| /* |
| * 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.layout.renderer.aspect.impl; |
| |
| import org.apache.cocoon.portal.PortalService; |
| import org.apache.cocoon.portal.coplet.CopletInstanceData; |
| import org.apache.cocoon.portal.event.impl.LayoutRemoveEvent; |
| import org.apache.cocoon.portal.layout.Layout; |
| import org.apache.cocoon.portal.layout.impl.CopletLayout; |
| import org.apache.cocoon.portal.layout.renderer.aspect.RendererAspectContext; |
| import org.apache.cocoon.xml.XMLUtils; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * Add a tag holding a URI used to remove a coplet from a layout to the |
| * output stream if the coplet is not set to mandatory. |
| * |
| * <h2>Example XML:</h2> |
| * <pre> |
| * <remove-uri>layout-remove-event</remove-uri> |
| * <!-- output from following renderers --> |
| * </pre> |
| * |
| * <h2>Applicable to:</h2> |
| * <ul> |
| * <li>{@link org.apache.cocoon.portal.layout.impl.CopletLayout}</li> |
| * </ul> |
| * |
| * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a> |
| * @author <a href="mailto:volker.schmitt@basf-it-services.com">Volker Schmitt</a> |
| * |
| * @version CVS $Id$ |
| */ |
| public class RemovableAspect |
| extends AbstractAspect { |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.portal.layout.renderer.RendererAspect#toSAX(org.apache.cocoon.portal.layout.renderer.RendererAspectContext, org.apache.cocoon.portal.layout.Layout, org.apache.cocoon.portal.PortalService, org.xml.sax.ContentHandler) |
| */ |
| public void toSAX(RendererAspectContext context, |
| Layout layout, |
| PortalService service, |
| ContentHandler handler) |
| throws SAXException { |
| |
| CopletInstanceData cid = ((CopletLayout)layout).getCopletInstanceData(); |
| |
| Boolean mandatory = (Boolean)cid.getCopletData().getAspectData("mandatory"); |
| if ( !mandatory.booleanValue() ) { |
| LayoutRemoveEvent lre = new LayoutRemoveEvent(layout); |
| XMLUtils.createElement(handler, "remove-uri", service.getComponentManager().getLinkService().getLinkURI(lre)); |
| } |
| context.invokeNext(layout, service, handler); |
| } |
| |
| } |