public static Collection<Statistic> merge(Collection<Statistic>... results) {
Collection<Statistic> newResults = new ArrayList<Statistic>();
if (results.length == 0) {
return Collections.emptySet();
} else if (results.length == 1) {
return results[0];
} else {
List<String> indivNames = new ArrayList<String>();
for (Collection<Statistic> result : results) {
for (Statistic individual : result) {
if (!indivNames.contains(individual.name)) {
indivNames.add(individual.name);
}
}
}
for (String indivName : indivNames) {
Statistic indivStat = new Statistic(indivName);
for (Collection<Statistic> result : results) {
for (Statistic individual : result) {
if (indivName.equals(individual.name)) {
indivStat.add(individual);
}
}
}
newResults.add(indivStat);
}
return newResults;
}
}
public static Statistic total(Collection<Statistic>... results) {
Collection<Statistic> merged = merge(results);
Statistic total = new Statistic("");
for (Statistic individual : merged) {
total.add(individual);
}
return total;
}
public static Collection<Statistic> parse(File inFile)
throws IOException, XmlPullParserException {
Collection<Statistic> results = new ArrayList<Statistic>();
FileInputStream fis = null;
BufferedInputStream bis = null;
try {
fis = new FileInputStream(inFile);
bis = new BufferedInputStream(fis);
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
XmlPullParser parser = factory.newPullParser();
parser.setInput(bis, null);
// check that the first tag is <javancss>
expectNextTag(parser, "javancss");
// skip until we get to the <packages> tag
while (parser.getDepth() > 0
&& (parser.getEventType() != XmlPullParser.START_TAG
|| !"packages".equals(parser.getName()))) {
parser.next();
}
while (parser.getDepth() > 0
&& (parser.getEventType() != XmlPullParser.START_TAG
|| !"package".equals(parser.getName()))) {
parser.next();
}
while (parser.getDepth() >= 2
&& parser.getEventType() == XmlPullParser.START_TAG
&& "package".equals(parser.getName())) {
Map<String, String> data = new HashMap<String, String>();
String lastTag = null;
String lastText = null;
int depth = parser.getDepth();
while (parser.getDepth() >= depth) {
parser.next();
switch (parser.getEventType()) {
case XmlPullParser.START_TAG:
lastTag = parser.getName();
break;
case XmlPullParser.TEXT:
lastText = parser.getText();
break;
case XmlPullParser.END_TAG:
if (parser.getDepth() == 4 && lastTag != null && lastText != null) {
data.put(lastTag, lastText);
}
lastTag = null;
lastText = null;
break;
}
}
if (data.containsKey("name")) {
Statistic s = new Statistic(data.get("name"));
s.setClasses(Long.valueOf(data.get("classes")));
s.setFunctions(Long.valueOf(data.get("functions")));
s.setNcss(Long.valueOf(data.get("ncss")));
s.setJavadocs(Long.valueOf(data.get("javadocs")));
s.setJavadocLines(Long.valueOf(data.get("javadoc_lines")));
s.setSingleCommentLines(Long.valueOf(data.get("single_comment_lines")));
s.setMultiCommentLines(Long.valueOf(data.get("multi_comment_lines")));
results.add(s);
}
parser.next();
}
} catch (XmlPullParserException e) {
throw new IOException2(e);
} finally {
if (bis != null) {
bis.close();
}
if (fis != null) {
fis.close();
}
}
return results;
}