src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/TypeElementCatalog.java
changeset 47216 71c04702a3d5
parent 45417 f7479ee8de69
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/TypeElementCatalog.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,269 @@
+/*
+ * Copyright (c) 2001, 2017, 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 jdk.javadoc.internal.doclets.toolkit.util;
+
+import java.util.*;
+
+import javax.lang.model.element.Element;
+import javax.lang.model.element.PackageElement;
+import javax.lang.model.element.TypeElement;
+
+import jdk.javadoc.internal.doclets.toolkit.BaseConfiguration;
+
+/**
+ * This class acts as an artificial container for classes specified on the command line when
+ * running Javadoc. For example, if you specify several classes from package java.lang, this class
+ * will catalog those classes so that we can retrieve all of the classes from a particular package
+ * later.
+ *
+ * <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
+ */
+public class TypeElementCatalog {
+
+    /**
+     * Stores the set of packages that the classes specified on the command line belong to. Note
+     * that the default package is "".
+     */
+    private final SortedSet<PackageElement> packageSet;
+
+    /**
+     * Stores all classes for each package
+     */
+    private final Map<PackageElement, SortedSet<TypeElement>> allClasses;
+
+    /**
+     * Stores ordinary classes (excluding Exceptions and Errors) for each package
+     */
+    private final Map<PackageElement, SortedSet<TypeElement>> ordinaryClasses;
+
+    /**
+     * Stores exceptions for each package
+     */
+    private final Map<PackageElement, SortedSet<TypeElement>> exceptions;
+
+    /**
+     * Stores enums for each package.
+     */
+    private final Map<PackageElement, SortedSet<TypeElement>> enums;
+
+    /**
+     * Stores annotation types for each package.
+     */
+    private final Map<PackageElement, SortedSet<TypeElement>> annotationTypes;
+
+    /**
+     * Stores errors for each package
+     */
+    private final Map<PackageElement, SortedSet<TypeElement>> errors;
+
+    /**
+     * Stores interfaces for each package
+     */
+    private final Map<PackageElement, SortedSet<TypeElement>> interfaces;
+
+    private final BaseConfiguration configuration;
+    private final Utils utils;
+    private final Comparator<Element> comparator;
+
+    /**
+     * Construct a new TypeElementCatalog.
+     *
+     * @param typeElements the array of TypeElements to catalog
+     */
+    public TypeElementCatalog(Iterable<TypeElement> typeElements, BaseConfiguration config) {
+        this(config);
+        for (TypeElement typeElement : typeElements) {
+            addTypeElement(typeElement);
+        }
+    }
+
+    /**
+     * Construct a new TypeElementCatalog.
+     *
+     */
+    public TypeElementCatalog(BaseConfiguration config) {
+        this.configuration = config;
+        this.utils = config.utils;
+        comparator = utils.makeGeneralPurposeComparator();
+        allClasses = new HashMap<>();
+        ordinaryClasses = new HashMap<>();
+        exceptions = new HashMap<>();
+        enums = new HashMap<>();
+        annotationTypes = new HashMap<>();
+        errors = new HashMap<>();
+        interfaces = new HashMap<>();
+        packageSet = new TreeSet<>(comparator);
+    }
+
+    /**
+     * Add the given class to the catalog.
+     *
+     * @param typeElement the TypeElement to add to the catalog.
+     */
+    public final void addTypeElement(TypeElement typeElement) {
+        if (typeElement == null) {
+            return;
+        }
+        addTypeElement(typeElement, allClasses);
+        if (utils.isOrdinaryClass(typeElement)) {
+            addTypeElement(typeElement, ordinaryClasses);
+        } else if (utils.isException(typeElement)) {
+            addTypeElement(typeElement, exceptions);
+        } else if (utils.isEnum(typeElement)) {
+            addTypeElement(typeElement, enums);
+        } else if (utils.isAnnotationType(typeElement)) {
+            addTypeElement(typeElement, annotationTypes);
+        } else if (utils.isError(typeElement)) {
+            addTypeElement(typeElement, errors);
+        } else if (utils.isInterface(typeElement)) {
+            addTypeElement(typeElement, interfaces);
+        }
+    }
+
+    /**
+     * Add the given class to the given map.
+     *
+     * @param typeElement the class to add to the catalog.
+     * @param map the Map to add the TypeElement to.
+     */
+    private void addTypeElement(TypeElement typeElement, Map<PackageElement, SortedSet<TypeElement>> map) {
+
+        PackageElement pkg = utils.containingPackage(typeElement);
+        if (utils.isSpecified(pkg) || configuration.nodeprecated && utils.isDeprecated(pkg)) {
+            // No need to catalog this class if it's package is
+            // specified on the command line or if -nodeprecated option is set
+            return;
+        }
+
+        SortedSet<TypeElement> s = map.get(pkg);
+        if (s == null) {
+            packageSet.add(pkg);
+            s = new TreeSet<>(comparator);
+        }
+        s.add(typeElement);
+        map.put(pkg, s);
+
+    }
+
+    private SortedSet<TypeElement> getSet(Map<PackageElement, SortedSet<TypeElement>> m, PackageElement key) {
+        SortedSet<TypeElement> s = m.get(key);
+        if (s != null) {
+            return s;
+        }
+        return new TreeSet<>(comparator);
+    }
+    /**
+     * Return all of the classes specified on the command-line that belong to the given package.
+     *
+     * @param packageElement the package to return the classes for.
+     */
+    public SortedSet<TypeElement> allClasses(PackageElement packageElement) {
+        return utils.isSpecified(packageElement)
+                ? utils.getTypeElementsAsSortedSet(utils.getEnclosedTypeElements(packageElement))
+                : getSet(allClasses, packageElement);
+    }
+
+    /**
+     * Return all of the classes specified on the command-line that belong to the given package.
+     *
+     * @param packageName the name of the package specified on the command-line.
+     */
+    public SortedSet<TypeElement> allUnnamedClasses() {
+        for (PackageElement pkg : allClasses.keySet()) {
+            if (pkg.isUnnamed()) {
+                return allClasses.get(pkg);
+            }
+        }
+        return new TreeSet<>(comparator);
+    }
+
+    /**
+     * Return a SortedSet of packages that this catalog stores.
+     */
+    public SortedSet<PackageElement> packages() {
+         return packageSet;
+    }
+
+    /**
+     * Return all of the errors specified on the command-line that belong to the given package.
+     *
+     * @param packageName the name of the package specified on the command-line.
+     */
+    public SortedSet<TypeElement> errors(PackageElement pkg) {
+        return getSet(errors, pkg);
+    }
+
+    /**
+     * Return all of the exceptions specified on the command-line that belong to the given package.
+     *
+     * @param packageName the name of the package specified on the command-line.
+     */
+    public SortedSet<TypeElement> exceptions(PackageElement pkg) {
+        return getSet(exceptions, pkg);
+    }
+
+    /**
+     * Return all of the enums specified on the command-line that belong to the given package.
+     *
+     * @param packageName the name of the package specified on the command-line.
+     */
+    public SortedSet<TypeElement> enums(PackageElement pkg) {
+        return getSet(enums, pkg);
+    }
+
+    /**
+     * Return all of the annotation types specified on the command-line that belong to the given
+     * package.
+     *
+     * @param packageName the name of the package specified on the command-line.
+     */
+    public SortedSet<TypeElement> annotationTypes(PackageElement pkg) {
+        return getSet(annotationTypes, pkg);
+    }
+
+    /**
+     * Return all of the interfaces specified on the command-line that belong to the given package.
+     *
+     * @param packageName the name of the package specified on the command-line.
+     */
+    public SortedSet<TypeElement> interfaces(PackageElement pkg) {
+        return getSet(interfaces, pkg);
+    }
+
+    /**
+     * Return all of the ordinary classes specified on the command-line that belong to the given
+     * package.
+     *
+     * @param packageName the name of the package specified on the command-line.
+     */
+    public SortedSet<TypeElement> ordinaryClasses(PackageElement pkg) {
+        return getSet(ordinaryClasses, pkg);
+    }
+}