com.envision.envservice.common.util.SAPUtil.java Source code

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Here is the source code for com.envision.envservice.common.util.SAPUtil.java

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/******************************************************************************
 * @File name   :      SAPUtil.java
 *
 * @Package    :      com.envision.envservice.common.util
 *
 * @Author      :      guowei.wang
 *
 * @Date        :      2015-11-2 ?3:51:08
 *
 * @Description :       
 *
 * @Copyright Notice: 
 * Copyright (c) 2015 Envision, Inc. All  Rights Reserved.
 * This software is published under the terms of the Envision Software
 * License version 1.0, a copy of which has been included with this
 * distribution in the LICENSE.txt file.
 * 
 * 
 * ----------------------------------------------------------------------------
 * Date                         Who         Version        Comments
 * 2015-11-2 ?3:51:08             guowei.wang     1.0            Initial Version
 *****************************************************************************/
package com.envision.envservice.common.util;

import java.util.Date;
import java.util.Objects;

import org.apache.commons.lang.StringUtils;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

/**
 * @ClassName SAPUtil
 * @author guowei.wang
 * @date 2015-11-2
 */
public class SAPUtil {

    public static final String DATA_FORMAT = "JSON";

    public static final String PARAM_TOP = "$top";

    public static final String PARAM_SKIP = "$skip";

    public static final String PARAM_FORMAT = "$format";

    public static final String PARAM_SEPARATOR = "?";

    public static final String PARAM_CONNECTOR = "&";

    public static final String PARAM_KV_CONNECTOR = "=";

    private static final String FIELD_PREFIX_DATE = "/Date(";
    private static final String FIELD_SUFFIX_DATE = ")/";

    private static final String FIELD_PREFIX_CODE = "(";
    private static final String FIELD_SUFFIX_CODE = ")";

    private static final String MARK_SPACE = " ";

    public static JSONObject getEntity(JSONObject sapResponseEntity) {
        return sapResponseEntity.getJSONObject("d");
    }

    public static JSONArray getEntitys(JSONObject sapResponseEntity) {
        return sapResponseEntity.getJSONObject("d").getJSONArray("results");
    }

    /**
     * To Field Code
     */
    public static String toFieldCode(String sapInfo) {
        if (StringUtils.isEmpty(sapInfo)) {
            return StringUtils.EMPTY;
        }

        int codeStart = sapInfo.lastIndexOf(FIELD_PREFIX_CODE) + FIELD_PREFIX_CODE.length();
        int codeEnd = sapInfo.lastIndexOf(FIELD_SUFFIX_CODE);
        //      int codeEnd = sapInfo.indexOf(FIELD_SUFFIX_CODE);

        if (codeStart == -1 || codeEnd == -1) {
            return sapInfo;
        }

        return sapInfo.substring(codeStart, codeEnd);
    }

    /**
     * To Field Display
     */
    public static String toFieldDisplay(String sapInfo) {
        if (StringUtils.isEmpty(sapInfo)) {
            return StringUtils.EMPTY;
        }

        if (!sapInfo.contains(MARK_SPACE)) {
            return sapInfo;
        }

        return sapInfo.substring(0, sapInfo.lastIndexOf(FIELD_PREFIX_CODE) - 1);
    }

    /**
     * ?SAP Date
     */
    public static String formatSAPDate(String sapDate) {
        return formatSAPDate(sapDate, DateUtil.YYYYMMDD);
    }

    /**
     * ?SAP Date
     */
    public static String formatSAPDate(String sapDate, String format) {
        if (StringUtils.isEmpty(sapDate)) {
            return StringUtils.EMPTY;
        }

        Objects.requireNonNull(format);

        int tsStart = sapDate.indexOf(FIELD_PREFIX_DATE) + FIELD_PREFIX_DATE.length();
        int tsEnd = sapDate.indexOf(FIELD_SUFFIX_DATE);
        String ts = sapDate.substring(tsStart, tsEnd);

        return DateUtil.format(new Date(Long.valueOf(ts)), format);
    }
}