/*
* The MIT License
*
* Copyright (c) 2015 The Broad Institute
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package picard.analysis;
import htsjdk.samtools.metrics.MetricsFile;
import htsjdk.samtools.util.IOUtil;
import htsjdk.samtools.util.Log;
import picard.PicardException;
import picard.cmdline.CommandLineProgram;
import picard.cmdline.CommandLineProgramProperties;
import picard.cmdline.PositionalArguments;
import picard.cmdline.programgroups.Metrics;
import java.io.File;
import java.io.FileReader;
import java.util.List;
/**
* Compare two metrics files.
*/
@CommandLineProgramProperties(
usage = CompareMetrics.USAGE_SUMMARY + CompareMetrics.USAGE_DETAIL,
usageShort = CompareMetrics.USAGE_SUMMARY,
programGroup = Metrics.class
)
public class CompareMetrics extends CommandLineProgram {
static final String USAGE_SUMMARY = "Compare two metrics files.";
static final String USAGE_DETAIL = "This tool compares the metrics and histograms generated from metric tools to determine " +
"if the generated results are identical. This tool is useful to test and compare outputs when code changes are implemented. It is not meant for use by end-users of this toolkit.<br /><br /> " +
"The tool's output simply indicates whether two metrics files are equal or not equal. <br /> " +
"<h4>Usage example:</h4>" +
"<pre>" +
"java -jar picard.jar CompareMetrics \\<br />" +
" metricfile1.txt \\<br />" +
" metricfile2.txt" +
"</pre>" +
"<hr />";
@PositionalArguments(minElements = 2, maxElements = 2)
public List<File> metricsFiles;
private static final Log log = Log.getInstance(CompareMetrics.class);
@Override
protected int doWork() {
IOUtil.assertFilesAreReadable(metricsFiles);
final MetricsFile<?, ?> metricsA = new MetricsFile();
final MetricsFile<?, ?> metricsB = new MetricsFile();
try {
metricsA.read(new FileReader(metricsFiles.get(0)));
metricsB.read(new FileReader(metricsFiles.get(1)));
final boolean areEqual = metricsA.areMetricsEqual(metricsB) && metricsA.areHistogramsEqual(metricsB);
final String status = areEqual ? "EQUAL" : "NOT EQUAL";
log.info("Files " + metricsFiles.get(0) + " and " + metricsFiles.get(1) + "are " + status);
} catch (final Exception e) {
throw new PicardException(e.getMessage());
}
return 0;
}
public static void main(String[] argv) {
new CompareMetrics().instanceMainWithExit(argv);
}
}