plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>

   <extension point="org.eclipse.ui.startup">
     <startup class="br.com.facilit.eclipse.ext.rclass.actions.StartupAction"/>
   </extension>
   
   <extension point="org.eclipse.ui.actionSets">
         
      <actionSet
            label="Generate R Class"
            visible="true"
            id="RClass.actionSet">
         <menu
               label="Generate &amp;RClass"
               id="generateRClasseMenu">
            <separator
                  name="generateRClassGroup">
            </separator>
         </menu>
         <menu id="org.eclipse.jdt.ui.refactoring.menu" label="Refactor" path="additions">
			<separator name="undoRedoGroup"/>
			<separator name="reorgGroup"/>
			<separator name="typeGroup"/>
			<separator name="codingGroup"/>
			<separator name="myGroup"/>
		</menu>
         <action
               label="&amp;Generate RClass"
               icon="icons/sample.gif"
               class="br.com.facilit.eclipse.ext.rclass.actions.GenerateRClassWorkspaceAction"
               tooltip="Generate all R classes"
               menubarPath="org.eclipse.jdt.ui.refactoring.menu/generateRClassGroup"
               toolbarPath="run"
               id="br.com.facilit.eclipse.ext.rclass.actions.GenerateRClassWorkspaceAction">
         </action>
      </actionSet>
   </extension>
    
   <extension point="org.eclipse.ui.menus">
    <menuContribution locationURI="popup:org.eclipse.jdt.ui.PackageExplorer">
      <command commandId="br.com.facilit.eclipse.ext.rclass.actions.GenerateRClassProjectAction"
        label="Generate R Class" style="push">
      </command>
    </menuContribution>
  </extension>
  <extension point="org.eclipse.ui.commands">
    <command defaultHandler="br.com.facilit.eclipse.ext.rclass.actions.GenerateRClassProjectAction"
      id="br.com.facilit.eclipse.ext.rclass.actions.GenerateRClassProjectAction" name="Convert">
    </command>
  </extension>
  
 <extension id="rclassBuilder" name="R Class Builder" point="org.eclipse.core.resources.builders">
     
      <builder>
         <run class="br.com.facilit.eclipse.ext.rclass.actions.GenerateRClassWorkspaceBuilder">
         </run>
      </builder>
 </extension>
   
   <extension point="org.eclipse.ui.preferencePages">
   	<page id="RClassPreferencesPage"
 		name="R Class"
    		class="br.com.facilit.eclipse.ext.rclass.ui.RClassPreferencePage">
   	</page>
   </extension>
</plugin>