11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2008 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.testing; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 197dd252788645e940eada959bdde927426e2531c9Paul Duffinimport static com.google.common.base.Preconditions.checkNotNull; 207dd252788645e940eada959bdde927426e2531c9Paul Duffin 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.annotations.Beta; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.annotations.GwtCompatible; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.ArrayList; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.LinkedList; 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.List; 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.logging.Level; 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.logging.Logger; 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A {@code TearDownStack} contains a stack of {@link TearDown} instances. 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Kevin Bourrillion 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @since 10.0 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert@Beta 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert@GwtCompatible 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class TearDownStack implements TearDownAccepter { 390888a09821a98ac0680fad765217302858e70fa4Paul Duffin private static final Logger logger = Logger.getLogger(TearDownStack.class.getName()); 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert final LinkedList<TearDown> stack = new LinkedList<TearDown>(); 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private final boolean suppressThrows; 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public TearDownStack() { 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.suppressThrows = false; 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public TearDownStack(boolean suppressThrows) { 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.suppressThrows = suppressThrows; 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public final void addTearDown(TearDown tearDown) { 557dd252788645e940eada959bdde927426e2531c9Paul Duffin stack.addFirst(checkNotNull(tearDown)); 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Causes teardown to execute. 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public final void runTearDown() { 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert List<Throwable> exceptions = new ArrayList<Throwable>(); 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (TearDown tearDown : stack) { 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert tearDown.tearDown(); 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (Throwable t) { 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (suppressThrows) { 680888a09821a98ac0680fad765217302858e70fa4Paul Duffin logger.log(Level.INFO, "exception thrown during tearDown", t); 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } else { 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert exceptions.add(t); 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert stack.clear(); 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if ((!suppressThrows) && (exceptions.size() > 0)) { 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert throw ClusterException.create(exceptions); 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 80