Examples of org.apache.slide.common.NamespaceAccessToken

org.apache.slide.common.NamespaceAccessToken
The NamespaceAccessToken is an interface used to completely hide the real {@link Namespace Namespace} object reference from the clientapplication. It is used by Slide to authenticate and control any operations on the namespace.
Using the NamespaceAccessToken, the application can obtain access to the helper interfaces (Content, Lock, Macro, Security and Structure).

The NamespaceAccessToken object implements the UserTransaction interface (see the Java Transaction API documentation for more details) to allow the client to control transaction demarcation.
@author Remy Maucherat @version $Revision: 1.18.2.1 $

        
        if (path == null || path.length() == 0) {
            path = "/";
        }
        
        NamespaceAccessToken nat = m_repository.getNamespaceToken(namespace);
        if (nat == null) {
            throw new SourceException("No such namespace: " + namespace);
        }


        SourceParameters queryParameters = null;


        if (query == null || query.length() == 0) {
            queryParameters = new SourceParameters();
        } else {
            queryParameters = new SourceParameters(query);
        }


        String version = queryParameters.getParameter("version",null);
        String scope   = queryParameters.getParameter("scope",
            nat.getNamespaceConfig().getFilesPath());
        
        if (getLogger().isDebugEnabled()) {
            getLogger().debug("scheme: " + scheme);
            getLogger().debug("principal: " + principal);
            getLogger().debug("namespace: " + namespace);

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            final int lifetime = node.getAttributeAsInt("subscription-lifetime", 3600);
            final int notificationDelay = node.getAttributeAsInt("notification-delay", 0);


            final Subscriber contentSubscriber = new Subscriber() {
                public void notify(String uri, Map information) {
                    NamespaceAccessToken nat = Domain.accessNamespace(new SecurityToken(this), Domain.getDefaultNamespace());
                    try {
                        nat.begin();
                        Iterator keys = information.keySet().iterator();
                        while (keys.hasNext()) {
                            String key = keys.next().toString();
                            if ("uri".equals(key)) {
                                Uri theUri = nat.getUri(new SlideTokenImpl(new CredentialsToken("")), stripUri(information.get(key).toString()));
                                Store store = theUri.getStore();
                                if (store instanceof ExtendedStore) {
                                    Domain.log("Resetting cache for " + theUri, LOG_CHANNEL, Logger.INFO);
                                    ((ExtendedStore) store).removeObjectFromCache(theUri);
                                }
                            }
                        }
                        nat.commit();
                    } catch(Exception e) {
                      if (Domain.isEnabled(LOG_CHANNEL, Logger.ERROR)) {
                        Domain.log("Error clearing cache: " + e + ". See stderr for stacktrace.", LOG_CHANNEL, Logger.ERROR);
                        e.printStackTrace();
                      }
                    }
                }
            };


            final Subscriber structureSubscriber = new Subscriber() {
                public void notify(String uri, Map information) {
                    NamespaceAccessToken nat = Domain.accessNamespace(new SecurityToken(this), Domain.getDefaultNamespace());
                    try {
                        nat.begin();
                      Iterator keys = information.keySet().iterator();
                      while (keys.hasNext()) {
                          String key = keys.next().toString();
                          if ("uri".equals(key)) {
                              Uri theUri = nat.getUri(new SlideTokenImpl(new CredentialsToken("")), stripUri(information.get(key).toString()));
                              Store store = theUri.getParentUri().getStore();
                              if (store instanceof ExtendedStore) {
                                  Domain.log("Resetting cache for " + theUri.getParentUri(), LOG_CHANNEL, Logger.INFO);
                                  ((ExtendedStore) store).removeObjectFromCache(theUri.getParentUri());
                              }
                          }
                      }
                        nat.commit();
                    } catch(Exception e) {
                      if (Domain.isEnabled(LOG_CHANNEL, Logger.ERROR)) {
                        Domain.log("Error clearing cache: " + e + ". See stderr for stacktrace.", LOG_CHANNEL, Logger.ERROR);
                        e.printStackTrace();
                      }

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        if (path == null || path.length() == 0) {
            path = "/";
        }
        
        NamespaceAccessToken nat = m_repository.getNamespaceToken(namespace);
        if (nat == null) {
            throw new SourceException("No such namespace: " + namespace);
        }


        SourceParameters queryParameters = null;


        if (query == null || query.length() == 0) {
            queryParameters = new SourceParameters();
        } else {
            queryParameters = new SourceParameters(query);
        }


        String version = queryParameters.getParameter("version",null);
        String scope   = queryParameters.getParameter("scope",
            nat.getNamespaceConfig().getFilesPath());
        boolean eventCaching = queryParameters.getParameterAsBoolean("event-caching",false);
        
        if (getLogger().isDebugEnabled()) {
            getLogger().debug("scheme: " + scheme);
            getLogger().debug("principal: " + principal);

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        if (namespace == null) {
            namespace = Domain.getDefaultNamespace();
        }
        
        // access the namespace
        NamespaceAccessToken nat = Domain.accessNamespace(new SecurityToken(this),namespace);
        m_content = nat.getContentHelper();
        m_security = nat.getSecurityHelper();
        m_usersPath = nat.getNamespaceConfig().getUsersPath();
        m_rolesPath = nat.getNamespaceConfig().getRolesPath();
    }

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            context.getServletContext().setAttribute
                ("org.apache.slide.NamespaceName", namespaceName);
            ((ApplicationContext) context.getServletContext())
                .setAttributeReadOnly("org.apache.slide.NamespaceName");


            NamespaceAccessToken accessToken = 
                domain.getNamespaceToken(namespaceName);


            SlideRealm slideRealm = new SlideRealm();
            slideRealm.setAccessToken(accessToken);
            slideRealm.setNamespace(namespaceName);

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     * @return NamespaceBean representing the requested namespace
     */
    public NamespaceBean getNamespace(String name) {
        
        NamespaceBean bean = null;
        NamespaceAccessToken token = 
            Domain.accessNamespace(new SecurityToken(this), name);
        if (token != null) {
            bean = new NamespaceBean(token, st);
        }

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            }
            if (namespaceName.equals("")) {
                namespaceName = domain.getDefaultNamespace();
            }


            NamespaceAccessToken accessToken = 
                domain.getNamespaceToken(namespaceName);


            SlideRealm slideRealm = new SlideRealm();
            slideRealm.setAccessToken(accessToken);
            slideRealm.setNamespace(namespaceName);

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            }
            if (namespaceName.equals("")) {
                namespaceName = domain.getDefaultNamespace();
            }


            NamespaceAccessToken accessToken = 
                domain.getNamespaceToken(namespaceName);


            SlideRealm slideRealm = new SlideRealm();
            slideRealm.setAccessToken(accessToken);
            slideRealm.setNamespace(namespaceName);

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                return null;
            }


            SlideRepository sliderepository = (SlideRepository) repository;


            NamespaceAccessToken nat = sliderepository.getNamespaceToken(namespace);


            if (nat==null) {
                throw new SourceException("Repository with the namespace '"+
                                          namespace+"' couldn't be found");
            }

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                return null;
            }


            SlideRepository sliderepository = (SlideRepository) repository;


            NamespaceAccessToken nat = sliderepository.getNamespaceToken(namespace);


            if (nat==null) {
                throw new SourceException("Repository with the namespace '"+
                                          namespace+"' couldn't be found");
            }

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