[java-identity-provider] branch main updated: Guard use of empty regex.

[Scott Cantor]

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scantor pushed a commit to branch main
in repository java-identity-provider.

View the commit online:
http://git.shibboleth.net/view/?p=java-identity-provider.git;a=commit;h=9fc0d281f8efba4b54a9c5480ad8dabc34947270

The following commit(s) were added to refs/heads/main by this push:
       new  9fc0d281f Guard use of empty regex.
9fc0d281f is described below

commit 9fc0d281f8efba4b54a9c5480ad8dabc34947270
Author: Scott Cantor <cantor.2 at osu.edu>
AuthorDate: Thu Oct 29 11:42:43 2020 -0400

    Guard use of empty regex.
---
 .../net/shibboleth/idp/consent/logic/impl/AttributePredicate.java   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/idp-consent-impl/src/main/java/net/shibboleth/idp/consent/logic/impl/AttributePredicate.java b/idp-consent-impl/src/main/java/net/shibboleth/idp/consent/logic/impl/AttributePredicate.java
index b56751b16..d2f35819c 100644
--- a/idp-consent-impl/src/main/java/net/shibboleth/idp/consent/logic/impl/AttributePredicate.java
+++ b/idp-consent-impl/src/main/java/net/shibboleth/idp/consent/logic/impl/AttributePredicate.java
@@ -85,7 +85,11 @@ public class AttributePredicate extends AbstractInitializableComponent implement
     public void setAttributeIdMatchExpression(@Nullable final Pattern expression) {
         ComponentSupport.ifInitializedThrowUnmodifiabledComponentException(this);
 
-        matchExpression = expression;
+        if (expression != null && !expression.pattern().isEmpty()) {
+            matchExpression = expression;
+        } else {
+            matchExpression = null;
+        }
     }
 
     /** {@inheritDoc} */

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