Examples with FileExistsException org.alfresco.service.cmr.model.FileExistsException used on opensource projects

Example 1 with FileExistsException

use of org.alfresco.service.cmr.model.FileExistsException in project alfresco-remote-api by Alfresco.

the class PutMethod method executeImpl.

/**
 * Execute the WebDAV request
 *
 * @exception WebDAVServerException
 */
protected void executeImpl() throws WebDAVServerException, Exception {
    if (logger.isDebugEnabled()) {
        String path = getPath();
        String userName = getDAVHelper().getAuthenticationService().getCurrentUserName();
        logger.debug("Put node: \n" + "     user: " + userName + "\n" + "     path: " + path + "\n" + "noContent: " + noContent);
    }
    FileFolderService fileFolderService = getFileFolderService();
    // Get the status for the request path
    LockInfo nodeLockInfo = null;
    try {
        contentNodeInfo = getNodeForPath(getRootNodeRef(), getPath());
        // make sure that we are not trying to use a folder
        if (contentNodeInfo.isFolder()) {
            throw new WebDAVServerException(HttpServletResponse.SC_BAD_REQUEST);
        }
        nodeLockInfo = checkNode(contentNodeInfo);
        // 'Unhide' nodes hidden by us and behave as though we created them
        NodeRef contentNodeRef = contentNodeInfo.getNodeRef();
        if (fileFolderService.isHidden(contentNodeRef) && !getDAVHelper().isRenameShuffle(getPath())) {
            fileFolderService.setHidden(contentNodeRef, false);
            created = true;
        }
    } catch (FileNotFoundException e) {
        // the file doesn't exist - create it
        String[] paths = getDAVHelper().splitPath(getPath());
        try {
            FileInfo parentNodeInfo = getNodeForPath(getRootNodeRef(), paths[0]);
            // create file
            contentNodeInfo = getDAVHelper().createFile(parentNodeInfo, paths[1]);
            created = true;
        } catch (FileNotFoundException ee) {
            // bad path
            throw new WebDAVServerException(HttpServletResponse.SC_CONFLICT);
        } catch (FileExistsException ee) {
            // ALF-7079 fix, retry: it looks like concurrent access (file not found but file exists)
            throw new ConcurrencyFailureException("Concurrent access was detected.", ee);
        }
    }
    String userName = getDAVHelper().getAuthenticationService().getCurrentUserName();
    LockInfo lockInfo = getDAVLockService().getLockInfo(contentNodeInfo.getNodeRef());
    if (lockInfo != null) {
        if (lockInfo.isLocked() && !lockInfo.getOwner().equals(userName)) {
            if (logger.isDebugEnabled()) {
                String path = getPath();
                String owner = lockInfo.getOwner();
                logger.debug("Node locked: path=[" + path + "], owner=[" + owner + "], current user=[" + userName + "]");
            }
            // Indicate that the resource is locked
            throw new WebDAVServerException(WebDAV.WEBDAV_SC_LOCKED);
        }
    }
    // ALF-16808: We disable the versionable aspect if we are overwriting
    // empty content because it's probably part of a compound operation to
    // create a new single version
    boolean disabledVersioning = false;
    try {
        // Disable versioning if we are overwriting an empty file with content
        NodeRef nodeRef = contentNodeInfo.getNodeRef();
        ContentData contentData = (ContentData) getNodeService().getProperty(nodeRef, ContentModel.PROP_CONTENT);
        if ((contentData == null || contentData.getSize() == 0) && getNodeService().hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE)) {
            getDAVHelper().getPolicyBehaviourFilter().disableBehaviour(nodeRef, ContentModel.ASPECT_VERSIONABLE);
            disabledVersioning = true;
        }
        // Access the content
        ContentWriter writer = fileFolderService.getWriter(contentNodeInfo.getNodeRef());
        // set content properties
        writer.guessMimetype(contentNodeInfo.getName());
        writer.guessEncoding();
        // Get the input stream from the request data
        InputStream is = m_request.getInputStream();
        // Write the new data to the content node
        writer.putContent(is);
        // - the node does not have any content (zero length binaries included)
        if (nodeLockInfo != null && nodeLockInfo.isExclusive() && !(ContentData.hasContent(contentData) && contentData.getSize() > 0)) {
            getNodeService().addAspect(contentNodeInfo.getNodeRef(), ContentModel.ASPECT_NO_CONTENT, null);
        }
        // Ask for the document metadata to be extracted
        Action extract = getActionService().createAction(ContentMetadataExtracter.EXECUTOR_NAME);
        if (extract != null) {
            extract.setExecuteAsynchronously(false);
            getActionService().executeAction(extract, contentNodeInfo.getNodeRef());
        }
        // from the original specified in the request, update it.
        if (m_strContentType == null || !m_strContentType.equals(writer.getMimetype())) {
            String oldMimeType = m_strContentType;
            m_strContentType = writer.getMimetype();
            if (logger.isDebugEnabled()) {
                logger.debug("Mimetype originally specified as " + oldMimeType + ", now guessed to be " + m_strContentType);
            }
        }
        // Record the uploaded file's size
        fileSize = writer.getSize();
        // Set the response status, depending if the node existed or not
        m_response.setStatus(created ? HttpServletResponse.SC_CREATED : HttpServletResponse.SC_NO_CONTENT);
    } catch (AccessDeniedException e) {
        throw new WebDAVServerException(HttpServletResponse.SC_FORBIDDEN, e);
    } catch (Throwable e) {
        // we are about to give up
        if (noContent && RetryingTransactionHelper.extractRetryCause(e) == null) {
            // remove the 0 bytes content if save operation failed or was cancelled
            final NodeRef nodeRef = contentNodeInfo.getNodeRef();
            getTransactionService().getRetryingTransactionHelper().doInTransaction(new RetryingTransactionCallback<String>() {

                public String execute() throws Throwable {
                    getNodeService().deleteNode(nodeRef);
                    if (logger.isDebugEnabled()) {
                        logger.debug("Put failed. DELETE  " + getPath());
                    }
                    return null;
                }
            }, false, false);
        }
        throw new WebDAVServerException(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e);
    } finally {
        if (disabledVersioning) {
            getDAVHelper().getPolicyBehaviourFilter().enableBehaviour(contentNodeInfo.getNodeRef(), ContentModel.ASPECT_VERSIONABLE);
        }
    }
    postActivity();
}

Example 2 with FileExistsException

use of org.alfresco.service.cmr.model.FileExistsException in project acs-community-packaging by Alfresco.

the class MySpacesBean method createSpace.

@InvokeCommand.ResponseMimetype(value = MimetypeMap.MIMETYPE_HTML)
public void createSpace() throws Exception {
    FacesContext fc = FacesContext.getCurrentInstance();
    ResponseWriter out = fc.getResponseWriter();
    Map<String, String> requestMap = fc.getExternalContext().getRequestParameterMap();
    String path = (String) requestMap.get("path");
    String name = (String) requestMap.get("name");
    String title = (String) requestMap.get("title");
    String description = (String) requestMap.get("description");
    if (logger.isDebugEnabled())
        logger.debug("MySpacesBean.createSpace() path=" + path + " name=" + name + " title=" + title + " description=" + description);
    try {
        if (path != null && name != null) {
            NodeRef containerRef = FileUploadBean.pathToNodeRef(fc, path);
            if (containerRef != null) {
                NodeService nodeService = Repository.getServiceRegistry(fc).getNodeService();
                FileFolderService ffService = Repository.getServiceRegistry(fc).getFileFolderService();
                FileInfo folderInfo = ffService.create(containerRef, name, ContentModel.TYPE_FOLDER);
                if (logger.isDebugEnabled())
                    logger.debug("Created new folder: " + folderInfo.getNodeRef().toString());
                // apply the uifacets aspect - icon, title and description properties
                Map<QName, Serializable> uiFacetsProps = new HashMap<QName, Serializable>(4, 1.0f);
                uiFacetsProps.put(ApplicationModel.PROP_ICON, CreateSpaceWizard.DEFAULT_SPACE_ICON_NAME);
                uiFacetsProps.put(ContentModel.PROP_TITLE, title);
                uiFacetsProps.put(ContentModel.PROP_DESCRIPTION, description);
                nodeService.addAspect(folderInfo.getNodeRef(), ApplicationModel.ASPECT_UIFACETS, uiFacetsProps);
                out.write("OK: " + folderInfo.getNodeRef().toString());
            }
        }
    } catch (FileExistsException ferr) {
        out.write("ERROR: A file with that name already exists.");
    } catch (Throwable err) {
        out.write("ERROR: " + err.getMessage());
    }
}

Example 3 with FileExistsException

use of org.alfresco.service.cmr.model.FileExistsException in project acs-community-packaging by Alfresco.

the class WorkspaceClipboardItem method paste.

/**
 * @see org.alfresco.web.bean.clipboard.ClipboardItem#paste(javax.faces.context.FacesContext, java.lang.String, int)
 */
public boolean paste(final FacesContext fc, String viewId, final int action) {
    final ServiceRegistry serviceRegistry = getServiceRegistry();
    final RetryingTransactionHelper retryingTransactionHelper = serviceRegistry.getTransactionService().getRetryingTransactionHelper();
    if (super.canCopyToViewId(viewId) || WORKSPACE_PASTE_VIEW_ID.equals(viewId) || FORUMS_PASTE_VIEW_ID.equals(viewId) || FORUM_PASTE_VIEW_ID.equals(viewId)) {
        NavigationBean navigator = (NavigationBean) FacesHelper.getManagedBean(fc, NavigationBean.BEAN_NAME);
        final NodeRef destRef = new NodeRef(Repository.getStoreRef(), navigator.getCurrentNodeId());
        final DictionaryService dd = serviceRegistry.getDictionaryService();
        final NodeService nodeService = serviceRegistry.getNodeService();
        final FileFolderService fileFolderService = serviceRegistry.getFileFolderService();
        final CopyService copyService = serviceRegistry.getCopyService();
        final MultilingualContentService multilingualContentService = serviceRegistry.getMultilingualContentService();
        final boolean isPrimaryParent;
        final ChildAssociationRef assocRef;
        if (getParent() == null) {
            assocRef = nodeService.getPrimaryParent(getNodeRef());
            isPrimaryParent = true;
        } else {
            NodeRef parentNodeRef = getParent();
            List<ChildAssociationRef> assocList = nodeService.getParentAssocs(getNodeRef());
            ChildAssociationRef foundRef = null;
            if (assocList != null) {
                for (ChildAssociationRef assocListEntry : assocList) {
                    if (parentNodeRef.equals(assocListEntry.getParentRef())) {
                        foundRef = assocListEntry;
                        break;
                    }
                }
            }
            assocRef = foundRef;
            isPrimaryParent = parentNodeRef.equals(nodeService.getPrimaryParent(getNodeRef()).getParentRef());
        }
        // initial name to attempt the copy of the item with
        String name = getName();
        String translationPrefix = "";
        if (action == UIClipboardShelfItem.ACTION_PASTE_LINK) {
            // copy as link was specifically requested by the user
            String linkTo = Application.getMessage(fc, MSG_LINK_TO);
            name = linkTo + ' ' + name;
        }
        // Loop until we find a target name that doesn't exist
        for (; ; ) {
            try {
                final String currentTranslationPrefix = translationPrefix;
                final String currentName = name;
                // attempt each copy/paste in its own transaction
                retryingTransactionHelper.doInTransaction(new RetryingTransactionCallback<Void>() {

                    public Void execute() throws Throwable {
                        if (getMode() == ClipboardStatus.COPY) {
                            if (action == UIClipboardShelfItem.ACTION_PASTE_LINK) {
                                // LINK operation
                                if (logger.isDebugEnabled())
                                    logger.debug("Attempting to link node ID: " + getNodeRef() + " into node: " + destRef.toString());
                                // create the node using the nodeService (can only use FileFolderService for content)
                                if (checkExists(currentName + LINK_NODE_EXTENSION, destRef) == false) {
                                    Map<QName, Serializable> props = new HashMap<QName, Serializable>(2, 1.0f);
                                    String newName = currentName + LINK_NODE_EXTENSION;
                                    props.put(ContentModel.PROP_NAME, newName);
                                    props.put(ContentModel.PROP_LINK_DESTINATION, getNodeRef());
                                    if (dd.isSubClass(getType(), ContentModel.TYPE_CONTENT)) {
                                        // create File Link node
                                        ChildAssociationRef childRef = nodeService.createNode(destRef, ContentModel.ASSOC_CONTAINS, QName.createQName(assocRef.getQName().getNamespaceURI(), newName), ApplicationModel.TYPE_FILELINK, props);
                                        // apply the titled aspect - title and description
                                        Map<QName, Serializable> titledProps = new HashMap<QName, Serializable>(2, 1.0f);
                                        titledProps.put(ContentModel.PROP_TITLE, currentName);
                                        titledProps.put(ContentModel.PROP_DESCRIPTION, currentName);
                                        nodeService.addAspect(childRef.getChildRef(), ContentModel.ASPECT_TITLED, titledProps);
                                    } else {
                                        // create Folder link node
                                        ChildAssociationRef childRef = nodeService.createNode(destRef, ContentModel.ASSOC_CONTAINS, assocRef.getQName(), ApplicationModel.TYPE_FOLDERLINK, props);
                                        // apply the uifacets aspect - icon, title and description props
                                        Map<QName, Serializable> uiFacetsProps = new HashMap<QName, Serializable>(4, 1.0f);
                                        uiFacetsProps.put(ApplicationModel.PROP_ICON, "space-icon-link");
                                        uiFacetsProps.put(ContentModel.PROP_TITLE, currentName);
                                        uiFacetsProps.put(ContentModel.PROP_DESCRIPTION, currentName);
                                        nodeService.addAspect(childRef.getChildRef(), ApplicationModel.ASPECT_UIFACETS, uiFacetsProps);
                                    }
                                }
                            } else {
                                // COPY operation
                                if (logger.isDebugEnabled())
                                    logger.debug("Attempting to copy node: " + getNodeRef() + " into node ID: " + destRef.toString());
                                // first check that we are not attempting to copy a duplicate into the same parent
                                if (destRef.equals(assocRef.getParentRef()) && currentName.equals(getName())) {
                                    // manually change the name if this occurs
                                    throw new FileExistsException(destRef, currentName);
                                }
                                if (dd.isSubClass(getType(), ContentModel.TYPE_CONTENT) || dd.isSubClass(getType(), ContentModel.TYPE_FOLDER)) {
                                    // copy the file/folder
                                    fileFolderService.copy(getNodeRef(), destRef, currentName);
                                } else if (dd.isSubClass(getType(), ContentModel.TYPE_MULTILINGUAL_CONTAINER)) {
                                    // copy the mlContainer and its translations
                                    multilingualContentService.copyTranslationContainer(getNodeRef(), destRef, currentTranslationPrefix);
                                } else {
                                    // copy the node
                                    if (checkExists(currentName, destRef) == false) {
                                        copyService.copyAndRename(getNodeRef(), destRef, ContentModel.ASSOC_CONTAINS, assocRef.getQName(), true);
                                    }
                                }
                            }
                        } else {
                            // MOVE operation
                            if (logger.isDebugEnabled())
                                logger.debug("Attempting to move node: " + getNodeRef() + " into node ID: " + destRef.toString());
                            if (dd.isSubClass(getType(), ContentModel.TYPE_CONTENT) || dd.isSubClass(getType(), ContentModel.TYPE_FOLDER)) {
                                // move the file/folder
                                fileFolderService.moveFrom(getNodeRef(), getParent(), destRef, currentName);
                            } else if (dd.isSubClass(getType(), ContentModel.TYPE_MULTILINGUAL_CONTAINER)) {
                                // copy the mlContainer and its translations
                                multilingualContentService.moveTranslationContainer(getNodeRef(), destRef);
                            } else {
                                if (isPrimaryParent) {
                                    // move the node
                                    nodeService.moveNode(getNodeRef(), destRef, ContentModel.ASSOC_CONTAINS, assocRef.getQName());
                                } else {
                                    nodeService.removeChild(getParent(), getNodeRef());
                                    nodeService.addChild(destRef, getNodeRef(), assocRef.getTypeQName(), assocRef.getQName());
                                }
                            }
                        }
                        return null;
                    }
                });
                // We got here without error, so no need to loop with a new name
                break;
            } catch (FileExistsException fileExistsErr) {
                // If mode is COPY, have another go around the loop with a new name
                if (getMode() == ClipboardStatus.COPY) {
                    String copyOf = Application.getMessage(fc, MSG_COPY_OF);
                    name = copyOf + ' ' + name;
                    translationPrefix = copyOf + ' ' + translationPrefix;
                } else {
                    // we should not rename an item when it is being moved - so exit
                    throw fileExistsErr;
                }
            }
        }
        return true;
    } else {
        return false;
    }
}

Example 4 with FileExistsException

use of org.alfresco.service.cmr.model.FileExistsException in project records-management by Alfresco.

the class RecordsEntityResource method fileRecord.

@Operation("file")
@WebApiDescription(title = "File record", description = "File a record into fileplan.")
public Record fileRecord(String recordId, TargetContainer target, Parameters parameters, WithResponse withResponse) {
    checkNotBlank("recordId", recordId);
    mandatory("target", target);
    mandatory("targetParentId", target.getTargetParentId());
    mandatory("parameters", parameters);
    // Get record and target folder
    NodeRef record = apiUtils.validateRecord(recordId);
    NodeRef targetRecordFolder = apiUtils.lookupAndValidateNodeType(target.getTargetParentId(), RecordsManagementModel.TYPE_RECORD_FOLDER);
    // Get the current parent type to decide if we link or move the record
    NodeRef primaryParent = nodeService.getPrimaryParent(record).getParentRef();
    if (RecordsManagementModel.TYPE_RECORD_FOLDER.equals(nodeService.getType(primaryParent))) {
        recordService.link(record, targetRecordFolder);
    } else {
        try {
            fileFolderService.moveFrom(record, primaryParent, targetRecordFolder, null);
        } catch (FileExistsException e) {
            throw new IntegrityException(e.getMessage(), null);
        } catch (FileNotFoundException e) {
            throw new ConcurrencyFailureException("The record was deleted while filing it", e);
        }
    }
    // return record state
    FileInfo info = fileFolderService.getFileInfo(record);
    return nodesModelFactory.createRecord(info, parameters, null, false);
}

Example 5 with FileExistsException

use of org.alfresco.service.cmr.model.FileExistsException in project acs-community-packaging by Alfresco.

the class DocumentPropertiesDialog method save.

/**
 * Event handler used to save the edited properties back to the repository
 *
 * @return The outcome
 */
public String save() {
    String outcome = "cancel";
    UserTransaction tx = null;
    try {
        tx = Repository.getUserTransaction(FacesContext.getCurrentInstance());
        tx.begin();
        NodeRef nodeRef = this.browseBean.getDocument().getNodeRef();
        Map<String, Object> props = this.editableNode.getProperties();
        // get the name and move the node as necessary
        String name = (String) props.get(ContentModel.PROP_NAME);
        if (name != null) {
            getFileFolderService().rename(nodeRef, name);
        }
        Map<QName, Serializable> properties = getNodeService().getProperties(nodeRef);
        // we need to put all the properties from the editable bag back into
        // the format expected by the repository
        // Deal with the special mimetype property for ContentData
        String mimetype = (String) props.get(TEMP_PROP_MIMETYPE);
        if (mimetype != null) {
            // remove temporary prop from list so it isn't saved with the others
            props.remove(TEMP_PROP_MIMETYPE);
            ContentData contentData = (ContentData) props.get(ContentModel.PROP_CONTENT);
            if (contentData != null) {
                contentData = ContentData.setMimetype(contentData, mimetype);
                props.put(ContentModel.PROP_CONTENT.toString(), contentData);
            }
        }
        // Deal with the special encoding property for ContentData
        String encoding = (String) props.get(TEMP_PROP_ENCODING);
        if (encoding != null) {
            // remove temporary prop from list so it isn't saved with the others
            props.remove(TEMP_PROP_ENCODING);
            ContentData contentData = (ContentData) props.get(ContentModel.PROP_CONTENT);
            if (contentData != null) {
                contentData = ContentData.setEncoding(contentData, encoding);
                props.put(ContentModel.PROP_CONTENT.toString(), contentData);
            }
        }
        // extra and deal with the Author prop if the aspect has not been applied yet
        String author = (String) props.get(ContentModel.PROP_AUTHOR);
        if (author != null && author.length() != 0) {
            // add aspect if required
            if (getNodeService().hasAspect(nodeRef, ContentModel.ASPECT_AUTHOR) == false) {
                Map<QName, Serializable> authorProps = new HashMap<QName, Serializable>(1, 1.0f);
                authorProps.put(ContentModel.PROP_AUTHOR, author);
                getNodeService().addAspect(nodeRef, ContentModel.ASPECT_AUTHOR, authorProps);
            }
        // else it will get updated in the later setProperties() call
        }
        // deal with adding the "titled" aspect if required
        String title = (String) props.get(ContentModel.PROP_TITLE);
        String description = (String) props.get(ContentModel.PROP_DESCRIPTION);
        if (title != null || description != null) {
            // add the aspect to be sure it's present
            getNodeService().addAspect(nodeRef, ContentModel.ASPECT_TITLED, null);
        // props will get added later in setProperties()
        }
        // add the remaining properties
        Iterator<String> iterProps = props.keySet().iterator();
        while (iterProps.hasNext()) {
            String propName = iterProps.next();
            QName qname = QName.createQName(propName);
            // make sure the property is represented correctly
            Serializable propValue = (Serializable) props.get(propName);
            // check for empty strings when using number types, set to null in this case
            if ((propValue != null) && (propValue instanceof String) && (propValue.toString().length() == 0)) {
                PropertyDefinition propDef = getDictionaryService().getProperty(qname);
                if (propDef != null) {
                    if (propDef.getDataType().getName().equals(DataTypeDefinition.DOUBLE) || propDef.getDataType().getName().equals(DataTypeDefinition.FLOAT) || propDef.getDataType().getName().equals(DataTypeDefinition.INT) || propDef.getDataType().getName().equals(DataTypeDefinition.LONG)) {
                        propValue = null;
                    }
                }
            }
            properties.put(qname, propValue);
        }
        // send the properties back to the repository
        getNodeService().setProperties(this.browseBean.getDocument().getNodeRef(), properties);
        // we also need to persist any association changes that may have been made
        // add any associations added in the UI
        Map<String, Map<String, AssociationRef>> addedAssocs = this.editableNode.getAddedAssociations();
        for (Map<String, AssociationRef> typedAssoc : addedAssocs.values()) {
            for (AssociationRef assoc : typedAssoc.values()) {
                getNodeService().createAssociation(assoc.getSourceRef(), assoc.getTargetRef(), assoc.getTypeQName());
            }
        }
        // remove any association removed in the UI
        Map<String, Map<String, AssociationRef>> removedAssocs = this.editableNode.getRemovedAssociations();
        for (Map<String, AssociationRef> typedAssoc : removedAssocs.values()) {
            for (AssociationRef assoc : typedAssoc.values()) {
                getNodeService().removeAssociation(assoc.getSourceRef(), assoc.getTargetRef(), assoc.getTypeQName());
            }
        }
        // add any child associations added in the UI
        Map<String, Map<String, ChildAssociationRef>> addedChildAssocs = this.editableNode.getAddedChildAssociations();
        for (Map<String, ChildAssociationRef> typedAssoc : addedChildAssocs.values()) {
            for (ChildAssociationRef assoc : typedAssoc.values()) {
                getNodeService().addChild(assoc.getParentRef(), assoc.getChildRef(), assoc.getTypeQName(), assoc.getTypeQName());
            }
        }
        // remove any child association removed in the UI
        Map<String, Map<String, ChildAssociationRef>> removedChildAssocs = this.editableNode.getRemovedChildAssociations();
        for (Map<String, ChildAssociationRef> typedAssoc : removedChildAssocs.values()) {
            for (ChildAssociationRef assoc : typedAssoc.values()) {
                getNodeService().removeChild(assoc.getParentRef(), assoc.getChildRef());
            }
        }
        // commit the transaction
        tx.commit();
        // set the outcome to refresh
        outcome = "finish";
        // reset the document held by the browse bean as it's just been updated
        this.browseBean.getDocument().reset();
    } catch (FileExistsException e) {
        // rollback the transaction
        try {
            if (tx != null) {
                tx.rollback();
            }
        } catch (Exception ex) {
        }
        // print status message
        String statusMsg = MessageFormat.format(Application.getMessage(FacesContext.getCurrentInstance(), "error_exists"), e.getName());
        Utils.addErrorMessage(statusMsg);
        // no outcome
        outcome = null;
    } catch (InvalidNodeRefException err) {
        // rollback the transaction
        try {
            if (tx != null) {
                tx.rollback();
            }
        } catch (Exception ex) {
        }
        Utils.addErrorMessage(MessageFormat.format(Application.getMessage(FacesContext.getCurrentInstance(), Repository.ERROR_NODEREF), new Object[] { this.browseBean.getDocument().getId() }));
        // this failure means the node no longer exists - we cannot show the doc properties screen
        outcome = "browse";
    } catch (Throwable e) {
        // rollback the transaction
        try {
            if (tx != null) {
                tx.rollback();
            }
        } catch (Exception ex) {
        }
        Utils.addErrorMessage(MessageFormat.format(Application.getMessage(FacesContext.getCurrentInstance(), Repository.ERROR_GENERIC), e.getMessage()), e);
    }
    return outcome;
}