minor: remove unnecessary casts

Author: Bananeweizen

net.sf.eclipsecs.ui/src/net/sf/eclipsecs/ui/quickfixes/FixCheckstyleMarkersAction.java

@@ -77,8 +77,7 @@ public void run(IAction action) {
 
     Object element = selection.getFirstElement();
 
-    @SuppressWarnings("cast")
-    IFile file = (IFile) ((IAdaptable) element).getAdapter(IFile.class);
+    IFile file = ((IAdaptable) element).getAdapter(IFile.class);
     if (file != null) {
 
       // call the fixing job

net.sf.eclipsecs.ui/src/net/sf/eclipsecs/ui/stats/views/AbstractStatsView.java

@@ -220,8 +220,7 @@ protected final Stats getStats() {
    */
   protected final void refresh() {
 
-    @SuppressWarnings("cast")
-    final IWorkbenchSiteProgressService service = (IWorkbenchSiteProgressService) getSite()
+    final IWorkbenchSiteProgressService service = getSite()
             .getAdapter(IWorkbenchSiteProgressService.class);
 
     // rebuild statistics data
@@ -336,13 +335,12 @@ private void focusSelectionChanged(IWorkbenchPart part, ISelection selection) {
     }
   }
 
-  @SuppressWarnings("cast")
   private void considerAdaptable(IAdaptable adaptable, Collection<IResource> resources) {
 
-    IResource resource = (IResource) adaptable.getAdapter(IResource.class);
+    IResource resource = adaptable.getAdapter(IResource.class);
 
     if (resource == null) {
-      resource = (IResource) adaptable.getAdapter(IFile.class);
+      resource = adaptable.getAdapter(IFile.class);
     }
 
     if (resource != null) {

net.sf.eclipsecs.ui/src/net/sf/eclipsecs/ui/stats/views/internal/CheckstyleMarkerFilter.java

@@ -484,7 +484,7 @@ private List<IMarker> findCheckstyleMarkers(IResource[] resources, int depth, IP
         resultList.addAll(markers);
       }
     }
-    
+
     if (!mEnabled) {
       return resultList;
     }
@@ -607,8 +607,7 @@ private static IResource[] getResourcesInWorkingSet(IWorkingSet workingSet) {
     List<IResource> result = new ArrayList<>(elements.length);
 
     for (int idx = 0; idx < elements.length; idx++) {
-      @SuppressWarnings("cast")
-      IResource next = (IResource) elements[idx].getAdapter(IResource.class);
+      IResource next = elements[idx].getAdapter(IResource.class);
 
       if (next != null) {
         result.add(next);