Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * 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

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 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.*;

 import com.sun.tools.javac.util.StringUtils;

 /**

  * Builds the serialized form.

  *

  *  <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 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 = StringUtils.toLowerCase(serial[0].text());

             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;

     }

 }