server/protocols/protocols-imap4/src/main/java/org/apache/james/imapserver/netty/AbstractNettyImapRequestLineReader.java

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package org.apache.james.imapserver.netty;

import java.io.Closeable;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.function.Supplier;

import org.apache.james.imap.decode.ImapRequestLineReader;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;

public abstract class AbstractNettyImapRequestLineReader extends ImapRequestLineReader implements Closeable {
    private static final Supplier<ByteBuf> CONTINUATION_REQUEST = () -> Unpooled.wrappedUnmodifiableBuffer(Unpooled.wrappedBuffer("+ Ok\r\n".getBytes(StandardCharsets.US_ASCII)));

    private final Channel channel;
    private final boolean retry;

    public AbstractNettyImapRequestLineReader(Channel channel, boolean retry) {
        this.channel = channel;
        this.retry = retry;

    }

    @Override
    protected void commandContinuationRequest() {
        // only write the request out if this is not a retry to process the
        // request..

        if (!retry) {
            channel.writeAndFlush(CONTINUATION_REQUEST.get());
        }
    }

    @Override
    public void close() throws IOException {

    }
}