Examples of org.apache.cocoon.environment.Request

org.apache.cocoon.environment.Request
Defines an interface to provide client request information . @author Davanum Srinivas @author Carsten Ziegeler @author Berin Loritsch @version CVS $Id: Request.java,v 1.1 2003/03/09 00:09:28 pier Exp $

                NodeList transformations = DOMUtil.selectNodeList(copletConf,
                                                        "transformation/stylesheet");
                Transformer xslT = null;
                ArrayList transformers = new ArrayList();
                ComponentSelector selector = null;
                Request request = ObjectModelHelper.getRequest(this.objectModel);


                try {
                    if (transformations != null && transformations.getLength() > 0) {
                        selector = (ComponentSelector) this.manager.lookup(Transformer.ROLE + "Selector");
                        nextConsumer = new IncludeXMLConsumer(nextConsumer);
                        for(int k = transformations.getLength()-1; k >=0; k--) {
                            xslT = (Transformer)selector.select("xslt");
                            transformers.add(xslT);
                            xslT.setup(resolver,
                                       objectModel,
                                       DOMUtil.getValueOfNode(transformations.item(k)),
                                       new Parameters());
                            xslT.setConsumer(nextConsumer);
                            nextConsumer = xslT;
                        }
                        nextConsumer.startDocument();
                    }
                    boolean includeFragment = true;
                    boolean handlesParameters = DOMUtil.getValueAsBooleanOf(copletConf, "configuration/handlesParameters", true);
                    String size = p.getParameter("size", "max");
                    includeFragment = size.equals("max");
                    if (includeFragment == false) {
                        if (this.logger.isWarnEnabled() == true) {
                            this.logger.warn("Minimized coplet '"+copletID+"' not handled correctly.");
                        }
                    }
                    if ( includeFragment ) {
                        if (this.logger.isDebugEnabled() ) {
                            this.logger.debug("portal: Loading coplet " + copletID);
                        }
                        // add the parameters to the request attributes
                        Map info = new HashMap(3);
                        SessionContextImpl.copletInfo.set(info);
                        info.put(PortalConstants.COPLETINFO_PARAMETERS, p);
                        info.put(PortalConstants.COPLETINFO_PORTALURI, request.getRequestURI());
                        info.put(PortalConstants.COPLETINFO_STATUSPROFILE, loadedCoplet[7]);
                        XMLConsumer xc = new IncludeXMLConsumer(nextConsumer);
                        Source source = null;
                        try {
                            source = SourceUtil.getSource(resource,

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     * @param id the form id
     *
     * @return
     */
    public static Form lookup(Map sitemapObjectModel, String id) {
        Request request = getRequest(sitemapObjectModel);
        Form form = (Form) request.getAttribute(id);


        if (form!=null) {
            return form;
        } else {
            Session session = request.getSession(false);


            if (session!=null) {
                form = (Form) session.getAttribute(id);
            }
            return form;

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     *
     * @param sitemapObjectModel
     * @param id the form id
     */
    public static void remove(Map sitemapObjectModel, String id) {
        Request request = getRequest(sitemapObjectModel);


        request.removeAttribute(id);


        Session session = request.getSession(false);


        if (session!=null) {
            session.removeAttribute(id);
        }
    }

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     *
     * @param sitemapObjectModel
     * @param scope if true the form will be bound in the session, otherwise request
     */
    public void save(Map sitemapObjectModel, String scope) {
        Request request = getRequest(sitemapObjectModel);


        if (lookup(sitemapObjectModel, id_)!=null) {
            throw new java.lang.IllegalStateException("Form [id="+id_+
                                                      "] already bound in request or session ");
        }


        if (SCOPE_REQUEST.equals(scope)) {
            request.setAttribute(id_, this);
        } else // session scope
        {
            Session session = request.getSession(true);


            session.setAttribute(id_, this);
        }


    }

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  public TestBeanAction() {
  }


  public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String src, Parameters param) throws java.lang.Exception {
      Request request = ObjectModelHelper.getRequest(objectModel);
      Context context = ObjectModelHelper.getContext(objectModel);
      if(context != null)
        request.setAttribute("Wale",new  TestBean("Wale in the big sea","context"));


      Session session =request.getSession(true);
      session.setAttribute("Mouse",new  TestBean("Liveing in the session","session"));
      objectModel.put("Lion", new TestBean("Lion:walking on the sitemap","sitemap") );
      request.setAttribute("Hamster",new TestBean("Hamster:Wer hat nach mir gefragt","request")  );
      session.setAttribute("Elefant",new  TestBean("Elefant:from Africa","session"));
      request.setAttribute("Elefant",new  TestBean("Elefant:from India","request"));




      return objectModel;


  }

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    /**
     * Test if the media of the current request is the given value
     */
    public boolean testMedia(Map objectModel, String value) {
        // synchronized
        Request req = ObjectModelHelper.getRequest( objectModel );
        boolean result = false;


        if (req != null) {
            String useragent = request.getHeader("User-Agent");
            MediaType theMedia = null;

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            final String mapping = attr.getValue(ATTRIB_MAPPING);
            if (name == null){
                throw new SAXException("Required attribute name is missing on element " + CMD_INSERT_BEAN);
            }


            Request request = ObjectModelHelper.getRequest(objectModel);


            Object bean = null;
            if (scope == null) {
                // Search for bean in (1) objectModel, (2) request, (3) session, and (4) context.
                bean = request.getAttribute(name);
                if (bean == null) {
                    Session session = request.getSession(false);
                    if (session != null) {
                        bean = session.getAttribute(name);
                    }
                }
                if (bean == null) {
                    Context context = ObjectModelHelper.getContext(objectModel);
                    if (context != null) {
                        bean = context.getAttribute(name);
                    }
                }
                if (bean == null) {
                    bean = objectModel.get(name);
                }
            } else if (SCOPE_SITEMAP.equals(scope)) {
                bean = objectModel.get(name);
            } else if (SCOPE_REQUEST.equals(scope)) {
                bean = request.getAttribute(name);
            } if (SCOPE_SESSION.equals(scope)) {
                Session session = request.getSession(false);
                if (session != null) {
                    bean = session.getAttribute(name);
                }
            } if (SCOPE_CONTEXT.equals(scope)) {
                Context context = ObjectModelHelper.getContext(objectModel);

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                cs = false;
            }


            datasource = this.getDataSource(conf);
            conn = datasource.getConnection();
            Request req = ObjectModelHelper.getRequest(objectModel);


            /* check request validity */
            if (req == null) {
                getLogger ().debug ("DBAUTH: no request object");
                return null;
            }


            String query = this.getAuthQuery (conf, req);
            if (query == null) {
                getLogger ().debug ("DBAUTH: have not got query");
                req.setAttribute("message", "The authenticator is misconfigured");
                return null;
            }


            getLogger ().debug ("DBAUTH: query is: " + query);
            st = conn.createStatement ();
            rs = st.executeQuery (query);


            if (rs.next ()) {
                getLogger ().debug ("DBAUTH: authorized successfully");
                Session session = null;


                if (cs) {
                    session = req.getSession (false);
                    if (session != null)
                        session.invalidate ();
                    session = req.getSession (true);
                    if (session == null)
                        return null;
                    getLogger ().debug ("DBAUTH: session created");
                } else {
                    getLogger ().debug ("DBAUTH: leaving session untouched");
                }


                HashMap actionMap = this.propagateParameters (conf, rs,
                        session);
                if(!conn.getAutoCommit()) {
                    conn.commit();
                }
                return Collections.unmodifiableMap (actionMap);
            }
            if(!conn.getAutoCommit()) {
                conn.rollback();
            }


            req.setAttribute("message", "The username or password were incorrect, please check your CAPS LOCK key and try again.");
            getLogger ().debug ("DBAUTH: no results for query");
        } catch (Exception e) {
            if (conn != null) {
                try {
                    if(!conn.getAutoCommit()) {

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            statement.setString(1, this.source);
            ResultSet set = statement.executeQuery();
            if (!set.next()) throw new ResourceNotFoundException("There is no resource with that key");


            Response response = ObjectModelHelper.getResponse(objectModel);
            Request request = ObjectModelHelper.getRequest(objectModel);


            if (this.modifiedSince(set, request, response)) {
                this.resource = set.getBinaryStream(1);
                if (this.typeColumn != 0) {
                    this.mimeType = set.getString(this.typeColumn);

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    /**
     * Returns a JXPathContext bound to the "request" scope. Caches that context
     * within the request itself.
     */
    public final JXPathContext getRequestContext() {
        Request request = ObjectModelHelper.getRequest(objectModel);
        JXPathContext context = (JXPathContext) request.getAttribute(Constants.JXPATH_CONTEXT);
        if (context == null) {
            Context cocoonContext = ObjectModelHelper.getContext(objectModel);
            JXPathContext parentContext = null;
            Session session = request.getSession(false);
            if (session != null) {
                parentContext = getSessionContext(session, cocoonContext);
            } else {
                parentContext = getApplicationContext(cocoonContext);
            }
            if (request.getClass() != HttpRequest.class)
                JXPathIntrospector.registerDynamicClass(request.getClass(), CocoonRequestHandler.class);
            context = factory.newContext(parentContext, request);
            context.setVariables(new KeywordVariables(Constants.REQUEST_SCOPE, request));
            request.setAttribute(Constants.JXPATH_CONTEXT, context);
        }
        return context;
    }

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