/*
* FindBugs - Find bugs in Java programs
* Copyright (C) 2003-2005 William Pugh
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.workflow;
import java.io.IOException;
import java.util.Map;
import java.util.TreeMap;
import org.dom4j.DocumentException;
import edu.umd.cs.findbugs.BugCollection;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.DetectorFactoryCollection;
import edu.umd.cs.findbugs.PackageStats;
import edu.umd.cs.findbugs.SortedBugCollection;
import edu.umd.cs.findbugs.util.ClassName;
/**
* Java main application to compute update a historical bug collection with
* results from another build/analysis.
*
* @author William Pugh
*/
public class CountByPackagePrefix {
/**
*
*/
private static final String USAGE = "Usage: <cmd> " + " <prefixLength> [<bugs.xml>]";
public static void main(String[] args) throws IOException, DocumentException {
DetectorFactoryCollection.instance();
if (args.length != 1 && args.length != 2) {
System.out.println(USAGE);
return;
}
int prefixLength = Integer.parseInt(args[0]);
BugCollection origCollection = new SortedBugCollection();
if (args.length == 1) {
origCollection.readXML(System.in);
} else {
origCollection.readXML(args[1]);
}
Map<String, Integer> map = new TreeMap<String, Integer>();
Map<String, Integer> ncss = new TreeMap<String, Integer>();
for (BugInstance b : origCollection.getCollection()) {
String prefix = ClassName.extractPackagePrefix(b.getPrimaryClass().getPackageName(), prefixLength);
Integer v = map.get(prefix);
if (v == null) {
map.put(prefix, 1);
} else {
map.put(prefix, v + 1);
}
}
for (PackageStats ps : origCollection.getProjectStats().getPackageStats()) {
String prefix = ClassName.extractPackagePrefix(ps.getPackageName(), prefixLength);
Integer v = ncss.get(prefix);
if (v == null) {
ncss.put(prefix, ps.size());
} else {
ncss.put(prefix, v + ps.size());
}
}
for (Map.Entry<String, Integer> e : map.entrySet()) {
String prefix = e.getKey();
int warnings = e.getValue();
if (warnings == 0) {
continue;
}
Integer v = ncss.get(prefix);
if (v == null || v.intValue() == 0) {
v = 1;
}
int density = warnings * 1000000 / v;
if (warnings < 3 || v < 2000) {
System.out.printf("%4s %4d %4d %s%n", " ", warnings, v / 1000, prefix);
} else {
System.out.printf("%4d %4d %4d %s%n", density, warnings, v / 1000, prefix);
}
}
}
}