Example usage for java.lang StringBuilder lastIndexOf

Introduction

In this page you can find the example usage for java.lang StringBuilder lastIndexOf.

Prototype

@Override
    public int lastIndexOf(String str, int fromIndex) 

Source Link

Usage

From source file:org.webcurator.ui.tools.controller.BrowseController.java

/**
 * The handle method is the entry method into the browse controller.
 *//* w  w  w.j  a  v  a2  s.  c  om*/
@Override
protected ModelAndView handle(HttpServletRequest req, HttpServletResponse res, Object comm,
        BindException errors) throws Exception {

    // Cast the command to the correct command type.
    BrowseCommand command = (BrowseCommand) comm;

    // Build a command with the items from the URL.
    String base = req.getContextPath() + req.getServletPath();

    String line = req.getRequestURI().substring(base.length());

    Matcher matcher = p.matcher(line);
    if (matcher.matches()) {
        command.setHrOid(Long.parseLong(matcher.group(1)));
        command.setResource(matcher.group(2));
    }

    if (req.getQueryString() != null) {
        command.setResource(command.getResource() + "?" + req.getQueryString());
    }

    // Check if the command is prefixed with a forward slash.
    if (command.getResource().startsWith("/")) {
        command.setResource(command.getResource().substring(1));
    }

    // Now make sure that the domain name is in lowercase.
    Pattern urlBreakerPattern = Pattern.compile("(.*?)://(.*?)/(.*)");
    Matcher urlBreakerMatcher = urlBreakerPattern.matcher(command.getResource());
    if (urlBreakerMatcher.matches()) {
        command.setResource(urlBreakerMatcher.group(1) + "://" + urlBreakerMatcher.group(2).toLowerCase() + "/"
                + urlBreakerMatcher.group(3));
    }

    // Load the HarvestResourceDTO from the quality review facade.
    HarvestResourceDTO dto = qualityReviewFacade.getHarvestResourceDTO(command.getHrOid(),
            command.getResource());

    // If the resource is not found, go to an error page.
    if (dto == null) {
        log.debug("Resource not found: " + command.getResource());
        return new ModelAndView("browse-tool-not-found", "resourceName", command.getResource());
    } else {
        Header[] headers = null;
        // catch any DigitalAssetStoreException and log assumptions
        try {
            headers = qualityReviewFacade.getHttpHeaders(dto);
        } catch (DigitalAssetStoreException e) {
            log.info("Failed to get header for ti " + dto.getTargetInstanceOid());
            // throw new DigitalAssetStoreException(e);
        } catch (Exception e) {
            log.error("Unexpected exception encountered when retrieving WARC headers for ti "
                    + dto.getTargetInstanceOid());
            throw new Exception(e);
        }

        // Send the headers for a redirect.
        if (dto.getStatusCode() == HttpServletResponse.SC_MOVED_TEMPORARILY
                || dto.getStatusCode() == HttpServletResponse.SC_MOVED_PERMANENTLY) {
            res.setStatus(dto.getStatusCode());
            String location = getHeaderValue(headers, "Location");
            if (location != null) {
                String newUrl = browseHelper.convertUrl(command.getHrOid(), command.getResource(), location);
                res.setHeader("Location", newUrl);
            }
        }

        // Get the content type.
        String realContentType = getHeaderValue(headers, "Content-Type");
        String simpleContentType = this.getSimpleContentType(realContentType);

        String charset = null;
        if (realContentType != null) {
            Matcher charsetMatcher = CHARSET_PATTERN.matcher(realContentType);
            if (charsetMatcher.find()) {
                charset = charsetMatcher.group(1);
                log.debug("Desired charset: " + charset + " for " + command.getResource());
            } else {
                log.debug("No charset: " + charset + " (" + command.getResource());
            }
        }

        // If the content has been registered with the browseHelper to
        // require replacements, load the content and perform the
        // necessary replacements.
        if (browseHelper.isReplaceable(simpleContentType)) {
            StringBuilder content = null;

            try {
                content = readFile(dto, charset);
            } catch (DigitalAssetStoreException e) {
                if (log.isWarnEnabled()) {
                    log.warn(e.getMessage());
                }
            }
            ModelAndView mav = new ModelAndView("browse-tool-html");

            if (content != null) {
                // We might need to use a different base URL if a BASE HREF
                // tag
                // is used. We use the TagMagix class to perform the search.
                // Note that TagMagix leaves leading/trailing slashes on the
                // URL, so we need to do that
                String baseUrl = command.getResource();
                Pattern baseUrlGetter = BrowseHelper.getTagMagixPattern("BASE", "HREF");
                Matcher m = baseUrlGetter.matcher(content);
                if (m.find()) {
                    String u = m.group(1);
                    if (u.startsWith("\"") && u.endsWith("\"") || u.startsWith("'") && u.endsWith("'")) {

                        // Ensure the detected Base HREF is not commented
                        // out (unusual case, but we have seen it).
                        int lastEndComment = content.lastIndexOf("-->", m.start());
                        int lastStartComment = content.lastIndexOf("<!--", m.start());
                        if (lastStartComment < 0 || lastEndComment > lastStartComment) {
                            baseUrl = u.substring(1, u.length() - 1);
                        }
                    }

                }

                browseHelper.fix(content, simpleContentType, command.getHrOid(), baseUrl);
                mav.addObject("content", content.toString());
            } else {
                mav.addObject("content", "");
            }

            mav.addObject("Content-Type", realContentType);
            return mav;
        }

        // If there are no replacements, send the content back directly.
        else {
            if (dto.getLength() > MAX_MEMORY_SIZE) {
                Date dt = new Date();
                File f = qualityReviewFacade.getResource(dto);
                ModelAndView mav = new ModelAndView("browse-tool-other");
                mav.addObject("file", f);
                mav.addObject("contentType", realContentType);

                log.info("TIME TO GET RESOURCE(old): " + (new Date().getTime() - dt.getTime()));
                return mav;
            } else {
                Date dt = new Date();
                byte[] bytesBuffer = null;
                try {
                    bytesBuffer = qualityReviewFacade.getSmallResource(dto);
                } catch (org.webcurator.core.exceptions.DigitalAssetStoreException e) {
                    if (log.isWarnEnabled()) {
                        log.warn("Could not retrieve resource: " + dto.getName());
                    }
                }
                ModelAndView mav = new ModelAndView("browse-tool-other-small");
                mav.addObject("bytesBuffer", bytesBuffer);
                mav.addObject("contentType", realContentType);
                log.debug("TIME TO GET RESOURCE(new): " + (new Date().getTime() - dt.getTime()));
                return mav;
            }
        }
    }
}

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