protected void deserialize(OMElement documentElement) {
   String fragmentHostAttribute = getAttribute(documentElement, "fragment-host");
   setFragmentHost(fragmentHostAttribute);
   List<OMElement> childElements = getChildElements(documentElement, "jar");
   for (OMElement element : childElements) {
     String jarName = getAttribute(element, "name");
     List<String> packages = new ArrayList<String>();
     List<OMElement> exportPackagesElements = getChildElements(element, "export-packages");
     for (OMElement exportPackages : exportPackagesElements) {
       List<OMElement> exportPackageElements = getChildElements(exportPackages, "export-package");
       for (OMElement packageElement : exportPackageElements) {
         packages.add(packageElement.getText());
       }
     }
     getExportedPackageListsFromJar().put(jarName, packages);
   }
   childElements = getChildElements(documentElement, "project");
   for (OMElement element : childElements) {
     String projectName = getAttribute(element, "name");
     List<String> packages = new ArrayList<String>();
     List<OMElement> exportPackagesElements = getChildElements(element, "export-packages");
     for (OMElement exportPackages : exportPackagesElements) {
       List<OMElement> exportPackageElements = getChildElements(exportPackages, "export-package");
       for (OMElement packageElement : exportPackageElements) {
         packages.add(packageElement.getText());
       }
     }
     IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
     if (project != null) {
       getExportedPackageListsFromProject().put(project, packages);
     }
   }
 }