Example usage for org.apache.http.nio.reactor SessionOutputBuffer hasData

Introduction

In this page you can find the example usage for org.apache.http.nio.reactor SessionOutputBuffer hasData.

Prototype

boolean hasData();

Source Link

Document

Determines if the buffer contains data.

Usage

From source file:com.ok2c.lightmtp.impl.protocol.SimpleSendEnvelopCodec.java

@Override
public void produceData(final IOSession iosession, final ClientState sessionState)
        throws IOException, SMTPProtocolException {
    Args.notNull(iosession, "IO session");
    Args.notNull(sessionState, "Session state");
    if (sessionState.getRequest() == null) {
        if (sessionState.isTerminated()) {
            this.codecState = CodecState.COMPLETED;
        }//from   ww w.ja v  a2s  .  co  m
        return;
    }

    SessionOutputBuffer buf = this.iobuffers.getOutbuf();
    DeliveryRequest request = sessionState.getRequest();

    switch (this.codecState) {
    case MAIL_REQUEST_READY:
        SMTPCommand mailFrom = new SMTPCommand("MAIL", "FROM:<" + request.getSender() + ">");
        this.writer.write(mailFrom, buf);

        this.codecState = CodecState.MAIL_RESPONSE_EXPECTED;
        iosession.setEvent(SelectionKey.OP_READ);
        break;
    case RCPT_REQUEST_READY:
        String recipient = this.recipients.getFirst();

        SMTPCommand rcptTo = new SMTPCommand("RCPT", "TO:<" + recipient + ">");
        this.writer.write(rcptTo, buf);

        this.codecState = CodecState.RCPT_RESPONSE_EXPECTED;
        break;
    case DATA_REQUEST_READY:
        SMTPCommand data = new SMTPCommand("DATA");
        this.writer.write(data, buf);
        this.codecState = CodecState.DATA_RESPONSE_EXPECTED;
        break;
    }

    if (buf.hasData()) {
        buf.flush(iosession.channel());
    }
    if (!buf.hasData()) {
        iosession.clearEvent(SelectionKey.OP_WRITE);
    }
}

---

From source file:com.ok2c.lightmtp.impl.protocol.SendDataCodec.java

@Override
public void produceData(final IOSession iosession, final ClientState sessionState)
        throws IOException, SMTPProtocolException {
    Args.notNull(iosession, "IO session");
    Args.notNull(sessionState, "Session state");

    SessionOutputBuffer buf = this.iobuffers.getOutbuf();

    switch (this.codecState) {
    case CONTENT_READY:
        int bytesRead = 0;
        while (buf.length() < LIMIT) {
            if (!this.contentBuf.hasData()) {
                bytesRead = this.contentBuf.fill(this.contentChannel);
            }/* w  ww  .j  a va  2 s .co m*/

            boolean lineComplete = this.contentBuf.readLine(this.lineBuf, bytesRead == -1);
            if (this.maxLineLen > 0 && (this.lineBuf.length() > this.maxLineLen
                    || (!lineComplete && this.contentBuf.length() > this.maxLineLen))) {
                throw new SMTPProtocolException("Maximum line length limit exceeded");
            }
            if (lineComplete) {
                if (this.lineBuf.length() > 0 && this.lineBuf.charAt(0) == '.') {
                    buf.write(PERIOD);
                }
                buf.writeLine(this.lineBuf);
                this.lineBuf.clear();
            } else {
                bytesRead = this.contentBuf.fill(this.contentChannel);
            }
            if (bytesRead == -1 && !this.contentBuf.hasData()) {

                this.lineBuf.clear();
                this.lineBuf.append('.');
                buf.writeLine(this.lineBuf);
                this.lineBuf.clear();

                this.content.reset();
                this.contentSent = true;
                this.codecState = CodecState.CONTENT_RESPONSE_EXPECTED;
                break;
            }
            if (bytesRead == 0 && !lineComplete) {
                break;
            }
        }
    }

    if (buf.hasData()) {
        buf.flush(iosession.channel());
    }
    if (!buf.hasData() && this.contentSent) {
        iosession.clearEvent(SelectionKey.OP_WRITE);
    }
}

---

From source file:com.ok2c.lightmtp.impl.protocol.AuthCodec.java

@Override
public void produceData(final IOSession iosession, final ClientState state)
        throws IOException, SMTPProtocolException {
    Args.notNull(iosession, "IO session");
    Args.notNull(state, "Session state");

    SessionOutputBuffer buf = this.iobuffers.getOutbuf();

    switch (this.codecState) {
    case AUTH_READY:
        AuthMode mode = null;//from  w  w w  .j a va  2  s.  c o m
        for (final String extension : state.getExtensions()) {
            if (extension.startsWith(ProtocolState.AUTH.name())) {
                String types = extension.substring(ProtocolState.AUTH.name().length() + 1);
                mode = getAuthMode(types);
                if (mode != null) {
                    break;
                }
            }
        }
        if (mode == null) {
            // TODO: Maybe we should just skip auth then and call the next codec in the chain
            throw new SMTPProtocolException("Unsupported AUTH types");
        } else {
            iosession.setAttribute(AUTH_TYPE, mode);
        }

        SMTPCommand auth = new SMTPCommand("AUTH", mode.name());
        this.writer.write(auth, buf);
        this.codecState = CodecState.AUTH_RESPONSE_READY;
        break;

    case AUTH_PLAIN_INPUT_READY:
        byte[] authdata = Base64.encodeBase64(("\0" + username + "\0" + password).getBytes(AUTH_CHARSET));
        lineBuf.append(authdata, 0, authdata.length);
        this.codecState = CodecState.AUTH_PLAIN_INPUT_RESPONSE_EXPECTED;
        break;

    case AUTH_LOGIN_USERNAME_INPUT_READY:
        byte[] authUserData = Base64.encodeBase64(username.getBytes(AUTH_CHARSET));
        lineBuf.append(authUserData, 0, authUserData.length);

        this.codecState = CodecState.AUTH_LOGIN_USERNAME_INPUT_RESPONSE_EXPECTED;
        break;

    case AUTH_LOGIN_PASSWORD_INPUT_READY:
        byte[] authPassData = Base64.encodeBase64(password.getBytes(AUTH_CHARSET));
        lineBuf.append(authPassData, 0, authPassData.length);

        this.codecState = CodecState.AUTH_LOGIN_PASSWORD_INPUT_RESPONSE_EXPECTED;
        break;
    }

    if (!lineBuf.isEmpty()) {
        buf.writeLine(lineBuf);
        lineBuf.clear();
    }
    if (buf.hasData()) {
        buf.flush(iosession.channel());
    }
    if (!buf.hasData()) {
        iosession.clearEvent(SelectionKey.OP_WRITE);
    }
}

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