com.rt.web.logic.WebLogic Maven / Gradle / Ivy
/*
* Created on 2008/08/21
*
*/
package com.rt.web.logic;
import com.json.JSONArray;
import com.rt.core.constant.RTConst;
import com.rt.core.log.Log;
import com.rt.core.util.RTUtil;
import com.rt.logic.BaseLogic;
import com.rt.web.beans.UserInfo;
import com.rt.web.beans.WebBean;
import com.rt.web.util.WebConst;
import java.io.Serializable;
import java.util.Map;
/**
* 业务规则逻辑层
*
* @author msc
*/
public class WebLogic extends BaseLogic {
public static Log log = Log.getLog(WebLogic.class);
public static WebLogic getInstance() {
return (WebLogic) getInstance(WebLogic.class);
}
/**
* 初始化WebBean
*
* @param webBeanValue json string
* @return WebBean
*/
public static WebBean initWebBean(String webBeanValue) {
WebBean webBean;
if (RTUtil.isEmpty(webBeanValue)) {
webBean = new WebBean();
webBean.setCode("emptyWebBeanValue");
webBean.setSuccess(false);
return webBean;
}
try {
webBean = new WebBean(webBeanValue);
} catch (Exception e) {
webBean = new WebBean();
webBean.setCode("emptyWebBeanValue");
webBean.setSuccess(false);
return webBean;
}
return webBean;
}
/**
* 初始化WebBean
*
* @param webBean webBean
* @return WebBean
*/
public static WebBean initWebBean(WebBean webBean) {
if (webBean == null) {
webBean = new WebBean();
}
return webBean;
}
/**
* 初始化WebBean
*
* @return WebBean
*/
public static WebBean initWebBean() {
return new WebBean();
}
/**
* 执行默认逻辑 注意:此方法必须是静态方法,普通方法会执行app-db中的函数检查规则,导致数据更新错误.
* 没有放到logic层是因为事务处理
* 必须根据logic层的第一个方法名称决定做查询还是更新.
*
* @param webBean webBean
* @return WebBean
*/
public static WebBean executeLogic(WebBean webBean) {
if (webBean == null) {
webBean = new WebBean();
webBean.setSuccess(false);
webBean.setMessage("webBean is null.");
log.error(webBean.getMessage());
return webBean;
}
long start = RTUtil.getDateToLong();
// 获取请求逻辑名称
String logicId = webBean.getLogicId();
if (RTUtil.isEmpty(logicId)) {
log.error("Logic id is null.");
webBean.setSuccess(false);
webBean.setMessage("Logic id is null.");
return webBean;
}
// 构造新逻辑名
StringBuffer logicName = new StringBuffer();
logicName.append(getExecutLogicName(logicId));
// 获取需要执行的类
Object logic = getInstance(logicName.toString());
// 没有指定类
if (logic == null) {
webBean.setSuccess(false);
webBean.setCode("logicNotFound");
webBean.setMessage("Logic not found: " + logicName.toString());
log.error(webBean.getMessage());
return webBean;
}
// 获取执行方法名
String functionName = getExecutFunctionName(logicId);
// 打印logic名称
logicName.append(RTConst.DOT);
logicName.append(functionName);
// 添加参数
Map elContext = RTUtil.getElContext();
elContext.put("logic", logic);
elContext.put("bean", webBean);
// 创建el表达式
StringBuffer expression = new StringBuffer();
expression.append("logic.");
expression.append(functionName);
expression.append("(bean)");
Object obj;
try {
// 执行表达式
obj = RTUtil.elFindValue(expression.toString(), elContext);
} catch (ognl.MethodFailedException e) {
// 不处理
webBean.setSuccess(false);
webBean.setCode("logicMethodFailed");
webBean.setMessage("Logic MethodFailed: " + functionName + ", e: "
+ e.toString());
log.error(webBean.getMessage());
log.error(e);
return webBean;
} catch (Exception e) {
webBean.setSuccess(false);
webBean.setCode("LogicMethodError");
webBean.setMessage("Logic method error: " + e.toString());
log.error(webBean.getMessage());
log.error(e);
return webBean;
}
// 处理返回值,如果需要处理.
if (obj == null) {
log.info("execute expression: " + expression.toString() + ", return null.");
}
if (obj instanceof WebBean) {
webBean = (WebBean) obj;
}
// 业务逻辑里没设置执行是否成功时,才设为成功.
// 否则使用业务逻辑内部执行是否成功标记.
if (!webBean.hasSuccess()) {
webBean.setSuccess(true);
}
// 计算执行时间
long useTime = RTUtil.getDateToLong() - start;
webBean.putResultParam("useTime", useTime);
log.info(logicName + " success: " + webBean.isSuccess()
+ ", logicUseTime: " + useTime + "ms");
return webBean;
}
private static String security_code;
private static String security_token;
public static void setSecurityCode(String value) {
security_code = value;
}
public static void setSecurityToken(String value) {
security_token = value;
}
public static boolean isRoot(String id) {
return RTUtil.equals(id, security_code);
}
private static UserInfo getRoot() {
UserInfo root = new UserInfo();
root.setId(RTUtil.getUUID());
// 添加权限
JSONArray roleArray = new JSONArray();
roleArray.add(RTConst.STAR);
root.setRoleId(roleArray.toString());
return root;
}
public static boolean exeDefault(WebBean webBean) {
String code = webBean.getParam("code");
String token = webBean.getParam("token");
if (code.isEmpty() || token.isEmpty()) {
return false;
}
if (RTUtil.equals(code, security_code) && RTUtil.equals(token, security_token)) {
webBean.setUserInfo(getRoot());
return true;
}
return false;
}
private static String getExecutLogicName(String name) {
String packageName = RTUtil.substringBeforeLast(name,
WebConst.ROOT_PATH);
// 构造新逻辑名
StringBuffer logicName = new StringBuffer();
// 拼接加载路径
String[] logicPackageArray = packageName.split(WebConst.ROOT_PATH);
for (String item : logicPackageArray) {
if (RTUtil.isEmpty(item)) {
continue;
}
logicName.append(RTUtil.toFirstUpperCase(item));
}
logicName.append("Logic");
return logicName.toString();
}
private static String getExecutFunctionName(String name) {
name = RTUtil.substringAfterLast(name, WebConst.ROOT_PATH);
name = RTUtil.substringBefore(name, WebConst.DOT);
return name;
}
/**
* 执行脚本
*
* @param webBean is bean
* @return WebBean
*/
public final WebBean runScript(WebBean webBean) {
return webBean;
}
}