1 | /* |
2 | * Copyright 2006 Sun Microsystems, Inc. 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. Sun designates this |
8 | * particular file as subject to the "Classpath" exception as provided |
9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
23 | * have any questions. |
24 | */ |
25 | |
26 | package javax.tools; |
27 | |
28 | import java.util.ArrayList; |
29 | import java.util.Collections; |
30 | import java.util.List; |
31 | |
32 | /** |
33 | * Provides an easy way to collect diagnostics in a list. |
34 | * |
35 | * @param <S> the type of source objects used by diagnostics received |
36 | * by this object |
37 | * |
38 | * @author Peter von der Ahé |
39 | * @since 1.6 |
40 | */ |
41 | public final class DiagnosticCollector<S> implements DiagnosticListener<S> { |
42 | private List<Diagnostic<? extends S>> diagnostics = |
43 | Collections.synchronizedList(new ArrayList<Diagnostic<? extends S>>()); |
44 | |
45 | public void report(Diagnostic<? extends S> diagnostic) { |
46 | diagnostic.getClass(); // null check |
47 | diagnostics.add(diagnostic); |
48 | } |
49 | |
50 | /** |
51 | * Gets a list view of diagnostics collected by this object. |
52 | * |
53 | * @return a list view of diagnostics |
54 | */ |
55 | public List<Diagnostic<? extends S>> getDiagnostics() { |
56 | return Collections.unmodifiableList(diagnostics); |
57 | } |
58 | } |