Example usage for com.liferay.portal.kernel.portlet PortletResponseUtil sendFile

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.portlet PortletResponseUtil sendFile.

Prototype

public static void sendFile(PortletRequest portletRequest, MimeResponse mimeResponse, String fileName,
            InputStream inputStream, int contentLength, String contentType, String contentDispositionType)
            throws IOException 

Source Link

Usage

From source file:com.liferay.document.library.web.internal.portlet.action.DownloadEntriesMVCResourceCommand.java

License:Open Source License

protected void downloadFileEntries(ResourceRequest resourceRequest, ResourceResponse resourceResponse)
        throws Exception {

    ThemeDisplay themeDisplay = (ThemeDisplay) resourceRequest.getAttribute(WebKeys.THEME_DISPLAY);

    long folderId = ParamUtil.getLong(resourceRequest, "folderId");

    File file = null;//from   www  .  jav a2s . c om
    InputStream inputStream = null;

    try {
        List<FileEntry> fileEntries = ActionUtil.getFileEntries(resourceRequest);

        List<FileShortcut> fileShortcuts = ActionUtil.getFileShortcuts(resourceRequest);

        List<Folder> folders = ActionUtil.getFolders(resourceRequest);

        if (fileEntries.isEmpty() && fileShortcuts.isEmpty() && folders.isEmpty()) {

            return;
        } else if ((fileEntries.size() == 1) && fileShortcuts.isEmpty() && folders.isEmpty()) {

            FileEntry fileEntry = fileEntries.get(0);

            PortletResponseUtil.sendFile(resourceRequest, resourceResponse, fileEntry.getFileName(),
                    fileEntry.getContentStream(), 0, fileEntry.getMimeType(),
                    HttpHeaders.CONTENT_DISPOSITION_ATTACHMENT);
        } else if ((fileShortcuts.size() == 1) && fileEntries.isEmpty() && folders.isEmpty()) {

            FileShortcut fileShortcut = fileShortcuts.get(0);

            FileEntry fileEntry = _dlAppService.getFileEntry(fileShortcut.getToFileEntryId());

            PortletResponseUtil.sendFile(resourceRequest, resourceResponse, fileEntry.getFileName(),
                    fileEntry.getContentStream(), 0, fileEntry.getMimeType(),
                    HttpHeaders.CONTENT_DISPOSITION_ATTACHMENT);
        } else {
            String zipFileName = getZipFileName(folderId, themeDisplay);

            ZipWriter zipWriter = ZipWriterFactoryUtil.getZipWriter();

            for (FileEntry fileEntry : fileEntries) {
                zipFileEntry(fileEntry, StringPool.SLASH, zipWriter);
            }

            for (FileShortcut fileShortcut : fileShortcuts) {
                FileEntry fileEntry = _dlAppService.getFileEntry(fileShortcut.getToFileEntryId());

                zipFileEntry(fileEntry, StringPool.SLASH, zipWriter);
            }

            for (Folder folder : folders) {
                zipFolder(folder.getRepositoryId(), folder.getFolderId(),
                        StringPool.SLASH.concat(folder.getName()), zipWriter);
            }

            file = zipWriter.getFile();

            inputStream = new FileInputStream(file);

            PortletResponseUtil.sendFile(resourceRequest, resourceResponse, zipFileName, inputStream,
                    ContentTypes.APPLICATION_ZIP);
        }
    } finally {
        StreamUtil.cleanUp(inputStream);

        if (file != null) {
            file.delete();
        }
    }
}

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From source file:com.liferay.marketplace.store.web.internal.portlet.RemoteMVCPortlet.java

License:Open Source License

protected void remoteServeResource(ResourceRequest resourceRequest, ResourceResponse resourceResponse)
        throws Exception {

    ThemeDisplay themeDisplay = (ThemeDisplay) resourceRequest.getAttribute(WebKeys.THEME_DISPLAY);

    OAuthRequest oAuthRequest = new OAuthRequest(Verb.GET, getServerPortletURL());

    setRequestParameters(resourceRequest, resourceResponse, oAuthRequest);

    addOAuthParameter(oAuthRequest, "p_p_lifecycle", "2");
    addOAuthParameter(oAuthRequest, "p_p_resource_id", resourceRequest.getResourceID());

    Response response = getResponse(themeDisplay.getUser(), oAuthRequest);

    String contentType = response.getHeader(HttpHeaders.CONTENT_TYPE);

    if (contentType.startsWith(ContentTypes.APPLICATION_OCTET_STREAM)) {
        String contentDisposition = response.getHeader(HttpHeaders.CONTENT_DISPOSITION);
        int contentLength = GetterUtil.getInteger(response.getHeader(HttpHeaders.CONTENT_LENGTH));

        PortletResponseUtil.sendFile(resourceRequest, resourceResponse, getFileName(contentDisposition),
                response.getStream(), contentLength, contentType, HttpHeaders.CONTENT_DISPOSITION_ATTACHMENT);
    } else {/*from ww  w . j a v  a 2  s .co  m*/
        resourceResponse.setContentType(contentType);

        PortletResponseUtil.write(resourceResponse, response.getStream());
    }
}

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