Example usage for org.apache.commons.logging ExtendedLogUtils thrownLogging

Introduction

In this page you can find the example usage for org.apache.commons.logging ExtendedLogUtils thrownLogging.

Prototype

public static final <T extends Throwable> T thrownLogging(Log logger, Level level, String msg, T thrown) 

Source Link

Usage

From source file:net.community.chest.gitcloud.facade.frontend.git.GitController.java

private void serveRequest(RequestMethod method, HttpServletRequest req, HttpServletResponse rsp)
        throws IOException, ServletException {
    if (logger.isDebugEnabled()) {
        logger.debug("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "]");
    }//from w  w  w . ja va2s .  c  om

    if ((loopRetryTimeout > 0L) && (!loopDetected)) {
        long now = System.currentTimeMillis(), diff = now - initTimestamp;
        if ((diff > 0L) && (diff < loopRetryTimeout)) {
            try {
                MBeanInfo mbeanInfo = mbeanServer.getMBeanInfo(new ObjectName(
                        "net.community.chest.gitcloud.facade.backend.git:name=BackendRepositoryResolver"));
                if (mbeanInfo != null) {
                    logger.info("serveRequest(" + method + ")[" + req.getRequestURI() + "]["
                            + req.getQueryString() + "]" + " detected loop: " + mbeanInfo.getClassName() + "["
                            + mbeanInfo.getDescription() + "]");
                    loopDetected = true;
                }
            } catch (JMException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("serveRequest(" + method + ")[" + req.getRequestURI() + "]["
                            + req.getQueryString() + "]" + " failed " + e.getClass().getSimpleName()
                            + " to detect loop: " + e.getMessage());
                }
            }
        }
    }

    ResolvedRepositoryData repoData = resolveTargetRepository(method, req);
    if (repoData == null) {
        throw ExtendedLogUtils.thrownLogging(logger, Level.WARNING,
                "serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "]",
                new NoSuchElementException("Failed to resolve repository"));
    }

    String username = authenticate(req);
    // TODO check if the user is allowed to access the repository via the resolve operation (push/pull) if at all (e.g., private repo)
    logger.info("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "] user="
            + username);

    /*
     * NOTE: this feature requires enabling cross-context forwarding.
     * In Tomcat, the 'crossContext' attribute in 'Context' element of
     * 'TOMCAT_HOME\conf\context.xml' must be set to true, to enable cross-context 
     */
    if (loopDetected) {
        // TODO see if can find a more efficient way than splitting and re-constructing
        URI uri = repoData.getRepoLocation();
        ServletContext curContext = req.getServletContext();
        String urlPath = uri.getPath(), urlQuery = uri.getQuery();
        String[] comps = StringUtils.split(urlPath, '/');
        String appName = comps[0];
        ServletContext loopContext = Validate.notNull(curContext.getContext("/" + appName),
                "No cross-context for %s", appName);
        // build the relative path in the re-directed context
        StringBuilder sb = new StringBuilder(
                urlPath.length() + 1 + (StringUtils.isEmpty(urlQuery) ? 0 : urlQuery.length()));
        for (int index = 1; index < comps.length; index++) {
            sb.append('/').append(comps[index]);
        }
        if (!StringUtils.isEmpty(urlQuery)) {
            sb.append('?').append(urlQuery);
        }

        String redirectPath = sb.toString();
        RequestDispatcher dispatcher = Validate.notNull(loopContext.getRequestDispatcher(redirectPath),
                "No dispatcher for %s", redirectPath);
        dispatcher.forward(req, rsp);
        if (logger.isDebugEnabled()) {
            logger.debug("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString()
                    + "]" + " forwarded to " + loopContext.getContextPath() + "/" + redirectPath);
        }
    } else {
        executeRemoteRequest(method, repoData.getRepoLocation(), req, rsp);
    }
}

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From source file:net.community.chest.gitcloud.facade.frontend.git.GitController.java

private ResolvedRepositoryData resolveTargetRepository(RequestMethod method, HttpServletRequest req)
        throws IOException {
    ResolvedRepositoryData repoData = new ResolvedRepositoryData();
    String op = StringUtils.trimToEmpty(req.getParameter("service")), uriPath = req.getPathInfo();
    if (StringUtils.isEmpty(op)) {
        int pos = uriPath.lastIndexOf('/');
        if ((pos > 0) && (pos < (uriPath.length() - 1))) {
            op = uriPath.substring(pos + 1);
        }/*from   ww  w  .j  av a 2  s  .  com*/
    }

    if (!ALLOWED_SERVICES.contains(op)) {
        throw ExtendedLogUtils.thrownLogging(logger, Level.WARNING,
                "resolveTargetRepository(" + method + " " + uriPath + ")",
                new UnsupportedOperationException("Unsupported operation: " + op));
    }
    repoData.setOperation(op);

    String repoName = extractRepositoryName(uriPath);
    if (StringUtils.isEmpty(repoName)) {
        throw ExtendedLogUtils.thrownLogging(logger, Level.WARNING,
                "resolveTargetRepository(" + method + " " + uriPath + ")",
                new IllegalArgumentException("Failed to extract repo name from " + uriPath));
    }
    repoData.setRepoName(repoName);

    // TODO access an injected resolver that returns the back-end location URL
    String query = req.getQueryString();
    try {
        if (StringUtils.isEmpty(query)) {
            repoData.setRepoLocation(new URI("http://localhost:8080/git-backend/git" + uriPath));
        } else {
            repoData.setRepoLocation(new URI("http://localhost:8080/git-backend/git" + uriPath + "?" + query));
        }
    } catch (URISyntaxException e) {
        throw new MalformedURLException(e.getClass().getSimpleName() + ": " + e.getMessage());
    }

    return repoData;
}

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