1 files changed, 12 insertions, 7 deletions
diff --git a/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/validation/metadata/AbstractMetadataSignatureFilter.java b/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/validation/metadata/AbstractMetadataSignatureFilter.java
index d1eb66a3..c28dd7fb 100644
--- a/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/validation/metadata/AbstractMetadataSignatureFilter.java
+++ b/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/validation/metadata/AbstractMetadataSignatureFilter.java
@@ -23,22 +23,24 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
-import org.opensaml.saml2.metadata.EntitiesDescriptor;
-import org.opensaml.saml2.metadata.EntityDescriptor;
-import org.opensaml.saml2.metadata.provider.MetadataFilter;
-import org.opensaml.xml.XMLObject;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import javax.annotation.Nullable;
 
 import at.gv.egiz.eaaf.core.exceptions.EaafException;
 import at.gv.egiz.eaaf.modules.pvp2.exception.Pvp2MetadataException;
 import at.gv.egiz.eaaf.modules.pvp2.exception.SignatureValidationException;
 
+import org.opensaml.core.xml.XMLObject;
+import org.opensaml.saml.metadata.resolver.filter.MetadataFilter;
+import org.opensaml.saml.saml2.metadata.EntitiesDescriptor;
+import org.opensaml.saml.saml2.metadata.EntityDescriptor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 public abstract class AbstractMetadataSignatureFilter implements MetadataFilter {
   private static final Logger log = LoggerFactory.getLogger(AbstractMetadataSignatureFilter.class);
 
   @Override
-  public void doFilter(final XMLObject metadata) throws SignatureValidationException {
+  public XMLObject filter(@Nullable final XMLObject metadata) throws SignatureValidationException {
     try {
       if (metadata instanceof EntitiesDescriptor) {
         final EntitiesDescriptor entitiesDescriptor = (EntitiesDescriptor) metadata;
@@ -68,6 +70,9 @@ public abstract class AbstractMetadataSignatureFilter implements MetadataFilter
       throw new SignatureValidationException(e);
 
     }
+
+    return metadata;
+
   }
 
   /**