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436874 - WebSocket client throwing a NullPointer when handling a pong 

+ Adding NPE guard for PONG with no payload.
This commit is contained in:
Joakim Erdfelt 2014-06-11 08:30:52 -07:00
parent bfce68e85c
commit a41dd1caf5
1 changed files with 14 additions and 4 deletions
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18
jetty-websocket/javax-websocket-client-impl/src/main/java/org/eclipse/jetty/websocket/jsr356/endpoints/JsrEndpointEventDriver.java
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@ -35,6 +35,7 @@ import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.websocket.api.WebSocketPolicy;
import org.eclipse.jetty.websocket.api.extensions.Frame;
import org.eclipse.jetty.websocket.common.frames.ControlFrame;
import org.eclipse.jetty.websocket.common.message.MessageInputStream;
import org.eclipse.jetty.websocket.common.message.MessageReader;
import org.eclipse.jetty.websocket.jsr356.JsrPongMessage;
@ -235,11 +236,20 @@ public class JsrEndpointEventDriver extends AbstractJsrEventDriver
LOG.debug("No PONG MessageHandler declared");
return;
}
ByteBuffer pongBuf = ByteBuffer.allocate(buffer.remaining());
BufferUtil.put(buffer,pongBuf);
BufferUtil.flipToFlush(pongBuf,0);
ByteBuffer pongBuf = null;
if (BufferUtil.isEmpty(buffer))
{
pongBuf = BufferUtil.EMPTY_BUFFER;
}
else
{
pongBuf = ByteBuffer.allocate(buffer.remaining());
BufferUtil.put(buffer,pongBuf);
BufferUtil.flipToFlush(pongBuf,0);
}
@SuppressWarnings("unchecked")
Whole<PongMessage> pongHandler = (Whole<PongMessage>)wrapper.getHandler();
pongHandler.onMessage(new JsrPongMessage(pongBuf));