Java example source code file (SerializedFormBuilder.java)
The SerializedFormBuilder.java Java example source code/*
* Copyright (c) 2003, 2013, 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.internal.toolkit.builders;
import java.io.*;
import java.util.*;
import com.sun.javadoc.*;
import com.sun.tools.doclets.internal.toolkit.*;
import com.sun.tools.doclets.internal.toolkit.util.*;
/**
* Builds the serialized form.
*
* <p>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 Jamie Ho
* @author Bhavesh Patel (Modified)
* @since 1.5
*/
public class SerializedFormBuilder extends AbstractBuilder {
/**
* The root element of the serialized form XML is {@value}.
*/
public static final String NAME = "SerializedForm";
/**
* The writer for this builder.
*/
private SerializedFormWriter writer;
/**
* The writer for serializable fields.
*/
private SerializedFormWriter.SerialFieldWriter fieldWriter;
/**
* The writer for serializable method documentation.
*/
private SerializedFormWriter.SerialMethodWriter methodWriter;
/**
* The header for the serial version UID. Save the string
* here instead of the properties file because we do not want
* this string to be localized.
*/
private static final String SERIAL_VERSION_UID_HEADER = "serialVersionUID:";
/**
* The current package being documented.
*/
private PackageDoc currentPackage;
/**
* The current class being documented.
*/
private ClassDoc currentClass;
/**
* The current member being documented.
*/
protected MemberDoc currentMember;
/**
* The content that will be added to the serialized form documentation tree.
*/
private Content contentTree;
/**
* Construct a new SerializedFormBuilder.
* @param context the build context.
*/
private SerializedFormBuilder(Context context) {
super(context);
}
/**
* Construct a new SerializedFormBuilder.
* @param context the build context.
*/
public static SerializedFormBuilder getInstance(Context context) {
return new SerializedFormBuilder(context);
}
/**
* Build the serialized form.
*/
public void build() throws IOException {
if (! serialClassFoundToDocument(configuration.root.classes())) {
//Nothing to document.
return;
}
try {
writer = configuration.getWriterFactory().getSerializedFormWriter();
if (writer == null) {
//Doclet does not support this output.
return;
}
} catch (Exception e) {
throw new DocletAbortException(e);
}
build(layoutParser.parseXML(NAME), contentTree);
writer.close();
}
/**
* {@inheritDoc}
*/
public String getName() {
return NAME;
}
/**
* Build the serialized form.
*
* @param node the XML element that specifies which components to document
* @param serializedTree content tree to which the documentation will be added
*/
public void buildSerializedForm(XMLNode node, Content serializedTree) throws Exception {
serializedTree = writer.getHeader(configuration.getText(
"doclet.Serialized_Form"));
buildChildren(node, serializedTree);
writer.addFooter(serializedTree);
writer.printDocument(serializedTree);
writer.close();
}
/**
* Build the serialized form summaries.
*
* @param node the XML element that specifies which components to document
* @param serializedTree content tree to which the documentation will be added
*/
public void buildSerializedFormSummaries(XMLNode node, Content serializedTree) {
Content serializedSummariesTree = writer.getSerializedSummariesHeader();
PackageDoc[] packages = configuration.packages;
for (int i = 0; i < packages.length; i++) {
currentPackage = packages[i];
buildChildren(node, serializedSummariesTree);
}
serializedTree.addContent(writer.getSerializedContent(
serializedSummariesTree));
}
/**
* Build the package serialized form for the current package being processed.
*
* @param node the XML element that specifies which components to document
* @param serializedSummariesTree content tree to which the documentation will be added
*/
public void buildPackageSerializedForm(XMLNode node, Content serializedSummariesTree) {
Content packageSerializedTree = writer.getPackageSerializedHeader();
String foo = currentPackage.name();
ClassDoc[] classes = currentPackage.allClasses(false);
if (classes == null || classes.length == 0) {
return;
}
if (!serialInclude(currentPackage)) {
return;
}
if (!serialClassFoundToDocument(classes)) {
return;
}
buildChildren(node, packageSerializedTree);
serializedSummariesTree.addContent(packageSerializedTree);
}
/**
* Build the package header.
*
* @param node the XML element that specifies which components to document
* @param packageSerializedTree content tree to which the documentation will be added
*/
public void buildPackageHeader(XMLNode node, Content packageSerializedTree) {
packageSerializedTree.addContent(writer.getPackageHeader(
Util.getPackageName(currentPackage)));
}
/**
* Build the class serialized form.
*
* @param node the XML element that specifies which components to document
* @param packageSerializedTree content tree to which the documentation will be added
*/
public void buildClassSerializedForm(XMLNode node, Content packageSerializedTree) {
Content classSerializedTree = writer.getClassSerializedHeader();
ClassDoc[] classes = currentPackage.allClasses(false);
Arrays.sort(classes);
for (int j = 0; j < classes.length; j++) {
currentClass = classes[j];
fieldWriter = writer.getSerialFieldWriter(currentClass);
methodWriter = writer.getSerialMethodWriter(currentClass);
if(currentClass.isClass() && currentClass.isSerializable()) {
if(!serialClassInclude(currentClass)) {
continue;
}
Content classTree = writer.getClassHeader(currentClass);
buildChildren(node, classTree);
classSerializedTree.addContent(classTree);
}
}
packageSerializedTree.addContent(classSerializedTree);
}
/**
* Build the serial UID information for the given class.
*
* @param node the XML element that specifies which components to document
* @param classTree content tree to which the serial UID information will be added
*/
public void buildSerialUIDInfo(XMLNode node, Content classTree) {
Content serialUidTree = writer.getSerialUIDInfoHeader();
FieldDoc[] fields = currentClass.fields(false);
for (int i = 0; i < fields.length; i++) {
if (fields[i].name().equals("serialVersionUID") &&
fields[i].constantValueExpression() != null) {
writer.addSerialUIDInfo(SERIAL_VERSION_UID_HEADER,
fields[i].constantValueExpression(), serialUidTree);
break;
}
}
classTree.addContent(serialUidTree);
}
/**
* Build the summaries for the methods and fields.
*
* @param node the XML element that specifies which components to document
* @param classTree content tree to which the documentation will be added
*/
public void buildClassContent(XMLNode node, Content classTree) {
Content classContentTree = writer.getClassContentHeader();
buildChildren(node, classContentTree);
classTree.addContent(classContentTree);
}
/**
* Build the summaries for the methods that belong to the given
* class.
*
* @param node the XML element that specifies which components to document
* @param classContentTree content tree to which the documentation will be added
*/
public void buildSerializableMethods(XMLNode node, Content classContentTree) {
Content serializableMethodTree = methodWriter.getSerializableMethodsHeader();
MemberDoc[] members = currentClass.serializationMethods();
int membersLength = members.length;
if (membersLength > 0) {
for (int i = 0; i < membersLength; i++) {
currentMember = members[i];
Content methodsContentTree = methodWriter.getMethodsContentHeader(
(i == membersLength - 1));
buildChildren(node, methodsContentTree);
serializableMethodTree.addContent(methodsContentTree);
}
}
if (currentClass.serializationMethods().length > 0) {
classContentTree.addContent(methodWriter.getSerializableMethods(
configuration.getText("doclet.Serialized_Form_methods"),
serializableMethodTree));
if (currentClass.isSerializable() && !currentClass.isExternalizable()) {
if (currentClass.serializationMethods().length == 0) {
Content noCustomizationMsg = methodWriter.getNoCustomizationMsg(
configuration.getText(
"doclet.Serializable_no_customization"));
classContentTree.addContent(methodWriter.getSerializableMethods(
configuration.getText("doclet.Serialized_Form_methods"),
noCustomizationMsg));
}
}
}
}
/**
* Build the method sub header.
*
* @param node the XML element that specifies which components to document
* @param methodsContentTree content tree to which the documentation will be added
*/
public void buildMethodSubHeader(XMLNode node, Content methodsContentTree) {
methodWriter.addMemberHeader((MethodDoc)currentMember, methodsContentTree);
}
/**
* Build the deprecated method description.
*
* @param node the XML element that specifies which components to document
* @param methodsContentTree content tree to which the documentation will be added
*/
public void buildDeprecatedMethodInfo(XMLNode node, Content methodsContentTree) {
methodWriter.addDeprecatedMemberInfo((MethodDoc) currentMember, methodsContentTree);
}
/**
* Build the information for the method.
*
* @param node the XML element that specifies which components to document
* @param methodsContentTree content tree to which the documentation will be added
*/
public void buildMethodInfo(XMLNode node, Content methodsContentTree) {
if(configuration.nocomment){
return;
}
buildChildren(node, methodsContentTree);
}
/**
* Build method description.
*
* @param node the XML element that specifies which components to document
* @param methodsContentTree content tree to which the documentation will be added
*/
public void buildMethodDescription(XMLNode node, Content methodsContentTree) {
methodWriter.addMemberDescription((MethodDoc) currentMember, methodsContentTree);
}
/**
* Build the method tags.
*
* @param node the XML element that specifies which components to document
* @param methodsContentTree content tree to which the documentation will be added
*/
public void buildMethodTags(XMLNode node, Content methodsContentTree) {
methodWriter.addMemberTags((MethodDoc) currentMember, methodsContentTree);
MethodDoc method = (MethodDoc)currentMember;
if (method.name().compareTo("writeExternal") == 0
&& method.tags("serialData").length == 0) {
if (configuration.serialwarn) {
configuration.getDocletSpecificMsg().warning(
currentMember.position(), "doclet.MissingSerialDataTag",
method.containingClass().qualifiedName(), method.name());
}
}
}
/**
* Build the field header.
*
* @param node the XML element that specifies which components to document
* @param classContentTree content tree to which the documentation will be added
*/
public void buildFieldHeader(XMLNode node, Content classContentTree) {
if (currentClass.serializableFields().length > 0) {
buildFieldSerializationOverview(currentClass, classContentTree);
}
}
/**
* Build the serialization overview for the given class.
*
* @param classDoc the class to print the overview for.
* @param classContentTree content tree to which the documentation will be added
*/
public void buildFieldSerializationOverview(ClassDoc classDoc, Content classContentTree) {
if (classDoc.definesSerializableFields()) {
FieldDoc serialPersistentField = classDoc.serializableFields()[0];
// Check to see if there are inline comments, tags or deprecation
// information to be printed.
if (fieldWriter.shouldPrintOverview(serialPersistentField)) {
Content serializableFieldsTree = fieldWriter.getSerializableFieldsHeader();
Content fieldsOverviewContentTree = fieldWriter.getFieldsContentHeader(true);
fieldWriter.addMemberDeprecatedInfo(serialPersistentField,
fieldsOverviewContentTree);
if (!configuration.nocomment) {
fieldWriter.addMemberDescription(serialPersistentField,
fieldsOverviewContentTree);
fieldWriter.addMemberTags(serialPersistentField,
fieldsOverviewContentTree);
}
serializableFieldsTree.addContent(fieldsOverviewContentTree);
classContentTree.addContent(fieldWriter.getSerializableFields(
configuration.getText("doclet.Serialized_Form_class"),
serializableFieldsTree));
}
}
}
/**
* Build the summaries for the fields that belong to the given class.
*
* @param node the XML element that specifies which components to document
* @param classContentTree content tree to which the documentation will be added
*/
public void buildSerializableFields(XMLNode node, Content classContentTree) {
MemberDoc[] members = currentClass.serializableFields();
int membersLength = members.length;
if (membersLength > 0) {
Content serializableFieldsTree = fieldWriter.getSerializableFieldsHeader();
for (int i = 0; i < membersLength; i++) {
currentMember = members[i];
if (!currentClass.definesSerializableFields()) {
Content fieldsContentTree = fieldWriter.getFieldsContentHeader(
(i == membersLength - 1));
buildChildren(node, fieldsContentTree);
serializableFieldsTree.addContent(fieldsContentTree);
}
else {
buildSerialFieldTagsInfo(serializableFieldsTree);
}
}
classContentTree.addContent(fieldWriter.getSerializableFields(
configuration.getText("doclet.Serialized_Form_fields"),
serializableFieldsTree));
}
}
/**
* Build the field sub header.
*
* @param node the XML element that specifies which components to document
* @param fieldsContentTree content tree to which the documentation will be added
*/
public void buildFieldSubHeader(XMLNode node, Content fieldsContentTree) {
if (!currentClass.definesSerializableFields()) {
FieldDoc field = (FieldDoc) currentMember;
fieldWriter.addMemberHeader(field.type().asClassDoc(),
field.type().typeName(), field.type().dimension(), field.name(),
fieldsContentTree);
}
}
/**
* Build the field deprecation information.
*
* @param node the XML element that specifies which components to document
* @param fieldsContentTree content tree to which the documentation will be added
*/
public void buildFieldDeprecationInfo(XMLNode node, Content fieldsContentTree) {
if (!currentClass.definesSerializableFields()) {
FieldDoc field = (FieldDoc)currentMember;
fieldWriter.addMemberDeprecatedInfo(field, fieldsContentTree);
}
}
/**
* Build the serial field tags information.
*
* @param serializableFieldsTree content tree to which the documentation will be added
*/
public void buildSerialFieldTagsInfo(Content serializableFieldsTree) {
if(configuration.nocomment){
return;
}
FieldDoc field = (FieldDoc)currentMember;
// Process Serializable Fields specified as array of
// ObjectStreamFields. Print a member for each serialField tag.
// (There should be one serialField tag per ObjectStreamField
// element.)
SerialFieldTag[] tags = field.serialFieldTags();
Arrays.sort(tags);
int tagsLength = tags.length;
for (int i = 0; i < tagsLength; i++) {
if (tags[i].fieldName() == null || tags[i].fieldType() == null) // ignore malformed @serialField tags
continue;
Content fieldsContentTree = fieldWriter.getFieldsContentHeader(
(i == tagsLength - 1));
fieldWriter.addMemberHeader(tags[i].fieldTypeDoc(),
tags[i].fieldType(), "", tags[i].fieldName(), fieldsContentTree);
fieldWriter.addMemberDescription(tags[i], fieldsContentTree);
serializableFieldsTree.addContent(fieldsContentTree);
}
}
/**
* Build the field information.
*
* @param node the XML element that specifies which components to document
* @param fieldsContentTree content tree to which the documentation will be added
*/
public void buildFieldInfo(XMLNode node, Content fieldsContentTree) {
if(configuration.nocomment){
return;
}
FieldDoc field = (FieldDoc)currentMember;
ClassDoc cd = field.containingClass();
// Process default Serializable field.
if ((field.tags("serial").length == 0) && ! field.isSynthetic()
&& configuration.serialwarn) {
configuration.message.warning(field.position(),
"doclet.MissingSerialTag", cd.qualifiedName(),
field.name());
}
fieldWriter.addMemberDescription(field, fieldsContentTree);
fieldWriter.addMemberTags(field, fieldsContentTree);
}
/**
* Return true if the given Doc should be included
* in the serialized form.
*
* @param doc the Doc object to check for serializability.
*/
public static boolean serialInclude(Doc doc) {
if (doc == null) {
return false;
}
return doc.isClass() ?
serialClassInclude((ClassDoc)doc) :
serialDocInclude(doc);
}
/**
* Return true if the given ClassDoc should be included
* in the serialized form.
*
* @param cd the ClassDoc object to check for serializability.
*/
private static boolean serialClassInclude(ClassDoc cd) {
if (cd.isEnum()) {
return false;
}
try {
cd.superclassType();
} catch (NullPointerException e) {
//Workaround for null pointer bug in ClassDoc.superclassType().
return false;
}
if (cd.isSerializable()) {
if (cd.tags("serial").length > 0) {
return serialDocInclude(cd);
} else if (cd.isPublic() || cd.isProtected()) {
return true;
} else {
return false;
}
}
return false;
}
/**
* Return true if the given Doc should be included
* in the serialized form.
*
* @param doc the Doc object to check for serializability.
*/
private static boolean serialDocInclude(Doc doc) {
if (doc.isEnum()) {
return false;
}
Tag[] serial = doc.tags("serial");
if (serial.length > 0) {
String serialtext = serial[0].text().toLowerCase();
if (serialtext.indexOf("exclude") >= 0) {
return false;
} else if (serialtext.indexOf("include") >= 0) {
return true;
}
}
return true;
}
/**
* Return true if any of the given classes have a @serialinclude tag.
*
* @param classes the classes to check.
* @return true if any of the given classes have a @serialinclude tag.
*/
private boolean serialClassFoundToDocument(ClassDoc[] classes) {
for (int i = 0; i < classes.length; i++) {
if (serialClassInclude(classes[i])) {
return true;
}
}
return false;
}
}
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