/*
* Copyright 2002-2008 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.remoting.caucho;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Method;
import com.caucho.hessian.io.HessianInput;
import com.caucho.hessian.io.HessianOutput;
import com.caucho.hessian.io.SerializerFactory;
import com.caucho.hessian.server.HessianSkeleton;
import org.springframework.util.ClassUtils;
/**
* Concrete HessianSkeletonInvoker for the Hessian 1 protocol
* (version 3.0.19 or lower).
*
* @author Juergen Hoeller
* @since 2.0
*/
class Hessian1SkeletonInvoker extends HessianSkeletonInvoker {
private static final Method invokeMethod;
private static final boolean applySerializerFactoryToOutput;
static {
invokeMethod = ClassUtils.getMethodIfAvailable(
HessianSkeleton.class, "invoke", new Class[] {HessianInput.class, HessianOutput.class});
applySerializerFactoryToOutput =
ClassUtils.hasMethod(HessianOutput.class, "setSerializerFactory", new Class[] {SerializerFactory.class});
}
public Hessian1SkeletonInvoker(HessianSkeleton skeleton, SerializerFactory serializerFactory) {
super(skeleton, serializerFactory);
if (invokeMethod == null) {
throw new IllegalStateException("Hessian 1 (version 3.0.19-) not present");
}
}
public void invoke(InputStream inputStream, OutputStream outputStream) throws Throwable {
HessianInput in = new HessianInput(inputStream);
HessianOutput out = new HessianOutput(outputStream);
if (this.serializerFactory != null) {
in.setSerializerFactory(this.serializerFactory);
if (applySerializerFactoryToOutput) {
out.setSerializerFactory(this.serializerFactory);
}
}
try {
invokeMethod.invoke(this.skeleton, new Object[] {in, out});
}
finally {
try {
in.close();
inputStream.close();
}
catch (IOException ex) {
}
try {
out.close();
outputStream.close();
}
catch (IOException ex) {
}
}
}
}