| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.cocoon.transformation; |
| |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.avalon.framework.service.ServiceManager; |
| import org.apache.cocoon.environment.ObjectModelHelper; |
| import org.apache.cocoon.environment.Request; |
| import org.apache.cocoon.components.deli.Deli; |
| |
| import java.util.Map; |
| import java.util.HashMap; |
| |
| /** |
| * This Transformer is used to transform this incoming SAX stream using |
| * a XSLT stylesheet and have parameters available to the stylesheet |
| * augmented by the DELI CC/PP user-agent profile database |
| * |
| * This transformer extends the default TraxTransformer and thus inherits |
| * all the properties and configuration parameters of that transformer. |
| * Please refer to its documentation for more information. |
| * |
| * @author <a href="mailto:marbut@hplb.hpl.hp.com">Mark H. Butler</a> |
| * @author <a href="mailto:stefano@apache.org">Stefano Mazzocchi</a> |
| * @version CVS $Id$ |
| */ |
| public class DeliTransformer extends TraxTransformer { |
| |
| /** The DELI service instance */ |
| private Deli deli; |
| |
| /** |
| * Set the current <code>ServiceManager</code> instance used by this |
| * <code>Serviceable</code>. |
| */ |
| public void service(ServiceManager manager) throws ServiceException { |
| super.service(manager); |
| |
| this.deli = (Deli) this.manager.lookup(Deli.ROLE); |
| } |
| |
| /** |
| * Get the parameters for the logicsheet |
| */ |
| protected Map getLogicSheetParameters() { |
| Map map = super.getLogicSheetParameters(); |
| |
| if (this.deli != null) { |
| try { |
| Request request = ObjectModelHelper.getRequest(objectModel); |
| if (map == null) { |
| map = new HashMap(); |
| } |
| |
| org.w3c.dom.Document deliCapabilities = this.deli.getUACapabilities(request); |
| map.put("deli-capabilities", deliCapabilities); |
| |
| String accept = request.getParameter("accept"); |
| if (accept == null) { |
| accept = request.getHeader("accept"); |
| } |
| |
| // add the accept param |
| map.put("accept", accept); |
| } catch (Exception e) { |
| getLogger().error("Error setting DELI info", e); |
| } |
| } |
| |
| this.logicSheetParameters = map; |
| return this.logicSheetParameters; |
| } |
| |
| /** |
| * Disposable |
| */ |
| public void dispose() { |
| if ( this.manager != null ) { |
| this.manager.release(this.deli); |
| this.deli = null; |
| } |
| super.dispose(); |
| } |
| } |