- sanitize geometry name when creating j3m file

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8583 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

jme3-materialeditor/src/com/jme3/gde/materials/MaterialPropertyEditor.java

@@ -109,11 +109,11 @@ public class MaterialPropertyEditor implements PropertyEditor, SceneExplorerProp
                 FileObject currentFolder = currentFile.getParent();
 
                 int i = 0;
-                String newFileName = currentFile.getName() + "-" + geom.getName();
+                String newFileName = currentFile.getName() + "-" + sanitizeFileName(geom.getName());
                 FileObject newFile = currentFolder.getFileObject(newFileName, "j3m");
                 while (newFile != null) {
                     i++;
-                    newFileName = currentFile.getName() + "-" + geom.getName() + "-" + i;
+                    newFileName = currentFile.getName() + "-" + sanitizeFileName(geom.getName()) + "-" + i;
                     newFile = currentFolder.getFileObject(newFileName, "j3m");
                 }
                 newFile = currentFolder.createData(newFileName, "j3m");
@@ -131,6 +131,10 @@ public class MaterialPropertyEditor implements PropertyEditor, SceneExplorerProp
             applyMaterial(text);
         }
     }
+    
+    private String sanitizeFileName(String input){
+        return input.replaceAll("[^A-Za-z0-9 ]", "_");
+    }
 
     private void applyMaterial(final String text) {
         try {