FunctionExpressionParser.java

/*
 * 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.fel;

/**
 * Represents a parser that can parse function expression and produce an appropriate function.
 *
 * @author Uri Boness
 */
public interface FunctionExpressionParser {

    /**
     * Parses the given function expression and returns the parsed function.
     *
     * @param expression The function expression.
     * @return The parsed function.
     * @throws FelParseException thrown when the expression parsing fails.
     */
    Function parse(String expression) throws FelParseException;

}