| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.tools.ant.listener; |
| |
| import java.util.Date; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.tools.ant.BuildEvent; |
| import org.apache.tools.ant.DefaultLogger; |
| import org.apache.tools.ant.util.StringUtils; |
| |
| /** |
| * This is a special logger that is designed to profile builds. |
| * |
| * @since Ant1.8 |
| */ |
| public class ProfileLogger extends DefaultLogger { |
| |
| private Map<Object, Date> profileData = new ConcurrentHashMap<Object, Date>(); |
| |
| /** |
| * Logs a message to say that the target has started. |
| * |
| * @param event |
| * An event with any relevant extra information. Must not be |
| * <code>null</code>. |
| */ |
| public void targetStarted(BuildEvent event) { |
| Date now = new Date(); |
| String name = "Target " + event.getTarget().getName(); |
| logStart(event, now, name); |
| profileData.put(event.getTarget(), now); |
| } |
| |
| /** |
| * Logs a message to say that the target has finished. |
| * |
| * @param event |
| * An event with any relevant extra information. Must not be |
| * <code>null</code>. |
| */ |
| public void targetFinished(BuildEvent event) { |
| Date start = (Date) profileData.remove(event.getTarget()); |
| String name = "Target " + event.getTarget().getName(); |
| logFinish(event, start, name); |
| } |
| |
| /** |
| * Logs a message to say that the task has started. |
| * |
| * @param event |
| * An event with any relevant extra information. Must not be |
| * <code>null</code>. |
| */ |
| public void taskStarted(BuildEvent event) { |
| String name = event.getTask().getTaskName(); |
| Date now = new Date(); |
| logStart(event, now, name); |
| profileData.put(event.getTask(), now); |
| } |
| |
| /** |
| * Logs a message to say that the task has finished. |
| * |
| * @param event |
| * An event with any relevant extra information. Must not be |
| * <code>null</code>. |
| */ |
| public void taskFinished(BuildEvent event) { |
| Date start = (Date) profileData.remove(event.getTask()); |
| String name = event.getTask().getTaskName(); |
| logFinish(event, start, name); |
| } |
| |
| private void logFinish(BuildEvent event, Date start, String name) { |
| Date now = new Date(); |
| String msg = null; |
| if (start != null) { |
| long diff = now.getTime() - start.getTime(); |
| msg = StringUtils.LINE_SEP + name + ": finished " + now + " (" |
| + diff + "ms)"; |
| } else { |
| msg = StringUtils.LINE_SEP + name + ": finished " + now |
| + " (unknown duration, start not detected)"; |
| } |
| printMessage(msg, out, event.getPriority()); |
| log(msg); |
| } |
| |
| private void logStart(BuildEvent event, Date start, String name) { |
| String msg = StringUtils.LINE_SEP + name + ": started " + start; |
| printMessage(msg, out, event.getPriority()); |
| log(msg); |
| } |
| |
| } |