1. 包列表
  2. 类列表
  3. com.vaadin.server.FileDownloader

Java 类com.vaadin.server.FileDownloader 实例源码

项目：osc-core    文件：SummaryLayout.java    
@SuppressWarnings("serial")
private Button createDownloadButton() {
    this.download = new Button(VmidcMessages.getString(VmidcMessages_.SUMMARY_DOWNLOAD_LOG)) {
        @Override
        public void setEnabled(boolean enabled) {
            if (enabled) {
                // because setEnabled(false) calls are ignored and button is disabled
                // on client because of setDisableOnClick(true), by doing this we
                // make sure that the button is actually disabled so that setEnabled(true)
                // has effect
                getUI().getConnectorTracker().getDiffState(this).put("enabled", false);
                super.setEnabled(enabled);
            }
        }
    };
    SummaryLayout.this.download.setDisableOnClick(true);
    if (this.checkbox != null && this.checkbox.getValue()) {
        this.download.setCaption(VmidcMessages.getString(VmidcMessages_.SUMMARY_DOWNLOAD_BUNDLE));
    }
    StreamResource zipStream = getZipStream();
    FileDownloader fileDownloader = new FileDownloader(zipStream);
    fileDownloader.extend(this.download);
    return this.download;
}
项目：kumoreg    文件：ExportView.java    
@PostConstruct
public void init() {
    VerticalLayout layout = new VerticalLayout();
    layout.setSpacing(true);
    layout.setWidthUndefined();
    layout.addComponent(attendeeExportBtn);
    FileDownloader attendeeDownloader = new FileDownloader(handler.createAttendeeExport(this));
    attendeeDownloader.extend(attendeeExportBtn);

    layout.addComponent(tillExportBtn);
    FileDownloader tillDownloader = new FileDownloader(handler.createTillExport(this));
    tillDownloader.extend(tillExportBtn);

    layout.setComponentAlignment(attendeeExportBtn, Alignment.TOP_CENTER);
    layout.setComponentAlignment(tillExportBtn, Alignment.TOP_CENTER);
    addComponent(layout);
}
项目：incubator-openaz    文件：PolicyEditor.java    
protected void initializeDownload() {
    //
    // Create a stream resource pointing to the file
    //
    StreamResource r = new StreamResource(new StreamResource.StreamSource() {
        private static final long serialVersionUID = 1L;

        @Override
        public InputStream getStream() {
            try {
                return new FileInputStream(self.file);
            } catch (Exception e) {
                logger.error("Failed to open input stream " + self.file);
            }
            return null;
        }
    }, self.file.getName());
    r.setCacheTime(-1);
    r.setMIMEType("application/xml");
    //
    // Extend a downloader to attach to the Export Button
    //
    FileDownloader downloader = new FileDownloader(r);
    downloader.extend(this.buttonExport);
}
项目：kumoreg    文件：ExportView.java    
@PostConstruct
public void init() {
    VerticalLayout layout = new VerticalLayout();
    layout.setSpacing(true);
    layout.setWidthUndefined();
    layout.addComponent(attendeeExportBtn);
    FileDownloader attendeeDownloader = new FileDownloader(handler.createAttendeeExport(this));
    attendeeDownloader.extend(attendeeExportBtn);

    layout.addComponent(tillExportBtn);
    FileDownloader tillDownloader = new FileDownloader(handler.createTillExport(this));
    tillDownloader.extend(tillExportBtn);

    layout.setComponentAlignment(attendeeExportBtn, Alignment.TOP_CENTER);
    layout.setComponentAlignment(tillExportBtn, Alignment.TOP_CENTER);
    addComponent(layout);
}
项目：metl    文件：ExploreDirectoryView.java    
protected Component fileLinkComponent(Table source, Object itemId, Object propertyId) {
    if (itemId instanceof FileInfo) {
        final FileInfo file = (FileInfo) itemId;
        if (!file.isDirectory()) {
            final Button button = new Button(file.getName());
            button.addStyleName(ValoTheme.BUTTON_LINK);
            button.addStyleName(ValoTheme.BUTTON_SMALL);
            button.setIcon(FontAwesome.FILE);
            StreamResource resource = new StreamResource(() -> stream(file), file.getName());
            FileDownloader fileDownloader = new FileDownloader(resource);
            fileDownloader.extend(button);
            return button;
        } else {
            return new Label(file.getName());
        }
    } else {
        return new Label(((DirectoryResource) itemId).getName());

    }
}
项目：XACML    文件：PolicyEditor.java    
protected void initializeDownload() {
    //
    // Create a stream resource pointing to the file
    //
    StreamResource r = new StreamResource(new StreamResource.StreamSource() {
        private static final long serialVersionUID = 1L;

        @Override
        public InputStream getStream() {
            try {
                return new FileInputStream(self.file);
            } catch (Exception e) {
                logger.error("Failed to open input stream " + self.file);
            }
            return null;
        }
    }, self.file.getName());
    r.setCacheTime(-1);
    r.setMIMEType("application/xml");
    //
    // Extend a downloader to attach to the Export Button
    //
    FileDownloader downloader = new FileDownloader(r);
    downloader.extend(this.buttonExport);
}
项目：extacrm    文件：DownloadFileWindow.java    
private FileDownloader createDownloader(final byte[] file, final String fileName) {

        // Подготовить имя файла
        final String webFileName = encodeWebFileName(fileName);


        return new OnDemandFileDownloader(new OnDemandFileDownloader.OnDemandStreamResource() {
            @Override
            public String getFilename() {
                return webFileName;
            }

            @Override
            public InputStream getStream() {
                return new ByteArrayInputStream(file);
            }
        });
//        return new FileDownloader(
//                new StreamResource(new StreamResource.StreamSource() {
//                    @Override
//                    public InputStream getStream() {
//                        return new ByteArrayInputStream(file);
//                    }
//
//                }, webFileName));
    }
项目：mideaas    文件：ZipPlugin.java    
/**
 * Zips project.
 *
 * @param projectName the name of the project to be zipped
 */
protected void zipProject() {
    try {
        File zipFile = File.createTempFile("mideaas-"+project.getName(), ".zip");

        zipProjectToFile(zipFile, settings);
        FileResource zip = new FileResource(zipFile);
        FileDownloader fd = new FileDownloader(zip);
        Button downloadButton = new Button("Download project");
        fd.extend(downloadButton);

        //filedonwnloader can not be connected to menuitem :( So I connected it to popupwindow :)
        Window zipButtonWindow = new Window();
        zipButtonWindow.setCaption("Zip and download project");
        zipButtonWindow.setWidth(200, Unit.PIXELS);
        zipButtonWindow.setContent(downloadButton);
        UI.getCurrent().addWindow(zipButtonWindow);
    } catch (IOException e) {
        e.printStackTrace();
        Notification.show("Error: " + e.getMessage(), Notification.Type.ERROR_MESSAGE);
    }

}
项目：osc-core    文件：PluginsLayout.java    
private Button getDownloadSdkButtonForSdnController() throws URISyntaxException, MalformedURLException {
    SdkUtil sdkUtil = new SdkUtil();
    Button downloadSdk = new Button(VmidcMessages.getString(VmidcMessages_.MAINTENANCE_SDNPLUGIN_DOWNLOAD_SDK));
    URI currentLocation = UI.getCurrent().getPage().getLocation();
    URI downloadLocation = new URI(currentLocation.getScheme(), null, currentLocation.getHost(),
            currentLocation.getPort(), sdkUtil.getSdk(SdkUtil.sdkType.SDN_CONTROLLER), null, null);
    FileDownloader downloader = new FileDownloader(new ExternalResource(downloadLocation.toURL().toString()));
    downloader.extend(downloadSdk);
    return downloadSdk;
}
项目：osc-core    文件：PluginsLayout.java    
private Button getDownloadSdkButtonForManager() throws URISyntaxException, MalformedURLException {
    SdkUtil sdkUtil = new SdkUtil();
    Button downloadSdk = new Button(VmidcMessages.getString(VmidcMessages_.MAINTENANCE_MANAGERPLUGIN_DOWNLOAD_SDK));
    URI currentLocation = UI.getCurrent().getPage().getLocation();
    URI downloadLocation = new URI(currentLocation.getScheme(), null, currentLocation.getHost(),
            currentLocation.getPort(), sdkUtil.getSdk(SdkUtil.sdkType.MANAGER), null, null);
    FileDownloader downloader = new FileDownloader(new ExternalResource(downloadLocation.toURL().toString()));
    downloader.extend(downloadSdk);
    return downloadSdk;
}
项目：Persephone    文件：LogsPage.java    
private Button getDownloadButton(Application app) {
    // Download logs button : download file
    StreamResource resource = getLogsStream(app);

    // Download logs button
    Button downloadButton = new Button("Download full logfile");

    FileDownloader fileDownloader = new FileDownloader(resource);
    fileDownloader.setOverrideContentType(false);
    fileDownloader.extend(downloadButton);

    // Download logs button : on click
    downloadButton.addClickListener(e -> fileDownloader.setFileDownloadResource(getLogsStream(app)));
    return downloadButton;
}
项目：s3browser    文件：BrowseUI.java    
private void updateDetails(ListEntry item) {
    LOG.info("Display details for {}", item);

    ObjectMetadata objectMetadata = s3Client.getObjectMetadata(item.getBucket(), item.getKey());

    VerticalLayout detailsContent = new VerticalLayout();
    detailsContent.setSpacing(true);
    detailsContent.setMargin(true);
    Label caption = new Label(item.getKey());
    caption.addStyleName(ValoTheme.LABEL_H3);
    detailsContent.addComponent(caption);

    if (objectMetadata.getLastModified() != null) {
        detailsContent.addComponent(buildDetailsTextField("LastModified", objectMetadata.getLastModified().toString()));
    }
    detailsContent.addComponent(buildDetailsTextField("ContentLength", Long.toString(objectMetadata.getContentLength())));
    if (objectMetadata.getContentType() != null) {
        detailsContent.addComponent(buildDetailsTextField("ContentType", objectMetadata.getContentType()));
    }
    if (objectMetadata.getETag() != null) {
        detailsContent.addComponent(buildDetailsTextField("ETag", objectMetadata.getETag()));
    }

    Button downloadButton = new Button("Download");

    FileDownloader fileDownloader = new FileDownloader(new StreamResource(() -> {
        LOG.info("Download {}/{}", item.getBucket(), item.getKey());
        return s3Client.getObject(item.getBucket(), item.getKey()).getObjectContent();
    }, item.getKey()));
    fileDownloader.extend(downloadButton);
    detailsContent.addComponent(downloadButton);

    details.setContent(detailsContent);
}
项目：jain-I18n    文件：JDownloader.java    
/**
 * Download actual file
 */
public void download() {
    StreamResource resource = new StreamResource(source, fileName);
    resource.getStream().setParameter("Content-Disposition", "attachment;filename=\"" + fileName + "\"");
    resource.setMIMEType ("application/octet-stream");
    resource.setCacheTime (0);
    FileDownloader downloader = new FileDownloader(resource); 
    downloader.extend(ui);
}
项目：sqlexplorer-vaadin    文件：ReadOnlyTextAreaDialog.java    
private void buildDownloadButton(String title) {
    downloadButton = new Button("Download");
    final byte[] lobData = getLobData(title);
    if (lobData != null) {
    Resource resource = new StreamResource(new StreamSource() {

    private static final long serialVersionUID = 1L;

    public InputStream getStream() {
        return new ByteArrayInputStream(lobData);
    }

}, title);
    FileDownloader fileDownloader = new FileDownloader(resource);
    fileDownloader.extend(downloadButton);
    buttonLayout.addComponent(downloadButton);
    buttonLayout.setComponentAlignment(downloadButton, Alignment.BOTTOM_CENTER);

    long fileSize = lobData.length;
    String sizeText = fileSize + " Bytes";
    if (fileSize / 1024 > 0) {
        sizeText = Math.round(fileSize / 1024.0) + " kB";
        fileSize /= 1024;
    }
    if (fileSize / 1024 > 0) {
        sizeText = Math.round(fileSize / 1024.0) + " MB";
        fileSize /= 1024;
    }
    if (fileSize / 1024 > 0) {
        sizeText = Math.round(fileSize / 1024.0) + " GB";
    }
    Label sizeLabel = new Label(sizeText);
    buttonLayout.addComponent(sizeLabel);
    buttonLayout.setExpandRatio(sizeLabel, 1.0f);
    buttonLayout.setComponentAlignment(sizeLabel, Alignment.BOTTOM_CENTER);
    }
 }
项目：mycollab    文件：FollowingTicketViewImpl.java    
@Override
public void initContent() {
    removeAllComponents();
    MHorizontalLayout header = new MHorizontalLayout().withFullWidth();

    ELabel layoutHeader = ELabel.h2(String.format("%s %s", FontAwesome.EYE.getHtml(), UserUIContext.getMessage(FollowerI18nEnum
            .OPT_MY_FOLLOWING_TICKETS, 0))).withWidthUndefined();

    Button exportBtn = new Button(UserUIContext.getMessage(GenericI18Enum.ACTION_EXPORT), clickEvent -> exportButtonControl.setPopupVisible(true));
    exportButtonControl = new SplitButton(exportBtn);
    exportButtonControl.addStyleName(WebThemes.BUTTON_OPTION);
    exportButtonControl.setIcon(FontAwesome.EXTERNAL_LINK);

    OptionPopupContent popupButtonsControl = new OptionPopupContent();
    exportButtonControl.setContent(popupButtonsControl);

    Button exportPdfBtn = new Button(UserUIContext.getMessage(FileI18nEnum.PDF));
    FileDownloader pdfDownloader = new FileDownloader(constructStreamResource(ReportExportType.PDF));
    pdfDownloader.extend(exportPdfBtn);
    exportPdfBtn.setIcon(FontAwesome.FILE_PDF_O);
    popupButtonsControl.addOption(exportPdfBtn);

    Button exportExcelBtn = new Button(UserUIContext.getMessage(FileI18nEnum.EXCEL));
    FileDownloader excelDownloader = new FileDownloader(constructStreamResource(ReportExportType.EXCEL));
    excelDownloader.extend(exportExcelBtn);
    exportExcelBtn.setIcon(FontAwesome.FILE_EXCEL_O);
    popupButtonsControl.addOption(exportExcelBtn);

    header.with(layoutHeader, exportButtonControl).withAlign(layoutHeader, Alignment.MIDDLE_LEFT).withAlign(exportButtonControl,
            Alignment.MIDDLE_RIGHT);
    this.addComponent(layoutHeader);

    searchPanel = new FollowingTicketSearchPanel();
    this.addComponent(searchPanel);

    this.ticketTable = new FollowingTicketTableDisplay();
    this.ticketTable.setMargin(new MarginInfo(true, false, false, false));
    this.addComponent(this.ticketTable);
}
项目：hypothesis    文件：AbstractManagementPresenter.java    
private Component buildExportButton() {
    Button exportButton = new Button(Messages.getString("Caption.Button.Export"));
    Resource exportResource = getExportResource();
    FileDownloader fileDownloader = new FileDownloader(exportResource);
    fileDownloader.extend(exportButton);
    return exportButton;
}
项目：crawling-framework    文件：NamedQueryImportExport.java    
public NamedQueryImportExport() {
    setSizeFull();
    setSpacing(true);
    setMargin(true);

    Panel importPanel = new Panel("Import");
    importPanel.setSizeFull();

    Panel exportPanel = new Panel("Export");
    exportPanel.setSizeFull();

    VerticalLayout exportLayout = new VerticalLayout();
    exportLayout.setSizeFull();
    exportLayout.setMargin(true);
    exportLayout.setSpacing(true);
    Button exportButton = new Button("Export Named Queries");
    exportLayout.addComponent(exportButton);

    StreamResource streamResource = getNamedQueriesExportStream();
    FileDownloader fileDownloader = new FileDownloader(streamResource);
    fileDownloader.extend(exportButton);

    exportPanel.setContent(exportLayout);
    addComponent(exportPanel);

    FormLayout importLayout = new FormLayout();
    importLayout.setSizeFull();
    importLayout.setMargin(true);
    importLayout.setSpacing(true);
    importLayout.addComponent(cleanBeforeImportCheckbox);

    CSVReceiver uploadReceiver = new CSVReceiver();
    Upload upload = new Upload("", uploadReceiver);
    upload.setButtonCaption("Import Named Queries");
    upload.addStyleName(ValoTheme.BUTTON_LARGE);
    upload.addStyleName(ValoTheme.BUTTON_FRIENDLY);
    upload.addSucceededListener(uploadReceiver);
    upload.addFailedListener(uploadReceiver);

    importLayout.addComponent(upload);
    importPanel.setContent(importLayout);

    addComponent(importPanel);
}
项目：crawling-framework    文件：HttpSourceImportExport.java    
public HttpSourceImportExport() {
    setSizeFull();
    setSpacing(true);
    setMargin(true);

    Panel importPanel = new Panel("Import");
    importPanel.setSizeFull();

    Panel exportPanel = new Panel("Export");
    exportPanel.setSizeFull();

    VerticalLayout exportLayout = new VerticalLayout();
    exportLayout.setSizeFull();
    exportLayout.setMargin(true);
    exportLayout.setSpacing(true);
    Button exportButton = new Button("Export HTTP Sources");
    exportLayout.addComponent(exportButton);

    StreamResource streamResource = getHttpSourcesExportStream();
    FileDownloader fileDownloader = new FileDownloader(streamResource);
    fileDownloader.extend(exportButton);

    exportPanel.setContent(exportLayout);
    addComponent(exportPanel);

    FormLayout importLayout = new FormLayout();
    importLayout.setSizeFull();
    importLayout.setMargin(true);
    importLayout.setSpacing(true);
    importLayout.addComponent(cleanBeforeImportCheckbox);

    CSVReceiver uploadReceiver = new CSVReceiver();
    Upload upload = new Upload("", uploadReceiver);
    upload.setButtonCaption("Import HTTP Sources");
    upload.addStyleName(ValoTheme.BUTTON_LARGE);
    upload.addStyleName(ValoTheme.BUTTON_FRIENDLY);
    upload.addSucceededListener(uploadReceiver);
    upload.addFailedListener(uploadReceiver);

    importLayout.addComponent(upload);
    importPanel.setContent(importLayout);

    addComponent(importPanel);
}
项目：crawling-framework    文件：HttpSourceTestImportExport.java    
public HttpSourceTestImportExport() {
    setSizeFull();
    setSpacing(true);
    setMargin(true);

    Panel importPanel = new Panel("Import");
    importPanel.setSizeFull();

    Panel exportPanel = new Panel("Export");
    exportPanel.setSizeFull();

    VerticalLayout exportLayout = new VerticalLayout();
    exportLayout.setSizeFull();
    exportLayout.setMargin(true);
    exportLayout.setSpacing(true);
    Button exportButton = new Button("Export HTTP Source Tests");
    exportLayout.addComponent(exportButton);

    StreamResource streamResource = getHttpSourcesExportStream();
    FileDownloader fileDownloader = new FileDownloader(streamResource);
    fileDownloader.extend(exportButton);

    exportPanel.setContent(exportLayout);
    addComponent(exportPanel);

    FormLayout importLayout = new FormLayout();
    importLayout.setSizeFull();
    importLayout.setMargin(true);
    importLayout.setSpacing(true);
    importLayout.addComponent(cleanBeforeImportCheckbox);

    CSVReceiver uploadReceiver = new CSVReceiver();
    Upload upload = new Upload("", uploadReceiver);
    upload.setButtonCaption("Import HTTP Source Tests");
    upload.addStyleName(ValoTheme.BUTTON_LARGE);
    upload.addStyleName(ValoTheme.BUTTON_FRIENDLY);
    upload.addSucceededListener(uploadReceiver);
    upload.addFailedListener(uploadReceiver);

    importLayout.addComponent(upload);
    importPanel.setContent(importLayout);

    addComponent(importPanel);
}
项目：kumoreg    文件：ReportWindow.java    
public ReportWindow(String title, String report) {
    super(title);

    this.title = title;

    buildWindowLayout();

    VerticalLayout verticalLayout = new VerticalLayout();
    verticalLayout.setMargin(true);
    verticalLayout.setSpacing(true);

    verticalLayout.addComponent(buildButtonBar());
    verticalLayout.addComponent(buildReportPanel(report));

    setContent(verticalLayout);

    FileDownloader downloader = new FileDownloader(getDownloadStream());
    downloader.extend(btnDownload);
}
项目：kumoreg    文件：ReportWindow.java    
public ReportWindow(String title, String report) {
    super(title);

    this.title = title;

    buildWindowLayout();

    VerticalLayout verticalLayout = new VerticalLayout();
    verticalLayout.setMargin(true);
    verticalLayout.setSpacing(true);

    verticalLayout.addComponent(buildButtonBar());
    verticalLayout.addComponent(buildReportPanel(report));

    setContent(verticalLayout);

    FileDownloader downloader = new FileDownloader(getDownloadStream());
    downloader.extend(btnDownload);
}
项目：vaadinInvoiceGenerator    文件：TitlePanel.java    
protected void setLink(File file) {
    downloadButton.setEnabled(false);
    fileDownloader = new FileDownloader(new FileResource(file));
    fileDownloader.extend(downloadButton);
    downloadButton.setEnabled(true);
}
项目：dhconvalidator    文件：PaperSelectionPanel.java    
/**
 * Setup UI.
 */
private void initComponents() {
    Label info = new Label(
        Messages.getString("PaperSelectionPanel.hintMsg"), //$NON-NLS-1$
        ContentMode.HTML); 

    languages = 
            new ComboBox(Messages.getString("PaperSelectionPanel.language"), //$NON-NLS-1$
                    Arrays.asList(SubmissionLanguage.values()));
    languages.setNullSelectionAllowed(false);
    languages.setValue(SubmissionLanguage.valueOf(PropertyKey.defaultSubmissionLanguage.getValue(SubmissionLanguage.ENGLISH.name())));

    paperTable = new Table(Messages.getString("PaperSelectionPanel.tableTitle")); //$NON-NLS-1$
    paperTable.setSelectable(true);
    paperTable.setMultiSelect(true);
    paperTable.setPageLength(4);
    paperTable.addContainerProperty("title", String.class, null); //$NON-NLS-1$
    paperTable.setColumnHeader(
        "title", 
        Messages.getString("PaperSelectionPanel.titleColumnTitle")); //$NON-NLS-1$ //$NON-NLS-2$
    paperTable.setWidth("100%"); //$NON-NLS-1$
    paperTable.setImmediate(true);

    btGenerate = new Button(
        Messages.getString(
            "PaperSelectionPanel.generateButtonCaption")); //$NON-NLS-1$
    StreamResource templateStreamResource = 
            new StreamResource(
                    new StreamSource() {
                        @Override
                        public InputStream getStream() {
                            return createTemplates();
                        }
                    }, "your_personal_dh_templates.zip" ); //$NON-NLS-1$

    templateStreamResource.setCacheTime(0);
    new FileDownloader(templateStreamResource).extend(btGenerate);

    addCenteredComponent(info);
    addCenteredComponent(languages);
    addCenteredComponent(paperTable);
    addCenteredComponent(btGenerate);

    postDownloadLabel = 
            new Label(
                Messages.getString("PaperSelectionPanel.postDownloadInfo",
                    inputConverter.getTextEditorDescription(),
                    PropertyKey.base_url.getValue()+"popup/DHConvalidatorServices#!converter"),
                ContentMode.HTML);
    postDownloadLabel.addStyleName("postDownloadInfoRedAndBold");
    postDownloadLabel.setVisible(false);

    addCenteredComponent(postDownloadLabel);

}
项目：dhconvalidator    文件：DHConvalidatorExample.java    
@Override
protected void init(VaadinRequest request) {
    try {
        Messages.setLocaleProvider(VaadinSessionLocaleProvider.INSTANCE);

        VerticalLayout content = new VerticalLayout();
        content.setMargin(true);
        content.setSpacing(true);

        setContent(content);

        HeaderPanel headerPanel  = new HeaderPanel(null);
        headerPanel.getBackLink().setVisible(false);

        content.addComponent(headerPanel);

        // prepare downloader for input file
        Button btGetInputfile = 
            new Button(
                Messages.getString("DHConvalidatorExample.btInputCaption")); //$NON-NLS-1$
        content.addComponent(btGetInputfile);

        FileDownloader inputFileDownloader = new FileDownloader(new StreamResource(
            new StreamSource() {

                @Override
                public InputStream getStream() {
                    return Thread.currentThread().getContextClassLoader().getResourceAsStream(
                        "/org/adho/dhconvalidator/conversion/example/1_Digital_Humanities.odt"); //$NON-NLS-1$
                }
            }, "1_Digital_Humanities.odt")); //$NON-NLS-1$
        inputFileDownloader.extend(btGetInputfile);

        // prepare downloader for output file
        Button btGetOutputfile = 
                new Button(
                    Messages.getString(
                        "DHConvalidatorExample.btConversionResultCaption")); //$NON-NLS-1$
        content.addComponent(btGetOutputfile);

        FileDownloader outputFileDownloader = new FileDownloader(new StreamResource(
            new StreamSource() {

                @Override
                public InputStream getStream() {
                    return Thread.currentThread().getContextClassLoader().getResourceAsStream(
                        "/org/adho/dhconvalidator/conversion/example/1_Digital_Humanities.dhc"); //$NON-NLS-1$
                }
            }, "1_Digital_Humanities.dhc")); //$NON-NLS-1$
        outputFileDownloader.extend(btGetOutputfile);

        // setup visual feedback
        Label preview = new Label("", ContentMode.HTML); //$NON-NLS-1$
        preview.addStyleName("tei-preview"); //$NON-NLS-1$
        preview.setWidth("800px"); //$NON-NLS-1$

        content.addComponent(preview);
        content.setComponentAlignment(preview, Alignment.MIDDLE_CENTER);

        ByteArrayOutputStream buffer = new ByteArrayOutputStream();

        IOUtils.copy(
            Thread.currentThread().getContextClassLoader().getResourceAsStream(
                    "/org/adho/dhconvalidator/conversion/example/1_Digital_Humanities.html"),  //$NON-NLS-1$
            buffer);

        preview.setValue(buffer.toString("UTF-8")); //$NON-NLS-1$

        Page.getCurrent().setTitle(Messages.getString("DHConvalidatorExample.title")); //$NON-NLS-1$
    }
    catch(Exception e) {
        e.printStackTrace();
    }
}
项目：mycollab    文件：FileDownloadWindow.java    
private void constructBody() {
    final MVerticalLayout layout = new MVerticalLayout().withFullWidth();
    CssLayout iconWrapper = new CssLayout();
    final ELabel iconEmbed = ELabel.fontIcon(FileAssetsUtil.getFileIconResource(content.getName()));
    iconEmbed.addStyleName("icon-48px");
    iconWrapper.addComponent(iconEmbed);
    layout.with(iconWrapper).withAlign(iconWrapper, Alignment.MIDDLE_CENTER);

    final GridFormLayoutHelper infoLayout = GridFormLayoutHelper.defaultFormLayoutHelper(1, 4);

    if (content.getDescription() != null) {
        final Label descLbl = new Label();
        if (!content.getDescription().equals("")) {
            descLbl.setData(content.getDescription());
        } else {
            descLbl.setValue(" ");
            descLbl.setContentMode(ContentMode.HTML);
        }
        infoLayout.addComponent(descLbl, UserUIContext.getMessage(GenericI18Enum.FORM_DESCRIPTION), 0, 0);
    }

    UserService userService = AppContextUtil.getSpringBean(UserService.class);
    SimpleUser user = userService.findUserByUserNameInAccount(content.getCreatedUser(), AppUI.getAccountId());
    if (user == null) {
        infoLayout.addComponent(new UserLink(UserUIContext.getUsername(), UserUIContext.getUserAvatarId(),
                UserUIContext.getUserDisplayName()), UserUIContext.getMessage(GenericI18Enum.OPT_CREATED_BY), 0, 1);
    } else {
        infoLayout.addComponent(new UserLink(user.getUsername(), user.getAvatarid(), user.getDisplayName()),
                UserUIContext.getMessage(GenericI18Enum.OPT_CREATED_BY), 0, 1);
    }

    final Label size = new Label(FileUtils.getVolumeDisplay(content.getSize()));
    infoLayout.addComponent(size, UserUIContext.getMessage(FileI18nEnum.OPT_SIZE), 0, 2);

    ELabel dateCreate = new ELabel().prettyDateTime(content.getCreated().getTime());
    infoLayout.addComponent(dateCreate, UserUIContext.getMessage(GenericI18Enum.FORM_CREATED_TIME), 0, 3);

    layout.addComponent(infoLayout.getLayout());

    MButton downloadBtn = new MButton(UserUIContext.getMessage(GenericI18Enum.BUTTON_DOWNLOAD))
            .withIcon(FontAwesome.DOWNLOAD).withStyleName(WebThemes.BUTTON_ACTION);
    List<Resource> resources = new ArrayList<>();
    resources.add(content);

    StreamResource downloadResource = StreamDownloadResourceUtil.getStreamResourceSupportExtDrive(resources);

    FileDownloader fileDownloader = new FileDownloader(downloadResource);
    fileDownloader.extend(downloadBtn);

    MButton cancelBtn = new MButton(UserUIContext.getMessage(GenericI18Enum.BUTTON_CANCEL), clickEvent -> close())
            .withStyleName(WebThemes.BUTTON_OPTION);
    final MHorizontalLayout buttonControls = new MHorizontalLayout(cancelBtn, downloadBtn);
    layout.with(buttonControls).withAlign(buttonControls, Alignment.MIDDLE_RIGHT);
    this.setContent(layout);
}
项目：mycollab    文件：AttachmentDisplayComponent.java    
private void addAttachmentRow(final Content attachment) {
    String docName = attachment.getPath();
    int lastIndex = docName.lastIndexOf("/");
    if (lastIndex != -1) {
        docName = docName.substring(lastIndex + 1, docName.length());
    }

    final AbsoluteLayout attachmentLayout = new AbsoluteLayout();
    attachmentLayout.setWidth(WebUIConstants.DEFAULT_ATTACHMENT_THUMBNAIL_WIDTH);
    attachmentLayout.setHeight(WebUIConstants.DEFAULT_ATTACHMENT_THUMBNAIL_HEIGHT);
    attachmentLayout.setStyleName("attachment-block");

    CssLayout thumbnailWrap = new CssLayout();
    thumbnailWrap.setSizeFull();
    thumbnailWrap.setStyleName("thumbnail-wrap");

    Link thumbnail = new Link();
    if (StringUtils.isBlank(attachment.getThumbnail())) {
        thumbnail.setIcon(FileAssetsUtil.getFileIconResource(attachment.getName()));
    } else {
        thumbnail.setIcon(VaadinResourceFactory.getResource(attachment.getThumbnail()));
    }

    if (MimeTypesUtil.isImageType(docName)) {
        thumbnail.setResource(VaadinResourceFactory.getResource(attachment.getPath()));
        new Fancybox(thumbnail).setPadding(0).setVersion("2.1.5").setEnabled(true).setDebug(true);
    }

    Div contentTooltip = new Div().appendChild(new Span().appendText(docName).setStyle("font-weight:bold"));
    Ul ul = new Ul().appendChild(new Li().appendText(UserUIContext.getMessage(FileI18nEnum.OPT_SIZE_VALUE,
            FileUtils.getVolumeDisplay(attachment.getSize())))).setStyle("line-height:1.5em");
    ul.appendChild(new Li().appendText(UserUIContext.getMessage(GenericI18Enum.OPT_LAST_MODIFIED,
            UserUIContext.formatPrettyTime(attachment.getLastModified().getTime()))));
    contentTooltip.appendChild(ul);
    thumbnail.setDescription(contentTooltip.write());
    thumbnail.setWidth(WebUIConstants.DEFAULT_ATTACHMENT_THUMBNAIL_WIDTH);
    thumbnailWrap.addComponent(thumbnail);

    attachmentLayout.addComponent(thumbnailWrap, "top: 0px; left: 0px; bottom: 0px; right: 0px; z-index: 0;");

    MCssLayout attachmentNameWrap = new MCssLayout().withWidth(WebUIConstants.DEFAULT_ATTACHMENT_THUMBNAIL_WIDTH)
            .withStyleName("attachment-name-wrap");

    Label attachmentName = new ELabel(docName).withStyleName(UIConstants.TEXT_ELLIPSIS);
    attachmentNameWrap.addComponent(attachmentName);
    attachmentLayout.addComponent(attachmentNameWrap, "bottom: 0px; left: 0px; right: 0px; z-index: 1;");

    MButton trashBtn = new MButton("", clickEvent -> {
        ConfirmDialogExt.show(UI.getCurrent(), UserUIContext.getMessage(GenericI18Enum.DIALOG_DELETE_TITLE,
                AppUI.getSiteName()), UserUIContext.getMessage(GenericI18Enum.CONFIRM_DELETE_ATTACHMENT),
                UserUIContext.getMessage(GenericI18Enum.ACTION_YES),
                UserUIContext.getMessage(GenericI18Enum.ACTION_NO),
                confirmDialog -> {
                    if (confirmDialog.isConfirmed()) {
                        ResourceService attachmentService = AppContextUtil.getSpringBean(ResourceService.class);
                        attachmentService.removeResource(attachment.getPath(), UserUIContext.getUsername(), true, AppUI.getAccountId());
                        ((ComponentContainer) attachmentLayout.getParent()).removeComponent(attachmentLayout);
                    }
                });
    }).withIcon(FontAwesome.TRASH_O).withStyleName("attachment-control");
    attachmentLayout.addComponent(trashBtn, "top: 9px; left: 9px; z-index: 1;");

    MButton downloadBtn = new MButton().withIcon(FontAwesome.DOWNLOAD).withStyleName("attachment-control");
    FileDownloader fileDownloader = new FileDownloader(VaadinResourceFactory.getInstance()
            .getStreamResource(attachment.getPath()));
    fileDownloader.extend(downloadBtn);
    attachmentLayout.addComponent(downloadBtn, "right: 9px; top: 9px; z-index: 1;");
    this.addComponent(attachmentLayout);
}
项目：Exporter    文件：Exporter.java    
public Exporter() {
    fileDownloader = new FileDownloader(new StreamResource(this,
            getDownloadFileName()));
    fileDownloader.extend(this);
}
项目：viritin    文件：DownloadButton.java    
/**
 * Constructs a new Download button without ContentWriter. Be sure to set
 * the ContentWriter or override its getter, before instance is actually
 * used.
 */
public DownloadButton() {
    new FileDownloader(streamResource).extend(this);

}