Re: Can Someone give me help on implementating the Document Versioning capability of the WebDav using Slide

[Stan Pinte]

Gbenga Bello wrote:

Hello List

Please I would need some help on how to implement the versioning capability of the Webdav using Slide.

I will gracefully appreciate links to webpages or sample codes that could give a simple insight on how to navigate my way successfully.

I thank you all in advance

COGI

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to get the version history of a resource:

public static String getCurrentVersion(String resourceUrl) throws Exception
   {
       HttpURL httpUrl = new HttpURL(slideHostPort + slideAppContext + 
resourceUrl);
       log.info("getting history for url: [" + httpUrl + "]");
       Vector properties = new Vector();
       Enumeration report = getCollection().reportMethod(httpUrl, 
properties, 2);
       List versions = new ArrayList();
       while (report.hasMoreElements())
       {
           String version = (String)report.nextElement();
           log.debug("version: [" + version + "]");
           versions.add(version);
       }
      
       //sort the versions
       Collections.sort(versions, new VersionComparator());
      
       return (String)versions.get(versions.size() - 1);
   }
  
   public static WebdavResource getCollection() throws Exception
   {
       String resourceUrl = slideHostPort + slideAppContext + 
getDavDocumentPath();
       HttpURL url = new HttpURL(resourceUrl);
       url.setUserInfo(slideUser, slidePassword);
       return new WebdavResource(url);
   }

to update the version:

public static String updateVersion(DocumentForm form) throws Exception
   {
       FormFile file = form.getFile();
       String path = slideAppContext + form.getDocUrl();
      
       boolean succeeded = false;
      
       WebdavResource resource = getCollection();
      
       log.info("Version Controlling: " + path + " in resource: " + 
resource.getPath());
      
       //will issue a versioncontrol each time, just in case the 
resource would not be version controlled.
       //hope this will not be a problem.
       succeeded = resource.versionControlMethod(path);
       throwIfNot(succeeded, resource.getStatusMessage());
      
       //checkout
       succeeded = resource.checkoutMethod(path);
       throwIfNot(succeeded, resource.getStatusMessage());
      
       //update
       succeeded = resource.putMethod(path, file.getInputStream());
       throwIfNot(succeeded, resource.getStatusMessage());
      
       //checkin
       succeeded = resource.checkinMethod(path);
       throwIfNot(succeeded, resource.getStatusMessage());
      
       return getCurrentVersion(form.getDocUrl());
   }

hope this helps

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