Examples with XPathException org.exist.xquery.XPathException used on opensource projects

Example 81 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class Hash method eval.

/* (non-Javadoc)
      * @see org.exist.xquery.Expression#eval(org.exist.dom.persistent.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
      */
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    boolean base64 = false;
    final String message = args[0].itemAt(0).getStringValue();
    final String algorithm = args[1].itemAt(0).getStringValue();
    if (args.length > 2) {
        base64 = args[2].effectiveBooleanValue();
    }
    String md = null;
    try {
        md = MessageDigester.calculate(message, algorithm, base64);
    } catch (final IllegalArgumentException ex) {
        throw new XPathException(ex.getMessage());
    }
    return (new StringValue(md));
}

Example 82 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class BaseConversionFunctions method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    if (isCalledAs(qnIntToOctal.getLocalPart())) {
        final int i = args[0].toJavaObject(Integer.class);
        final String octal = i == 0 ? "0" : "0" + Integer.toOctalString(i);
        return new StringValue(octal);
    } else if (isCalledAs(qnOctalToInt.getLocalPart())) {
        final String octal = args[0].toString();
        return new IntegerValue(Integer.parseInt(octal, 8));
    } else {
        throw new XPathException("Unknown function call: " + getSignature());
    }
}

Example 83 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class Shutdown method eval.

/* (non-Javadoc)
	 * @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[], org.exist.xquery.value.Sequence)
	 */
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (context.getSubject().hasDbaRole()) {
        // determine the shutdown delay
        long delay = 0;
        if (args.length == 1) {
            if (!args[0].isEmpty()) {
                delay = ((NumericValue) args[0].itemAt(0)).getLong();
            }
        }
        // get the broker pool and shutdown
        final BrokerPool pool = context.getBroker().getBrokerPool();
        if (delay > 0) {
            logger.info("Shutdown in {} milliseconds.", delay);
            final Timer timer = new Timer("eXist-db shutdown schedule", true);
            final TimerTask task = new DelayedShutdownTask(timer, pool);
            timer.schedule(task, delay);
        } else {
            logger.info("Shutting down now.");
            pool.shutdown();
        }
    } else {
        final XPathException xPathException = new XPathException(this, "Permission denied, calling user '" + context.getSubject().getName() + "' must be a DBA to shutdown the database");
        logger.error("Invalid user", xPathException);
        throw xPathException;
    }
    return Sequence.EMPTY_SEQUENCE;
}

Example 84 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class TriggerSystemTask method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    final String className = args[0].getStringValue();
    final Properties properties = new Properties();
    if (args[1].hasOne()) {
        parseParameters(((NodeValue) args[1].itemAt(0)).getNode(), properties);
    }
    try {
        final Class<?> clazz = Class.forName(className);
        final Object taskObject = clazz.newInstance();
        if (!(taskObject instanceof SystemTask)) {
            final XPathException xPathException = new XPathException(this, className + " is not an instance of org.exist.storage.SystemTask");
            logger.error("Java classname is not a SystemTask", xPathException);
            throw xPathException;
        }
        final SystemTask task = (SystemTask) taskObject;
        task.configure(context.getBroker().getConfiguration(), properties);
        LOG.info("Triggering SystemTask: {}", className);
        context.getBroker().getBrokerPool().triggerSystemTask(task);
    } catch (final ClassNotFoundException e) {
        final String message = "system task class '" + className + "' not found";
        logger.error(message, e);
        throw new XPathException(this, message);
    } catch (final InstantiationException e) {
        final String message = "system task '" + className + "' can not be instantiated";
        logger.error(message, e);
        throw new XPathException(this, message);
    } catch (final IllegalAccessException e) {
        final String message = "system task '" + className + "' can not be accessed";
        logger.error(message, e);
        throw new XPathException(this, message);
    } catch (final EXistException e) {
        final String message = "system task " + className + " reported an error during initialization: ";
        logger.error(message, e);
        throw new XPathException(this, message + e.getMessage(), e);
    }
    return Sequence.EMPTY_SEQUENCE;
}

Example 85 with XPathException

use of org.exist.xquery.XPathException in project exist by eXist-db.

the class BaseConverter method eval.

/* (non-Javadoc)
      * @see org.exist.xquery.Expression#eval(org.exist.dom.persistent.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
      */
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    int intValue;
    String stringValue;
    final String number = args[0].itemAt(0).getStringValue();
    final int intBase = ((IntegerValue) args[1].itemAt(0)).getInt();
    if (isCalledAs("base-to-integer")) {
        intValue = Integer.parseInt(number, intBase);
        return new IntegerValue(intValue);
    } else {
        switch(Base.getBase(intBase)) {
            case BINARY:
                stringValue = Integer.toBinaryString(Integer.parseInt(number));
                break;
            case OCTAL:
                stringValue = Integer.toOctalString(Integer.parseInt(number));
                break;
            // break;
            case HEXADECIMAL:
                stringValue = Integer.toHexString(Integer.parseInt(number));
                break;
            default:
                {
                    logger.error("Unhandled base for conversion target in integer-to-base().");
                    throw new XPathException("Unhandled base for conversion target in integer-to-base().");
                }
        }
        return new StringValue(stringValue);
    }
}