update/org.eclipse.update.core/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- File written by PDE 1.0 -->
<plugin
   id="org.eclipse.update.core"
   name="%name"
   version="2.0.0"
   provider-name="%provider-name"
   class="org.eclipse.update.internal.core.UpdateManagerPlugin">
<requires>
   <import plugin="org.eclipse.core.runtime"/>
   <import plugin="org.apache.xerces"/>
   <import plugin="org.eclipse.core.boot"/>
</requires>

<runtime>
   <library name="updatecore.jar">
      <export name="*"/>
   </library>
</runtime>

<extension-point id="featureTypes" name="Install/Update Concrete Feature Type Implementation Factory"/>

<extension 	id="jar" point="org.eclipse.update.core.featureTypes">
	<feature-factory class="org.eclipse.update.internal.core.FeaturePackagedFactory"/>
</extension>

<extension 	id="exe" point="org.eclipse.update.core.featureTypes">
	<feature-factory class="org.eclipse.update.internal.core.FeatureExecutableFactory"/>
</extension>

<extension-point id="siteTypes" name="Install/Update Concrete Site Type Implementation Factory"/>

<extension 	id="http" point="org.eclipse.update.core.siteTypes">
	<site-factory class="org.eclipse.update.internal.core.SiteURLFactory"/>
</extension>

<extension 	id="file" point="org.eclipse.update.core.siteTypes">
	<site-factory class="org.eclipse.update.internal.core.SiteFileFactory"/>
</extension>

</plugin>