langtools/src/jdk.javadoc/share/classes/com/sun/tools/javadoc/main/ProgramElementDocImpl.java
changeset 37938 42baa89d2156
parent 25874 83c19f00452c
child 38617 d93a7f64e231
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.javadoc/share/classes/com/sun/tools/javadoc/main/ProgramElementDocImpl.java	Mon May 09 16:52:15 2016 -0700
@@ -0,0 +1,231 @@
+/*
+ * Copyright (c) 1997, 2012, 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.javadoc.main;
+
+import java.lang.reflect.Modifier;
+import java.text.CollationKey;
+
+import com.sun.javadoc.*;
+import com.sun.source.util.TreePath;
+import com.sun.tools.javac.code.Attribute;
+import com.sun.tools.javac.code.Symbol;
+import com.sun.tools.javac.code.Symbol.ClassSymbol;
+import com.sun.tools.javac.tree.JCTree;
+import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
+import com.sun.tools.javac.util.Position;
+
+/**
+ * Represents a java program element: class, interface, field,
+ * constructor, or method.
+ * This is an abstract class dealing with information common to
+ * these elements.
+ *
+ *  <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>
+ *
+ * @see MemberDocImpl
+ * @see ClassDocImpl
+ *
+ * @author Robert Field
+ * @author Neal Gafter (rewrite)
+ * @author Scott Seligman (generics, enums, annotations)
+ */
+public abstract class ProgramElementDocImpl
+        extends DocImpl implements ProgramElementDoc {
+
+    private final Symbol sym;
+
+    // For source position information.
+    JCTree tree = null;
+    Position.LineMap lineMap = null;
+
+
+    // Cache for getModifiers().
+    private int modifiers = -1;
+
+    protected ProgramElementDocImpl(DocEnv env, Symbol sym, TreePath treePath) {
+        super(env, treePath);
+        this.sym = sym;
+        if (treePath != null) {
+            tree = (JCTree) treePath.getLeaf();
+            lineMap = ((JCCompilationUnit) treePath.getCompilationUnit()).lineMap;
+        }
+    }
+
+    @Override
+    void setTreePath(TreePath treePath) {
+        super.setTreePath(treePath);
+        this.tree = (JCTree) treePath.getLeaf();
+        this.lineMap = ((JCCompilationUnit) treePath.getCompilationUnit()).lineMap;
+    }
+
+    /**
+     * Subclasses override to identify the containing class
+     */
+    protected abstract ClassSymbol getContainingClass();
+
+    /**
+     * Returns the flags in terms of javac's flags
+     */
+    abstract protected long getFlags();
+
+    /**
+     * Returns the modifier flags in terms of java.lang.reflect.Modifier.
+     */
+    protected int getModifiers() {
+        if (modifiers == -1) {
+            modifiers = DocEnv.translateModifiers(getFlags());
+        }
+        return modifiers;
+    }
+
+    /**
+     * Get the containing class of this program element.
+     *
+     * @return a ClassDocImpl for this element's containing class.
+     * If this is a class with no outer class, return null.
+     */
+    public ClassDoc containingClass() {
+        if (getContainingClass() == null) {
+            return null;
+        }
+        return env.getClassDoc(getContainingClass());
+    }
+
+    /**
+     * Return the package that this member is contained in.
+     * Return "" if in unnamed package.
+     */
+    public PackageDoc containingPackage() {
+        return env.getPackageDoc(getContainingClass().packge());
+    }
+
+    /**
+     * Get the modifier specifier integer.
+     *
+     * @see java.lang.reflect.Modifier
+     */
+    public int modifierSpecifier() {
+        int modifiers = getModifiers();
+        if (isMethod() && containingClass().isInterface())
+            // Remove the implicit abstract modifier.
+            return modifiers & ~Modifier.ABSTRACT;
+        return modifiers;
+    }
+
+    /**
+     * Get modifiers string.
+     * <pre>
+     * Example, for:
+     *   public abstract int foo() { ... }
+     * modifiers() would return:
+     *   'public abstract'
+     * </pre>
+     * Annotations are not included.
+     */
+    public String modifiers() {
+        int modifiers = getModifiers();
+        if (isAnnotationTypeElement() ||
+                (isMethod() && containingClass().isInterface())) {
+            // Remove the implicit abstract modifier.
+            return Modifier.toString(modifiers & ~Modifier.ABSTRACT);
+        } else {
+            return Modifier.toString(modifiers);
+        }
+    }
+
+    /**
+     * Get the annotations of this program element.
+     * Return an empty array if there are none.
+     */
+    public AnnotationDesc[] annotations() {
+        AnnotationDesc res[] = new AnnotationDesc[sym.getRawAttributes().length()];
+        int i = 0;
+        for (Attribute.Compound a : sym.getRawAttributes()) {
+            res[i++] = new AnnotationDescImpl(env, a);
+        }
+        return res;
+    }
+
+    /**
+     * Return true if this program element is public
+     */
+    public boolean isPublic() {
+        int modifiers = getModifiers();
+        return Modifier.isPublic(modifiers);
+    }
+
+    /**
+     * Return true if this program element is protected
+     */
+    public boolean isProtected() {
+        int modifiers = getModifiers();
+        return Modifier.isProtected(modifiers);
+    }
+
+    /**
+     * Return true if this program element is private
+     */
+    public boolean isPrivate() {
+        int modifiers = getModifiers();
+        return Modifier.isPrivate(modifiers);
+    }
+
+    /**
+     * Return true if this program element is package private
+     */
+    public boolean isPackagePrivate() {
+        return !(isPublic() || isPrivate() || isProtected());
+    }
+
+    /**
+     * Return true if this program element is static
+     */
+    public boolean isStatic() {
+        int modifiers = getModifiers();
+        return Modifier.isStatic(modifiers);
+    }
+
+    /**
+     * Return true if this program element is final
+     */
+    public boolean isFinal() {
+        int modifiers = getModifiers();
+        return Modifier.isFinal(modifiers);
+    }
+
+    /**
+     * Generate a key for sorting.
+     */
+    CollationKey generateKey() {
+        String k = name();
+        // System.out.println("COLLATION KEY FOR " + this + " is \"" + k + "\"");
+        return env.doclocale.collator.getCollationKey(k);
+    }
+
+}