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Copyright (c) 2007-2014 Kaazing Corporation. All rights reserved. Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.kaazing.gateway.transport.wseb.filter;
public class WsebReconnectFilter extends IoFilterAdapter {
    private static final Logger LOGGER = LoggerFactory.getLogger(WsebReconnectFilter.class);
    
    private final WsebSession wsebSession;
    public WsebReconnectFilter(WsebSession wsebSession) {
        this. = wsebSession;
    }
    
    @Override
    public void filterClose(final NextFilter nextFilterfinal IoSession session)
    throws Exception {
        if (!.isClosing()) {
            if (.isDebugEnabled()) {
                .debug(String.format("WsebReconnectFilter.filterClose: writing RECONNECT before closing downstream %s",
                        session.getId()));
            }
            // Delay filterClose till write request is written because otherwise DefaultIoFilterChan.TailFilter.filterClose
            // will remove the session from the processor, preventing flush from going through 
            WriteFutureEx writeFuture = new DefaultWriteFutureEx(session);
            writeFuture.addListener(new IoFutureListener<WriteFuture>() {
                @Override
                public void operationComplete(WriteFuture future) {
                    if (.isDebugEnabled()) {
                        .debug("WsebReconnectFilter.filterClose: writeFuture fired, calling filterClose");
                    }
                    nextFilter.filterClose(session);
                }
            });
            nextFilter.filterWrite(sessionnew DefaultWriteRequestEx(.writeFuture));
        }
        else {
            super.filterClose(nextFiltersession);
        }
    }
    
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