/*
* ProActive Parallel Suite(TM):
* The Open Source library for parallel and distributed
* Workflows & Scheduling, Orchestration, Cloud Automation
* and Big Data Analysis on Enterprise Grids & Clouds.
*
* Copyright (c) 2007 - 2017 ActiveEon
* Contact: contact@activeeon.com
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation: version 3 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* If needed, contact us to obtain a release under GPL Version 2 or 3
* or a different license than the AGPL.
*/
package org.ow2.proactive.scheduler.common.job.factories.spi.model.factory;
import java.util.List;
import org.ow2.proactive.scheduler.common.job.factories.spi.model.converter.Converter;
import org.ow2.proactive.scheduler.common.job.factories.spi.model.exceptions.ConversionException;
import org.ow2.proactive.scheduler.common.job.factories.spi.model.exceptions.ModelSyntaxException;
import org.ow2.proactive.scheduler.common.job.factories.spi.model.validator.RangeValidator;
import org.ow2.proactive.scheduler.common.job.factories.spi.model.validator.Validator;
import com.google.common.collect.Range;
public abstract class RangeParserValidator<T extends Comparable<T>> extends BaseParserValidator<T> {
public static final String LEFT_RANGE_DELIMITER = "[";
public static final String RIGHT_RANGE_DELIMITER = "]";
protected static final String LEFT_RANGE_DELIMITER_REGEXP = "\\" + LEFT_RANGE_DELIMITER;
protected static final String RIGHT_RANGE_DELIMITER_REGEXP = "\\" + RIGHT_RANGE_DELIMITER;
protected static final String RANGE_MAIN_REGEXP = LEFT_RANGE_DELIMITER_REGEXP + "([^)]+)" +
RIGHT_RANGE_DELIMITER_REGEXP;
public RangeParserValidator(String model) throws ModelSyntaxException {
super(model);
}
@Override
protected Validator<T> createValidator(String model, Converter<T> converter) throws ModelSyntaxException {
if (model.matches(getTypeRegexp())) {
return new RangeValidator();
}
String mainRangeRegexp = "^" + getTypeRegexp() + RANGE_MAIN_REGEXP + "$";
String rangeString = parseAndGetOneGroup(model, mainRangeRegexp);
try {
return new RangeValidator<>(extractRange(rangeString, converter));
} catch (IllegalArgumentException e) {
throw new ModelSyntaxException(e.getMessage(), e);
}
}
protected Range<T> extractRange(String value, Converter<T> converter) throws ModelSyntaxException {
String rangeRegexp = "^([^),]+)$|^([^),]+),([^),]+)$";
try {
List<String> modelArguments = parseAndGetRegexGroups(value, rangeRegexp);
if (modelArguments.size() == 1) {
T minValue = converter.convert(modelArguments.get(0));
return Range.atLeast(minValue);
} else if (modelArguments.size() == 2) {
T minValue = converter.convert(modelArguments.get(0));
T maxValue = converter.convert(modelArguments.get(1));
return Range.closed(minValue, maxValue);
} else {
throw new ModelSyntaxException("Internal error, regular expression for " + getType() + " '" +
rangeRegexp + "' is invalid.");
}
} catch (ConversionException | IllegalArgumentException e) {
throw new ModelSyntaxException("Illegal " + getType() + " range expression '" + value + "', " +
e.getMessage(), e);
}
}
}