use pattern and matcher instead of string matches, to improve performance

This commit is contained in:
Sebastian Sdorra
2017-06-01 16:27:20 +02:00
parent d9486ba8ba
commit 2a8cfc00d8

View File

@@ -57,6 +57,7 @@ import sonia.scm.web.lfs.servlet.LfsServletFactory;
//~--- JDK imports ------------------------------------------------------------
import java.io.IOException;
import java.util.regex.Pattern;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
@@ -73,15 +74,15 @@ public class ScmGitServlet extends GitServlet
{
/** Field description */
public static final String REGEX_GITHTTPBACKEND =
"(?x)^/git/(.*/(HEAD|info/refs|objects/(info/[^/]+|[0-9a-f]{2}/[0-9a-f]{38}|pack/pack-[0-9a-f]{40}\\.(pack|idx))|git-(upload|receive)-pack))$";
public static final Pattern REGEX_GITHTTPBACKEND = Pattern.compile(
"(?x)^/git/(.*/(HEAD|info/refs|objects/(info/[^/]+|[0-9a-f]{2}/[0-9a-f]{38}|pack/pack-[0-9a-f]{40}\\.(pack|idx))|git-(upload|receive)-pack))$"
);
/** Field description */
private static final long serialVersionUID = -7712897339207470674L;
/** the logger for ScmGitServlet */
private static final Logger logger =
getLogger(ScmGitServlet.class);
private static final Logger logger = getLogger(ScmGitServlet.class);
//~--- constructors ---------------------------------------------------------
@@ -165,26 +166,27 @@ public class ScmGitServlet extends GitServlet
* </ul>
*/
private void handleRequest(HttpServletRequest request, HttpServletResponse response, Repository repository) throws ServletException, IOException {
logger.trace("--- Repository is: {}", repository.getName());
logger.trace("handle git repository at {}", repository.getName());
if (isLfsBatchApiRequest(request, repository.getName())) {
logger.trace("--- detected LFS Batch API Request");
logger.trace("handle lfs batch api request");
handleGitLfsRequest(request, response, repository);
} else if (isLfsFileTransferRequest(request, repository.getName())) {
logger.trace("--- detected LFS File Transfer Request");
logger.trace("handle lfs file transfer request");
handleGitLfsRequest(request, response, repository);
} else if (isRegularGitAPIRequest(request)) {
logger.trace("--- seems to be regular Git HTTP backend request: {}", request.getRequestURI());
logger.trace("handle regular git request");
// continue with the regular git Backend
handleRegularGitRequest(request, response, repository);
} else {
renderHtmlRepositryOverview(request, response);
logger.trace("handle browser request");
handleBrowserRequest(request, response, repository);
}
}
private boolean isRegularGitAPIRequest(HttpServletRequest request) {
return HttpUtil.getStrippedURI(request).matches(REGEX_GITHTTPBACKEND);
return REGEX_GITHTTPBACKEND.matcher(HttpUtil.getStrippedURI(request)).matches();
}
private void handleGitLfsRequest(HttpServletRequest request, HttpServletResponse response, Repository repository) throws ServletException, IOException {
@@ -214,28 +216,11 @@ public class ScmGitServlet extends GitServlet
* @throws IOException
* @throws ServletException
*/
private void renderHtmlRepositryOverview(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
sonia.scm.repository.Repository scmRepository = repositoryProvider.get();
if (scmRepository != null)
{
try
{
repositoryViewer.handleRequest(request, response, scmRepository);
}
catch (RepositoryException ex)
{
throw new ServletException("could not create repository view", ex);
}
catch (IOException ex)
{
throw new ServletException("could not create repository view", ex);
}
}
else
{
response.sendError(HttpServletResponse.SC_NOT_FOUND);
private void handleBrowserRequest(HttpServletRequest request, HttpServletResponse response, Repository repository) throws ServletException, IOException {
try {
repositoryViewer.handleRequest(request, response, repository);
} catch (RepositoryException | IOException ex) {
throw new ServletException("could not create repository view", ex);
}
}