com.baifendian.swordfish.execserver.parameter.ParamHelper.java Source code

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Here is the source code for com.baifendian.swordfish.execserver.parameter.ParamHelper.java

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/*
 * Copyright (C) 2017 Baifendian Corporation
 *
 * 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 com.baifendian.swordfish.execserver.parameter;

import com.baifendian.swordfish.execserver.parameter.placeholder.PlaceholderUtil;
import com.baifendian.swordfish.execserver.parameter.placeholder.TimePlaceholderUtil;
import java.text.ParseException;
import java.util.Date;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.time.DateUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * ?? <p>
 */
public class ParamHelper {
    /**
     * LOGGER
     */
    private static final Logger LOGGER = LoggerFactory.getLogger(ParamHelper.class);

    /**
     * ????
     *
     * @param text ?,  ${sf.sytem.cyctime}
     * @param paramMap ?,  sf.system.cyctime -> 20170308201820, v1 -> hello,world 
     * @return
     */
    public static String resolvePlaceholders(String text, Map<String, String> paramMap) {
        if (StringUtils.isEmpty(text)) {
            return text;
        }

        // ?, 
        String cycTimeStr = paramMap.get(SystemParamManager.CYC_TIME);
        Date cycTime = getCycTime(cycTimeStr);

        // ? ${...} ?, ?????, ???
        text = PlaceholderUtil.resolvePlaceholders(text, paramMap, true);

        // ??: $[...],  $[yyyyMMddHHmmss], $[add_months(yyyyMMdd,12*N)]
        if (cycTime != null) {
            text = TimePlaceholderUtil.resolvePlaceholders(text, cycTime, true);
        }

        return text;
    }

    /**
     * ? "???" ?
     *
     * @param cycTimeStr
     * @return
     */
    private static Date getCycTime(String cycTimeStr) {
        Date cycTime = null;

        if (StringUtils.isNotEmpty(cycTimeStr)) {
            try {
                cycTime = DateUtils.parseDate(cycTimeStr, new String[] { SystemParamManager.TIME_FORMAT });
            } catch (ParseException e) {
                LOGGER.error(String.format("parse time exception: %s", cycTimeStr), e);
            }
        } else {
            cycTime = new Date();
        }

        return cycTime;
    }
}