/*
* Copyright 2004-2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springmodules.validation.util.cel.valang;
import org.springmodules.validation.util.cel.CelParseException;
import org.springmodules.validation.util.cel.ConditionExpressionParser;
import org.springmodules.validation.util.condition.Condition;
import org.springmodules.validation.util.condition.adapter.CommonsPredicateCondition;
import org.springmodules.validation.valang.parser.ParseException;
import org.springmodules.validation.valang.parser.SimpleValangBased;
/**
* A {@link ConditionExpressionParser} implementation that knows how to parse valang boolean expressions.
*
* @author Uri Boness
*/
public class ValangConditionExpressionParser extends SimpleValangBased implements ConditionExpressionParser {
public Condition parse(String expression) throws CelParseException {
try {
return new CommonsPredicateCondition(createValangParser(expression).parseExpression());
} catch (ParseException pe) {
throw new CelParseException("Could not parse valang expression '" + expression + "'", pe);
}
}
}