[java-support] branch master updated: A generic Criterion for class-based resolvers.

[Scott Cantor]

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scantor pushed a commit to branch master
in repository java-support.

View the commit online:
http://git.shibboleth.net/view/?p=java-support.git;a=commit;h=9253f0ef731dd6f806bb8d24c7fb99965144cc1d

The following commit(s) were added to refs/heads/master by this push:
       new  9253f0e   A generic Criterion for class-based resolvers.
9253f0e is described below

commit 9253f0ef731dd6f806bb8d24c7fb99965144cc1d
Author: Scott Cantor <cantor.2 at osu.edu>
AuthorDate: Wed Jan 9 21:36:13 2019 -0500

    A generic Criterion for class-based resolvers.
---
 .../java/support/resolver/ClassCriterion.java      | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/src/main/java/net/shibboleth/utilities/java/support/resolver/ClassCriterion.java b/src/main/java/net/shibboleth/utilities/java/support/resolver/ClassCriterion.java
new file mode 100644
index 0000000..e3746c0
--- /dev/null
+++ b/src/main/java/net/shibboleth/utilities/java/support/resolver/ClassCriterion.java
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the University Corporation for Advanced Internet Development,
+ * Inc. (UCAID) under one or more contributor license agreements.  See the
+ * NOTICE file distributed with this work for additional information regarding
+ * copyright ownership. The UCAID licenses this file to You under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.shibboleth.utilities.java.support.resolver;
+
+import javax.annotation.Nonnull;
+
+import net.shibboleth.utilities.java.support.annotation.ParameterName;
+import net.shibboleth.utilities.java.support.logic.Constraint;
+
+/**
+ * A {@link Criterion} based on class type.
+ * 
+ * @param <T> class type
+ * 
+ * @since 8.0.0
+ */
+public class ClassCriterion<T> implements Criterion {
+
+    /** The type to search for. */
+    @Nonnull private final Class<T> classType;
+    
+    /**
+     * Constructor.
+     *
+     * @param type class type of criterion
+     */
+    public ClassCriterion(@Nonnull @ParameterName(name="type") final Class<T> type) {
+        classType = Constraint.isNotNull(type, "Type cannot be null");
+    }
+    
+    /**
+     * Get the class type of this criterion.
+     * 
+     * @return class type
+     */
+    @Nonnull public Class<T> getType() {
+        return classType;
+    }
+    
+}
\ No newline at end of file

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