inteligr8/alfresco-community-repo
1
0
Fork 0
mirror of https://github.com/Alfresco/alfresco-community-repo.git synced 2025-08-07 17:49:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge from head.

Browse Source 
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3314 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Britt Park
2006-07-13 07:06:30 +00:00
parent 89a108a9d7
commit ca9496d090
8 changed files with 252 additions and 71 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
source/java/org/alfresco/web/app/servlet/DownloadContentServlet.java
View File

@@ -52,9 +52,11 @@ import org.apache.commons.logging.LogFactory;
* <pre>/alfresco/download/attach/workspace/SpacesStore/0000-0000-0000-0000/myfile.pdf</pre>
* or
* <pre>/alfresco/download/direct/workspace/SpacesStore/0000-0000-0000-0000/myfile.pdf</pre>
* <p>
* The store protocol, followed by the store ID, followed by the content Node Id
* the last element is used for mimetype calculation and browser default filename.
* or
* <pre>/alfresco/download/[direct|attach]?path=/Company%20Home/MyFolder/myfile.pdf</pre>
* The protocol, followed by either the store and Id (NodeRef) or instead specify a name based
* encoded Path to the content, note that the filename element is used for mimetype lookup and
* as the returning filename for the response stream.
* <p>
* The 'attach' or 'direct' element is used to indicate whether to display the stream directly
* in the browser or download it as a file attachment.
@@ -86,6 +88,7 @@ public class DownloadContentServlet extends BaseServlet
private static final String ARG_PROPERTY = "property";
private static final String ARG_ATTACH = "attach";
private static final String ARG_PATH = "path";
/**
* @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
@@ -93,11 +96,6 @@ public class DownloadContentServlet extends BaseServlet
protected void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException
{
// The URL contains multiple parts
// /alfresco/download/attach/workspace/SpacesStore/0000-0000-0000-0000/myfile.pdf
// the protocol, followed by the store, followed by the Id
// the last part is only used for mimetype and browser use
// may be followed by valid ticket for pre-authenticated usage: ?ticket=1234567890
String uri = req.getRequestURI();
if (logger.isDebugEnabled())
@@ -114,34 +112,53 @@ public class DownloadContentServlet extends BaseServlet
// only really needed if we don't use the built in compression of the servlet container
uri = uri.substring(req.getContextPath().length());
StringTokenizer t = new StringTokenizer(uri, "/");
if (t.countTokens() < 6)
{
throw new IllegalArgumentException("Download URL did not contain all required args: " + uri);
}
int tokenCount = t.countTokens();
t.nextToken(); // skip servlet name
// attachment mode (either 'attach' or 'direct')
String attachToken = t.nextToken();
boolean attachment = attachToken.equals(ARG_ATTACH);
StoreRef storeRef = new StoreRef(t.nextToken(), t.nextToken());
String id = t.nextToken();
String filename = t.nextToken();
// get or calculate the noderef and filename to download as
NodeRef nodeRef;
String filename;
// get property qualified name
QName propertyQName = null;
String property = req.getParameter(ARG_PROPERTY);
if (property == null || property.length() == 0)
// do we have a path parameter instead of a NodeRef?
String path = req.getParameter(ARG_PATH);
if (path != null && path.length() != 0)
{
propertyQName = ContentModel.PROP_CONTENT;
// process the name based path to resolve the NodeRef and the Filename element
PathRefInfo pathInfo = resolveNamePath(getServletContext(), path);
nodeRef = pathInfo.NodeRef;
filename = pathInfo.Filename;
}
else
{
propertyQName = QName.createQName(property);
// a NodeRef must have been specified if no path has been found
if (tokenCount < 6)
{
throw new IllegalArgumentException("Download URL did not contain all required args: " + uri);
}
// assume 'workspace' or other NodeRef based protocol for remaining URL elements
StoreRef storeRef = new StoreRef(t.nextToken(), t.nextToken());
String id = t.nextToken();
// build noderef from the appropriate URL elements
nodeRef = new NodeRef(storeRef, id);
// filename is last remaining token
filename = t.nextToken();
}
// build noderef from the appropriate URL elements
NodeRef nodeRef = new NodeRef(storeRef, id);
// get qualified of the property to get content from - default to ContentModel.PROP_CONTENT
QName propertyQName = ContentModel.PROP_CONTENT;
String property = req.getParameter(ARG_PROPERTY);
if (property != null && property.length() != 0)
{
propertyQName = QName.createQName(property);
}
if (logger.isDebugEnabled())
{
@@ -199,7 +216,9 @@ public class DownloadContentServlet extends BaseServlet
}
}
}
// set mimetype for the content and the character encoding for the stream
res.setContentType(mimetype);
res.setCharacterEncoding(reader.getEncoding());
// get the content and stream directly to the response output stream
// assuming the repo is capable of streaming in chunks, this should allow large files