commons/commons-util/src/main/java/com/yihu/ehr/util/rest/Envelop.java

package com.yihu.ehr.util.rest;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

/**
 * 信封对象，封装REST接口的返回值内容。包括：
 * - 页码
 * - 页大小
 * - 错误消息
 * - 错误代码
 * - 对象模型
 *
 * 信封对象的返回场景：
 * - API使用者确实无法访问返回头，即一些语言库无法处理HTTP的响应消息，这时候需要以这种形式提供返回值。
 * - API需要支持交叉域请求（通过JSONP）。
 *
 * @author llh
 */
public class Envelop<T, J> implements Serializable{

    private static final long serialVersionUID = 2076324875575488461L;

    private boolean successFlg;

    private int pageSize = 15;

    private int currPage = 1;

    private int totalPage = 0;

    private int totalCount;

    private List<T> detailModelList = new ArrayList<>();

    private J obj = (J) new HashMap<>(0);

    private String errorMsg;

    private int errorCode;

    public boolean isSuccessFlg() {
        return successFlg;
    }

    public void setSuccessFlg(boolean successFlg) {
        this.successFlg = successFlg;
    }

    public int getPageSize() {
        return pageSize;
    }

    public void setPageSize(int pageSize) {
        this.pageSize = pageSize;
    }

    public int getCurrPage() {
        return currPage;
    }

    public void setCurrPage(int currPage) {
        this.currPage = currPage;
    }

    public int getTotalPage() {
        if(pageSize == 0){
            pageSize = 15;
        }

        if (totalCount % pageSize > 0) {
            totalPage = totalCount / pageSize + 1;
        } else {
            totalPage = totalCount / pageSize;
        }
        return totalPage;
    }

    public void setTotalPage(int totalPage) {
        this.totalPage = totalPage;
    }

    public int getTotalCount() {
        return totalCount;
    }

    public void setTotalCount(int totalCount) {
        this.totalCount = totalCount;
    }

    public List<T> getDetailModelList() {
        return detailModelList;
    }

    public void setDetailModelList(List<T> detailModelList) {
        this.detailModelList = detailModelList;
    }

    public J getObj() {
        return obj;
    }

    public void setObj(J obj) {
        this.obj = obj;
    }

    public String getErrorMsg() {
        return errorMsg;
    }

    public void setErrorMsg(String errorMsg) {
        this.errorMsg = errorMsg;
    }

    public int getErrorCode() {
        return errorCode;
    }

    public void setErrorCode(int errorCode) {
        this.errorCode = errorCode;
    }

}