Examples with WrongParameterValueException de.lmu.ifi.dbs.elki.utilities.optionhandling.WrongParameterValueException used on opensource projects

Example 1 with WrongParameterValueException

use of de.lmu.ifi.dbs.elki.utilities.optionhandling.WrongParameterValueException in project elki by elki-project.

the class FileListParameter method parseValue.

@SuppressWarnings("unchecked")
@Override
protected List<File> parseValue(Object obj) throws ParameterException {
    try {
        List<?> l = List.class.cast(obj);
        // do extra validation:
        for (Object o : l) {
            if (!(o instanceof File)) {
                throw new WrongParameterValueException(this, obj.toString(), "expected a List<File> or a String.");
            }
        }
        // TODO: can we use reflection to get extra checks?
        return (List<File>) l;
    } catch (ClassCastException e) {
    // continue with others
    }
    if (obj instanceof String) {
        String[] values = SPLIT.split((String) obj);
        ArrayList<File> fileValue = new ArrayList<>(values.length);
        for (String val : values) {
            fileValue.add(new File(val));
        }
        return fileValue;
    }
    throw new WrongParameterValueException(this, obj.toString(), "expected a String containing file names.");
}

Example 2 with WrongParameterValueException

use of de.lmu.ifi.dbs.elki.utilities.optionhandling.WrongParameterValueException in project elki by elki-project.

the class ObjectListParameter method instantiateClasses.

@Override
public List<C> instantiateClasses(Parameterization config) {
    if (instances == null) {
        // instantiateClasses will descend itself.
        instances = super.instantiateClasses(config);
    } else {
        Parameterization cfg = null;
        for (int i = 0; i < instances.size(); i++) {
            if (instances.get(i) == null) {
                Class<? extends C> cls = getValue().get(i);
                try {
                    // Descend at most once, and only when needed
                    cfg = (cfg == null) ? config.descend(this) : null;
                    C instance = ClassGenericsUtil.tryInstantiate(restrictionClass, cls, cfg);
                    instances.set(i, instance);
                } catch (Exception e) {
                    config.reportError(new WrongParameterValueException(this, cls.getName(), e.getMessage(), e));
                }
            }
        }
    }
    return new ArrayList<>(instances);
}

Example 3 with WrongParameterValueException

use of de.lmu.ifi.dbs.elki.utilities.optionhandling.WrongParameterValueException in project elki by elki-project.

the class ObjectListParameter method parseValue.

@SuppressWarnings("unchecked")
@Override
protected List<Class<? extends C>> parseValue(Object obj) throws ParameterException {
    if (obj == null) {
        throw new UnspecifiedParameterException(this);
    }
    if (List.class.isInstance(obj)) {
        List<?> l = (List<?>) obj;
        ArrayList<C> inst = new ArrayList<>(l.size());
        ArrayList<Class<? extends C>> classes = new ArrayList<>(l.size());
        for (Object o : l) {
            // does the given objects class fit?
            if (restrictionClass.isInstance(o)) {
                inst.add((C) o);
                classes.add((Class<? extends C>) o.getClass());
            } else if (o instanceof Class) {
                if (restrictionClass.isAssignableFrom((Class<?>) o)) {
                    inst.add(null);
                    classes.add((Class<? extends C>) o);
                } else {
                    throw new WrongParameterValueException(this, ((Class<?>) o).getName(), "Given class not a subclass / implementation of " + restrictionClass.getName());
                }
            } else {
                throw new WrongParameterValueException(this, o.getClass().getName(), "Given instance not an implementation of " + restrictionClass.getName());
            }
        }
        this.instances = inst;
        return super.parseValue(classes);
    }
    // Did we get a single instance?
    try {
        C inst = restrictionClass.cast(obj);
        this.instances = Arrays.asList(inst);
        return super.parseValue(inst.getClass());
    } catch (ClassCastException e) {
    // Continue
    }
    return super.parseValue(obj);
}

Example 4 with WrongParameterValueException

use of de.lmu.ifi.dbs.elki.utilities.optionhandling.WrongParameterValueException in project elki by elki-project.

the class LoggingTabPanel method configureStep.

@Override
protected synchronized void configureStep(Parameterization config) {
    StringParameter debugParam = // 
    new StringParameter(AbstractApplication.Parameterizer.DEBUG_ID).setOptional(true);
    Flag verboseFlag = new Flag(AbstractApplication.Parameterizer.VERBOSE_ID);
    // Verbose mode is a lot simpler
    if (config.grab(verboseFlag) && verboseFlag.isTrue()) {
        LoggingConfiguration.setVerbose(Level.VERBOSE);
    }
    // FIXME: add second level of verbosity!
    if (config.grab(debugParam)) {
        try {
            AbstractApplication.Parameterizer.parseDebugParameter(debugParam);
        } catch (WrongParameterValueException e) {
            de.lmu.ifi.dbs.elki.logging.LoggingUtil.exception(e);
        }
    }
}

Example 5 with WrongParameterValueException

use of de.lmu.ifi.dbs.elki.utilities.optionhandling.WrongParameterValueException in project elki by elki-project.

the class ClassListParameter method instantiateClasses.

/**
 * Returns a list of new instances for the value (i.e., the class name) of
 * this class list parameter. The instances have the type of the restriction
 * class of this class list parameter.
 * <p/>
 * If the Class for the class names is not found, the instantiation is tried
 * using the package of the restriction class as package of the class name.
 *
 * @param config Parameterization to use (if Parameterizable))
 * @return a list of new instances for the value of this class list parameter
 */
public List<C> instantiateClasses(Parameterization config) {
    config = config.descend(this);
    List<C> instances = new ArrayList<>();
    if (getValue() == null) {
        config.reportError(new UnspecifiedParameterException(this));
        // empty list.
        return instances;
    }
    for (Class<? extends C> cls : getValue()) {
        // in sync!
        try {
            instances.add(ClassGenericsUtil.tryInstantiate(restrictionClass, cls, config));
        } catch (Exception e) {
            config.reportError(new WrongParameterValueException(this, cls.getName(), e.getMessage(), e));
        }
    }
    return instances;
}