XML output for ccm-sci-assets-publicationsabout

git-svn-id: https://svn.libreccm.org/ccm/trunk@2615 8810af33-2d31-482b-a856-94f89814c4df

ccm-sci-assets-publicationsabout/src/com/arsdigita/cms/contentassets/SciPublicationsAboutInitializer.java

@@ -20,8 +20,10 @@ package com.arsdigita.cms.contentassets;
 
 import com.arsdigita.cms.contentassets.ui.SciPublicationsAboutDiscussesStep;
 import com.arsdigita.cms.contentassets.ui.SciPublicationsAboutDiscussingStep;
+import com.arsdigita.cms.contentassets.ui.SciPublicationsAboutExtraXMLGenerator;
 import com.arsdigita.cms.contenttypes.ContentItemTraversalAdapter;
 import com.arsdigita.cms.contenttypes.Publication;
+import com.arsdigita.cms.contenttypes.ui.PublicationExtraXmlGenerator;
 import com.arsdigita.cms.ui.authoring.AuthoringKitWizard;
 import com.arsdigita.db.DbHelper;
 import com.arsdigita.domain.DomainObjectTraversalAdapter;
@@ -87,6 +89,8 @@ public class SciPublicationsAboutInitializer extends CompoundInitializer {
             new GlobalizedMessage("com.arsdigita.cms.contentassets.about.discussing.desc",
                                   "com.arsdigita.cms.contentassets.SciPublicationsAboutResources"),
             40);
+        
+        PublicationExtraXmlGenerator.addExteningGenerator(new SciPublicationsAboutExtraXMLGenerator());
     }
 
 }

ccm-sci-assets-publicationsabout/src/com/arsdigita/cms/contentassets/ui/SciPublicationsAboutExtraXMLGenerator.java

@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2010 Jens Pelzetter
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+package com.arsdigita.cms.contentassets.ui;
+
+import com.arsdigita.bebop.Page;
+import com.arsdigita.bebop.PageState;
+import com.arsdigita.cms.ContentItem;
+import com.arsdigita.cms.ExtraXMLGenerator;
+import com.arsdigita.cms.contentassets.PublicationCollection;
+import com.arsdigita.cms.contentassets.SciPublicationsAboutService;
+import com.arsdigita.cms.contenttypes.Publication;
+import com.arsdigita.cms.dispatcher.SimpleXMLGenerator;
+import com.arsdigita.xml.Element;
+
+/**
+ *
+ * @author Jens Pelzetter
+ * @version $Id$
+ */
+public class SciPublicationsAboutExtraXMLGenerator implements ExtraXMLGenerator {
+
+    private boolean listMode;
+    
+    @Override
+    public void generateXML(final ContentItem item,
+                            final Element element,
+                            final PageState state) {
+        if (listMode) {
+            return;
+        }
+        
+        if (!(item instanceof Publication)) {
+            throw new IllegalArgumentException(String.format(
+                    "ExtraXMLGenerator '%s' only supports items of type '%s'.",
+                    getClass().getName(),
+                    Publication.class.getName()));
+        }
+
+        final Publication publication = (Publication) item;
+        final SciPublicationsAboutService service = new SciPublicationsAboutService();
+        final PublicationCollection discussedPublications = service.getDiscussedPublications(
+                publication);
+        final PublicationCollection discussingPublications = service.
+                getDiscussingPublications(publication);
+         if ((discussedPublications != null) && !discussedPublications.isEmpty()) {
+            final Element discussedElem = element.newChildElement("discussedPublications");
+            
+            while(discussedPublications.next()) {
+                addDiscussedPublication(discussedElem, 
+                                        discussedPublications.getPublication(), 
+                                        state);
+            }
+        }
+        
+        if ((discussingPublications != null) && !discussingPublications.isEmpty()) {
+            final Element discussingElem = element.newChildElement("discussingPublications");
+            
+            while(discussingPublications.next()) {
+                addDiscussingPublication(discussingElem, 
+                                         discussingPublications.getPublication(), 
+                                         state);
+            }
+        }
+    }
+    
+    private void addDiscussedPublication(final Element parent, 
+                                         final Publication discussed, 
+                                         final PageState state) {
+        final XmlGenerator generator = new XmlGenerator(discussed);
+        generator.setItemElemName("discussedPublication", "");
+        generator.setListMode(true);
+        generator.generateXML(state, parent, "");
+    }
+    
+    private void addDiscussingPublication(final Element parent, 
+                                          final Publication discussing,
+                                          final PageState state) {
+        final XmlGenerator generator = new XmlGenerator(discussing);
+        generator.setItemElemName("discussingPublication", "");
+        generator.setListMode(true);
+        generator.generateXML(state, parent, "");
+    }
+
+    @Override
+    public void addGlobalStateParams(final Page page) {
+        //Nothing
+    }
+
+    @Override
+    public void setListMode(final boolean listMode) {
+        this.listMode = listMode;
+    }
+    
+    private class XmlGenerator extends SimpleXMLGenerator {
+
+        private final ContentItem item;
+
+        public XmlGenerator(final ContentItem item) {
+            super();
+            this.item = item;
+        }
+
+        @Override
+        protected ContentItem getContentItem(final PageState state) {
+            return item;
+        }
+
+    }
+
+}

ccm-sci-publications/src/com/arsdigita/cms/contenttypes/ui/PublicationExtraXmlGenerator.java

@@ -34,6 +34,7 @@ import com.arsdigita.cms.scipublications.imexporter.PublicationFormat;
 import com.arsdigita.cms.scipublications.exporter.SciPublicationsExporters;
 import com.arsdigita.globalization.GlobalizationHelper;
 import com.arsdigita.xml.Element;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -43,8 +44,13 @@ import java.util.List;
  */
 public class PublicationExtraXmlGenerator implements ExtraXMLGenerator {
 
+    private final static List<ExtraXMLGenerator> EXTENDING_GENERATORS = new ArrayList<ExtraXMLGenerator>();
     private boolean listMode;
 
+    public static void addExteningGenerator(final ExtraXMLGenerator generator) {
+        EXTENDING_GENERATORS.add(generator);
+    }
+    
     @Override
     public void generateXML(final ContentItem item,
                             final Element element,
@@ -75,6 +81,11 @@ public class PublicationExtraXmlGenerator implements ExtraXMLGenerator {
                 createExportLink(format, element, (Publication) item, state);
             }
         }
+        
+        for (ExtraXMLGenerator extending : EXTENDING_GENERATORS) {
+            extending.setListMode(listMode);
+            extending.generateXML(item, element, state);
+        }
 //        System.out.printf("[%s] Created extra XML in %d ms\n",
 //                          PublicationExtraXmlGenerator.class.getName(),
 //                          (System.nanoTime() - start) / 1000000);