| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.googlesource.gerrit.plugins.its.testutil.log; |
| |
| import com.google.common.collect.Lists; |
| |
| import org.apache.log4j.AppenderSkeleton; |
| import org.apache.log4j.spi.LoggingEvent; |
| |
| import java.util.Collection; |
| import java.util.LinkedList; |
| |
| /** |
| * Log4j appender that logs into a list |
| */ |
| public class CollectionAppender extends AppenderSkeleton { |
| private Collection<LoggingEvent> events; |
| |
| public CollectionAppender() { |
| events = new LinkedList<LoggingEvent>(); |
| } |
| |
| public CollectionAppender(Collection<LoggingEvent> events) { |
| this.events = events; |
| } |
| |
| @Override |
| public boolean requiresLayout() { |
| return false; |
| } |
| |
| @Override |
| protected void append(LoggingEvent event) { |
| if (! events.add(event)) { |
| throw new RuntimeException("Could not append event " + event); |
| } |
| } |
| |
| @Override |
| public void close() { |
| } |
| |
| public Collection<LoggingEvent> getLoggedEvents() { |
| return Lists.newLinkedList(events); |
| } |
| } |