Fully qualified name to ICompilationUnit

gistfile1.java

/* Uses the fully qualified type name to search the Eclipse Workspace
 * to find the type's ICompilationUnit
 */
public class FindICompilationUnit {
   public ICompilationUnit unitLookup(String name){ 
      ICompilationUnit unit = null;
      SearchPattern sp = SearchPattern.createPattern(name, IJavaSearchConstants.TYPE, IJavaSearchConstants.DECLARATIONS, SearchPattern.R_FULL_MATCH);
   
      SearchEngine se = new SearchEngine();
      UnitRequestor ur = new UnitRequestor();
      SearchParticipant[] part =  {SearchEngine.getDefaultSearchParticipant()};

      try {
         se.search(sp, part, SearchEngine.createWorkspaceScope(), ur, new NullProgressMonitor());
      } catch (CoreException e) {
         e.printStackTrace();
      }

      if(ur.getIJavaElement() != null)
         return (ICompilationUnit) ur.getIJavaElement().getAncestor(IJavaElement.COMPILATION_UNIT);
      else
         return null;

   }
	
   class UnitRequestor extends SearchRequestor {
      IJavaElement ije = null;
      public void acceptSearchMatch(SearchMatch match) throws CoreException {
         if (match instanceof TypeDeclarationMatch) {
            if(match.getElement() instanceof IJavaElement) 
               ije = (IJavaElement)((TypeDeclarationMatch)match).getElement();
         }
      }
		 
      public IJavaElement getIJavaElement(){
         return ije;
      }
   }

}