works when you follow the common convention, where a descriptor
      * is written as the static nested class of the describable class.
-     * 
+     *
      * @since 1.278
      */
     protected Descriptor() {
@@ -309,7 +309,7 @@ protected Descriptor() {
      *
      * @return
      *      Stick to valid Java identifier character, plus '.', which had to be allowed for historical reasons.
-     * 
+     *
      * @since 1.391
      */
     public String getId() {
@@ -510,7 +510,7 @@ public final String getJsonSafeClassName() {
     /**
      * @deprecated
      *      Implement {@link #newInstance(StaplerRequest, JSONObject)} method instead.
-     *      Deprecated as of 1.145. 
+     *      Deprecated as of 1.145.
      */
     public T newInstance(StaplerRequest req) throws FormException {
         throw new UnsupportedOperationException(getClass()+" should implement newInstance(StaplerRequest,JSONObject)");
@@ -656,7 +656,7 @@ public String getHelpFile(Klass<?> clazz, String fieldName) {
         }
         return null;
     }
-    
+
     /**
      * Tells Jenkins that the help file for the field 'fieldName' is defined in the help file for
      * the 'fieldNameToRedirectTo' in the 'owner' class.
@@ -711,7 +711,7 @@ public String getConfigPage() {
     public String getGlobalConfigPage() {
         return getViewPage(clazz, getPossibleViewNames("global"), null);
     }
-    
+
     private String getViewPage(Class<?> clazz, String pageName, String defaultValue) {
         return getViewPage(clazz,Collections.singleton(pageName),defaultValue);
     }
@@ -918,6 +918,7 @@ private URL getStaticHelpUrl(Klass<?> c, String suffix) {
                 if (d != null) {
                     items.add(d.newInstance(req, jo));
                 }
+                LOGGER.warning("Received unexpected formData for descriptor " + kind);
             }
         }
 
@@ -929,7 +930,7 @@ private URL getStaticHelpUrl(Klass<?> c, String suffix) {
      */
     public static @CheckForNull <T extends Descriptor> T find(Collection<? extends T> list, String className) {
         for (T d : list) {
-            if(d.getClass().getName().equals(className))
+            if(d.clazz.getName().equals(className))
                 return d;
         }
         // Since we introduced Descriptor.getId(), it is a preferred method of identifying descriptor by a string.

core/src/main/resources/lib/form/class-entry.jelly

@@ -34,7 +34,7 @@ THE SOFTWARE.
       structured form submission.  Mutually exclusive with clazz.
     </st:attribute>
   </st:documentation>
-  <j:set var="clazz" value="${attrs.clazz ?: attrs.descriptor.clazz.name}" />
+  <j:set var="clazz" value="${attrs.clazz ?: attrs.descriptor.id}" />
   <f:invisibleEntry>
     <!-- Legacy: Remove once plugins have been staged onto $class -->
     <input type="hidden" name="stapler-class" value="${clazz}" />