Add UnhandledResourceException as a RuntimeException to indicate that a Resource could not be handled, or processed (e.g. read, written).

Resolves gh-92.

spring-geode/src/main/java/org/springframework/geode/core/io/UnhandledResourceException.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2020 the original author or authors.
+ *
+ * Licensed 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
+ *
+ *     https://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 org.springframework.geode.core.io;
+
+import org.springframework.core.io.Resource;
+
+/**
+ * A {@link RuntimeException} indicating that a {@link Resource} was not properly handled during normal processing.
+ *
+ * @author John Blum
+ * @see java.lang.RuntimeException
+ * @see org.springframework.core.io.Resource
+ * @since 1.3.1
+ */
+@SuppressWarnings("unused")
+public class UnhandledResourceException extends RuntimeException {
+
+	/**
+	 * Constructs a new instance of {@link UnhandledResourceException} with no {@link String message}
+	 * or no known {@link Throwable cause}.
+	 */
+	public UnhandledResourceException() { }
+
+	/**
+	 * Constructs a new instance of {@link UnhandledResourceException} initialized with the given {@link String message}
+	 * to describe the error.
+	 *
+	 * @param message {@link String} describing the {@link RuntimeException}.
+	 */
+	public UnhandledResourceException(String message) {
+		super(message);
+	}
+
+	/**
+	 * Constructs a new instance of {@link UnhandledResourceException} initialized with the given {@link Throwable}
+	 * signifying the underlying cause of this {@link RuntimeException}.
+	 *
+	 * @param cause {@link Throwable} signifying the underlying cause of this {@link RuntimeException}.
+	 * @see java.lang.Throwable
+	 */
+	public UnhandledResourceException(Throwable cause) {
+		super(cause);
+	}
+
+	/**
+	 * Constructs a new instance of {@link UnhandledResourceException} initialized with the given {@link String message}
+	 * describing the error along with a {@link Throwable} signifying the underlying cause of this
+	 * {@link RuntimeException}.
+	 *
+	 * @param message {@link String} describing the {@link RuntimeException}.
+	 * @param cause {@link Throwable} signifying the underlying cause of this {@link RuntimeException}.
+	 * @see java.lang.Throwable
+	 */
+	public UnhandledResourceException(String message, Throwable cause) {
+		super(message, cause);
+	}
+}