/**
* 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));
}
/**
* @param : node: nt:file node with have the data stream
* @return : Link to download the jcr:data of the given node
* @throws Exception
*/
public static String getDownloadRestServiceLink(Node node) throws Exception {
ExoContainer container = ExoContainerContext.getCurrentContainer();
PortalContainerInfo containerInfo =
(PortalContainerInfo) container.getComponentInstanceOfType(PortalContainerInfo.class);
String portalName = containerInfo.getContainerName();
PortalContainerConfig portalContainerConfig =
(PortalContainerConfig) container.getComponentInstance(PortalContainerConfig.class);
String restContextName = portalContainerConfig.getRestContextName(portalName);
StringBuilder sb = new StringBuilder();
Node currentNode = org.exoplatform.wcm.webui.Utils.getRealNode(node);
String ndPath = currentNode.getPath();
if (ndPath.startsWith("/")) {
ndPath = ndPath.substring(1);
}
String encodedPath = URLEncoder.encode(ndPath, "utf-8");
encodedPath =
encodedPath.replaceAll("%2F", "/"); // we won't encode the slash characters in the path
sb.append("/").append(restContextName).append("/contents/download/");
sb.append(currentNode.getSession().getWorkspace().getName()).append("/").append(encodedPath);
if (node.isNodeType("nt:frozenNode")) {
sb.append("?version=" + node.getParent().getName());
}
return sb.toString();
}
