com.sun.tools.oldlets.internal.toolkit.builders.ConstantsSummaryBuilder Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.tools.oldlets.internal.toolkit.builders;
import com.sun.javadoc.ClassDoc;
import com.sun.javadoc.PackageDoc;
import com.sun.javadoc.ProgramElementDoc;
import com.sun.javadoc.FieldDoc;
import java.io.*;
import java.util.*;
import com.sun.tools.oldlets.internal.toolkit.*;
import com.sun.tools.oldlets.internal.toolkit.util.*;
/**
* Builds the Constants Summary Page.
*
* 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.
*
* @author Jamie Ho
* @author Bhavesh Patel (Modified)
* @since 1.5
*/
public class ConstantsSummaryBuilder extends AbstractBuilder {
/**
* The root element of the constant summary XML is {@value}.
*/
public static final String ROOT = "ConstantSummary";
/**
* The maximum number of package directories shown in the constant
* value index.
*/
public static final int MAX_CONSTANT_VALUE_INDEX_LENGTH = 2;
/**
* The writer used to write the results.
*/
protected final ConstantsSummaryWriter writer;
/**
* The set of ClassDocs that have constant fields.
*/
protected final Set classDocsWithConstFields;
/**
* The set of printed package headers.
*/
protected Set printedPackageHeaders;
/**
* The current package being documented.
*/
private PackageDoc currentPackage;
/**
* The current class being documented.
*/
private ClassDoc currentClass;
/**
* The content tree for the constant summary documentation.
*/
private Content contentTree;
/**
* Construct a new ConstantsSummaryBuilder.
*
* @param context the build context.
* @param writer the writer for the summary.
*/
private ConstantsSummaryBuilder(Context context,
ConstantsSummaryWriter writer) {
super(context);
this.writer = writer;
this.classDocsWithConstFields = new HashSet();
}
/**
* Construct a ConstantsSummaryBuilder.
*
* @param context the build context.
* @param writer the writer for the summary.
*/
public static ConstantsSummaryBuilder getInstance(Context context,
ConstantsSummaryWriter writer) {
return new ConstantsSummaryBuilder(context, writer);
}
/**
* {@inheritDoc}
*/
public void build() throws IOException {
if (writer == null) {
//Doclet does not support this output.
return;
}
build(layoutParser.parseXML(ROOT), contentTree);
}
/**
* {@inheritDoc}
*/
public String getName() {
return ROOT;
}
/**
* Build the constant summary.
*
* @param node the XML element that specifies which components to document
* @param contentTree the content tree to which the documentation will be added
*/
public void buildConstantSummary(XMLNode node, Content contentTree) throws Exception {
contentTree = writer.getHeader();
buildChildren(node, contentTree);
writer.addFooter(contentTree);
writer.printDocument(contentTree);
writer.close();
}
/**
* Build the list of packages.
*
* @param node the XML element that specifies which components to document
* @param contentTree the content tree to which the content list will be added
*/
public void buildContents(XMLNode node, Content contentTree) {
Content contentListTree = writer.getContentsHeader();
PackageDoc[] packages = configuration.packages;
printedPackageHeaders = new HashSet();
for (int i = 0; i < packages.length; i++) {
if (hasConstantField(packages[i]) && ! hasPrintedPackageIndex(packages[i].name())) {
writer.addLinkToPackageContent(packages[i],
parsePackageName(packages[i].name()),
printedPackageHeaders, contentListTree);
}
}
contentTree.addContent(writer.getContentsList(contentListTree));
}
/**
* Build the summary for each documented package.
*
* @param node the XML element that specifies which components to document
* @param contentTree the tree to which the summaries will be added
*/
public void buildConstantSummaries(XMLNode node, Content contentTree) {
PackageDoc[] packages = configuration.packages;
printedPackageHeaders = new HashSet();
Content summariesTree = writer.getConstantSummaries();
for (int i = 0; i < packages.length; i++) {
if (hasConstantField(packages[i])) {
currentPackage = packages[i];
//Build the documentation for the current package.
buildChildren(node, summariesTree);
}
}
contentTree.addContent(summariesTree);
}
/**
* Build the header for the given package.
*
* @param node the XML element that specifies which components to document
* @param summariesTree the tree to which the package header will be added
*/
public void buildPackageHeader(XMLNode node, Content summariesTree) {
String parsedPackageName = parsePackageName(currentPackage.name());
if (! printedPackageHeaders.contains(parsedPackageName)) {
writer.addPackageName(currentPackage,
parsePackageName(currentPackage.name()), summariesTree);
printedPackageHeaders.add(parsedPackageName);
}
}
/**
* Build the summary for the current class.
*
* @param node the XML element that specifies which components to document
* @param summariesTree the tree to which the class constant summary will be added
*/
public void buildClassConstantSummary(XMLNode node, Content summariesTree) {
ClassDoc[] classes = currentPackage.name().length() > 0 ?
currentPackage.allClasses() :
configuration.classDocCatalog.allClasses(
DocletConstants.DEFAULT_PACKAGE_NAME);
Arrays.sort(classes);
Content classConstantTree = writer.getClassConstantHeader();
for (int i = 0; i < classes.length; i++) {
if (! classDocsWithConstFields.contains(classes[i]) ||
! classes[i].isIncluded()) {
continue;
}
currentClass = classes[i];
//Build the documentation for the current class.
buildChildren(node, classConstantTree);
}
summariesTree.addContent(classConstantTree);
}
/**
* Build the summary of constant members in the class.
*
* @param node the XML element that specifies which components to document
* @param classConstantTree the tree to which the constant members table
* will be added
*/
public void buildConstantMembers(XMLNode node, Content classConstantTree) {
new ConstantFieldBuilder(currentClass).buildMembersSummary(node, classConstantTree);
}
/**
* Return true if the given package has constant fields to document.
*
* @param pkg the package being checked.
* @return true if the given package has constant fields to document.
*/
private boolean hasConstantField(PackageDoc pkg) {
ClassDoc[] classes;
if (pkg.name().length() > 0) {
classes = pkg.allClasses();
} else {
classes = configuration.classDocCatalog.allClasses(
DocletConstants.DEFAULT_PACKAGE_NAME);
}
boolean found = false;
for (int j = 0; j < classes.length; j++){
if (classes[j].isIncluded() && hasConstantField(classes[j])) {
found = true;
}
}
return found;
}
/**
* Return true if the given class has constant fields to document.
*
* @param classDoc the class being checked.
* @return true if the given package has constant fields to document.
*/
private boolean hasConstantField (ClassDoc classDoc) {
VisibleMemberMap visibleMemberMapFields = new VisibleMemberMap(classDoc,
VisibleMemberMap.FIELDS, configuration);
List fields = visibleMemberMapFields.getLeafClassMembers(configuration);
for (Iterator iter = fields.iterator(); iter.hasNext(); ) {
FieldDoc field = (FieldDoc) iter.next();
if (field.constantValueExpression() != null) {
classDocsWithConstFields.add(classDoc);
return true;
}
}
return false;
}
/**
* Return true if the given package name has been printed. Also
* return true if the root of this package has been printed.
*
* @param pkgname the name of the package to check.
*/
private boolean hasPrintedPackageIndex(String pkgname) {
String[] list = printedPackageHeaders.toArray(new String[] {});
for (int i = 0; i < list.length; i++) {
if (pkgname.startsWith(list[i])) {
return true;
}
}
return false;
}
/**
* Print the table of constants.
*
* @author Jamie Ho
* @since 1.4
*/
private class ConstantFieldBuilder {
/**
* The map used to get the visible variables.
*/
protected VisibleMemberMap visibleMemberMapFields = null;
/**
* The map used to get the visible variables.
*/
protected VisibleMemberMap visibleMemberMapEnumConst = null;
/**
* The classdoc that we are examining constants for.
*/
protected ClassDoc classdoc;
/**
* Construct a ConstantFieldSubWriter.
* @param classdoc the classdoc that we are examining constants for.
*/
public ConstantFieldBuilder(ClassDoc classdoc) {
this.classdoc = classdoc;
visibleMemberMapFields = new VisibleMemberMap(classdoc,
VisibleMemberMap.FIELDS, configuration);
visibleMemberMapEnumConst = new VisibleMemberMap(classdoc,
VisibleMemberMap.ENUM_CONSTANTS, configuration);
}
/**
* Builds the table of constants for a given class.
*
* @param node the XML element that specifies which components to document
* @param classConstantTree the tree to which the class constants table
* will be added
*/
protected void buildMembersSummary(XMLNode node, Content classConstantTree) {
List members = new ArrayList(members());
if (members.size() > 0) {
Collections.sort(members);
writer.addConstantMembers(classdoc, members, classConstantTree);
}
}
/**
* Return the list of visible constant fields for the given classdoc.
* @return the list of visible constant fields for the given classdoc.
*/
protected List members() {
List l = visibleMemberMapFields.getLeafClassMembers(configuration);
l.addAll(visibleMemberMapEnumConst.getLeafClassMembers(configuration));
Iterator iter;
if(l != null){
iter = l.iterator();
} else {
return null;
}
List inclList = new LinkedList();
FieldDoc member;
while(iter.hasNext()){
member = (FieldDoc)iter.next();
if(member.constantValue() != null){
inclList.add(member);
}
}
return inclList;
}
}
/**
* Parse the package name. We only want to display package name up to
* 2 levels.
*/
private String parsePackageName(String pkgname) {
int index = -1;
for (int j = 0; j < MAX_CONSTANT_VALUE_INDEX_LENGTH; j++) {
index = pkgname.indexOf(".", index + 1);
}
if (index != -1) {
pkgname = pkgname.substring(0, index);
}
return pkgname;
}
}