/*
* FindBugs - Find bugs in Java programs
* Copyright (C) 2004, University of Maryland
*
* 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.HashSet;
import org.dom4j.DocumentException;
import edu.umd.cs.findbugs.AnalysisError;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.DetectorFactoryCollection;
import edu.umd.cs.findbugs.FindBugs;
import edu.umd.cs.findbugs.Project;
import edu.umd.cs.findbugs.ProjectStats;
import edu.umd.cs.findbugs.SortedBugCollection;
import edu.umd.cs.findbugs.config.CommandLine;
/**
* Compute the union of two sets of bug results, preserving annotations.
*/
public class UnionResults {
static class UnionResultsCommandLine extends CommandLine {
public String outputFile;
boolean withMessages;
UnionResultsCommandLine() {
addSwitch("-withMessages", "Generated XML should contain msgs for external processing");
addOption("-output", "outputFile", "File in which to store combined results");
}
/*
* (non-Javadoc)
*
* @see
* edu.umd.cs.findbugs.config.CommandLine#handleOption(java.lang.String,
* java.lang.String)
*/
@Override
protected void handleOption(String option, String optionExtraPart) throws IOException {
if (option.equals("-withMessages")) {
withMessages = true;
} else {
throw new IllegalArgumentException("Unknown option : " + option);
}
}
/*
* (non-Javadoc)
*
* @see
* edu.umd.cs.findbugs.config.CommandLine#handleOptionWithArgument(java
* .lang.String, java.lang.String)
*/
@Override
protected void handleOptionWithArgument(String option, String argument) throws IOException {
if (option.equals("-output")) {
outputFile = argument;
} else {
throw new IllegalArgumentException("Unknown option : " + option);
}
}
}
static {
DetectorFactoryCollection.instance(); // as a side effect, loads
// detector plugins
}
static public SortedBugCollection union(SortedBugCollection origCollection, SortedBugCollection newCollection) {
SortedBugCollection result = origCollection.duplicate();
merge(null, result, newCollection);
return result;
}
static public void merge(HashSet<String> hashes, SortedBugCollection into, SortedBugCollection from) {
for (BugInstance bugInstance : from.getCollection()) {
if (hashes == null || hashes.add(bugInstance.getInstanceHash())) {
into.add(bugInstance);
}
}
ProjectStats stats = into.getProjectStats();
ProjectStats stats2 = from.getProjectStats();
stats.addStats(stats2);
Project project = into.getProject();
Project project2 = from.getProject();
project.add(project2);
for(AnalysisError error : from.getErrors()) {
into.addError(error);
}
return;
}
public static void main(String[] argv) throws IOException {
FindBugs.setNoAnalysis();
final UnionResultsCommandLine commandLine = new UnionResultsCommandLine();
int argCount = commandLine.parse(argv, 2, Integer.MAX_VALUE, "Usage: " + UnionResults.class.getName()
+ " [options] [<results1> <results2> ... <resultsn>] ");
SortedBugCollection results = null;
HashSet<String> hashes = new HashSet<String>();
for (int i = argCount; i < argv.length; i++) {
try {
SortedBugCollection more = new SortedBugCollection();
more.readXML(argv[i]);
if (results == null) {
results = more.createEmptyCollectionWithMetadata();
}
merge(hashes, results, more);
} catch (IOException e) {
System.err.println("Trouble reading/parsing " + argv[i]);
} catch (DocumentException e) {
System.err.println("Trouble reading/parsing " + argv[i]);
}
}
if (results == null) {
System.err.println("No files successfully read");
System.exit(1);
return;
}
results.setWithMessages(commandLine.withMessages);
if (commandLine.outputFile == null) {
results.writeXML(System.out);
} else {
results.writeXML(commandLine.outputFile);
}
}
}