org.argeo.app.core/src/org/argeo/app/acr/terms/TermsContentProvider.java

   1 package org.argeo.app.acr.terms;
   2
   3 import java.util.Iterator;
   4 import java.util.List;
   5
   6 import org.argeo.api.acr.Content;
   7 import org.argeo.api.acr.ContentNotFoundException;
   8 import org.argeo.api.acr.spi.ProvidedContent;
   9 import org.argeo.api.acr.spi.ProvidedSession;
  10 import org.argeo.api.app.EntityType;
  11 import org.argeo.api.app.Term;
  12 import org.argeo.api.app.TermsManager;
  13 import org.argeo.api.app.Typology;
  14 import org.argeo.cms.acr.AbstractSimpleContentProvider;
  15 import org.argeo.cms.acr.ContentUtils;
  16
  17 public class TermsContentProvider extends AbstractSimpleContentProvider<TermsManager> {
  18
  19         public TermsContentProvider() {
  20                 super(EntityType.ENTITY_NAMESPACE_URI, EntityType.ENTITY_DEFAULT_PREFIX);
  21         }
  22
  23         @Override
  24         protected Iterator<Content> firstLevel(ProvidedSession session) {
  25                 return getService().getTypologies().stream().map((t) -> (Content) new TypologyContent(session, this, t))
  26                                 .iterator();
  27         }
  28
  29         @Override
  30         public ProvidedContent get(ProvidedSession session, List<String> segments) {
  31                 String typologyName = segments.get(0);
  32                 Typology typology = getService().getTypology(typologyName);
  33                 if (segments.size() == 1)
  34                         return new TypologyContent(session, this, typology);
  35                 Term currTerm = null;
  36                 terms: for (Term term : typology.getSubTerms()) {
  37                         if (term.getName().equals(segments.get(1))) {
  38                                 currTerm = term;
  39                                 break terms;
  40                         }
  41                 }
  42                 if (currTerm == null)
  43                         throw new ContentNotFoundException(session,
  44                                         getMountPath() + "/" + ContentUtils.toPath(segments) + " cannot be found");
  45                 if (segments.size() == 1)
  46                         return new TermContent(session, this, currTerm);
  47
  48                 for (int i = 2; i < segments.size(); i++) {
  49                         String termName = segments.get(i);
  50                         Term nextTerm = null;
  51                         terms: for (Term term : currTerm.getSubTerms()) {
  52                                 if (term.getName().equals(termName)) {
  53                                         nextTerm = term;
  54                                         break terms;
  55                                 }
  56                         }
  57                         if (nextTerm == null)
  58                                 throw new ContentNotFoundException(session,
  59                                                 getMountPath() + "/" + ContentUtils.toPath(segments) + " cannot be found");
  60                         currTerm = nextTerm;
  61                 }
  62                 return new TermContent(session, this, currTerm);
  63         }
  64
  65         ServiceContent getRootContent(ProvidedSession session) {
  66                 return new ServiceContent(session);
  67         }
  68
  69 }