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/*
* Copyright (c) 2001-2004 Ant-Contrib project. All rights reserved.
*
* 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 net.sf.antcontrib.perf;
import java.util.Hashtable;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
/**
* Assists in timing tasks and/or targets.
* <p>Developed for use with Antelope, migrated to ant-contrib Oct 2003.
* @author Dale Anson, danson@germane-software.com
* @version $Revision: 1.5 $
*/
public class StopWatchTask extends Task {
// storage for stopwatch name
private String name = null;
// storage for action
private String action = null;
// storage for watches
private static Hashtable watches = null;
// action definitions
private static final String STOP = "stop";
private static final String START = "start";
private static final String ELAPSED = "elapsed";
private static final String TOTAL = "total";
public void setName( String name ) {
this.name = name;
}
public void setAction( String action ) {
action = action.toLowerCase();
if ( action.equals( STOP ) ||
action.equals( START ) ||
action.equals( ELAPSED ) ||
action.equals( TOTAL ) ) {
this.action = action;
}
else {
throw new BuildException( "invalid action: " + action );
}
}
public void execute() {
if ( name == null )
throw new BuildException( "name is null" );
if ( action == null )
action = START;
if ( watches == null )
watches = new Hashtable();
StopWatch sw = ( StopWatch ) watches.get( name );
if ( sw == null && action.equals( START ) ) {
sw = new StopWatch( name );
watches.put( name, sw );
return ;
}
if ( sw == null )
return ;
if ( action.equals( START) ) {
sw.start();
return;
}
if ( action.equals( STOP ) ) {
sw.stop();
return ;
}
if ( action.equals( TOTAL ) ) {
String time = sw.format( sw.total() );
log( "[" + name + ": " + time + "]" );
getProject().setProperty(name, time);
return ;
}
if ( action.equals( ELAPSED ) ) {
String time = sw.format( sw.elapsed() );
log( "[" + name + ": " + time + "]" );
getProject().setProperty(name, time);
return ;
}
}
}
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