Introduce terms content provider

[gpl/argeo-suite.git] / org.argeo.app.core / src / org / argeo / app / acr / terms / TermsContentProvider.java

diff --git a/org.argeo.app.core/src/org/argeo/app/acr/terms/TermsContentProvider.java b/org.argeo.app.core/src/org/argeo/app/acr/terms/TermsContentProvider.java
new file mode 100644 (file)
index 0000000..2d7a5d1
--- /dev/null
+++ b/org.argeo.app.core/src/org/argeo/app/acr/terms/TermsContentProvider.java
@@ -0,0 +1,69 @@
+package org.argeo.app.acr.terms;
+
+import java.util.Iterator;
+import java.util.List;
+
+import org.argeo.api.acr.Content;
+import org.argeo.api.acr.ContentNotFoundException;
+import org.argeo.api.acr.spi.ProvidedContent;
+import org.argeo.api.acr.spi.ProvidedSession;
+import org.argeo.app.api.EntityType;
+import org.argeo.app.api.Term;
+import org.argeo.app.api.TermsManager;
+import org.argeo.app.api.Typology;
+import org.argeo.cms.acr.AbstractSimpleContentProvider;
+import org.argeo.cms.acr.ContentUtils;
+
+public class TermsContentProvider extends AbstractSimpleContentProvider<TermsManager> {
+
+       public TermsContentProvider() {
+               super(EntityType.ENTITY_NAMESPACE_URI, EntityType.ENTITY_DEFAULT_PREFIX);
+       }
+
+       @Override
+       protected Iterator<Content> firstLevel(ProvidedSession session) {
+               return getService().getTypologies().stream().map((t) -> (Content) new TypologyContent(session, this, t))
+                               .iterator();
+       }
+
+       @Override
+       public ProvidedContent get(ProvidedSession session, List<String> segments) {
+               String typologyName = segments.get(0);
+               Typology typology = getService().getTypology(typologyName);
+               if (segments.size() == 1)
+                       return new TypologyContent(session, this, typology);
+               Term currTerm = null;
+               terms: for (Term term : typology.getSubTerms()) {
+                       if (term.getName().equals(segments.get(1))) {
+                               currTerm = term;
+                               break terms;
+                       }
+               }
+               if (currTerm == null)
+                       throw new ContentNotFoundException(session,
+                                       getMountPath() + "/" + ContentUtils.toPath(segments) + " cannot be found");
+               if (segments.size() == 1)
+                       return new TermContent(session, this, currTerm);
+
+               for (int i = 2; i < segments.size(); i++) {
+                       String termName = segments.get(i);
+                       Term nextTerm = null;
+                       terms: for (Term term : currTerm.getSubTerms()) {
+                               if (term.getName().equals(termName)) {
+                                       nextTerm = term;
+                                       break terms;
+                               }
+                       }
+                       if (nextTerm == null)
+                               throw new ContentNotFoundException(session,
+                                               getMountPath() + "/" + ContentUtils.toPath(segments) + " cannot be found");
+                       currTerm = nextTerm;
+               }
+               return new TermContent(session, this, currTerm);
+       }
+
+       ServiceContent getRootContent(ProvidedSession session) {
+               return new ServiceContent(session);
+       }
+
+}