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A utility class.

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.

/** * A utility class. * * <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> */
package jdk.javadoc.internal.doclets.toolkit; import java.net.URI; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import javax.lang.model.element.Element; import javax.lang.model.element.ExecutableElement; import javax.lang.model.element.Name; import javax.lang.model.element.PackageElement; import javax.lang.model.element.VariableElement; import javax.lang.model.util.Elements; import javax.tools.FileObject; import javax.tools.JavaFileObject; import javax.tools.SimpleJavaFileObject; import com.sun.source.doctree.DocCommentTree; import com.sun.source.doctree.DocTree; import com.sun.source.doctree.IdentifierTree; import com.sun.source.doctree.ReferenceTree; import com.sun.source.doctree.TextTree; import com.sun.source.util.DocTreeFactory; import com.sun.source.util.DocTreePath; import com.sun.source.util.DocTrees; import com.sun.source.util.TreePath; import com.sun.tools.javac.util.DefinedBy; import com.sun.tools.javac.util.DefinedBy.Api; import jdk.javadoc.internal.doclets.toolkit.util.Utils; public class CommentUtils { final Configuration configuration; final DocTreeFactory treeFactory; final HashMap<Element, DocCommentDuo> dcTreesMap = new HashMap<>(); final DocTrees trees; final Elements elementUtils; protected CommentUtils(Configuration configuration) { this.configuration = configuration; trees = configuration.docEnv.getDocTrees(); treeFactory = trees.getDocTreeFactory(); elementUtils = configuration.docEnv.getElementUtils(); } public List<? extends DocTree> makePropertyDescriptionTree(List<? extends DocTree> content) { List<DocTree> out = new ArrayList<>(); Name name = elementUtils.getName("propertyDescription"); out.add(treeFactory.newUnknownBlockTagTree(name, content)); return out; } public List<? extends DocTree> makePropertyDescriptionTree(String content) { List<DocTree> inlist = new ArrayList<>(); inlist.add(treeFactory.newCommentTree(content)); List<DocTree> out = new ArrayList<>(); Name name = elementUtils.getName("propertyDescription"); out.add(treeFactory.newUnknownBlockTagTree(name, inlist)); return out; } public List<? extends DocTree> makeFirstSentenceTree(String content) { List<DocTree> out = new ArrayList<>(); out.add(treeFactory.newTextTree(content)); return out; } public DocTree makeSeeTree(String sig, Element e) { List<DocTree> list = new ArrayList<>(); list.add(treeFactory.newReferenceTree(sig)); return treeFactory.newSeeTree(list); } public DocTree makeTextTree(String content) { TextTree text = treeFactory.newTextTree(content); return (DocTree) text; } public void setEnumValuesTree(Configuration config, Element e) { Utils utils = config.utils; String klassName = utils.getSimpleName(utils.getEnclosingTypeElement(e)); List<DocTree> fullBody = new ArrayList<>(); fullBody.add(treeFactory.newTextTree(config.getText("doclet.enum_values_doc.fullbody", klassName))); List<DocTree> descriptions = new ArrayList<>(); descriptions.add(treeFactory.newTextTree(config.getText("doclet.enum_values_doc.return"))); List<DocTree> tags = new ArrayList<>(); tags.add(treeFactory.newReturnTree(descriptions)); DocCommentTree docTree = treeFactory.newDocCommentTree(fullBody, tags); dcTreesMap.put(e, new DocCommentDuo(null, docTree)); } public void setEnumValueOfTree(Configuration config, Element e) { List<DocTree> fullBody = new ArrayList<>(); fullBody.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.fullbody"))); List<DocTree> tags = new ArrayList<>(); List<DocTree> paramDescs = new ArrayList<>(); paramDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.param_name"))); ExecutableElement ee = (ExecutableElement) e; java.util.List<? extends VariableElement> parameters = ee.getParameters(); VariableElement param = parameters.get(0); IdentifierTree id = treeFactory.newIdentifierTree(elementUtils.getName(param.getSimpleName().toString())); tags.add(treeFactory.newParamTree(false, id, paramDescs)); List<DocTree> returnDescs = new ArrayList<>(); returnDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.return"))); tags.add(treeFactory.newReturnTree(returnDescs)); List<DocTree> throwsDescs = new ArrayList<>(); throwsDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.throws_ila"))); ReferenceTree ref = treeFactory.newReferenceTree("java.lang.IllegalArgumentException"); tags.add(treeFactory.newThrowsTree(ref, throwsDescs)); throwsDescs = new ArrayList<>(); throwsDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.throws_npe"))); ref = treeFactory.newReferenceTree("java.lang.NullPointerException"); tags.add(treeFactory.newThrowsTree(ref, throwsDescs)); DocCommentTree docTree = treeFactory.newDocCommentTree(fullBody, tags); dcTreesMap.put(e, new DocCommentDuo(null, docTree)); } /* * Returns the TreePath/DocCommentTree duo for synthesized element. */ public DocCommentDuo getSyntheticCommentDuo(Element e) { return dcTreesMap.get(e); } /* * Returns the TreePath/DocCommentTree duo for html sources. */ public DocCommentDuo getHtmlCommentDuo(Element e) { FileObject fo = null; PackageElement pe = null; switch (e.getKind()) { case OTHER: fo = configuration.getOverviewPath(); pe = configuration.workArounds.getUnnamedPackage(); break; case PACKAGE: fo = configuration.workArounds.getJavaFileObject((PackageElement)e); pe = (PackageElement)e; break; default: return null; } if (fo == null) { return null; } DocCommentTree dcTree = trees.getDocCommentTree(fo); if (dcTree == null) { return null; } DocTreePath treePath = trees.getDocTreePath(fo, pe); return new DocCommentDuo(treePath.getTreePath(), dcTree); } public DocCommentTree parse(URI uri, String text) { return trees.getDocCommentTree(new SimpleJavaFileObject( uri, JavaFileObject.Kind.SOURCE) { @Override @DefinedBy(Api.COMPILER) public CharSequence getCharContent(boolean ignoreEncoding) { return text; } }); } public void setDocCommentTree(Element element, List<DocTree> fullBody, List<DocTree> blockTags, Utils utils) { DocCommentTree docTree = treeFactory.newDocCommentTree(fullBody, blockTags); dcTreesMap.put(element, new DocCommentDuo(null, docTree)); // There maybe an entry with the original comments usually null, // therefore remove that entry if it exists, and allow a new one // to be reestablished. utils.removeCommentHelper(element); }
A simplistic container to transport a TreePath, DocCommentTree pair. Here is why we need this: a. not desirable to add javac's pair. b. DocTreePath is not a viable option either, as a null TreePath is required to represent synthetic comments for Enum.values, valuesOf, javafx properties.
/** * A simplistic container to transport a TreePath, DocCommentTree pair. * Here is why we need this: * a. not desirable to add javac's pair. * b. DocTreePath is not a viable option either, as a null TreePath is required * to represent synthetic comments for Enum.values, valuesOf, javafx properties. */
public static class DocCommentDuo { public final TreePath treePath; public final DocCommentTree dcTree; public DocCommentDuo(TreePath treePath, DocCommentTree dcTree) { this.treePath = treePath; this.dcTree = dcTree; } } }