| 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 | } |