added SerializingHttpMessageConverter

spring-integration-http/src/main/java/org/springframework/integration/http/SerializingHttpMessageConverter.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2002-2010 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.integration.http;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+
+import org.springframework.http.HttpInputMessage;
+import org.springframework.http.HttpOutputMessage;
+import org.springframework.http.MediaType;
+import org.springframework.http.converter.AbstractHttpMessageConverter;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.util.FileCopyUtils;
+
+/**
+ * An {@link HttpMessageConverter} implementation for {@link Serializable} instances.
+ * 
+ * @author Mark Fisher
+ * @since 2.0
+ */
+public class SerializingHttpMessageConverter extends AbstractHttpMessageConverter<Serializable> {
+
+	/** Creates a new instance of the {@code SerializingHttpMessageConverter}. */
+	public SerializingHttpMessageConverter() {
+		super(new MediaType("application", "x-java-serialized-object"));
+	}
+
+
+	@Override
+	public boolean supports(Class<?> clazz) {
+		return Serializable.class.isAssignableFrom(clazz);
+	}
+
+	@Override
+	@SuppressWarnings("unchecked")
+	public Serializable readInternal(Class clazz, HttpInputMessage inputMessage) throws IOException {
+		try {
+			return (Serializable) new ObjectInputStream(inputMessage.getBody()).readObject();
+		}
+		catch (ClassNotFoundException e) {
+			throw new IllegalArgumentException(e);
+		}
+	}
+
+	@Override
+	protected void writeInternal(Serializable object, HttpOutputMessage outputMessage) throws IOException {
+		ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
+		ObjectOutputStream objectStream = new ObjectOutputStream(byteStream);
+		objectStream.writeObject(object);
+		objectStream.flush();
+		objectStream.close();
+		byte[] bytes = byteStream.toByteArray();
+		FileCopyUtils.copy(bytes, outputMessage.getBody());
+	}
+
+}