added preliminary schema generation support.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@3462 71c3de6d-444a-0410-be80-ed276b4c234a

core/pom.xml

@@ -119,7 +119,7 @@
     <dependency>
       <groupId>org.kohsuke.stapler</groupId>
       <artifactId>stapler</artifactId>
-      <version>1.32</version>
+      <version>1.33</version>
     </dependency>
     <dependency>
       <groupId>org.kohsuke</groupId>
@@ -252,5 +252,10 @@
       <artifactId>commons-logging</artifactId>
       <version>1.1</version>
     </dependency>
+    <dependency>
+      <groupId>com.sun.xml.txw2</groupId>
+      <artifactId>txw2</artifactId>
+      <version>20070616</version>
+    </dependency>
   </dependencies>
 </project>
\ No newline at end of file

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

@@ -4,8 +4,11 @@ import org.kohsuke.stapler.StaplerRequest;
 import org.kohsuke.stapler.StaplerResponse;
 import org.kohsuke.stapler.export.Exported;
 import org.kohsuke.stapler.export.Flavor;
+import org.kohsuke.stapler.export.SchemaGenerator;
+import org.kohsuke.stapler.export.ModelBuilder;
 
 import javax.servlet.ServletException;
+import javax.xml.transform.stream.StreamResult;
 import java.io.IOException;
 
 /**
@@ -35,6 +38,16 @@ public class Api extends AbstractModelObject {
         rsp.serveExposedBean(req,bean, Flavor.XML);
     }
 
+    /**
+     * Generate schema.
+     */
+    public void doSchema(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
+        rsp.setContentType("application/xml");
+        StreamResult r = new StreamResult(rsp.getOutputStream());
+        new SchemaGenerator(new ModelBuilder().get(bean.getClass())).generateSchema(r);
+        r.getOutputStream().close();
+    }
+
     /**
      * Exposes the bean as JSON.
      */

core/src/main/resources/hudson/model/Api/index.jelly

@@ -13,6 +13,7 @@
         <dt><a href="xml">XML API</a></dt>
         <dd>
           Access data exposed in <a href="..">HTML</a> as XML for machine consumption.
+          <a href="schema">Schema</a> is also available.
         </dd>
 
         <dt><a href="json">JSON API</a></dt>