src/share/classes/javax/tools/DiagnosticCollector.java

changeset 0
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1 /*
2 * Copyright (c) 2006, 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 */
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 Ah&eacute;
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 }

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