feat: add support for context prefixes in entity checks

Author: Pfeil

src/main/java/edu/kit/datamanager/ro_crate/context/RoCrateMetadataContext.java

@@ -12,6 +12,7 @@
 import java.io.IOException;
 import java.util.*;
 import java.util.function.Consumer;
+import java.util.function.Function;
 
 import edu.kit.datamanager.ro_crate.special.IdentifierUtils;
 import org.apache.http.client.methods.CloseableHttpResponse;
@@ -117,6 +118,11 @@ public boolean checkEntity(AbstractEntity entity) {
             entity.getProperties().path("@type"),
             new TypeReference<>() {}
     );
+
+    final Function<String, Boolean> isFail = checkMeStr -> this.contextMap.get(checkMeStr) == null
+            && this.contextMap.keySet().stream()
+            .noneMatch(key -> checkMeStr.startsWith(key + ":"));
+
     // check if the items in the array of types are present in the context
     for (String s : types) {
       // special cases:
@@ -134,7 +140,7 @@ public boolean checkEntity(AbstractEntity entity) {
         continue;
       }
 
-      if (this.contextMap.get(s) == null) {
+      if (isFail.apply(s)) {
         System.err.println("type " + s + " is missing from the context!");
         return false;
       }
@@ -147,7 +153,7 @@ public boolean checkEntity(AbstractEntity entity) {
         // full URLs are considered fine
         continue;
       }
-      if (this.contextMap.get(s) == null) {
+      if (isFail.apply(s)) {
         System.err.println("attribute name " + s + " is missing from context;");
         return false;
       }

src/test/java/edu/kit/datamanager/ro_crate/context/ContextTest.java

@@ -6,6 +6,7 @@
 import com.fasterxml.jackson.databind.node.ObjectNode;
 
 import edu.kit.datamanager.ro_crate.HelpFunctions;
+import edu.kit.datamanager.ro_crate.RoCrate;
 import edu.kit.datamanager.ro_crate.entities.AbstractEntity;
 import edu.kit.datamanager.ro_crate.entities.contextual.ContextualEntity;
 import edu.kit.datamanager.ro_crate.entities.data.DataEntity;
@@ -278,4 +279,21 @@ void testReadPairs() {
     // prove immutability
     assertThrows(UnsupportedOperationException.class, () -> given.put("newKey", "newValue"));
   }
+
+  @Test
+  void checkEntity_withDefinedPrefixedType_succeeds() throws IOException {
+    // assume we read a crate just for demonstration
+    RoCrate crate = new RoCrate();
+    // and we extend the context
+    RoCrateMetadataContext context =  new RoCrateMetadataContext();
+    context.addToContext("rdfs", "https://www.w3.org/2000/01/rdf-schema#");
+    crate.setMetadataContext(context);
+    // then we use the new context
+    DataEntity entity = new DataEntity.DataEntityBuilder()
+            .addType("rdfs:Property")
+            .build();
+    crate.addDataEntity(entity);
+    // Then we expect this to work
+    assertTrue(context.checkEntity(entity));
+  }
 }