/*
* Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.tools.doclets.formats.html;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import com.sun.javadoc.*;
import com.sun.tools.doclets.formats.html.markup.*;
import com.sun.tools.doclets.internal.toolkit.*;
import com.sun.tools.doclets.internal.toolkit.util.*;
/**
* Generate class usage information.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*
* @author Robert G. Field
* @author Bhavesh Patel (Modified)
*/
@Deprecated
public class ClassUseWriter extends SubWriterHolderWriter {
final ClassDoc classdoc;
Set<PackageDoc> pkgToPackageAnnotations = null;
final Map<String,List<ProgramElementDoc>> pkgToClassTypeParameter;
final Map<String,List<ProgramElementDoc>> pkgToClassAnnotations;
final Map<String,List<ProgramElementDoc>> pkgToMethodTypeParameter;
final Map<String,List<ProgramElementDoc>> pkgToMethodArgTypeParameter;
final Map<String,List<ProgramElementDoc>> pkgToMethodReturnTypeParameter;
final Map<String,List<ProgramElementDoc>> pkgToMethodAnnotations;
final Map<String,List<ProgramElementDoc>> pkgToMethodParameterAnnotations;
final Map<String,List<ProgramElementDoc>> pkgToFieldTypeParameter;
final Map<String,List<ProgramElementDoc>> pkgToFieldAnnotations;
final Map<String,List<ProgramElementDoc>> pkgToSubclass;
final Map<String,List<ProgramElementDoc>> pkgToSubinterface;
final Map<String,List<ProgramElementDoc>> pkgToImplementingClass;
final Map<String,List<ProgramElementDoc>> pkgToField;
final Map<String,List<ProgramElementDoc>> pkgToMethodReturn;
final Map<String,List<ProgramElementDoc>> pkgToMethodArgs;
final Map<String,List<ProgramElementDoc>> pkgToMethodThrows;
final Map<String,List<ProgramElementDoc>> pkgToConstructorAnnotations;
final Map<String,List<ProgramElementDoc>> pkgToConstructorParameterAnnotations;
final Map<String,List<ProgramElementDoc>> pkgToConstructorArgs;
final Map<String,List<ProgramElementDoc>> pkgToConstructorArgTypeParameter;
final Map<String,List<ProgramElementDoc>> pkgToConstructorThrows;
final SortedSet<PackageDoc> pkgSet;
final MethodWriterImpl methodSubWriter;
final ConstructorWriterImpl constrSubWriter;
final FieldWriterImpl fieldSubWriter;
final NestedClassWriterImpl classSubWriter;
// Summary for various use tables.
final String classUseTableSummary;
final String subclassUseTableSummary;
final String subinterfaceUseTableSummary;
final String fieldUseTableSummary;
final String methodUseTableSummary;
final String constructorUseTableSummary;
/**
* The HTML tree for main tag.
*/
protected HtmlTree mainTree = HtmlTree.MAIN();
/**
* Constructor.
*
* @param filename the file to be generated.
* @throws IOException
* @throws DocletAbortException
*/
public ClassUseWriter(ConfigurationImpl configuration,
ClassUseMapper mapper, DocPath filename,
ClassDoc classdoc) throws IOException {
super(configuration, filename);
this.classdoc = classdoc;
if (mapper.classToPackageAnnotations.containsKey(classdoc.qualifiedName()))
pkgToPackageAnnotations = new TreeSet<>(mapper.classToPackageAnnotations.get(classdoc.qualifiedName()));
configuration.currentcd = classdoc;
this.pkgSet = new TreeSet<>();
this.pkgToClassTypeParameter = pkgDivide(mapper.classToClassTypeParam);
this.pkgToClassAnnotations = pkgDivide(mapper.classToClassAnnotations);
this.pkgToMethodTypeParameter = pkgDivide(mapper.classToExecMemberDocTypeParam);
this.pkgToMethodArgTypeParameter = pkgDivide(mapper.classToExecMemberDocArgTypeParam);
this.pkgToFieldTypeParameter = pkgDivide(mapper.classToFieldDocTypeParam);
this.pkgToFieldAnnotations = pkgDivide(mapper.annotationToFieldDoc);
this.pkgToMethodReturnTypeParameter = pkgDivide(mapper.classToExecMemberDocReturnTypeParam);
this.pkgToMethodAnnotations = pkgDivide(mapper.classToExecMemberDocAnnotations);
this.pkgToMethodParameterAnnotations = pkgDivide(mapper.classToExecMemberDocParamAnnotation);
this.pkgToSubclass = pkgDivide(mapper.classToSubclass);
this.pkgToSubinterface = pkgDivide(mapper.classToSubinterface);
this.pkgToImplementingClass = pkgDivide(mapper.classToImplementingClass);
this.pkgToField = pkgDivide(mapper.classToField);
this.pkgToMethodReturn = pkgDivide(mapper.classToMethodReturn);
this.pkgToMethodArgs = pkgDivide(mapper.classToMethodArgs);
this.pkgToMethodThrows = pkgDivide(mapper.classToMethodThrows);
this.pkgToConstructorAnnotations = pkgDivide(mapper.classToConstructorAnnotations);
this.pkgToConstructorParameterAnnotations = pkgDivide(mapper.classToConstructorParamAnnotation);
this.pkgToConstructorArgs = pkgDivide(mapper.classToConstructorArgs);
this.pkgToConstructorArgTypeParameter = pkgDivide(mapper.classToConstructorDocArgTypeParam);
this.pkgToConstructorThrows = pkgDivide(mapper.classToConstructorThrows);
//tmp test
if (pkgSet.size() > 0 &&
mapper.classToPackage.containsKey(classdoc.qualifiedName()) &&
!pkgSet.equals(mapper.classToPackage.get(classdoc.qualifiedName()))) {
configuration.root.printWarning("Internal error: package sets don't match: " + pkgSet + " with: " +
mapper.classToPackage.get(classdoc.qualifiedName()));
}
methodSubWriter = new MethodWriterImpl(this);
constrSubWriter = new ConstructorWriterImpl(this);
fieldSubWriter = new FieldWriterImpl(this);
classSubWriter = new NestedClassWriterImpl(this);
classUseTableSummary = configuration.getText("doclet.Use_Table_Summary",
configuration.getText("doclet.classes"));
subclassUseTableSummary = configuration.getText("doclet.Use_Table_Summary",
configuration.getText("doclet.subclasses"));
subinterfaceUseTableSummary = configuration.getText("doclet.Use_Table_Summary",
configuration.getText("doclet.subinterfaces"));
fieldUseTableSummary = configuration.getText("doclet.Use_Table_Summary",
configuration.getText("doclet.fields"));
methodUseTableSummary = configuration.getText("doclet.Use_Table_Summary",
configuration.getText("doclet.methods"));
constructorUseTableSummary = configuration.getText("doclet.Use_Table_Summary",
configuration.getText("doclet.constructors"));
}
/**
* Write out class use pages.
* @throws DocletAbortException
*/
public static void generate(ConfigurationImpl configuration,
ClassTree classtree) {
ClassUseMapper mapper = new ClassUseMapper(configuration, classtree);
for (ClassDoc aClass : configuration.root.classes()) {
// If -nodeprecated option is set and the containing package is marked
// as deprecated, do not generate the class-use page. We will still generate
// the class-use page if the class is marked as deprecated but the containing
// package is not since it could still be linked from that package-use page.
if (!(configuration.nodeprecated &&
configuration.utils.isDeprecated(aClass.containingPackage())))
ClassUseWriter.generate(configuration, mapper, aClass);
}
for (PackageDoc pkg : configuration.packages) {
// If -nodeprecated option is set and the package is marked
// as deprecated, do not generate the package-use page.
if (!(configuration.nodeprecated && configuration.utils.isDeprecated(pkg)))
PackageUseWriter.generate(configuration, mapper, pkg);
}
}
private Map<String,List<ProgramElementDoc>> pkgDivide(Map<String,? extends List<? extends ProgramElementDoc>> classMap) {
Map<String,List<ProgramElementDoc>> map = new HashMap<>();
List<? extends ProgramElementDoc> list= classMap.get(classdoc.qualifiedName());
if (list != null) {
Collections.sort(list, utils.makeComparatorForClassUse());
for (ProgramElementDoc doc : list) {
PackageDoc pkg = doc.containingPackage();
pkgSet.add(pkg);
List<ProgramElementDoc> inPkg = map.get(pkg.name());
if (inPkg == null) {
inPkg = new ArrayList<>();
map.put(pkg.name(), inPkg);
}
inPkg.add(doc);
}
}
return map;
}
/**
* Generate a class page.
*/
public static void generate(ConfigurationImpl configuration,
ClassUseMapper mapper, ClassDoc classdoc) {
ClassUseWriter clsgen;
DocPath path = DocPath.forPackage(classdoc)
.resolve(DocPaths.CLASS_USE)
.resolve(DocPath.forName(classdoc));
try {
clsgen = new ClassUseWriter(configuration,
mapper, path,
classdoc);
clsgen.generateClassUseFile();
clsgen.close();
} catch (IOException exc) {
configuration.standardmessage.
error("doclet.exception_encountered",
exc.toString(), path.getPath());
throw new DocletAbortException(exc);
}
}
/**
* Generate the class use list.
*/
protected void generateClassUseFile() throws IOException {
HtmlTree body = getClassUseHeader();
HtmlTree div = new HtmlTree(HtmlTag.DIV);
div.addStyle(HtmlStyle.classUseContainer);
if (pkgSet.size() > 0) {
addClassUse(div);
} else {
div.addContent(getResource("doclet.ClassUse_No.usage.of.0",
classdoc.qualifiedName()));
}
if (configuration.allowTag(HtmlTag.MAIN)) {
mainTree.addContent(div);
body.addContent(mainTree);
} else {
body.addContent(div);
}
HtmlTree htmlTree = (configuration.allowTag(HtmlTag.FOOTER))
? HtmlTree.FOOTER()
: body;
addNavLinks(false, htmlTree);
addBottom(htmlTree);
if (configuration.allowTag(HtmlTag.FOOTER)) {
body.addContent(htmlTree);
}
printHtmlDocument(null, true, body);
}
/**
* Add the class use documentation.
*
* @param contentTree the content tree to which the class use information will be added
*/
protected void addClassUse(Content contentTree) throws IOException {
HtmlTree ul = new HtmlTree(HtmlTag.UL);
ul.addStyle(HtmlStyle.blockList);
if (configuration.packages.size() > 1) {
addPackageList(ul);
addPackageAnnotationList(ul);
}
addClassList(ul);
contentTree.addContent(ul);
}
/**
* Add the packages list that use the given class.
*
* @param contentTree the content tree to which the packages list will be added
*/
protected void addPackageList(Content contentTree) throws IOException {
Content caption = getTableCaption(configuration.getResource(
"doclet.ClassUse_Packages.that.use.0",
getLink(new LinkInfoImpl(configuration, LinkInfoImpl.Kind.CLASS_USE_HEADER, classdoc))));
Content table = (configuration.isOutputHtml5())
? HtmlTree.TABLE(HtmlStyle.useSummary, caption)
: HtmlTree.TABLE(HtmlStyle.useSummary, useTableSummary, caption);
table.addContent(getSummaryTableHeader(packageTableHeader, "col"));
Content tbody = new HtmlTree(HtmlTag.TBODY);
Iterator<PackageDoc> it = pkgSet.iterator();
for (int i = 0; it.hasNext(); i++) {
PackageDoc pkg = it.next();
HtmlTree tr = new HtmlTree(HtmlTag.TR);
if (i % 2 == 0) {
tr.addStyle(HtmlStyle.altColor);
} else {
tr.addStyle(HtmlStyle.rowColor);
}
addPackageUse(pkg, tr);
tbody.addContent(tr);
}
table.addContent(tbody);
Content li = HtmlTree.LI(HtmlStyle.blockList, table);
contentTree.addContent(li);
}
/**
* Add the package annotation list.
*
* @param contentTree the content tree to which the package annotation list will be added
*/
protected void addPackageAnnotationList(Content contentTree) throws IOException {
if ((!classdoc.isAnnotationType()) ||
pkgToPackageAnnotations == null ||
pkgToPackageAnnotations.isEmpty()) {
return;
}
Content caption = getTableCaption(configuration.getResource(
"doclet.ClassUse_PackageAnnotation",
getLink(new LinkInfoImpl(configuration,
LinkInfoImpl.Kind.CLASS_USE_HEADER, classdoc))));
Content table = (configuration.isOutputHtml5())
? HtmlTree.TABLE(HtmlStyle.useSummary, caption)
: HtmlTree.TABLE(HtmlStyle.useSummary, useTableSummary, caption);
table.addContent(getSummaryTableHeader(packageTableHeader, "col"));
Content tbody = new HtmlTree(HtmlTag.TBODY);
Iterator<PackageDoc> it = pkgToPackageAnnotations.iterator();
for (int i = 0; it.hasNext(); i++) {
PackageDoc pkg = it.next();
HtmlTree tr = new HtmlTree(HtmlTag.TR);
if (i % 2 == 0) {
tr.addStyle(HtmlStyle.altColor);
} else {
tr.addStyle(HtmlStyle.rowColor);
}
Content tdFirst = HtmlTree.TD(HtmlStyle.colFirst,
getPackageLink(pkg, new StringContent(pkg.name())));
tr.addContent(tdFirst);
HtmlTree tdLast = new HtmlTree(HtmlTag.TD);
tdLast.addStyle(HtmlStyle.colLast);
addSummaryComment(pkg, tdLast);
tr.addContent(tdLast);
tbody.addContent(tr);
}
table.addContent(tbody);
Content li = HtmlTree.LI(HtmlStyle.blockList, table);
contentTree.addContent(li);
}
/**
* Add the class list that use the given class.
*
* @param contentTree the content tree to which the class list will be added
*/
protected void addClassList(Content contentTree) throws IOException {
HtmlTree ul = new HtmlTree(HtmlTag.UL);
ul.addStyle(HtmlStyle.blockList);
for (PackageDoc pkg : pkgSet) {
Content markerAnchor = getMarkerAnchor(getPackageAnchorName(pkg));
HtmlTree htmlTree = (configuration.allowTag(HtmlTag.SECTION))
? HtmlTree.SECTION(markerAnchor)
: HtmlTree.LI(HtmlStyle.blockList, markerAnchor);
Content link = getResource("doclet.ClassUse_Uses.of.0.in.1",
getLink(new LinkInfoImpl(configuration, LinkInfoImpl.Kind.CLASS_USE_HEADER,
classdoc)),
getPackageLink(pkg, utils.getPackageName(pkg)));
Content heading = HtmlTree.HEADING(HtmlConstants.SUMMARY_HEADING, link);
htmlTree.addContent(heading);
addClassUse(pkg, htmlTree);
if (configuration.allowTag(HtmlTag.SECTION)) {
ul.addContent(HtmlTree.LI(HtmlStyle.blockList, htmlTree));
} else {
ul.addContent(htmlTree);
}
}
Content li = HtmlTree.LI(HtmlStyle.blockList, ul);
contentTree.addContent(li);
}
/**
* Add the package use information.
*
* @param pkg the package that uses the given class
* @param contentTree the content tree to which the package use information will be added
*/
protected void addPackageUse(PackageDoc pkg, Content contentTree) throws IOException {
Content tdFirst = HtmlTree.TD(HtmlStyle.colFirst,
getHyperLink(getPackageAnchorName(pkg), new StringContent(utils.getPackageName(pkg))));
contentTree.addContent(tdFirst);
HtmlTree tdLast = new HtmlTree(HtmlTag.TD);
tdLast.addStyle(HtmlStyle.colLast);
addSummaryComment(pkg, tdLast);
contentTree.addContent(tdLast);
}
/**
* Add the class use information.
*
* @param pkg the package that uses the given class
* @param contentTree the content tree to which the class use information will be added
*/
protected void addClassUse(PackageDoc pkg, Content contentTree) throws IOException {
Content classLink = getLink(new LinkInfoImpl(configuration,
LinkInfoImpl.Kind.CLASS_USE_HEADER, classdoc));
Content pkgLink = getPackageLink(pkg, utils.getPackageName(pkg));
classSubWriter.addUseInfo(pkgToClassAnnotations.get(pkg.name()),
configuration.getResource("doclet.ClassUse_Annotation", classLink,
pkgLink), classUseTableSummary, contentTree);
classSubWriter.addUseInfo(pkgToClassTypeParameter.get(pkg.name()),
configuration.getResource("doclet.ClassUse_TypeParameter", classLink,
pkgLink), classUseTableSummary, contentTree);
classSubWriter.addUseInfo(pkgToSubclass.get(pkg.name()),
configuration.getResource("doclet.ClassUse_Subclass", classLink,
pkgLink), subclassUseTableSummary, contentTree);
classSubWriter.addUseInfo(pkgToSubinterface.get(pkg.name()),
configuration.getResource("doclet.ClassUse_Subinterface", classLink,
pkgLink), subinterfaceUseTableSummary, contentTree);
classSubWriter.addUseInfo(pkgToImplementingClass.get(pkg.name()),
configuration.getResource("doclet.ClassUse_ImplementingClass", classLink,
pkgLink), classUseTableSummary, contentTree);
fieldSubWriter.addUseInfo(pkgToField.get(pkg.name()),
configuration.getResource("doclet.ClassUse_Field", classLink,
pkgLink), fieldUseTableSummary, contentTree);
fieldSubWriter.addUseInfo(pkgToFieldAnnotations.get(pkg.name()),
configuration.getResource("doclet.ClassUse_FieldAnnotations", classLink,
pkgLink), fieldUseTableSummary, contentTree);
fieldSubWriter.addUseInfo(pkgToFieldTypeParameter.get(pkg.name()),
configuration.getResource("doclet.ClassUse_FieldTypeParameter", classLink,
pkgLink), fieldUseTableSummary, contentTree);
methodSubWriter.addUseInfo(pkgToMethodAnnotations.get(pkg.name()),
configuration.getResource("doclet.ClassUse_MethodAnnotations", classLink,
pkgLink), methodUseTableSummary, contentTree);
methodSubWriter.addUseInfo(pkgToMethodParameterAnnotations.get(pkg.name()),
configuration.getResource("doclet.ClassUse_MethodParameterAnnotations", classLink,
pkgLink), methodUseTableSummary, contentTree);
methodSubWriter.addUseInfo(pkgToMethodTypeParameter.get(pkg.name()),
configuration.getResource("doclet.ClassUse_MethodTypeParameter", classLink,
pkgLink), methodUseTableSummary, contentTree);
methodSubWriter.addUseInfo(pkgToMethodReturn.get(pkg.name()),
configuration.getResource("doclet.ClassUse_MethodReturn", classLink,
pkgLink), methodUseTableSummary, contentTree);
methodSubWriter.addUseInfo(pkgToMethodReturnTypeParameter.get(pkg.name()),
configuration.getResource("doclet.ClassUse_MethodReturnTypeParameter", classLink,
pkgLink), methodUseTableSummary, contentTree);
methodSubWriter.addUseInfo(pkgToMethodArgs.get(pkg.name()),
configuration.getResource("doclet.ClassUse_MethodArgs", classLink,
pkgLink), methodUseTableSummary, contentTree);
methodSubWriter.addUseInfo(pkgToMethodArgTypeParameter.get(pkg.name()),
configuration.getResource("doclet.ClassUse_MethodArgsTypeParameters", classLink,
pkgLink), methodUseTableSummary, contentTree);
methodSubWriter.addUseInfo(pkgToMethodThrows.get(pkg.name()),
configuration.getResource("doclet.ClassUse_MethodThrows", classLink,
pkgLink), methodUseTableSummary, contentTree);
constrSubWriter.addUseInfo(pkgToConstructorAnnotations.get(pkg.name()),
configuration.getResource("doclet.ClassUse_ConstructorAnnotations", classLink,
pkgLink), constructorUseTableSummary, contentTree);
constrSubWriter.addUseInfo(pkgToConstructorParameterAnnotations.get(pkg.name()),
configuration.getResource("doclet.ClassUse_ConstructorParameterAnnotations", classLink,
pkgLink), constructorUseTableSummary, contentTree);
constrSubWriter.addUseInfo(pkgToConstructorArgs.get(pkg.name()),
configuration.getResource("doclet.ClassUse_ConstructorArgs", classLink,
pkgLink), constructorUseTableSummary, contentTree);
constrSubWriter.addUseInfo(pkgToConstructorArgTypeParameter.get(pkg.name()),
configuration.getResource("doclet.ClassUse_ConstructorArgsTypeParameters", classLink,
pkgLink), constructorUseTableSummary, contentTree);
constrSubWriter.addUseInfo(pkgToConstructorThrows.get(pkg.name()),
configuration.getResource("doclet.ClassUse_ConstructorThrows", classLink,
pkgLink), constructorUseTableSummary, contentTree);
}
/**
* Get the header for the class use Listing.
*
* @return a content tree representing the class use header
*/
protected HtmlTree getClassUseHeader() {
String cltype = configuration.getText(classdoc.isInterface()?
"doclet.Interface":"doclet.Class");
String clname = classdoc.qualifiedName();
String title = configuration.getText("doclet.Window_ClassUse_Header",
cltype, clname);
HtmlTree bodyTree = getBody(true, getWindowTitle(title));
HtmlTree htmlTree = (configuration.allowTag(HtmlTag.HEADER))
? HtmlTree.HEADER()
: bodyTree;
addTop(htmlTree);
addNavLinks(true, htmlTree);
if (configuration.allowTag(HtmlTag.HEADER)) {
bodyTree.addContent(htmlTree);
}
ContentBuilder headContent = new ContentBuilder();
headContent.addContent(getResource("doclet.ClassUse_Title", cltype));
headContent.addContent(new HtmlTree(HtmlTag.BR));
headContent.addContent(clname);
Content heading = HtmlTree.HEADING(HtmlConstants.CLASS_PAGE_HEADING,
true, HtmlStyle.title, headContent);
Content div = HtmlTree.DIV(HtmlStyle.header, heading);
if (configuration.allowTag(HtmlTag.MAIN)) {
mainTree.addContent(div);
} else {
bodyTree.addContent(div);
}
return bodyTree;
}
/**
* Get this package link.
*
* @return a content tree for the package link
*/
protected Content getNavLinkPackage() {
Content linkContent =
getHyperLink(DocPath.parent.resolve(DocPaths.PACKAGE_SUMMARY), packageLabel);
Content li = HtmlTree.LI(linkContent);
return li;
}
/**
* Get class page link.
*
* @return a content tree for the class page link
*/
protected Content getNavLinkClass() {
Content linkContent = getLink(new LinkInfoImpl(
configuration, LinkInfoImpl.Kind.CLASS_USE_HEADER, classdoc)
.label(configuration.getText("doclet.Class")));
Content li = HtmlTree.LI(linkContent);
return li;
}
/**
* Get the use link.
*
* @return a content tree for the use link
*/
protected Content getNavLinkClassUse() {
Content li = HtmlTree.LI(HtmlStyle.navBarCell1Rev, useLabel);
return li;
}
/**
* Get the tree link.
*
* @return a content tree for the tree link
*/
protected Content getNavLinkTree() {
Content linkContent = classdoc.containingPackage().isIncluded() ?
getHyperLink(DocPath.parent.resolve(DocPaths.PACKAGE_TREE), treeLabel) :
getHyperLink(pathToRoot.resolve(DocPaths.OVERVIEW_TREE), treeLabel);
Content li = HtmlTree.LI(linkContent);
return li;
}
}