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/*
* 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.qpid.disttest.charting.definition;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileFilter;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import org.apache.qpid.disttest.charting.ChartType;
import org.apache.qpid.disttest.charting.ChartingException;
public class ChartingDefinitionCreator
{
public static final String CHARTDEF_FILE_EXTENSION = ".chartdef";
public static final String CHART_TYPE_KEY = "chartType";
public static final String CHART_TITLE_KEY = "chartTitle";
public static final String CHART_SUBTITLE_KEY = "chartSubtitle";
public static final String XAXIS_TITLE_KEY = "xAxisTitle";
public static final String YAXIS_TITLE_KEY = "yAxisTitle";
private SeriesDefinitionCreator _seriesDefinitionCreator = new SeriesDefinitionCreator();
public List<ChartingDefinition> createFromFileOrDirectory(String chartingDefinitionFileOrDirectory)
{
List<ChartingDefinition> definitions = new ArrayList<ChartingDefinition>();
File fileOrDirectory = new File(chartingDefinitionFileOrDirectory);
if (fileOrDirectory.isDirectory())
{
File[] matchingFiles = fileOrDirectory.listFiles(new CHARTDEF_FILE_FILTER());
for (File file : matchingFiles)
{
final ChartingDefinition chartDefinition = createChartDefinition(file);
definitions.add(chartDefinition);
}
}
else
{
final ChartingDefinition chartDefinition = createChartDefinition(fileOrDirectory);
definitions.add(chartDefinition);
}
return definitions;
}
private ChartingDefinition createChartDefinition(File file)
{
Reader reader = null;
try
{
reader = new BufferedReader(new FileReader(file));
Properties props = new Properties();
props.load(reader);
final String chartStemName = getStemNameFrom(file);
final ChartType chartType = ChartType.valueOf(props.getProperty(CHART_TYPE_KEY));
final String chartTitle = props.getProperty(CHART_TITLE_KEY);
final String chartSubtitle = props.getProperty(CHART_SUBTITLE_KEY);
final String xAxisTitle = props.getProperty(XAXIS_TITLE_KEY);
final String yAxisTitle = props.getProperty(YAXIS_TITLE_KEY);
final List<SeriesDefinition> seriesDefinitions = createSeriesDefinitions(props);
final ChartingDefinition chartDefinition = new ChartingDefinition(chartStemName,
chartType,
chartTitle,
chartSubtitle,
xAxisTitle,
yAxisTitle, seriesDefinitions);
return chartDefinition;
}
catch (IOException e)
{
throw new ChartingException("Unable to open file " + file, e);
}
finally
{
if (reader != null)
{
try
{
reader.close();
}
catch (IOException e)
{
throw new ChartingException(e);
}
}
}
}
private String getStemNameFrom(File file)
{
final String nameWithExtension = file.getName();
final String nameWithoutExtensionPart = nameWithExtension.replaceAll("\\.[^\\.]*$", "");
return nameWithoutExtensionPart;
}
private List<SeriesDefinition> createSeriesDefinitions(Properties props)
{
return _seriesDefinitionCreator.createFromProperties(props);
}
private final class CHARTDEF_FILE_FILTER implements FileFilter
{
@Override
public boolean accept(File pathname)
{
return pathname.isFile() && pathname.getName().endsWith(CHARTDEF_FILE_EXTENSION);
}
}
}
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