| /* |
| * 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.coplets.basket; |
| |
| import java.io.IOException; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| 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.ProcessingException; |
| import org.apache.cocoon.portal.PortalService; |
| import org.apache.cocoon.portal.coplet.CopletInstanceData; |
| import org.apache.cocoon.portal.coplets.basket.BasketManager.ActionInfo; |
| import org.apache.cocoon.portal.coplets.basket.events.AddItemEvent; |
| import org.apache.cocoon.portal.event.Event; |
| import org.apache.cocoon.xml.AttributesImpl; |
| import org.apache.cocoon.xml.XMLUtils; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * This transformer supports the basket and briefcase feature. It can generate links to |
| * add content into a content store. |
| * |
| * @version CVS $Id$ |
| */ |
| public class BasketTransformer |
| extends AbstractBasketTransformer { |
| |
| /** Element to add a link */ |
| protected static final String ADD_ITEM_ELEMENT = "add-item"; |
| |
| /** Element to show all actions */ |
| protected static final String SHOW_ACTIONS_ELEMENT = "show-actions"; |
| |
| /** The default store: briefcase or basket */ |
| protected String defaultStoreName = "basket"; |
| |
| /** The default link element name */ |
| protected String defaultLinkElement = "a"; |
| |
| /** The default namespace for the link element */ |
| protected String defaultLinkElementNS = ""; |
| |
| /* (non-Javadoc) |
| * @see org.apache.avalon.framework.configuration.Configurable#configure(org.apache.avalon.framework.configuration.Configuration) |
| */ |
| public void configure(Configuration configuration) |
| throws ConfigurationException { |
| super.configure(configuration); |
| this.defaultStoreName = configuration.getChild("default-store").getValue(this.defaultStoreName); |
| this.defaultLinkElement = configuration.getChild("default-link-element").getValue(this.defaultLinkElement); |
| this.defaultLinkElementNS = configuration.getChild("default-link-element-ns").getValue(this.defaultLinkElementNS); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.transformation.AbstractSAXTransformer#endTransformingElement(java.lang.String, java.lang.String, java.lang.String) |
| */ |
| public void endTransformingElement(String uri, String name, String raw) |
| throws ProcessingException, IOException, SAXException { |
| if ( ADD_ITEM_ELEMENT.equals(name) ) { |
| final String linkElementName = this.parameters.getParameter("link-element", this.defaultLinkElement); |
| final String linkElementNS = this.parameters.getParameter("link-element-ns", this.defaultLinkElementNS); |
| XMLUtils.endElement(this.contentHandler, linkElementNS, linkElementName); |
| } else if ( SHOW_ACTIONS_ELEMENT.equals(name) ) { |
| // nothing to do here |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.transformation.AbstractSAXTransformer#startTransformingElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes) |
| */ |
| public void startTransformingElement(String uri, String name, |
| String raw, Attributes attr) |
| throws ProcessingException, IOException, SAXException { |
| if ( ADD_ITEM_ELEMENT.equals(name) ) { |
| PortalService service = null; |
| try { |
| service = (PortalService)this.manager.lookup(PortalService.ROLE); |
| |
| // do we want to add content or a link? |
| boolean addContent = false; |
| final String value = attr.getValue("content"); |
| if ( value != null ) { |
| addContent = new Boolean(value).booleanValue(); |
| } |
| |
| // do we want to add a url or a coplet? |
| final ContentItem ci; |
| final String href = attr.getValue("href"); |
| if ( href != null ) { |
| ci = new ContentItem(href, addContent); |
| } else { |
| final String copletId = attr.getValue("coplet"); |
| final CopletInstanceData cid = service.getComponentManager().getProfileManager().getCopletInstanceData(copletId); |
| ci = new ContentItem(cid, addContent); |
| } |
| |
| // if a title is present set the title |
| final String title = attr.getValue("title"); |
| if(title!=null) { |
| ci.setTitle(title); |
| } |
| |
| // do we want to add the content to the basket or to the briefcase |
| final ContentStore store; |
| final String storeName = (attr.getValue("store") == null ? this.defaultStoreName : attr.getValue("store")); |
| if ("basket".equalsIgnoreCase(storeName) ) { |
| store = this.basketManager.getBasket(); |
| } else { |
| store = this.basketManager.getBriefcase(); |
| } |
| |
| final Event e = new AddItemEvent(store, ci); |
| final AttributesImpl ai = new AttributesImpl(); |
| String newLink = service.getComponentManager().getLinkService().getLinkURI(e); |
| // check for bockmark |
| final String bookmark = attr.getValue("bookmark"); |
| if ( bookmark != null && bookmark.length() > 0) { |
| int pos = newLink.indexOf('?') + 1; |
| final char separator; |
| if ( bookmark.indexOf('?') == -1 ) { |
| separator = '?'; |
| } else { |
| separator = '&'; |
| } |
| newLink = bookmark + separator + newLink.substring(pos); |
| } |
| ai.addCDATAAttribute("href", newLink); |
| |
| final String linkElementName = this.parameters.getParameter("link-element", this.defaultLinkElement); |
| final String linkElementNS = this.parameters.getParameter("link-element-ns", this.defaultLinkElementNS); |
| XMLUtils.startElement(this.contentHandler, linkElementNS, linkElementName, ai); |
| } catch (ServiceException se) { |
| throw new SAXException("Unable to lookup portal service.", se); |
| } finally { |
| this.manager.release(service); |
| } |
| } else if ( SHOW_ACTIONS_ELEMENT.equals(name) ) { |
| // basket or briefcase |
| final List actions; |
| final String storeName = (attr.getValue("store") == null ? this.defaultStoreName : attr.getValue("store")); |
| if ("basket".equalsIgnoreCase(storeName) ) { |
| actions = this.basketManager.getBasketActions(); |
| } else { |
| actions = this.basketManager.getBriefcaseActions(); |
| } |
| final String checkedAction = attr.getValue("checked"); |
| final Iterator i = actions.iterator(); |
| AttributesImpl a = new AttributesImpl(); |
| while ( i.hasNext() ) { |
| final BasketManager.ActionInfo current = (ActionInfo) i.next(); |
| a.addCDATAAttribute("name", current.name); |
| if ( current.name.equals(checkedAction) ) { |
| a.addCDATAAttribute("checked", "true"); |
| } |
| XMLUtils.createElement(this.xmlConsumer, "action", a); |
| a.clear(); |
| } |
| } |
| } |
| |
| } |
