AbstractDoclet.java revision 3294:9adfb22ff08f
1219019Sgabor/* 2219019Sgabor * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. 3219019Sgabor * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4219019Sgabor * 5219019Sgabor * This code is free software; you can redistribute it and/or modify it 6219019Sgabor * under the terms of the GNU General Public License version 2 only, as 7219019Sgabor * published by the Free Software Foundation. Oracle designates this 8219019Sgabor * particular file as subject to the "Classpath" exception as provided 9219019Sgabor * by Oracle in the LICENSE file that accompanied this code. 10219019Sgabor * 11219019Sgabor * This code is distributed in the hope that it will be useful, but WITHOUT 12219019Sgabor * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13219019Sgabor * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14219019Sgabor * version 2 for more details (a copy is included in the LICENSE file that 15219019Sgabor * accompanied this code). 16219019Sgabor * 17219019Sgabor * You should have received a copy of the GNU General Public License version 18219019Sgabor * 2 along with this work; if not, write to the Free Software Foundation, 19219019Sgabor * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20219019Sgabor * 21219019Sgabor * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22219019Sgabor * or visit www.oracle.com if you need additional information or have any 23219019Sgabor * questions. 24219019Sgabor */ 25219019Sgabor 26219019Sgaborpackage jdk.javadoc.internal.doclets.toolkit; 27219019Sgabor 28219019Sgaborimport java.util.SortedSet; 29219019Sgaborimport java.util.TreeSet; 30219019Sgabor 31219019Sgaborimport javax.lang.model.SourceVersion; 32219019Sgaborimport javax.lang.model.element.PackageElement; 33219019Sgaborimport javax.lang.model.element.TypeElement; 34219019Sgabor 35219019Sgaborimport jdk.javadoc.doclet.DocletEnvironment; 36219019Sgaborimport jdk.javadoc.internal.doclets.toolkit.builders.AbstractBuilder; 37219019Sgaborimport jdk.javadoc.internal.doclets.toolkit.builders.BuilderFactory; 38219019Sgaborimport jdk.javadoc.internal.doclets.toolkit.util.ClassTree; 39219019Sgaborimport jdk.javadoc.internal.doclets.toolkit.util.DocPaths; 40219019Sgaborimport jdk.javadoc.internal.doclets.toolkit.util.DocletAbortException; 41219019Sgaborimport jdk.javadoc.internal.doclets.toolkit.util.PackageListWriter; 42219019Sgaborimport jdk.javadoc.internal.doclets.toolkit.util.Utils; 43219019Sgabor 44219019Sgaborimport static javax.tools.Diagnostic.Kind.*; 45219019Sgabor 46219019Sgabor/** 47219019Sgabor * An abstract implementation of a Doclet. 48219019Sgabor * 49219019Sgabor * <p><b>This is NOT part of any supported API. 50219019Sgabor * If you write code that depends on this, you do so at your own risk. 51219019Sgabor * This code and its internal interfaces are subject to change or 52219019Sgabor * deletion without notice.</b> 53219019Sgabor * 54219019Sgabor * @author Jamie Ho 55219019Sgabor */ 56219019Sgaborpublic abstract class AbstractDoclet { 57219019Sgabor 58219019Sgabor /** 59219019Sgabor * The global configuration information for this run. 60219019Sgabor */ 61219019Sgabor public Configuration configuration; 62219019Sgabor /* 63219019Sgabor * a handle to our utility methods 64219019Sgabor */ 65219019Sgabor protected Utils utils; 66219019Sgabor 67219019Sgabor /** 68219019Sgabor * The only doclet that may use this toolkit is {@value} 69219019Sgabor */ 70219019Sgabor private static final String TOOLKIT_DOCLET_NAME = 71219019Sgabor jdk.javadoc.internal.doclets.formats.html.HtmlDoclet.class.getName(); 72219019Sgabor 73219019Sgabor /** 74219019Sgabor * Verify that the only doclet that is using this toolkit is 75219019Sgabor * {@value #TOOLKIT_DOCLET_NAME}. 76219019Sgabor */ 77219019Sgabor private boolean isValidDoclet() { 78219019Sgabor if (!getClass().getName().equals(TOOLKIT_DOCLET_NAME)) { 79219019Sgabor configuration.message.error("doclet.Toolkit_Usage_Violation", 80219019Sgabor TOOLKIT_DOCLET_NAME); 81219019Sgabor return false; 82219019Sgabor } 83219019Sgabor return true; 84219019Sgabor } 85219019Sgabor 86219019Sgabor /** 87219019Sgabor * The method that starts the execution of the doclet. 88219019Sgabor * 89219019Sgabor * @param root the {@link DocletEnvironment} that points to the source to document. 90219019Sgabor * @return true if the doclet executed without error. False otherwise. 91219019Sgabor */ 92219019Sgabor public boolean startDoclet(DocletEnvironment root) { 93219019Sgabor configuration = configuration(); 94219019Sgabor configuration.root = root; 95219019Sgabor configuration.cmtUtils = new CommentUtils(configuration); 96219019Sgabor configuration.utils = new Utils(configuration); 97219019Sgabor utils = configuration.utils; 98219019Sgabor configuration.workArounds = new WorkArounds(configuration); 99219019Sgabor if (!isValidDoclet()) { 100219019Sgabor return false; 101219019Sgabor } 102219019Sgabor 103219019Sgabor try { 104219019Sgabor startGeneration(root); 105219019Sgabor } catch (Configuration.Fault f) { 106219019Sgabor configuration.reporter.print(ERROR, f.getMessage()); 107219019Sgabor return false; 108219019Sgabor } catch (DocletAbortException e) { 109219019Sgabor Throwable cause = e.getCause(); 110219019Sgabor if (cause != null) { 111219019Sgabor if (cause.getLocalizedMessage() != null) { 112219019Sgabor configuration.reporter.print(ERROR, cause.getLocalizedMessage()); 113219019Sgabor } else { 114219019Sgabor configuration.reporter.print(ERROR, cause.toString()); 115219019Sgabor } 116219019Sgabor } 117219019Sgabor return false; 118219019Sgabor } catch (Exception exc) { 119219019Sgabor return false; 120219019Sgabor } 121219019Sgabor return true; 122219019Sgabor } 123219019Sgabor 124219019Sgabor /** 125219019Sgabor * Returns the SourceVersion indicating the features supported by this doclet. 126219019Sgabor * @return SourceVersion 127219019Sgabor */ 128219019Sgabor public SourceVersion sourceVersion() { 129219019Sgabor return SourceVersion.RELEASE_8; 130219019Sgabor } 131219019Sgabor 132219019Sgabor 133219019Sgabor /** 134219019Sgabor * Create the configuration instance and returns it. 135219019Sgabor * @return the configuration of the doclet. 136219019Sgabor */ 137219019Sgabor public abstract Configuration configuration(); 138219019Sgabor 139219019Sgabor /** 140219019Sgabor * Start the generation of files. Call generate methods in the individual 141219019Sgabor * writers, which will in turn generate the documentation files. Call the 142219019Sgabor * TreeWriter generation first to ensure the Class Hierarchy is built 143219019Sgabor * first and then can be used in the later generation. 144219019Sgabor * 145219019Sgabor * @see jdk.doclet.DocletEnvironment 146219019Sgabor */ 147219019Sgabor private void startGeneration(DocletEnvironment root) throws Configuration.Fault, Exception { 148219019Sgabor if (root.getIncludedClasses().isEmpty()) { 149219019Sgabor configuration.message. 150219019Sgabor error("doclet.No_Public_Classes_To_Document"); 151219019Sgabor return; 152219019Sgabor } 153219019Sgabor if (!configuration.setOptions()) { 154219019Sgabor return; 155219019Sgabor } 156219019Sgabor configuration.getDocletSpecificMsg().notice("doclet.build_version", 157219019Sgabor configuration.getDocletSpecificBuildDate()); 158219019Sgabor ClassTree classtree = new ClassTree(configuration, configuration.nodeprecated); 159219019Sgabor 160219019Sgabor generateClassFiles(root, classtree); 161219019Sgabor configuration.utils.copyDocFiles(DocPaths.DOC_FILES); 162219019Sgabor 163219019Sgabor PackageListWriter.generate(configuration); 164219019Sgabor generatePackageFiles(classtree); 165219019Sgabor generateModuleFiles(); 166219019Sgabor 167219019Sgabor generateOtherFiles(root, classtree); 168219019Sgabor configuration.tagletManager.printReport(); 169219019Sgabor } 170219019Sgabor 171219019Sgabor /** 172219019Sgabor * Generate additional documentation that is added to the API documentation. 173219019Sgabor * 174219019Sgabor * @param root the DocletEnvironment of source to document. 175219019Sgabor * @param classtree the data structure representing the class tree. 176219019Sgabor */ 177219019Sgabor protected void generateOtherFiles(DocletEnvironment root, ClassTree classtree) throws Exception { 178219019Sgabor BuilderFactory builderFactory = configuration.getBuilderFactory(); 179219019Sgabor AbstractBuilder constantsSummaryBuilder = builderFactory.getConstantsSummaryBuilder(); 180219019Sgabor constantsSummaryBuilder.build(); 181219019Sgabor AbstractBuilder serializedFormBuilder = builderFactory.getSerializedFormBuilder(); 182219019Sgabor serializedFormBuilder.build(); 183219019Sgabor } 184219019Sgabor 185219019Sgabor /** 186219019Sgabor * Generate the module documentation. 187219019Sgabor * 188219019Sgabor */ 189219019Sgabor protected abstract void generateModuleFiles() throws Exception; 190219019Sgabor 191219019Sgabor /** 192219019Sgabor * Generate the package documentation. 193219019Sgabor * 194219019Sgabor * @param classtree the data structure representing the class tree. 195219019Sgabor */ 196219019Sgabor protected abstract void generatePackageFiles(ClassTree classtree) throws Exception; 197219019Sgabor 198219019Sgabor /** 199219019Sgabor * Generate the class documentation. 200219019Sgabor * 201219019Sgabor * @param classtree the data structure representing the class tree. 202219019Sgabor */ 203219019Sgabor protected abstract void generateClassFiles(SortedSet<TypeElement> arr, ClassTree classtree); 204219019Sgabor 205219019Sgabor /** 206219019Sgabor * Iterate through all classes and construct documentation for them. 207219019Sgabor * 208219019Sgabor * @param root the DocletEnvironment of source to document. 209219019Sgabor * @param classtree the data structure representing the class tree. 210219019Sgabor */ 211219019Sgabor protected void generateClassFiles(DocletEnvironment root, ClassTree classtree) { 212219019Sgabor generateClassFiles(classtree); 213219019Sgabor SortedSet<PackageElement> packages = new TreeSet<>(utils.makePackageComparator()); 214219019Sgabor packages.addAll(utils.getSpecifiedPackages()); 215219019Sgabor packages.stream().forEach((pkg) -> { 216219019Sgabor generateClassFiles(utils.getAllClasses(pkg), classtree); 217219019Sgabor }); 218219019Sgabor } 219219019Sgabor 220219019Sgabor /** 221219019Sgabor * Generate the class files for single classes specified on the command line. 222219019Sgabor * 223219019Sgabor * @param classtree the data structure representing the class tree. 224219019Sgabor */ 225219019Sgabor private void generateClassFiles(ClassTree classtree) { 226219019Sgabor SortedSet<PackageElement> packages = configuration.typeElementCatalog.packages(); 227219019Sgabor packages.stream().forEach((pkg) -> { 228219019Sgabor generateClassFiles(configuration.typeElementCatalog.allClasses(pkg), classtree); 229219019Sgabor }); 230219019Sgabor } 231219019Sgabor} 232219019Sgabor