org.argeo.app.core/src/org/argeo/app/docbook/DbkAcrUtils.java

   1 package org.argeo.app.docbook;
   2
   3 import org.argeo.api.acr.Content;
   4 import org.argeo.app.api.EntityType;
   5
   6 /** Utilities when using ACR to access DocBook. */
   7 public class DbkAcrUtils {
   8         /** Whether this DocBook element is of this type. */
   9         public static boolean isDbk(Content content, DbkType type) {
  10                 return content.isContentClass(type.qName());
  11         }
  12
  13         public static String getMediaFileref(Content node) {
  14                 Content mediadata;
  15                 if (node.hasChild(DbkType.imageobject)) {
  16                         mediadata = node.child(DbkType.imageobject).child(DbkType.imagedata);
  17                 } else {
  18                         mediadata = node.child(DbkType.videoobject).child(DbkType.videodata);
  19                 }
  20
  21                 if (mediadata.containsKey(DbkAttr.fileref)) {
  22                         return mediadata.attr(DbkAttr.fileref);
  23                 } else {
  24                         return null;
  25                 }
  26         }
  27
  28         public static Content getMetadata(Content infoContainer) {
  29                 if (!infoContainer.hasChild(DbkType.info))
  30                         return null;
  31                 Content info = infoContainer.child(DbkType.info);
  32                 if (!info.hasChild(EntityType.local))
  33                         return null;
  34                 return info.child(EntityType.local);
  35         }
  36
  37         /** singleton */
  38         private DbkAcrUtils() {
  39         }
  40 }