Examples with Range com.liferay.portal.kernel.servlet.Range used on opensource projects

Example 1 with Range

use of com.liferay.portal.kernel.servlet.Range in project liferay-ide by liferay.

the class WebServerServlet method sendFile.

protected void sendFile(HttpServletRequest request, HttpServletResponse response, User user, String[] pathArray) throws Exception {
    FileEntry fileEntry = getFileEntry(pathArray);
    if (fileEntry == null) {
        throw new NoSuchFileEntryException();
    }
    String version = ParamUtil.getString(request, "version");
    if (Validator.isNull(version)) {
        if (Validator.isNotNull(fileEntry.getVersion())) {
            version = fileEntry.getVersion();
        }
    }
    String tempFileId = DLUtil.getTempFileId(fileEntry.getFileEntryId(), version);
    FileVersion fileVersion = fileEntry.getFileVersion(version);
    String fileName = fileVersion.getTitle();
    String extension = fileVersion.getExtension();
    if (Validator.isNotNull(extension) && !fileName.endsWith(StringPool.PERIOD + extension)) {
        fileName += StringPool.PERIOD + extension;
    }
    boolean converted = false;
    String targetExtension = ParamUtil.getString(request, "targetExtension");
    int imageThumbnail = ParamUtil.getInteger(request, "imageThumbnail");
    int documentThumbnail = ParamUtil.getInteger(request, "documentThumbnail");
    int previewFileIndex = ParamUtil.getInteger(request, "previewFileIndex");
    boolean audioPreview = ParamUtil.getBoolean(request, "audioPreview");
    boolean videoPreview = ParamUtil.getBoolean(request, "videoPreview");
    int videoThumbnail = ParamUtil.getInteger(request, "videoThumbnail");
    InputStream inputStream = null;
    long contentLength = 0;
    if ((imageThumbnail > 0) && (imageThumbnail <= 3)) {
        fileName = FileUtil.stripExtension(fileName).concat(StringPool.PERIOD).concat(fileVersion.getExtension());
        int thumbnailIndex = imageThumbnail - 1;
        inputStream = ImageProcessorUtil.getThumbnailAsStream(fileVersion, thumbnailIndex);
        contentLength = ImageProcessorUtil.getThumbnailFileSize(fileVersion, thumbnailIndex);
        converted = true;
    } else if ((documentThumbnail > 0) && (documentThumbnail <= 3)) {
        fileName = FileUtil.stripExtension(fileName).concat(StringPool.PERIOD).concat(PDFProcessorImpl.THUMBNAIL_TYPE);
        int thumbnailIndex = documentThumbnail - 1;
        inputStream = PDFProcessorUtil.getThumbnailAsStream(fileVersion, thumbnailIndex);
        contentLength = PDFProcessorUtil.getThumbnailFileSize(fileVersion, thumbnailIndex);
        converted = true;
    } else if (previewFileIndex > 0) {
        fileName = FileUtil.stripExtension(fileName).concat(StringPool.PERIOD).concat(PDFProcessorImpl.PREVIEW_TYPE);
        inputStream = PDFProcessorUtil.getPreviewAsStream(fileVersion, previewFileIndex);
        contentLength = PDFProcessorUtil.getPreviewFileSize(fileVersion, previewFileIndex);
        converted = true;
    } else if (audioPreview) {
        fileName = FileUtil.stripExtension(fileName).concat(StringPool.PERIOD).concat(AudioProcessor.PREVIEW_TYPE);
        inputStream = AudioProcessorUtil.getPreviewAsStream(fileVersion);
        contentLength = AudioProcessorUtil.getPreviewFileSize(fileVersion);
        converted = true;
    } else if (videoPreview) {
        String type = ParamUtil.getString(request, "type");
        fileName = FileUtil.stripExtension(fileName).concat(StringPool.PERIOD).concat(type);
        inputStream = VideoProcessorUtil.getPreviewAsStream(fileVersion, type);
        contentLength = VideoProcessorUtil.getPreviewFileSize(fileVersion, type);
        response.setHeader(HttpHeaders.ACCEPT_RANGES, HttpHeaders.ACCEPT_RANGES_BYTES_VALUE);
        List<Range> ranges = null;
        try {
            ranges = ServletResponseUtil.getRanges(request, response, contentLength);
        } catch (IOException ioe) {
            if (_log.isErrorEnabled()) {
                _log.error(ioe);
            }
            response.setHeader(HttpHeaders.CONTENT_RANGE, "bytes */" + contentLength);
            response.sendError(HttpServletResponse.SC_REQUESTED_RANGE_NOT_SATISFIABLE);
            return;
        }
        if ((ranges != null) && (ranges.size() > 0)) {
            if (_log.isDebugEnabled()) {
                _log.debug("Video range requested");
            }
            String contentType = MimeTypesUtil.getContentType(fileName);
            ServletResponseUtil.write(request, response, fileName, ranges, inputStream, contentLength, contentType);
            return;
        }
        converted = true;
    } else if ((videoThumbnail > 0) && (videoThumbnail <= 3)) {
        fileName = FileUtil.stripExtension(fileName).concat(StringPool.PERIOD).concat(VideoProcessorImpl.THUMBNAIL_TYPE);
        int thumbnailIndex = videoThumbnail - 1;
        inputStream = VideoProcessorUtil.getThumbnailAsStream(fileVersion, thumbnailIndex);
        contentLength = VideoProcessorUtil.getThumbnailFileSize(fileVersion, thumbnailIndex);
        converted = true;
    } else {
        inputStream = fileVersion.getContentStream(true);
        contentLength = fileVersion.getSize();
        if (Validator.isNotNull(targetExtension)) {
            File convertedFile = DocumentConversionUtil.convert(tempFileId, inputStream, extension, targetExtension);
            if (convertedFile != null) {
                fileName = FileUtil.stripExtension(fileName).concat(StringPool.PERIOD).concat(targetExtension);
                inputStream = Files.newInputStream(convertedFile.toPath());
                contentLength = convertedFile.length();
                converted = true;
            }
        }
    }
    String contentType = null;
    if (converted) {
        contentType = MimeTypesUtil.getContentType(fileName);
    } else {
        contentType = fileVersion.getMimeType();
    }
    ServletResponseUtil.sendFile(request, response, fileName, inputStream, contentLength, contentType);
}