working with beans in beans

sjeek — Mon, 03 Apr 2006 12:35:29 GMT

Hi,When i click on a content (image, html, pdf, …), I view these in my own inline reading panel.Now, I made a new panel where I want to show the details of the content, and also the categorization and versioning of the document.So, with one click, I'll get almost all the information of the content.W

Re: working with beans in beans

sjeek — Tue, 04 Apr 2006 13:34:06 GMT

My problem is allready solved for a big part
but, i'm stuck with this now:


   public String getVersionOverviewHTML() {
      String html = "";
      
      if (getDocument().hasAspect(ContentModel.ASPECT_VERSIONABLE)) {
         VersionHistory history = this.versionService
               .getVersionHistory(getDocument().getNodeRef());

         StringBuilder builder = new StringBuilder(Application.getMessage(
               FacesContext.getCurrentInstance(),
               MSG_HAS_FOLLOWING_CATEGORIES));

         builder.append("<ul>");
         if (history != null) {

            for (Version version : history.getAllVersions()) {
               builder.append("<li>");
               builder.append(version.getVersionLabel() + " ");
               builder.append(version.getDescription() + " ");
               builder.append(version.getCreator() + " ");
               builder.append("</li>");
            }

            builder.append("</ul>");
            html = builder.toString();
         }

      }
      return html;
   }
‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

If you can see in the code, I use the method, to show the versioning of a content. (just for testing)
But, I get a NullpointerException at


VersionHistory history = this.versionService.getVersionHistory(getDocument().getNodeRef());
‍‍‍

This code was first in the DocumentDetailsBean, but I moved it to the CheckinCheckoutBean for my inline Reading content.
So, i didn't had to call other Beans in an other Bean.

How can I fix this Exception?

I'll allready import the right classes ect.

when I click in "browse.jsp" on the content. this code is executed

grtz


   public void inlineFile(ActionEvent event) {
      UIActionLink link = (UIActionLink) event.getComponent();
      Map<String, String> params = link.getParameterMap();
      String id = params.get("id");

      if (id != null && id.length() != 0) {
         
         setCurrentNode(id);
         
         Node node = setupContentDocument(id);

         // retrieve the content reader for this node
         ContentReader reader = getContentService().getReader(
               node.getNodeRef(), ContentModel.PROP_CONTENT);
         String mimetype = reader.getMimetype();

         // retrieve string to show image or downloadlink
         String url = (String) node.getProperties().get("url");
         String img = (String) node.getProperties().get("fileType32");
         String name = (String) node.getProperties().get("name");
         String title = (String) node.getProperties().get("title");
         String description = (String) node.getProperties().get(
               "description");

         // looking for the type of file
         if (MimetypeMap.MIMETYPE_TEXT_PLAIN.equals(mimetype)
               || MimetypeMap.MIMETYPE_XML.equals(mimetype)
               || MimetypeMap.MIMETYPE_TEXT_CSS.equals(mimetype)
               || MimetypeMap.MIMETYPE_HTML.equals(mimetype)
               || MimetypeMap.MIMETYPE_XHTML.equals(mimetype)) {
            // make content available
            if (reader != null) {
               // replace(strBericht,vbcrlf,"<br>")
               String text = reader.getContentString();
               text = text.replaceAll("\n", "<br>");
               setInlineContent("<b>" + name + "</b><br><br>" + text);

            } else {
               setInlineContent("");
            }

            // navigate to appropriate screen
            FacesContext fc = FacesContext.getCurrentInstance();
            fc.getApplication().getNavigationHandler().handleNavigation(fc,
                  null, "browse");
         }

         else {
            if (MimetypeMap.MIMETYPE_IMAGE_JPEG.equals(mimetype)
                  || MimetypeMap.MIMETYPE_IMAGE_GIF.equals(mimetype)
                  || MimetypeMap.MIMETYPE_IMAGE_RGB.equals(mimetype)) {
               // make content available
               if (reader != null) {
                  setInlineContent("<b>" + name
                        + "</b><br><br><img src='/alfresco" + url
                        + "'>");

               } else {
                  setInlineContent("");
               }

               // navigate to appropriate screen
               FacesContext fc = FacesContext.getCurrentInstance();
               fc.getApplication().getNavigationHandler()
                     .handleNavigation(fc, null, "browse");
            } else {

               // make content available
               if (reader != null) {
                  setInlineContent("<img src='/alfresco" + img
                        + "'> <A HREF='/alfresco" + url + "'>Download "
                        + name + "</A>");

               } else {
                  setInlineContent("");
               }

               // normal downloadable document
               FacesContext fc = FacesContext.getCurrentInstance();
               fc.getApplication().getNavigationHandler()
                     .handleNavigation(fc, null, "browse");
            }
         }

         setInlineDetail("<img src='/alfresco" + img + "'><br>Name: " + name
               + "<br>Title: " + title + "<br>Description: " + description
               + "<br>Format: " + mimetype + "<br><A HREF='/alfresco"
               + url + "'><b>Download " + name + "</b></A>");
         setInlineCategory(getCategoriesOverviewHTML());
         setInlineVersion(getVersionOverviewHTML());

      }
   }
‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

Re: working with beans in beans

sjeek — Tue, 04 Apr 2006 14:29:25 GMT

Solved


public String getVersionOverviewHTML() {

      String html = null;
      UserTransaction tx = null;

      // Start a transaction
      try {
         // Use the Repository helper class to obtain a new transaction
         FacesContext context = FacesContext.getCurrentInstance();
         tx = Repository.getUserTransaction(context, true);
         tx.begin();

         Node node = setupContentDocument(currentNode);

         String name = (String) node.getProperties().get("name");

         VersionService versionService = (VersionService) FacesContextUtils
               .getRequiredWebApplicationContext(context).getBean(
                     "versionService");

         if (getDocument().hasAspect(ContentModel.ASPECT_VERSIONABLE)) {
            VersionHistory history = versionService
                  .getVersionHistory(getDocument().getNodeRef());

            StringBuilder builder = new StringBuilder(Application
                  .getMessage(FacesContext.getCurrentInstance(),
                        MSG_HAS_FOLLOWING_CATEGORIES));

            builder.append("<ul>");
            if (history != null) {

               for (Version version : history.getAllVersions()) {
                  String url = DownloadContentServlet.generateBrowserURL(
                        version.getFrozenStateNodeRef(), name);
                  builder.append("<li>");
                  builder.append("<A HREF='/alfresco" + url
                        + "'>Download v" + version.getVersionLabel()
                        + "</A>" + " ");
                  builder.append(version.getDescription() + " ");
                  builder.append(version.getCreator() + " ");
                  builder.append("</li>");
               }

               builder.append("</ul>");
               html = builder.toString();
            }

         }
         // Commit the transaction
         tx.commit();

      } catch (Exception e) {
         e.printStackTrace();
      }
      return html;
   }
‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

topic Re: working with beans in beans in Alfresco Archive

working with beans in beans

Re: working with beans in beans

Re: working with beans in beans