| /* |
| * 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.portal.components.modules.input; |
| |
| import java.util.Map; |
| |
| import org.apache.avalon.framework.configuration.Configuration; |
| import org.apache.avalon.framework.configuration.ConfigurationException; |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.cocoon.portal.PortalService; |
| import org.apache.commons.jxpath.JXPathContext; |
| |
| /** |
| * This input module gives access to information stored in a layout object |
| * by using JXPathExpressions. |
| * The syntax to use is LAYOUT_ID/PATH or LAYOUT_KEY:LAYOUT_ID/PATH |
| * |
| * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a> |
| * @version CVS $Id$ |
| */ |
| public class LayoutModule |
| extends AbstractModule { |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.components.modules.input.InputModule#getAttribute(java.lang.String, org.apache.avalon.framework.configuration.Configuration, java.util.Map) |
| */ |
| public Object getAttribute(String name, Configuration modeConf, Map objectModel) |
| throws ConfigurationException { |
| PortalService portalService = null; |
| try { |
| |
| portalService = (PortalService)this.manager.lookup(PortalService.ROLE); |
| |
| int pos = name.indexOf('/'); |
| String path; |
| if ( pos == -1 ) { |
| path = null; |
| } else { |
| path = name.substring(pos + 1); |
| name = name.substring(0, pos); |
| } |
| // is the layout key specified? |
| pos = name.indexOf(':'); |
| String layoutKey = null; |
| String layoutId = name; |
| if ( pos != -1 ) { |
| layoutKey = name.substring(0, pos); |
| layoutId = name.substring(pos + 1); |
| } |
| |
| // get the layout |
| final Object layout = portalService.getComponentManager().getProfileManager().getPortalLayout(layoutKey, layoutId); |
| Object value = layout; |
| if ( layout != null && path != null ) { |
| final JXPathContext jxpathContext = JXPathContext.newContext(layout); |
| value = jxpathContext.getValue(path); |
| } |
| return value; |
| } catch (ServiceException e) { |
| throw new ConfigurationException("Unable to lookup portal service.", e); |
| } finally { |
| this.manager.release(portalService); |
| } |
| } |
| } |