Examples with XmlProxyException nl.nn.coolgen.proxy.XmlProxyException used on opensource projects

Example 1 with XmlProxyException

use of nl.nn.coolgen.proxy.XmlProxyException in project iaf by ibissource.

the class CoolGenWrapperPipe method doPipe.

/**
 * Transform the input (optionally), check the conformance to the schema (optionally),
 * call the required proxy, transform the output (optionally)
 */
public PipeRunResult doPipe(Object input, IPipeLineSession session) throws PipeRunException {
    Writer proxyResult;
    String proxypreProc = null;
    Variant inputVar;
    String wrapperResult = "";
    CoolGenXMLProxy proxy;
    ActionListener actionListener = new ActionListener() {

        /**
         * @see java.awt.event.ActionListener#actionPerformed(ActionEvent)
         */
        public String errorMessage;

        public void actionPerformed(ActionEvent e) {
            errorMessage = e.toString();
        }

        public String toString() {
            return errorMessage;
        }
    };
    Source in;
    try {
        log.info(getLogPrefix(session) + "instantiating proxy [" + proxyClassName + "] as a temporary fix for broken comm-bridge connections");
        proxy = createProxy(proxyClassName);
    } catch (ConfigurationException ce) {
        String msg = getLogPrefix(session) + "cannot recreate proxy after exception";
        log.error(msg, ce);
        throw new PipeRunException(this, msg, ce);
    }
    proxy.addExceptionListener(actionListener);
    try {
        inputVar = new Variant(input);
        in = inputVar.asXmlSource();
        if (preProcTransformer != null) {
            proxypreProc = XmlUtils.transformXml(preProcTransformer, in);
            log.debug(getLogPrefix(session) + "] preprocessing transformed message into [" + proxypreProc + "]");
        } else
            proxypreProc = inputVar.asString();
        if (proxyInputFixTransformer != null)
            proxypreProc = XmlUtils.transformXml(proxyInputFixTransformer, proxypreProc);
        proxyResult = new StringWriter(10 * 1024);
        try {
            proxy.clear();
        } catch (PropertyVetoException e) {
            throw new PipeRunException(this, getLogPrefix(session) + "cannot clear CoolGen proxy", e);
        }
        try {
            proxy.executeXML(new StringReader(proxypreProc), proxyResult);
            proxy.removeExceptionListener(actionListener);
            String err = actionListener.toString();
            if (err != null) {
                // if an error occurs, recreate the proxy and throw an exception
                log.debug(getLogPrefix(session) + "got error, recreating proxy with class [" + proxyClassName + "]");
                try {
                    proxy = createProxy(proxyClassName);
                } catch (ConfigurationException e) {
                    throw new PipeRunException(this, getLogPrefix(session) + "cannot recreate proxy [" + proxyClassName + "]", e);
                }
                throw new PipeRunException(this, getLogPrefix(session) + "error excuting proxy [" + proxyClassName + "]:" + err);
            }
        } catch (XmlProxyException xpe) {
            try {
                proxy = createProxy(proxyClassName);
            } catch (ConfigurationException ce) {
                log.error(getLogPrefix(session) + "cannot recreate proxy", xpe);
            }
            throw new PipeRunException(this, getLogPrefix(session) + "error excecuting proxy", xpe);
        }
        if (postProcTransformer != null) {
            log.debug(getLogPrefix(session) + " CoolGen proxy returned: [" + proxyResult.toString() + "]");
            wrapperResult = XmlUtils.transformXml(postProcTransformer, proxyResult.toString());
        } else
            wrapperResult = proxyResult.toString();
    } catch (DomBuilderException e) {
        throw new PipeRunException(this, getLogPrefix(session) + "DomBuilderException excecuting proxy", e);
    } catch (IOException e) {
        throw new PipeRunException(this, getLogPrefix(session) + "IOException excecuting proxy", e);
    } catch (TransformerException e) {
        throw new PipeRunException(this, getLogPrefix(session) + "TransformerException excecuting proxy", e);
    }
    return new PipeRunResult(getForward(), wrapperResult);
}