PublicApiCollector.java revision 2657:69d7812dabcc 
1/*
2 * Copyright (c) 2014, 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 */
25package com.sun.tools.sjavac.comp.dependencies;
26
27import java.util.HashSet;
28import java.util.Set;
29
30import com.sun.source.tree.Tree;
31import com.sun.source.util.TaskEvent;
32import com.sun.source.util.TaskListener;
33import com.sun.tools.javac.code.Symbol.ClassSymbol;
34import com.sun.tools.javac.tree.JCTree.JCClassDecl;
35import com.sun.tools.javac.util.DefinedBy;
36import com.sun.tools.javac.util.DefinedBy.Api;
37
38public class PublicApiCollector implements TaskListener {
39
40    final Set<ClassSymbol> classSymbols = new HashSet<>();
41
42    @Override
43    @DefinedBy(Api.COMPILER_TREE)
44    public void started(TaskEvent e) {
45    }
46
47    @Override
48    @DefinedBy(Api.COMPILER_TREE)
49    public void finished(TaskEvent e) {
50        if (e.getKind() == TaskEvent.Kind.ANALYZE) {
51            for (Tree t : e.getCompilationUnit().getTypeDecls()) {
52                if (t instanceof JCClassDecl)  // Can also be a JCSkip
53                    classSymbols.add(((JCClassDecl) t).sym);
54            }
55        }
56    }
57
58    public Set<ClassSymbol> getClassSymbols() {
59        return classSymbols;
60    }
61}
62