From cf20308134e8e3dc098ba7f8dc8f26a202268d72 Mon Sep 17 00:00:00 2001
From: Juergen Hoeller <jhoeller@pivotal.io>
Date: Tue, 22 Dec 2015 13:04:10 +0100
Subject: [PATCH] SerializationDelegate as convenient Serializer/Deserializer
 combo

Issue: SPR-13758
---
 .../support/SerializationDelegate.java        | 78 +++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 spring-core/src/main/java/org/springframework/core/serializer/support/SerializationDelegate.java

diff --git a/spring-core/src/main/java/org/springframework/core/serializer/support/SerializationDelegate.java b/spring-core/src/main/java/org/springframework/core/serializer/support/SerializationDelegate.java
new file mode 100644
index 0000000000..1e661d6a82
--- /dev/null
+++ b/spring-core/src/main/java/org/springframework/core/serializer/support/SerializationDelegate.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2002-2015 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
+ *
+ *      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 org.springframework.core.serializer.support;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import org.springframework.core.serializer.DefaultDeserializer;
+import org.springframework.core.serializer.DefaultSerializer;
+import org.springframework.core.serializer.Deserializer;
+import org.springframework.core.serializer.Serializer;
+import org.springframework.util.Assert;
+
+/**
+ * A convenient delegate with pre-arranged configuration state for common
+ * serialization needs. Implements {@link Serializer} and {@link Deserializer}
+ * itself, so can also be passed into such more specific callback methods.
+ *
+ * @author Juergen Hoeller
+ * @since 4.3
+ */
+public class SerializationDelegate implements Serializer<Object>, Deserializer<Object> {
+
+	private final Serializer<Object> serializer;
+
+	private final Deserializer<Object> deserializer;
+
+
+	/**
+	 * Create a {@code SerializationDelegate} with a default serializer/deserializer
+	 * for the given {@code ClassLoader}.
+	 * @see DefaultDeserializer
+	 * @see DefaultDeserializer#DefaultDeserializer(ClassLoader)
+	 */
+	public SerializationDelegate(ClassLoader classLoader) {
+		this.serializer = new DefaultSerializer();
+		this.deserializer = new DefaultDeserializer(classLoader);
+	}
+
+	/**
+	 * Create a {@code SerializationDelegate} with the given serializer/deserializer.
+	 * @param serializer the {@link Serializer} to use (never {@code null)}
+	 * @param deserializer the {@link Deserializer} to use (never {@code null)}
+	 */
+	public SerializationDelegate(Serializer<Object> serializer, Deserializer<Object> deserializer) {
+		Assert.notNull(serializer, "Serializer must not be null");
+		Assert.notNull(deserializer, "Deserializer must not be null");
+		this.serializer = serializer;
+		this.deserializer = deserializer;
+	}
+
+
+	@Override
+	public void serialize(Object object, OutputStream outputStream) throws IOException {
+		this.serializer.serialize(object, outputStream);
+	}
+
+	@Override
+	public Object deserialize(InputStream inputStream) throws IOException {
+		return this.deserializer.deserialize(inputStream);
+	}
+
+}