package org.red5.server.net.protocol;
/*
* RED5 Open Source Flash Server - http://www.osflash.org/red5
*
* Copyright (c) 2006-2009 by respective authors (see below). All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any later
* version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this library; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.util.ArrayList;
import java.util.List;
import org.red5.server.exception.ClientDetailsException;
import org.red5.server.net.rtmp.status.StatusObject;
/**
* Base class for all protocol encoders.
*
* @author The Red5 Project (red5@osflash.org)
* @author Joachim Bauch (jojo@struktur.de)
*/
public abstract class BaseProtocolEncoder implements SimpleProtocolEncoder {
/**
* Generate error object to return for given exception.
*
* @param code call
* @param error error
* @return status object
*/
protected StatusObject generateErrorResult(String code, Throwable error) {
// Construct error object to return
String message = "";
while (error != null && error.getCause() != null) {
error = error.getCause();
}
if (error != null && error.getMessage() != null) {
message = error.getMessage();
}
StatusObject status = new StatusObject(code, "error", message);
if (error instanceof ClientDetailsException) {
// Return exception details to client
status.setApplication(((ClientDetailsException) error).getParameters());
if (((ClientDetailsException) error).includeStacktrace()) {
List<String> stack = new ArrayList<String>();
for (StackTraceElement element: error.getStackTrace()) {
stack.add(element.toString());
}
status.setAdditional("stacktrace", stack);
}
} else if (error != null) {
status.setApplication(error.getClass().getCanonicalName());
}
return status;
}
}