/*
* Copyright (c) 2015 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS 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 THE COPYRIGHT OWNER OR
* 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.
*/
package com.jme3.network.service.rpc.msg;
import com.jme3.network.AbstractMessage;
import com.jme3.network.serializing.Serializable;
import com.jme3.network.serializing.Serializer;
import java.io.PrintWriter;
import java.io.StringWriter;
/**
* Used internally to send an RPC call's response back to
* the caller.
*
* @author Paul Speed
*/
@Serializable
public class RpcResponseMessage extends AbstractMessage {
private long msgId;
private Object result;
private String error;
private Object exception; // if it was serializable
public RpcResponseMessage() {
}
public RpcResponseMessage( long msgId, Object result ) {
this.msgId = msgId;
this.result = result;
}
public RpcResponseMessage( long msgId, Throwable t ) {
this.msgId = msgId;
// See if the exception is serializable
if( isSerializable(t) ) {
// Can send the exception itself
this.exception = t;
} else {
// We'll compose all of the info into a string
StringWriter sOut = new StringWriter();
PrintWriter out = new PrintWriter(sOut);
t.printStackTrace(out);
out.close();
this.error = sOut.toString();
}
}
public static boolean isSerializable( Throwable error ) {
if( error == null ) {
return false;
}
for( Throwable t = error; t != null; t = t.getCause() ) {
if( Serializer.getExactSerializerRegistration(t.getClass()) == null ) {
return false;
}
}
return true;
}
public long getMessageId() {
return msgId;
}
public Object getResult() {
return result;
}
public String getError() {
return error;
}
public Throwable getThrowable() {
return (Throwable)exception;
}
@Override
public String toString() {
return getClass().getSimpleName() + "[#" + msgId + ", result=" + result
+ (error != null ? ", error=" + error : "")
+ (exception != null ? ", exception=" + exception : "")
+ "]";
}
}