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A collection of classes shared by broadleaf profile, cms, admin, and core.

There is a newer version: 3.1.15-GA

/*
 * Copyright 2008-2013 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.broadleafcommerce.common.rule;

import org.broadleafcommerce.common.presentation.client.SupportedFieldType;
import org.broadleafcommerce.common.util.FormatUtil;

import java.math.BigDecimal;
import java.text.ParseException;

/**
 * Helper class for some common rule functions that can be called from mvel. An instance of this class
 * is available to the mvel runtime under the variable name mvelHelper.
 *
 * @author Jeff Fischer
 */
public class MvelHelper {

    public static Object convertField(String type, String fieldValue) {
        if (fieldValue == null) {
            return null;
        }
        try {
            if (type.equals(SupportedFieldType.BOOLEAN.toString())) {
                return Boolean.parseBoolean(fieldValue);
            } else if (type.equals(SupportedFieldType.DATE.toString())) {
                return FormatUtil.getTimeZoneFormat().parse(fieldValue);
            } else if (type.equals(SupportedFieldType.INTEGER.toString())) {
                return Integer.parseInt(fieldValue);
            } else if (type.equals(SupportedFieldType.MONEY.toString()) || type.equals(SupportedFieldType.DECIMAL.toString())) {
                return new BigDecimal(fieldValue);
            }
        } catch (ParseException e) {
            throw new RuntimeException(e);
        }
        throw new IllegalArgumentException("Unrecognized type(" + type + ") for map field conversion.");
    }

    public static Object toUpperCase(String value) {
        if (value == null) {
            return null;
        }
        return value.toUpperCase();
    }
}