Examples with Namespace org.jdom.Namespace used on opensource projects

Example 66 with Namespace

use of org.jdom.Namespace in project oozie by apache.

the class SqoopActionExecutor method setupActionConf.

@Override
Configuration setupActionConf(Configuration actionConf, Context context, Element actionXml, Path appPath) throws ActionExecutorException {
    super.setupActionConf(actionConf, context, actionXml, appPath);
    Namespace ns = actionXml.getNamespace();
    try {
        Element e = actionXml.getChild("configuration", ns);
        if (e != null) {
            String strConf = XmlUtils.prettyPrint(e).toString();
            XConfiguration inlineConf = new XConfiguration(new StringReader(strConf));
            XConfiguration.copy(inlineConf, actionConf);
            checkForDisallowedProps(inlineConf, "inline configuration");
        }
    } catch (IOException ex) {
        throw convertException(ex);
    }
    final List<String> argList = new ArrayList<>();
    // Build a list of arguments from either a tokenized <command> string or a list of <arg>
    if (actionXml.getChild("command", ns) != null) {
        String command = actionXml.getChild("command", ns).getTextTrim();
        StringTokenizer st = new StringTokenizer(command, " ");
        while (st.hasMoreTokens()) {
            argList.add(st.nextToken());
        }
    } else {
        @SuppressWarnings("unchecked") List<Element> eArgs = (List<Element>) actionXml.getChildren("arg", ns);
        for (Element elem : eArgs) {
            argList.add(elem.getTextTrim());
        }
    }
    // "sqoop --option", as that's entirely invalid.
    if (argList.size() > 1 && argList.get(0).equalsIgnoreCase(SQOOP) && !argList.get(1).startsWith("-")) {
        XLog.getLog(getClass()).info("Found a redundant 'sqoop' prefixing the command. Removing it.");
        argList.remove(0);
    }
    setSqoopCommand(actionConf, argList.toArray(new String[argList.size()]));
    return actionConf;
}

Example 67 with Namespace

use of org.jdom.Namespace in project oozie by apache.

the class SqoopActionExecutor method evaluateConfigurationProperty.

// Return the value of the specified configuration property
private String evaluateConfigurationProperty(Element actionConf, String key, String defaultValue) throws ActionExecutorException {
    try {
        if (actionConf != null) {
            Namespace ns = actionConf.getNamespace();
            Element e = actionConf.getChild("configuration", ns);
            if (e != null) {
                String strConf = XmlUtils.prettyPrint(e).toString();
                XConfiguration inlineConf = new XConfiguration(new StringReader(strConf));
                return inlineConf.get(key, defaultValue);
            }
        }
        return defaultValue;
    } catch (IOException ex) {
        throw convertException(ex);
    }
}

Example 68 with Namespace

use of org.jdom.Namespace in project oozie by apache.

the class SshActionExecutor method check.

/**
 * Check ssh action status.
 *
 * @param context action execution context.
 * @param action action object.
 * @throws org.apache.oozie.action.ActionExecutorException
 */
@Override
public void check(Context context, WorkflowAction action) throws ActionExecutorException {
    LOG.trace("check() start for action={0}", action.getId());
    Status status = getActionStatus(context, action);
    boolean captureOutput = false;
    try {
        Element eConf = XmlUtils.parseXml(action.getConf());
        Namespace ns = eConf.getNamespace();
        captureOutput = eConf.getChild("capture-output", ns) != null;
    } catch (JDOMException ex) {
        throw new ActionExecutorException(ActionExecutorException.ErrorType.ERROR, "ERR_XML_PARSE_FAILED", "unknown error", ex);
    }
    LOG.debug("Capture Output: {0}", captureOutput);
    if (status == Status.OK) {
        if (captureOutput) {
            String outFile = getRemoteFileName(context, action, "stdout", false, true);
            String dataCommand = SSH_COMMAND_BASE + action.getTrackerUri() + " cat " + outFile;
            LOG.debug("Ssh command [{0}]", dataCommand);
            try {
                final Process process = Runtime.getRuntime().exec(dataCommand.split("\\s"));
                final StringBuffer outBuffer = new StringBuffer();
                final StringBuffer errBuffer = new StringBuffer();
                boolean overflow = false;
                drainBuffers(process, outBuffer, errBuffer, maxLen);
                LOG.trace("outBuffer={0}", outBuffer);
                LOG.trace("errBuffer={0}", errBuffer);
                if (outBuffer.length() > maxLen) {
                    overflow = true;
                }
                if (overflow) {
                    throw new ActionExecutorException(ActionExecutorException.ErrorType.ERROR, "ERR_OUTPUT_EXCEED_MAX_LEN", "unknown error");
                }
                context.setExecutionData(status.toString(), PropertiesUtils.stringToProperties(outBuffer.toString()));
                LOG.trace("Execution data set. status={0}, properties={1}", status, PropertiesUtils.stringToProperties(outBuffer.toString()));
            } catch (Exception ex) {
                throw new ActionExecutorException(ActionExecutorException.ErrorType.ERROR, "ERR_UNKNOWN_ERROR", "unknown error", ex);
            }
        } else {
            LOG.trace("Execution data set to null. status={0}", status);
            context.setExecutionData(status.toString(), null);
        }
    } else {
        if (status == Status.ERROR) {
            LOG.warn("Execution data set to null in ERROR");
            context.setExecutionData(status.toString(), null);
        } else {
            LOG.warn("Execution data not set");
            context.setExternalStatus(status.toString());
        }
    }
    LOG.trace("check() end for action={0}", action);
}

Example 69 with Namespace

use of org.jdom.Namespace in project oozie by apache.

the class SshActionExecutor method start.

/**
 * Start the ssh action execution.
 *
 * @param context action execution context.
 * @param action action object.
 * @throws org.apache.oozie.action.ActionExecutorException
 */
@SuppressWarnings("unchecked")
@Override
public void start(final Context context, final WorkflowAction action) throws ActionExecutorException {
    LOG.info("Starting action");
    String confStr = action.getConf();
    Element conf;
    try {
        conf = XmlUtils.parseXml(confStr);
    } catch (Exception ex) {
        throw convertException(ex);
    }
    Namespace nameSpace = conf.getNamespace();
    Element hostElement = conf.getChild("host", nameSpace);
    String hostString = hostElement.getValue().trim();
    hostString = prepareUserHost(hostString, context);
    final String host = hostString;
    final String dirLocation = execute(new Callable<String>() {

        public String call() throws Exception {
            return setupRemote(host, context, action);
        }
    });
    String runningPid = execute(new Callable<String>() {

        public String call() throws Exception {
            return checkIfRunning(host, context, action);
        }
    });
    String pid = "";
    LOG.trace("runningPid={0}", runningPid);
    if (runningPid == null) {
        final Element commandElement = conf.getChild("command", nameSpace);
        final boolean ignoreOutput = conf.getChild("capture-output", nameSpace) == null;
        boolean preserve = false;
        if (commandElement != null) {
            String[] args = null;
            // Will either have <args>, <arg>, or neither (but not both)
            List<Element> argsList = conf.getChildren("args", nameSpace);
            // Arguments in an <args> are "flattened" (spaces are delimiters)
            if (argsList != null && argsList.size() > 0) {
                StringBuilder argsString = new StringBuilder("");
                for (Element argsElement : argsList) {
                    argsString = argsString.append(argsElement.getValue()).append(" ");
                }
                args = new String[] { argsString.toString() };
            } else {
                // Arguments in an <arg> are preserved, even with spaces
                argsList = conf.getChildren("arg", nameSpace);
                if (argsList != null && argsList.size() > 0) {
                    preserve = true;
                    args = new String[argsList.size()];
                    for (int i = 0; i < argsList.size(); i++) {
                        Element argsElement = argsList.get(i);
                        args[i] = argsElement.getValue();
                        // them or escape their space (because the scripts will split them up otherwise)
                        if (args[i].contains(" ") && !(args[i].startsWith("\"") && args[i].endsWith("\"") || args[i].startsWith("'") && args[i].endsWith("'"))) {
                            args[i] = StringUtils.escapeString(args[i], '\\', ' ');
                        }
                    }
                }
            }
            final String[] argsF = args;
            final String recoveryId = context.getRecoveryId();
            final boolean preserveF = preserve;
            pid = execute(new Callable<String>() {

                @Override
                public String call() throws Exception {
                    return doExecute(host, dirLocation, commandElement.getValue(), argsF, ignoreOutput, action, recoveryId, preserveF);
                }
            });
        }
        context.setStartData(pid, host, host);
    } else {
        pid = runningPid;
        context.setStartData(pid, host, host);
        check(context, action);
    }
}

Example 70 with Namespace

use of org.jdom.Namespace in project oozie by apache.

the class InputLogicParser method processChildNode.

/**
 * Process child node.
 *
 * @param root the root
 * @param opt the opt
 * @param min the min
 * @param wait the wait
 * @return the string
 */
@SuppressWarnings("unchecked")
private String processChildNode(final Element root, final String opt, final String min, final String wait) {
    StringBuffer parsedString = new StringBuffer();
    Namespace ns = root.getNamespace();
    List<Element> childrens = root.getChildren(COORD_INPUT_EVENTS_DATA_IN, ns);
    for (int i = 0; i < childrens.size(); i++) {
        parsedString.append(parseDataInNode(childrens.get(i), min, wait));
        if (i < childrens.size() - 1) {
            parsedString.append(" " + opt + " ");
        }
    }
    return parsedString.toString();
}