/*
* PropertyFileStaticDataCollector, a collector for data
* to display in static charts.
* Copyright (C) 2004 - 2011 Achim Westermann, created on 10.12.2004, 13:48:55
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* If you modify or optimize the code in a useful way please let me know.
* Achim.Westermann@gmx.de
*
*/
package info.monitorenter.gui.chart.io;
import info.monitorenter.gui.chart.ITrace2D;
import info.monitorenter.gui.chart.ITracePoint2D;
import info.monitorenter.gui.chart.TracePoint2D;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
/**
* Data collector that collects data in form of
* {@link info.monitorenter.gui.chart.ITracePoint2D} instances from a property
* file ( {@link java.util.Properties}).
* <p>
*
* @author Achim Westermann
*/
public class PropertyFileStaticDataCollector extends AStaticDataCollector {
/**
* The input stream in {@link java.util.Properties} format where
* {@link info.monitorenter.gui.chart.TracePoint2D} are parsed from.
* <p>
*/
private InputStream m_source;
/**
* Constructor with target trace and property file.
* <p>
*
* @param trace
* the target trace to add data to.
*
* @param propertyFileStream
* the stream of the file in the {@link java.util.Properties}
* format where {@link info.monitorenter.gui.chart.TracePoint2D}
* instances (key is x, value is y) is parsed from.
*/
public PropertyFileStaticDataCollector(final ITrace2D trace, final InputStream propertyFileStream) {
super(trace);
this.m_source = propertyFileStream;
}
/**
* @see info.monitorenter.gui.chart.io.AStaticDataCollector#collectData()
*/
@Override
public void collectData() throws FileNotFoundException, IOException {
Properties props = new Properties();
props.load(this.m_source);
Set<Map.Entry<Object, Object>> entries = props.entrySet();
List<ITracePoint2D> sortList = new LinkedList<ITracePoint2D>();
for (Map.Entry<Object, Object> entry : entries) {
sortList.add(new TracePoint2D(Double.parseDouble((String) entry.getKey()), Double
.parseDouble((String) entry.getValue())));
}
Collections.sort(sortList);
for (ITracePoint2D point : sortList) {
this.m_trace.addPoint(point);
}
}
}