216                 pkgSet.add(pkg);
 217                 List<Element> inPkg = map.get(pkg);
 218                 if (inPkg == null) {
 219                     inPkg = new ArrayList<>();
 220                     map.put(pkg, inPkg);
 221                 }
 222                 inPkg.add(e);
 223             }
 224         }
 225         return map;
 226     }
 227 
 228     /**
 229      * Generate a class page.
 230      *
 231      * @throws DocFileIOException if there is a problem while generating the documentation
 232      */
 233     public static void generate(HtmlConfiguration configuration, ClassUseMapper mapper,
 234                                 TypeElement typeElement) throws DocFileIOException {
 235         ClassUseWriter clsgen;
 236         DocPath path = DocPath.forPackage(configuration.utils, typeElement)
 237                               .resolve(DocPaths.CLASS_USE)
 238                               .resolve(DocPath.forName(configuration.utils, typeElement));
 239         clsgen = new ClassUseWriter(configuration, mapper, path, typeElement);
 240         clsgen.generateClassUseFile();
 241     }
 242 
 243     /**
 244      * Generate the class use elements.
 245      *
 246      * @throws DocFileIOException if there is a problem while generating the documentation
 247      */
 248     protected void generateClassUseFile() throws DocFileIOException {
 249         HtmlTree body = getClassUseHeader();
 250         HtmlTree div = new HtmlTree(HtmlTag.DIV);
 251         div.setStyle(HtmlStyle.classUseContainer);
 252         if (pkgSet.size() > 0) {
 253             addClassUse(div);
 254         } else {
 255             div.addContent(contents.getContent("doclet.ClassUse_No.usage.of.0",
 256                     utils.getFullyQualifiedName(typeElement)));
 257         }
 258         if (configuration.allowTag(HtmlTag.MAIN)) {

 216                 pkgSet.add(pkg);
 217                 List<Element> inPkg = map.get(pkg);
 218                 if (inPkg == null) {
 219                     inPkg = new ArrayList<>();
 220                     map.put(pkg, inPkg);
 221                 }
 222                 inPkg.add(e);
 223             }
 224         }
 225         return map;
 226     }
 227 
 228     /**
 229      * Generate a class page.
 230      *
 231      * @throws DocFileIOException if there is a problem while generating the documentation
 232      */
 233     public static void generate(HtmlConfiguration configuration, ClassUseMapper mapper,
 234                                 TypeElement typeElement) throws DocFileIOException {
 235         ClassUseWriter clsgen;
 236         DocPath path = configuration.docPaths.forPackage(typeElement)
 237                               .resolve(DocPaths.CLASS_USE)
 238                               .resolve(configuration.docPaths.forName( typeElement));
 239         clsgen = new ClassUseWriter(configuration, mapper, path, typeElement);
 240         clsgen.generateClassUseFile();
 241     }
 242 
 243     /**
 244      * Generate the class use elements.
 245      *
 246      * @throws DocFileIOException if there is a problem while generating the documentation
 247      */
 248     protected void generateClassUseFile() throws DocFileIOException {
 249         HtmlTree body = getClassUseHeader();
 250         HtmlTree div = new HtmlTree(HtmlTag.DIV);
 251         div.setStyle(HtmlStyle.classUseContainer);
 252         if (pkgSet.size() > 0) {
 253             addClassUse(div);
 254         } else {
 255             div.addContent(contents.getContent("doclet.ClassUse_No.usage.of.0",
 256                     utils.getFullyQualifiedName(typeElement)));
 257         }
 258         if (configuration.allowTag(HtmlTag.MAIN)) {