List of usage examples for com.vaadin.server StreamResource StreamResource
public StreamResource(StreamSource streamSource, String filename)
From source file:org.jumpmind.metl.ui.views.deploy.EditAgentPanel.java
License:Open Source License
protected void exportConfiguration() { final String export = context.getConfigurationService().export(agent); StreamSource ss = new StreamSource() { private static final long serialVersionUID = 1L; public InputStream getStream() { try { return new ByteArrayInputStream(export.getBytes()); } catch (Exception e) { log.error("Failed to export configuration", e); CommonUiUtils.notify("Failed to export configuration.", Type.ERROR_MESSAGE); return null; }//from w w w. j a v a2s. co m } }; String datetime = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()); StreamResource resource = new StreamResource(ss, String.format("%s-config-%s.sql", agent.getName().toLowerCase().replaceAll(" ", "-"), datetime)); final String KEY = "export"; setResource(KEY, resource); Page.getCurrent().open(ResourceReference.create(resource, this, KEY).getURL(), null); }
From source file:org.jumpmind.metl.ui.views.ExploreDirectoryView.java
License:Open Source License
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 {//from www .j a v a2s .c om return new Label(file.getName()); } } else { return new Label(((DirectoryResource) itemId).getName()); } }
From source file:org.jumpmind.vaadin.ui.common.ReadOnlyTextAreaDialog.java
License:Open Source License
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); }/* ww w. j a v a 2 s . c om*/ }, 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); } }
From source file:org.jumpmind.vaadin.ui.sqlexplorer.DbExportDialog.java
License:Open Source License
private StreamResource createResource() { final String format = (String) formatSelect.getValue().toString(); StreamSource ss = new StreamSource() { private static final long serialVersionUID = 1L; public InputStream getStream() { List<String> list = tableSelectionLayout.getSelectedTables(); String[] array = new String[list.size()]; list.toArray(array);//from w w w . j ava 2 s . c o m createDbExport(); String script; try { script = dbExport.exportTables(array); return new ByteArrayInputStream(script.getBytes()); } catch (IOException e) { String msg = "Failed to export to a file"; log.error(msg, e); CommonUiUtils.notify(msg, e); } return null; } }; String datetime = new SimpleDateFormat("yyyyMMddhhmmss").format(new Date()); StreamResource sr = new StreamResource(ss, String.format("table-export-%s." + format.toLowerCase(), datetime)); return sr; }
From source file:org.lunifera.vaaclipse.ui.preferences.addon.internal.impexp.ExportPreferences.java
License:Open Source License
@SuppressWarnings("serial") private StreamResource createResource() { return new StreamResource(new StreamSource() { @Override// w w w . j a v a 2s .com public InputStream getStream() { if (preferencesBytes != null) { ByteArrayInputStream is = new ByteArrayInputStream(preferencesBytes); return is; } else return null; } }, "preferences.epf"); }
From source file:org.peergreen.vaadin.diagram.Compartment.java
License:Apache License
@Override public void attach(final Diagram diagram) { // If there is an icon provided, wrap it in a StreamResource and make it available to client-side through the connector if (iconUrl != null) { diagram.addSharedResource(iconType, new StreamResource(new IconStreamSource(), iconType)); }//from www. j a va 2s . com super.attach(diagram); }
From source file:org.vaadin.addon.ewopener.demo.DemoUI.java
License:Apache License
private StreamResource generateResource() { StreamResource streamResource = new StreamResource(makeStreamSource(), "simpleTextFile.txt"); streamResource.setCacheTime(0); // do not cache streamResource.setMIMEType("text/plain"); return streamResource; }
From source file:org.vaadin.addon.ewopener.demo.DemoUI.java
License:Apache License
private StreamResource streamContent() { StreamResource streamResource = new StreamResource( () -> new ByteArrayInputStream(LocalDateTime.now().toString().getBytes()), "simpleTextFile.txt"); streamResource.setCacheTime(0); // do not cache streamResource.setMIMEType("text/plain"); return streamResource; }
From source file:org.vaadin.addon.ewopener.EnhancedBrowserWindowOpener.java
License:Apache License
/** * Sets a {@code resource} for this instance whose content will be generated * when the window will be opened./*from w w w .j a v a2 s . com*/ * * The content will be generated through {@code generator} instance. * The {@link StreamResource} could be customized through given {@code resourceCustomizer}. * * @param filename The filename for the generated resource. * @param generator The content generator. * @param resourceCustomizer The {@link StreamResource} customizer * @return current object for further customization */ public EnhancedBrowserWindowOpener withGeneratedContent(String filename, StreamResource.StreamSource generator, StreamResourceCustomizer resourceCustomizer) { Objects.requireNonNull(generator); Objects.requireNonNull(resourceCustomizer); StreamResource resource = new StreamResource(null, filename) { @Override public StreamResource.StreamSource getStreamSource() { return generator::getStream; } }; resourceCustomizer.customize(resource); setResource(resource); return this; }
From source file:org.vaadin.easyuploads.ImagePreviewField.java
License:Apache License
@Override protected void updateDisplayComponent() { try {// w w w. j a v a 2 s . co m Image image = (Image) display; // check if upload is an image if (getValue() != null && ImageIO.read(new ByteArrayInputStream(getValue())) != null) { // Update the image according to // https://vaadin.com/book/vaadin7/-/page/components.embedded.html SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmssSSS"); String filename = df.format(new Date()) + getLastFileName(); StreamResource resource = new StreamResource(new ImageSource(getValue()), filename); resource.setCacheTime(0); image.setSource(resource); image.setVisible(true); } else { image.setVisible(false); image.setSource(null); setValue(null); } image.markAsDirty(); if (display.getParent() == null) { getRootLayout().addComponent(display); } } catch (IOException e) { e.printStackTrace(); } }