/* * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.tools; import java.util.ArrayList; import java.util.Collections; import java.util.List; /** * Provides an easy way to collect diagnostics in a list. * * @param <S> the type of source objects used by diagnostics received * by this object * * @author Peter von der Ahé * @since 1.6 */ public final class DiagnosticCollector<S> implements DiagnosticListener<S> { private List<Diagnostic<? extends S>> diagnostics = Collections.synchronizedList(new ArrayList<Diagnostic<? extends S>>()); public void report(Diagnostic<? extends S> diagnostic) { diagnostic.getClass(); // null check diagnostics.add(diagnostic); } /** * Gets a list view of diagnostics collected by this object. * * @return a list view of diagnostics */ public List<Diagnostic<? extends S>> getDiagnostics() { return Collections.unmodifiableList(diagnostics); } }