Added ByteStreamTargetAdapter

spring-integration-core/src/main/java/org/springframework/integration/adapter/stream/ByteStreamTargetAdapter.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2002-2007 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.adapter.stream;
+
+import java.io.BufferedOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.springframework.integration.MessageHandlingException;
+import org.springframework.integration.adapter.AbstractTargetAdapter;
+
+/**
+ * A target adapter that writes a byte array to an {@link OutputStream}.
+ * 
+ * @author Mark Fisher
+ */
+public class ByteStreamTargetAdapter extends AbstractTargetAdapter {
+
+	private BufferedOutputStream stream;
+
+
+	public ByteStreamTargetAdapter(OutputStream stream) {
+		this(stream, -1);
+	}
+
+	public ByteStreamTargetAdapter(OutputStream stream, int bufferSize) {
+		if (bufferSize > 0) {
+			this.stream = new BufferedOutputStream(stream, bufferSize);
+		}
+		else {
+			this.stream = new BufferedOutputStream(stream);
+		}
+	}
+
+
+	@Override
+	protected boolean sendToTarget(Object object) {
+		if (object == null) {
+			if (logger.isWarnEnabled()) {
+				logger.warn(this.getClass().getSimpleName() + " received null object");
+			}
+			return false;
+		}
+		try {
+			if (object instanceof String) {
+				this.stream.write(((String) object).getBytes());
+			}
+			else if (object instanceof byte[]){
+				this.stream.write((byte[]) object);
+			}
+			else {
+				throw new MessageHandlingException(this.getClass().getSimpleName() +
+						" only supports byte array and String-based messages");
+			}
+			this.stream.flush();
+			return true;
+		}
+		catch (IOException e) {
+			throw new MessageHandlingException("IO failure occurred in adapter", e);
+		}
+	}
+
+}