Merge pull request #1037 from lat-lon/enhanceGFITemplatingMechanismTo…

…ConvertXlinkHrefAttributeToLink-135 Enhance GFI templating mechanism to convert xlink:href attribute to link
deegree · Sep 21, 2022 · 5a13c19 · 5a13c19
2 parents 1f23160 + 5b640d1
commit 5a13c19
Showing 1 changed file with 28 additions and 1 deletion.
diff --git a/.../deegree-core-featureinfo/src/main/java/org/deegree/featureinfo/templating/lang/Link.java b/.../deegree-core-featureinfo/src/main/java/org/deegree/featureinfo/templating/lang/Link.java
@@ -36,9 +36,18 @@
 package org.deegree.featureinfo.templating.lang;
 
 import static org.deegree.commons.utils.JavaUtils.generateToString;
+import static org.deegree.commons.xml.CommonNamespaces.XLNNS;
 import static org.slf4j.LoggerFactory.getLogger;
 
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+
+import org.deegree.commons.tom.TypedObjectNode;
 import org.deegree.commons.tom.gml.property.Property;
+import org.deegree.commons.tom.primitive.PrimitiveValue;
+import org.deegree.commons.xml.CommonNamespaces;
+import org.deegree.gml.reference.FeatureReference;
 import org.slf4j.Logger;
 
 /**
@@ -53,6 +62,8 @@ public class Link {
 
     private static final Logger LOG = getLogger( Link.class );
 
+    public static final QName XLINK_HREF = new QName( XLNNS, "href" );
+
     private String prefix;
 
     private String text;
@@ -86,7 +97,7 @@ public void eval( StringBuilder sb, Object o ) {
             LOG.warn( "Trying to get value as link while current object is a feature." );
             return;
         }
-        String val = ( (Property) o ).getValue().toString();
+        String val = getValueAsString( (Property) o );
         if ( val == null || val.isEmpty() ) {
             return;
         }
@@ -107,4 +118,20 @@ public String toString() {
         return generateToString( this );
     }
 
+    private String getValueAsString( Property o ) {
+        TypedObjectNode value = o.getValue();
+        if ( value != null ) {
+            if ( value instanceof FeatureReference ) {
+                return ( (FeatureReference) value ).getURI();
+            }
+            return value.toString();
+        } else {
+            Map<QName, PrimitiveValue> attributes = o.getAttributes();
+            if ( attributes.containsKey( XLINK_HREF ) ) {
+                return attributes.get( XLINK_HREF ).getAsText();
+            }
+        }
+        return null;
+    }
+
 }