/**
* Get download link of a node which stored binary data
*
* @param node Node
* @return download link
* @throws Exception
*/
public static String getDownloadLink(Node node) throws Exception {
if (!Utils.getRealNode(node).getPrimaryNodeType().getName().equals(NT_FILE)) return null;
// Get binary data from node
DownloadService dservice = WCMCoreUtils.getService(DownloadService.class);
Node jcrContentNode = node.getNode(JCR_CONTENT);
InputStream input = jcrContentNode.getProperty(JCR_DATA).getStream();
// Get mimeType of binary data
String mimeType = jcrContentNode.getProperty(JCR_MIMETYPE).getString();
// Make download stream
InputStreamDownloadResource dresource = new InputStreamDownloadResource(input, mimeType);
// Make extension part for file if it have not yet
DMSMimeTypeResolver mimeTypeSolver = DMSMimeTypeResolver.getInstance();
String ext = "." + mimeTypeSolver.getExtension(mimeType);
String fileName = Utils.getRealNode(node).getName();
if (fileName.lastIndexOf(ext) < 0 && !mimeTypeSolver.getMimeType(fileName).equals(mimeType)) {
dresource.setDownloadName(fileName + ext);
} else {
dresource.setDownloadName(fileName);
}
return dservice.getDownloadLink(dservice.addDownloadResource(dresource));
}
public String getDownloadLink(Node node) throws Exception {
DownloadService dservice = getApplicationComponent(DownloadService.class);
Node jcrContentNode = node.getNode(org.exoplatform.ecm.webui.utils.Utils.JCR_CONTENT);
InputStream input =
jcrContentNode.getProperty(org.exoplatform.ecm.webui.utils.Utils.JCR_DATA).getStream();
String mimeType =
jcrContentNode.getProperty(org.exoplatform.ecm.webui.utils.Utils.JCR_MIMETYPE).getString();
InputStreamDownloadResource dresource = new InputStreamDownloadResource(input, mimeType);
DMSMimeTypeResolver mimeTypeSolver = DMSMimeTypeResolver.getInstance();
String ext = mimeTypeSolver.getExtension(mimeType);
StringBuffer fileNameStrBuffer = new StringBuffer(node.getName());
if (fileNameStrBuffer.lastIndexOf("." + ext) < 0) {
fileNameStrBuffer.append(".").append(ext);
}
dresource.setDownloadName(fileNameStrBuffer.toString());
return dservice.getDownloadLink(dservice.addDownloadResource(dresource));
}
public static String getFileSource(FileAttachment attachment) throws Exception {
DownloadService dservice =
(DownloadService) PortalContainer.getComponent(DownloadService.class);
try {
InputStream input = attachment.getInputStream();
String fileName = attachment.getName();
byte[] imageBytes = null;
if (input != null) {
imageBytes = new byte[input.available()];
input.read(imageBytes);
ByteArrayInputStream byteImage = new ByteArrayInputStream(imageBytes);
InputStreamDownloadResource dresource = new InputStreamDownloadResource(byteImage, "image");
dresource.setDownloadName(fileName);
return dservice.getDownloadLink(dservice.addDownloadResource(dresource));
}
} catch (Exception e) {
log.error("Can not get File Source, exception: " + e.getMessage());
}
return "";
}
public static String getThumbnailImage(Node node, String propertyName) throws Exception {
ThumbnailService thumbnailService =
Util.getUIPortal().getApplicationComponent(ThumbnailService.class);
if (node.isNodeType(NT_FILE)) {
String mimeType = node.getNode(JCR_CONTENT).getProperty(JCR_MIMETYPE).getString();
if (mimeType.startsWith("image")) {
Node thumbnailNode = thumbnailService.addThumbnailNode(node);
InputStream inputStream = node.getNode(JCR_CONTENT).getProperty(JCR_DATA).getStream();
thumbnailService.createSpecifiedThumbnail(
thumbnailNode, ImageIO.read(inputStream), propertyName);
}
}
Node thumbnailNode = thumbnailService.getThumbnailNode(node);
if (thumbnailNode != null && thumbnailNode.hasProperty(propertyName)) {
DownloadService dservice = Util.getUIPortal().getApplicationComponent(DownloadService.class);
InputStream input = thumbnailNode.getProperty(propertyName).getStream();
InputStreamDownloadResource dresource = new InputStreamDownloadResource(input, "image");
dresource.setDownloadName(node.getName());
return dservice.getDownloadLink(dservice.addDownloadResource(dresource));
}
return null;
}
public static String getDataSource(Attachment attach, DownloadService dservice) throws Exception {
if (attach != null) {
try {
InputStream input = attach.getInputStream();
byte[] imageBytes = null;
if (input != null) {
imageBytes = new byte[input.available()];
input.read(imageBytes);
ByteArrayInputStream byteImage = new ByteArrayInputStream(imageBytes);
InputStreamDownloadResource dresource =
new InputStreamDownloadResource(byteImage, attach.getMimeType());
dresource.setDownloadName(attach.getName());
return dservice.getDownloadLink(dservice.addDownloadResource(dresource));
}
} catch (PathNotFoundException ex) {
if (log.isDebugEnabled()) {
log.debug("The attachment has no data source", ex);
}
return null;
}
}
return null;
}
public static String getThumbnailImage(InputStream input, String downloadName) throws Exception {
DownloadService dservice = WCMCoreUtils.getService(DownloadService.class);
InputStreamDownloadResource dresource = new InputStreamDownloadResource(input, "image");
dresource.setDownloadName(downloadName);
return dservice.getDownloadLink(dservice.addDownloadResource(dresource));
}
