[java-shib-shared] 01/02: IDP-1793 Use Suppliers for HttpRequest/Response

[Rod Widdowson]

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commit 17e9af6b52b38e545a444a63d5fde97374f01bd0
Author: Rod Widdowson <rdw at steadingsoftware.com>
AuthorDate: Wed Nov 23 17:17:03 2022 +0000

    IDP-1793 Use Suppliers for HttpRequest/Response
    
    https://shibboleth.atlassian.net/browse/IDP-1793
    
    Concrete implementation of a Supplier which is guaranteed
    to return a non null value
---
 .../shared/testing/ConstantSupplier.java           | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/shib-testing/src/main/java/net/shibboleth/shared/testing/ConstantSupplier.java b/shib-testing/src/main/java/net/shibboleth/shared/testing/ConstantSupplier.java
new file mode 100644
index 00000000..16c270e7
--- /dev/null
+++ b/shib-testing/src/main/java/net/shibboleth/shared/testing/ConstantSupplier.java
@@ -0,0 +1,47 @@
+/*
+ * 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.shared.testing;
+
+import javax.annotation.Nonnull;
+
+import net.shibboleth.shared.primitive.NonNullSupplier;
+
+/**
+ * Implementaion of {@link NonNullSupplier} which returns an unchanging
+ * value/
+ */
+public final class ConstantSupplier<T> implements NonNullSupplier<T> {
+
+    /** The value we will return */
+    @Nonnull private final T theValue;
+    
+    /**
+     * Constructor.
+     *
+     * @param value the value to set
+     */
+    public ConstantSupplier(@Nonnull final T value) {
+        theValue = value;
+    }
+    /** {@inheritDoc} */
+    @Override
+    @Nonnull public T get() {
+        return theValue;
+    }
+
+}

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