/**
* Computes content encoding from request and if not found uses pageEncoding and formEncoding to
* see if URL was previously computed with a content type
*
* @param request {@link HttpRequestHdr}
* @param pageEncodings Map<String, String>
* @param formEncodings Map<String, String>
* @return String content encoding
*/
protected String computeContentEncoding(
HttpRequestHdr request,
Map<String, String> pageEncodings,
Map<String, String> formEncodings,
String urlWithoutQuery) {
// Check if the request itself tells us what the encoding is
String contentEncoding = null;
String requestContentEncoding =
ConversionUtils.getEncodingFromContentType(request.getContentType());
if (requestContentEncoding != null) {
contentEncoding = requestContentEncoding;
} else {
// Check if we know the encoding of the page
if (pageEncodings != null) {
synchronized (pageEncodings) {
contentEncoding = pageEncodings.get(urlWithoutQuery);
}
}
// Check if we know the encoding of the form
if (formEncodings != null) {
synchronized (formEncodings) {
String formEncoding = formEncodings.get(urlWithoutQuery);
// Form encoding has priority over page encoding
if (formEncoding != null) {
contentEncoding = formEncoding;
}
}
}
}
return contentEncoding;
}
/** {@inheritDoc} */
@Override
public Iterator<URL> getEmbeddedResourceURLs(
String userAgent, byte[] html, URL baseUrl, URLCollection urls, String encoding)
throws HTMLParseException {
Pattern pattern = null;
Perl5Matcher matcher = null;
try {
matcher = JMeterUtils.getMatcher();
PatternMatcherInput input = localInput.get();
// TODO: find a way to avoid the cost of creating a String here --
// probably a new PatternMatcherInput working on a byte[] would do
// better.
input.setInput(new String(html, encoding));
pattern =
JMeterUtils.getPatternCache()
.getPattern(
REGEXP,
Perl5Compiler.CASE_INSENSITIVE_MASK
| Perl5Compiler.SINGLELINE_MASK
| Perl5Compiler.READ_ONLY_MASK);
while (matcher.contains(input, pattern)) {
MatchResult match = matcher.getMatch();
String s;
if (log.isDebugEnabled()) {
log.debug("match groups " + match.groups() + " " + match.toString());
}
// Check for a BASE HREF:
for (int g = 1; g <= NUM_BASE_GROUPS && g <= match.groups(); g++) {
s = match.group(g);
if (s != null) {
if (log.isDebugEnabled()) {
log.debug("new baseUrl: " + s + " - " + baseUrl.toString());
}
try {
baseUrl = ConversionUtils.makeRelativeURL(baseUrl, s);
} catch (MalformedURLException e) {
// Doesn't even look like a URL?
// Maybe it isn't: Ignore the exception.
if (log.isDebugEnabled()) {
log.debug("Can't build base URL from RL " + s + " in page " + baseUrl, e);
}
}
}
}
for (int g = NUM_BASE_GROUPS + 1; g <= match.groups(); g++) {
s = match.group(g);
if (s != null) {
if (log.isDebugEnabled()) {
log.debug("group " + g + " - " + match.group(g));
}
urls.addURL(s, baseUrl);
}
}
}
return urls.iterator();
} catch (UnsupportedEncodingException e) {
throw new HTMLParseException(e.getMessage(), e);
} catch (MalformedCachePatternException e) {
throw new HTMLParseException(e.getMessage(), e);
} finally {
JMeterUtils.clearMatcherMemory(matcher, pattern);
}
}
