Examples with MessageOutputStream nl.nn.adapterframework.stream.MessageOutputStream used on opensource projects

Example 6 with MessageOutputStream

use of nl.nn.adapterframework.stream.MessageOutputStream in project iaf by ibissource.

the class IbisDebuggerAdvice method debugProvideOutputStream.

/**
 * Provides advice for {@link IOutputStreamingSupport#provideOutputStream(PipeLineSession session, IForwardTarget next)}
 */
public MessageOutputStream debugProvideOutputStream(ProceedingJoinPoint proceedingJoinPoint, PipeLineSession session) throws Throwable {
    if (!isEnabled()) {
        return (MessageOutputStream) proceedingJoinPoint.proceed();
    }
    String correlationId = session == null ? null : session.getMessageId();
    if (log.isDebugEnabled())
        log.debug("debugProvideOutputStream thread id [" + Thread.currentThread().getId() + "] thread name [" + Thread.currentThread().getName() + "] correlationId [" + correlationId + "]");
    if (proceedingJoinPoint.getTarget() instanceof ISender) {
        ISender sender = (ISender) proceedingJoinPoint.getTarget();
        // Use WriterPlaceHolder to make the contents that is later written to the MessageOutputStream appear as input of the Sender
        WriterPlaceHolder writerPlaceHolder = ibisDebugger.senderInput(sender, correlationId, new WriterPlaceHolder());
        MessageOutputStream resultStream = (MessageOutputStream) proceedingJoinPoint.proceed();
        String resultMessage = handleMessageOutputStream(writerPlaceHolder, resultStream);
        ibisDebugger.senderOutput(sender, correlationId, resultMessage);
        return resultStream;
    }
    if (proceedingJoinPoint.getTarget() instanceof IPipe) {
        IPipe pipe = (IPipe) proceedingJoinPoint.getTarget();
        PipeLine pipeLine = pipe instanceof AbstractPipe ? ((AbstractPipe) pipe).getPipeLine() : new PipeLine();
        // Use WriterPlaceHolder to make the contents that is later written to the MessageOutputStream appear as input of the Pipe
        WriterPlaceHolder writerPlaceHolder = ibisDebugger.pipeInput(pipeLine, pipe, correlationId, new WriterPlaceHolder());
        MessageOutputStream resultStream = (MessageOutputStream) proceedingJoinPoint.proceed();
        String resultMessage = handleMessageOutputStream(writerPlaceHolder, resultStream);
        ibisDebugger.pipeOutput(pipeLine, pipe, correlationId, resultMessage);
        return resultStream;
    }
    log.warn("Could not identify outputstream provider [" + proceedingJoinPoint.getTarget().getClass().getName() + "] as pipe or sender");
    return (MessageOutputStream) proceedingJoinPoint.proceed();
}

Example 7 with MessageOutputStream

use of nl.nn.adapterframework.stream.MessageOutputStream in project iaf by ibissource.

the class Text2XmlPipe method doPipe.

@Override
public PipeRunResult doPipe(Message message, PipeLineSession session) throws PipeRunException {
    if (message.asObject() == null) {
        return new PipeRunResult(getSuccessForward(), new Message("<" + getXmlTag() + " nil=\"true\" />"));
    } else if (message.isEmpty() && isUseCdataSection()) {
        return new PipeRunResult(getSuccessForward(), new Message("<" + getXmlTag() + "><![CDATA[]]></" + getXmlTag() + ">"));
    }
    try (MessageOutputStream target = getTargetStream(session)) {
        ContentHandler handler = target.asContentHandler();
        try {
            handler.startDocument();
            handler.startElement("", getXmlTag(), getXmlTag(), new AttributesImpl());
            try (BufferedReader reader = new BufferedReader(message.asReader())) {
                String line;
                boolean lineWritten = false;
                while ((line = reader.readLine()) != null) {
                    if (lineWritten) {
                        handler.characters("\n".toCharArray(), 0, "\n".length());
                    }
                    if (isSplitLines()) {
                        handler.startElement("", SPLITTED_LINE_TAG, SPLITTED_LINE_TAG, new AttributesImpl());
                    }
                    if (isUseCdataSection()) {
                        ((LexicalHandler) handler).startCDATA();
                    }
                    line = isReplaceNonXmlChars() ? XmlUtils.encodeCdataString(line) : line;
                    handler.characters(line.toCharArray(), 0, line.length());
                    lineWritten = true;
                    if (isUseCdataSection()) {
                        ((LexicalHandler) handler).endCDATA();
                    }
                    if (isSplitLines()) {
                        handler.endElement("", SPLITTED_LINE_TAG, SPLITTED_LINE_TAG);
                    }
                }
            }
            handler.endElement("", getXmlTag(), getXmlTag());
        } finally {
            handler.endDocument();
        }
        return target.getPipeRunResult();
    } catch (Exception e) {
        throw new PipeRunException(this, "Unexpected exception during splitting", e);
    }
}

Example 8 with MessageOutputStream

use of nl.nn.adapterframework.stream.MessageOutputStream in project iaf by ibissource.

the class TextSplitterPipe method doPipe.

@Override
public PipeRunResult doPipe(Message message, PipeLineSession session) throws PipeRunException {
    try {
        String[] result = new String[100];
        int p, s, o = 0;
        String inputString = message.asString();
        if (softSplit) {
            for (p = 0; p < inputString.length() - maxBlockLength; ) {
                // find last space in msg part
                for (s = p + maxBlockLength >= inputString.length() ? inputString.length() - 1 : p + maxBlockLength; s >= p && !Character.isWhitespace(inputString.charAt(s)) && inputString.charAt(s) != '-'; s--) ;
                // now skip spaces
                for (; s >= p && Character.isWhitespace(inputString.charAt(s)); s--) ;
                // spaces found, soft break possible
                if (s >= p) {
                    result[o++] = inputString.substring(p, s + 1);
                    for (p = s + 1; p < inputString.length() && Character.isWhitespace(inputString.charAt(p)); p++) ;
                } else // no space found, soft-break not possible
                {
                    result[o++] = inputString.substring(p, p + maxBlockLength < inputString.length() ? p + maxBlockLength : inputString.length());
                    p += maxBlockLength;
                }
            }
            result[o++] = inputString.substring(p);
        } else {
            for (p = 0; p < inputString.length(); p += maxBlockLength) {
                if (p + maxBlockLength <= inputString.length()) {
                    result[o++] = inputString.substring(p, p + maxBlockLength);
                } else {
                    result[o++] = inputString.substring(p);
                }
            }
        }
        try (MessageOutputStream target = getTargetStream(session)) {
            try (SaxDocumentBuilder saxBuilder = new SaxDocumentBuilder("text", target.asContentHandler())) {
                for (int counter = 0; result[counter] != null; counter++) {
                    saxBuilder.addElement("block", result[counter]);
                }
            }
            return target.getPipeRunResult();
        }
    } catch (Exception e) {
        throw new PipeRunException(this, "Cannot create text blocks", e);
    }
}

Example 9 with MessageOutputStream

use of nl.nn.adapterframework.stream.MessageOutputStream in project iaf by ibissource.

the class MessageSendingPipe method provideOutputStream.

@Override
protected MessageOutputStream provideOutputStream(PipeLineSession session) throws StreamingException {
    MessageOutputStream result = null;
    if (sender instanceof IOutputStreamingSupport) {
        // TODO insert output validator
        // TODO insert output wrapper
        IOutputStreamingSupport streamingSender = (IOutputStreamingSupport) sender;
        result = streamingSender.provideOutputStream(session, getNextPipe());
    // TODO insert input wrapper
    // TODO insert input validator
    }
    return result;
}

Example 10 with MessageOutputStream

use of nl.nn.adapterframework.stream.MessageOutputStream in project iaf by ibissource.

the class IteratingPipe method sendMessage.

@Override
protected PipeRunResult sendMessage(Message input, PipeLineSession session, ISender sender, Map<String, Object> threadContext) throws SenderException, TimeoutException, IOException {
    // sendResult has a messageID for async senders, the result for sync senders
    StopReason stopReason = null;
    try (MessageOutputStream target = getTargetStream(session)) {
        try (Writer resultWriter = target.asWriter()) {
            ItemCallback callback = createItemCallBack(session, sender, resultWriter);
            stopReason = iterateOverInput(input, session, threadContext, callback);
        }
        PipeRunResult prr = target.getPipeRunResult();
        if (stopReason != null) {
            PipeForward forward = getForwards().get(stopReason.getForwardName());
            if (forward != null) {
                prr.setPipeForward(forward);
            }
        }
        return prr;
    } catch (SenderException | TimeoutException | IOException e) {
        throw e;
    } catch (Exception e) {
        throw new SenderException(getLogPrefix(session) + "Exception on transforming input", e);
    }
}