Fri, 31 Aug 2012 10:37:46 +0100
7151010: Add compiler support for repeating annotations
Reviewed-by: jjg, mcimadamore
1 /*
2 * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.javadoc;
28 import java.util.EnumSet;
29 import javax.tools.JavaFileObject;
31 import com.sun.tools.javac.code.Symbol.PackageSymbol;
32 import com.sun.tools.javac.jvm.ClassReader;
33 import com.sun.tools.javac.util.Context;
35 /** Javadoc uses an extended class reader that records package.html entries
36 * @author Neal Gafter
37 */
38 public class JavadocClassReader extends ClassReader {
40 public static JavadocClassReader instance0(Context context) {
41 ClassReader instance = context.get(classReaderKey);
42 if (instance == null)
43 instance = new JavadocClassReader(context);
44 return (JavadocClassReader)instance;
45 }
47 public static void preRegister(Context context) {
48 context.put(classReaderKey, new Context.Factory<ClassReader>() {
49 public ClassReader make(Context c) {
50 return new JavadocClassReader(c);
51 }
52 });
53 }
55 private DocEnv docenv;
56 private EnumSet<JavaFileObject.Kind> all = EnumSet.of(JavaFileObject.Kind.CLASS,
57 JavaFileObject.Kind.SOURCE,
58 JavaFileObject.Kind.HTML);
59 private EnumSet<JavaFileObject.Kind> noSource = EnumSet.of(JavaFileObject.Kind.CLASS,
60 JavaFileObject.Kind.HTML);
62 public JavadocClassReader(Context context) {
63 super(context, true);
64 docenv = DocEnv.instance(context);
65 preferSource = true;
66 }
68 /**
69 * Override getPackageFileKinds to include search for package.html
70 */
71 @Override
72 protected EnumSet<JavaFileObject.Kind> getPackageFileKinds() {
73 return docenv.docClasses ? noSource : all;
74 }
76 /**
77 * Override extraFileActions to check for package documentation
78 */
79 @Override
80 protected void extraFileActions(PackageSymbol pack, JavaFileObject fo) {
81 if (fo.isNameCompatible("package", JavaFileObject.Kind.HTML))
82 docenv.getPackageDoc(pack).setDocPath(fo);
83 }
84 }