Example usage for org.apache.commons.exec ExecuteException getCause

List of usage examples for org.apache.commons.exec ExecuteException getCause

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Introduction

In this page you can find the example usage for org.apache.commons.exec ExecuteException getCause.

Prototype

@Override
public Throwable getCause()

Source Link

Document

Return the underlying cause of this exception (if any).

Usage

From source file:com.github.zeroxff.executor.ExtendedResultHandler.java

@Override
public void onProcessFailed(ExecuteException e) {
    super.onProcessFailed(e);
    if (watchdog != null && watchdog.killedProcess()) {
        exitMode = ExecuteResult.ERROR_TIMED_OUT;
    } else if (e.getCause() == null) {
        exitMode = ExecuteResult.ERROR_COMPLETED;
    } else {// w w w .ja  va2  s . co  m
        exitMode = ExecuteResult.ERROR_IN_EXECUTION;
    }
}

From source file:at.ac.tuwien.ims.latex2mobiformulaconv.converter.html2mobi.CalibreHtmlToMobiConverter.java

@Override
public File convertToMobi(File htmlFile) {
    logger.debug("Enter convertToMobi()...");

    if (htmlFile == null) {
        logger.error("Document is null, aborting...");
        System.exit(1);/*from w w w  . j a  va 2 s. c  om*/
    }

    CommandLine cmdLine;
    if (execPath != null) {
        // Run the configured calibre ebook-convert executable
        logger.info("Calibre ebook-convert will be run from: " + execPath.toString());
        cmdLine = new CommandLine(execPath.toFile());
    } else {
        // Run in system PATH environment
        logger.info("Calibre ebook-convert will be run within the PATH variable.");
        cmdLine = new CommandLine(command);
    }

    // cli command: ebook-convert input_file.html output_file.mobi --mobi-file-type=new

    // Run configuration
    cmdLine.addArgument(Paths.get(htmlFile.toURI()).toAbsolutePath().toString());

    String mobiFilename = htmlFile.getName().toString().replace(".html", ".mobi").toString();
    Path tempMobiFilepath = Paths.get(htmlFile.toURI()).getParent().resolve(mobiFilename);

    logger.debug("Mobi output file: " + tempMobiFilepath.toAbsolutePath().toString());
    cmdLine.addArgument(tempMobiFilepath.toAbsolutePath().toString());

    // Output will be in format "KF8" only, old format does not allow external CSS files
    cmdLine.addArgument("--mobi-file-type=new");

    DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();

    ExecuteWatchdog watchdog = new ExecuteWatchdog(60 * 1000);
    Executor executor = new DefaultExecutor();
    executor.setExitValue(1);
    executor.setWatchdog(watchdog);
    StringWriter writer = new StringWriter();
    WriterOutputStream writerOutputStream = new WriterOutputStream(writer, Charset.forName("UTF-8"));

    ExecuteStreamHandler calibreStreamHandler = new PumpStreamHandler(writerOutputStream, System.err);
    executor.setStreamHandler(calibreStreamHandler);

    logger.debug("Launching calibres ebook-convert:");
    logger.debug(cmdLine.toString());

    try {
        executor.execute(cmdLine, resultHandler);
    } catch (IOException e) {
        logger.error("calibres ebook-convert failed to execute:");
        logger.error(e.getMessage(), e);
        System.exit(-1);
    }

    try {
        resultHandler.waitFor();
        int exitValue = resultHandler.getExitValue();

        logger.debug("calibre ebook-converts execution's exit value: " + exitValue);
        ExecuteException executeException = resultHandler.getException();
        if (executeException != null && executeException.getCause() != null) {

            String exceptionKlass = executeException.getCause().getClass().getCanonicalName();
            String exceptionMessage = executeException.getCause().getMessage();
            if (exceptionKlass.endsWith("IOException")
                    || exceptionMessage.contains("Cannot run program \"ebook-convert\"")) {
                logger.error("calibres ebook-convert could not be run! Exiting...");
                logger.debug(executeException);
                System.exit(1);
            }
            logger.debug(exceptionKlass + ": " + exceptionMessage);
        }

    } catch (InterruptedException e) {
        logger.error("calibre ebook-converts execution got interrupted: ");
        logger.error(e.getMessage(), e);
    }

    String output = "";
    try {
        output += writer.getBuffer().toString();
        writer.close();

    } catch (IOException e) {
        logger.error("Error reading calibre ebook-converts output from buffer:");
        logger.error(e.getMessage(), e);

    }

    logger.debug("Calibre ebook-convert output: \n" + output);

    return tempMobiFilepath.toFile();
}

From source file:at.ac.tuwien.ims.latex2mobiformulaconv.converter.html2mobi.AmazonHtmlToMobiConverter.java

@Override
public File convertToMobi(File htmlFile) {
    logger.debug("Enter convertToMobi()...");

    if (htmlFile == null) {
        logger.error("Document is null, aborting...");
        System.exit(1);/*from   w ww  . j a v  a  2  s. c o  m*/
    }

    CommandLine cmdLine;
    if (execPath != null) {
        // Run the configured kindlegen executable
        logger.info("Kindlegen will be run from: " + execPath.toString());
        cmdLine = new CommandLine(execPath.toFile());
    } else {
        // Run in system PATH environment
        logger.info("Kindlegen will be run within the PATH variable.");
        cmdLine = new CommandLine(command);
    }

    // Run configuration
    cmdLine.addArgument(Paths.get(htmlFile.toURI()).toAbsolutePath().toString());
    cmdLine.addArgument("-c0");

    DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();

    ExecuteWatchdog watchdog = new ExecuteWatchdog(60 * 1000);
    Executor executor = new DefaultExecutor();
    executor.setExitValue(1);
    executor.setWatchdog(watchdog);
    StringWriter stdoutWriter = new StringWriter();
    StringWriter stderrWriter = new StringWriter();
    WriterOutputStream writerOutputStream = new WriterOutputStream(stdoutWriter, Charset.forName("UTF-8"));
    WriterOutputStream writerErrorStream = new WriterOutputStream(stderrWriter, Charset.forName("UTF-8"));

    ExecuteStreamHandler kindlegenStreamHandler = new PumpStreamHandler(writerOutputStream, writerErrorStream);
    executor.setStreamHandler(kindlegenStreamHandler);

    logger.debug("Launching kindlegen:");
    logger.debug(cmdLine.toString());

    try {
        executor.execute(cmdLine, resultHandler);
    } catch (IOException e) {
        logger.error("Kindlegen failed to execute:");
        logger.error(e.getMessage(), e);
        System.exit(-1);
    }

    try {
        resultHandler.waitFor();
        int exitValue = resultHandler.getExitValue();

        logger.debug("Kindlegen execution's exit value: " + exitValue);
        ExecuteException executeException = resultHandler.getException();
        if (executeException != null && executeException.getCause() != null) {

            String exceptionKlass = executeException.getCause().getClass().getCanonicalName();
            String exceptionMessage = executeException.getCause().getMessage();
            if (exceptionKlass.endsWith("IOException")
                    || exceptionMessage.contains("Cannot run program \"kindlegen\"")) {
                logger.error("Kindlegen could not be run! Exiting...");
                logger.debug(executeException);
                System.exit(1);
            }
            logger.debug(exceptionKlass + ": " + exceptionMessage);
        }

    } catch (InterruptedException e) {
        logger.error("Kindlegen's execution got interrupted: ");
        logger.error(e.getMessage(), e);
    }

    try {
        String stderrOutput = stderrWriter.getBuffer().toString();
        stderrWriter.close();
        if (stderrOutput.isEmpty() == false) {
            logger.error("Kindlegen logged some errors:");
            logger.error(stderrOutput);
        }
    } catch (IOException e) {
        logger.error("Error closing kindlegen's stderr buffer");
        logger.error(e.getMessage(), e);
    }

    String output = "";
    try {
        output += stdoutWriter.getBuffer().toString();
        stdoutWriter.close();

    } catch (IOException e) {
        logger.error("Error closing kindlegen's stdout buffer:");
        logger.error(e.getMessage(), e);
    }

    logger.debug("Kindlegen output: \n" + output);

    String mobiFilename = htmlFile.getName().toString().replace(".html", ".mobi").toString();
    logger.debug("Moving Kindlegen output file: " + mobiFilename);

    Path tempMobiFilepath = Paths.get(htmlFile.toURI()).getParent().resolve(mobiFilename);
    return tempMobiFilepath.toFile();
}

From source file:at.ac.tuwien.ims.latex2mobiformulaconv.converter.latex2html.PandocLatexToHtmlConverter.java

@Override
public Document convert(File tex, String title) {
    logger.debug("Start convert() with file " + tex.toPath().toAbsolutePath().toString() + ", title: " + title);

    CommandLine cmdLine;//ww  w  .  j a v  a  2 s. c  om
    if (execPath != null) {
        // Run the configured pandoc executable
        logger.info("Pandoc will be run from: " + execPath.toString());
        cmdLine = new CommandLine(execPath.toFile());
    } else {
        // Run in system PATH environment
        logger.info("Pandoc will be run within the PATH variable.");
        cmdLine = new CommandLine("pandoc");
    }

    cmdLine.addArgument("--from=latex");
    cmdLine.addArgument("--to=html5");
    cmdLine.addArgument("--asciimathml"); // With this option, pandoc does not render latex formulas

    cmdLine.addArgument("${file}");

    HashMap<String, Path> map = new HashMap<String, Path>();
    map.put("file", Paths.get(tex.toURI()));

    cmdLine.setSubstitutionMap(map);

    DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();

    ExecuteWatchdog watchdog = new ExecuteWatchdog(60 * 1000); // max execution time 1 minute
    Executor executor = new DefaultExecutor();
    executor.setExitValue(1);
    executor.setWatchdog(watchdog);
    StringWriter writer = new StringWriter();
    WriterOutputStream writerOutputStream = new WriterOutputStream(writer, Charset.forName("UTF-8"));

    ExecuteStreamHandler pandocStreamHandler = new PumpStreamHandler(writerOutputStream, System.err);
    executor.setStreamHandler(pandocStreamHandler);

    logger.debug("Launching pandoc:");
    logger.debug(cmdLine.toString());

    try {
        executor.execute(cmdLine, resultHandler);
    } catch (IOException e) {
        logger.error("Pandoc's execution failed, exiting...");
        logger.error(e.getMessage(), e);
        System.exit(-1);
    }

    try {
        resultHandler.waitFor();
        int exitValue = resultHandler.getExitValue();

        logger.debug("Pandoc execution's exit value: " + exitValue);
        ExecuteException executeException = resultHandler.getException();
        if (executeException != null && executeException.getCause() != null) {

            String exceptionKlass = executeException.getCause().getClass().getCanonicalName();
            String exceptionMessage = executeException.getCause().getMessage();

            if (exceptionKlass.endsWith("IOException")
                    || exceptionMessage.contains("Cannot run program \"pandoc\"")) {
                logger.error("Pandoc could not be found! Exiting...");
                logger.debug(executeException);
                System.exit(1);
            }
            logger.debug(exceptionKlass + ": " + exceptionMessage);
        }

    } catch (InterruptedException e) {
        logger.error("pandoc conversion thread got interrupted, exiting...");
        logger.error(e.getMessage(), e);
        System.exit(1);
    }

    // add html document structure to output
    // pandoc returns no document markup (html, head, body)
    // therefore we have to use a template
    String htmlOutput = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" +
    // set title
            "<title>" + title + "</title>\n" +
            // include css
            "<link rel=\"stylesheet\" type=\"text/css\" href=\"main.css\"></link>\n" + "</head>\n" + "<body>";
    try {
        htmlOutput += writer.getBuffer().toString();
        writer.close();

    } catch (IOException e) {
        logger.error("Error reading html result from StringBuffer...");
        logger.error(e.getMessage(), e);
        System.exit(1);
    }

    // Close tags in template
    htmlOutput += "</body>\n" + "</html>";

    // output loading as JDOM Document
    SAXBuilder sax = new SAXBuilder();
    Document document = null;
    try {
        document = sax.build(new StringReader(htmlOutput));
    } catch (JDOMException e) {
        logger.error("JDOM Parsing error");
        logger.error(e.getMessage(), e);
        System.exit(1);
    } catch (IOException e) {
        logger.error("Error reading from String...");
        logger.error(e.getMessage(), e);
        System.exit(1);
    }
    return document;
}