/*
* Copyright (c) 2001-2004 Caucho Technology, Inc. All rights reserved.
*
* The Apache Software License, Version 1.1
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Caucho Technology (http://www.caucho.com/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "Burlap", "Resin", and "Caucho" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* info@caucho.com.
*
* 5. Products derived from this software may not be called "Resin"
* nor may "Resin" appear in their names without prior written
* permission of Caucho Technology.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL CAUCHO TECHNOLOGY OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @author Scott Ferguson
*/
package com.caucho.burlap.server;
import com.caucho.burlap.io.BurlapInput;
import com.caucho.burlap.io.BurlapOutput;
import com.caucho.services.server.AbstractSkeleton;
import com.caucho.services.server.ServiceContext;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.logging.*;
/**
* Proxy class for Burlap services.
*/
public class BurlapSkeleton extends AbstractSkeleton {
private static final Logger log
= Logger.getLogger(BurlapSkeleton.class.getName());
private Object _service;
/**
* Create a new burlap skeleton.
*
* @param service the underlying service object.
* @param apiClass the API interface
*/
public BurlapSkeleton(Object service, Class apiClass)
{
super(apiClass);
_service = service;
}
/**
* Create a new burlap skeleton.
*
* @param service the underlying service object.
* @param apiClass the API interface
*/
public BurlapSkeleton(Class apiClass)
{
super(apiClass);
}
/**
* Invoke the object with the request from the input stream.
*
* @param in the Burlap input stream
* @param out the Burlap output stream
*/
public void invoke(BurlapInput in, BurlapOutput out)
throws Exception
{
invoke(_service, in, out);
}
/**
* Invoke the object with the request from the input stream.
*
* @param in the Burlap input stream
* @param out the Burlap output stream
*/
public void invoke(Object service, BurlapInput in, BurlapOutput out)
throws Exception
{
in.readCall();
ServiceContext context = ServiceContext.getContext();
String header;
while ((header = in.readHeader()) != null) {
Object value = in.readObject();
context.addHeader(header, value);
}
String methodName = in.readMethod();
Method method = getMethod(methodName);
if (log.isLoggable(Level.FINE))
log.fine(this + " invoking " + methodName + " (" + method + ")");
if (method != null) {
}
else if ("_burlap_getAttribute".equals(in.getMethod())) {
String attrName = in.readString();
in.completeCall();
String value = null;
if ("java.api.class".equals(attrName))
value = getAPIClassName();
else if ("java.home.class".equals(attrName))
value = getHomeClassName();
else if ("java.object.class".equals(attrName))
value = getObjectClassName();
out.startReply();
out.writeObject(value);
out.completeReply();
return;
}
else if (method == null) {
out.startReply();
out.writeFault("NoSuchMethodException",
"The service has no method named: " + in.getMethod(),
null);
out.completeReply();
return;
}
Class []args = method.getParameterTypes();
Object []values = new Object[args.length];
for (int i = 0; i < args.length; i++)
values[i] = in.readObject(args[i]);
in.completeCall();
Object result = null;
try {
result = method.invoke(service, values);
} catch (Throwable e) {
log.log(Level.FINE,
service + "." + method.getName() + "() failed with exception:\n"
+ e.toString(),
e);
if (e instanceof InvocationTargetException
&& e.getCause() instanceof Exception)
e = ((InvocationTargetException) e).getTargetException();
out.startReply();
out.writeFault("ServiceException", e.getMessage(), e);
out.completeReply();
return;
}
out.startReply();
out.writeObject(result);
out.completeReply();
}
}