use structured form submission.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@5943 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/tasks/BatchFile.java

 package hudson.tasks;
 
 import hudson.FilePath;
-import hudson.Launcher;
-import hudson.Util;
-import hudson.model.Build;
-import hudson.model.BuildListener;
 import hudson.model.Descriptor;
-import hudson.model.Project;
+import net.sf.json.JSONObject;
 import org.kohsuke.stapler.StaplerRequest;
 
-import java.io.IOException;
-
 /**
  * Executes commands by using Windows batch file.
  *
@@ -52,8 +46,8 @@ public class BatchFile extends CommandInterpreter {
             return "Execute Windows batch command";
         }
 
-        public Builder newInstance(StaplerRequest req) {
-            return new BatchFile(req.getParameter("batchFile"));
+        public Builder newInstance(StaplerRequest req, JSONObject data) {
+            return new BatchFile(data.getString("batchFile"));
         }
     }
 }

core/src/main/java/hudson/tasks/Shell.java

@@ -7,6 +7,8 @@ import org.kohsuke.stapler.StaplerRequest;
 
 import java.util.Map;
 
+import net.sf.json.JSONObject;
+
 /**
  * Executes a series of commands by using a shell.
  *
@@ -92,8 +94,8 @@ public class Shell extends CommandInterpreter {
             return "Execute shell";
         }
 
-        public Builder newInstance(StaplerRequest req) {
-            return new Shell(req.getParameter("shell"));
+        public Builder newInstance(StaplerRequest req, JSONObject data) {
+            return new Shell(data.getString("shell"));
         }
 
         public boolean configure( StaplerRequest req ) {