package com.github.dactiv.showcase.common;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.github.dactiv.showcase.common.enumeration.SystemDictionaryCode;
import com.github.dactiv.showcase.common.enumeration.ValueEnum;
import com.github.dactiv.showcase.entity.foundation.variable.DataDictionary;
import com.github.dactiv.showcase.service.foundation.SystemVariableManager;
import com.google.common.collect.Lists;
/**
* 系统变量工具类
*
* @author maurice
*
*/
@Component
public class SystemVariableUtils {
static public String DEFAULT_DICTIONARY_VALUE = "无";
static private SystemVariableManager systemVariableManager;
@Autowired
public void setSystemVariableManager(SystemVariableManager systemDictionaryManager) {
SystemVariableUtils.systemVariableManager = systemDictionaryManager;
}
/**
* 获取数据字典名称
*
* @param systemDictionaryCode 类别代码
* @param value 值
*
* @return String
*/
public static String getName(SystemDictionaryCode systemDictionaryCode,Object value) {
if (value == null || systemDictionaryCode == null) {
return DEFAULT_DICTIONARY_VALUE;
}
if (value instanceof String && StringUtils.isEmpty(value.toString())) {
return DEFAULT_DICTIONARY_VALUE;
}
List<DataDictionary> dataDictionaries = systemVariableManager.getDataDictionariesByCategoryCode(systemDictionaryCode);
for (Iterator<DataDictionary> iterator = dataDictionaries.iterator(); iterator.hasNext();) {
DataDictionary dataDictionary = iterator.next();
if (StringUtils.equals(dataDictionary.getValue(), value.toString())) {
return dataDictionary.getName();
}
}
return DEFAULT_DICTIONARY_VALUE;
}
/**
* 通过字典枚举获取字典名称
*
* @param enumClass 字典枚举class
* @param value 值
*
* @return String
*/
public static String getName(Class<? extends Enum<? extends ValueEnum<?>>> enumClass,Object value) {
if (value == null || enumClass == null) {
return DEFAULT_DICTIONARY_VALUE;
}
if (value instanceof String && StringUtils.isEmpty(value.toString())) {
return DEFAULT_DICTIONARY_VALUE;
}
Enum<?>[] values = enumClass.getEnumConstants();
for (Enum<?> o : values) {
ValueEnum<?> ve = (ValueEnum<?>) o;
if (StringUtils.equals(ve.getValue().toString(), value.toString())) {
return ve.getName();
}
}
return DEFAULT_DICTIONARY_VALUE;
}
/**
* 通过字典类别代码获取数据字典集合
*
* @param code 字典类别
* @param ignoreValue 忽略字典的值
*
* @return List
*/
public static List<DataDictionary> getVariables(SystemDictionaryCode code) {
return systemVariableManager.getDataDictionariesByCategoryCode(code);
}
/**
* 通过字典枚举获取数据字典集合
*
* @param enumClass 字典枚举 class
* @param ignoreValue 忽略字典的值
*
* @return List
*/
public static List<DataDictionary> getVariables(Class<? extends Enum<? extends ValueEnum<?>>> enumClass, Object... ignoreValue) {
List<DataDictionary> result = Lists.newArrayList();
Enum<?>[] values = enumClass.getEnumConstants();
for (Enum<?> o : values) {
ValueEnum<?> ve = (ValueEnum<?>) o;
Object value = ve.getValue();
//判断是否该值的字段要忽略
if(!ArrayUtils.contains(ignoreValue,value)) {
String type = value.getClass().getSimpleName();
if(type.equals("Date")) {
type = "D";
} else if (type.equals("Double")) {
type = "N";
}
result.add(new DataDictionary(ve.getName(),value.toString(),StringUtils.substring(type, 0, 1)));
}
}
return result;
}
/**
* 获取当前系统常用Session变量实体
*
* @return {@link SessionVariable}
*/
public static SessionVariable getSessionVariable() {
Subject subject = SecurityUtils.getSubject();
if (subject != null && subject.getPrincipals() != null) {
return subject.getPrincipals().oneByType(SessionVariable.class);
}
return null;
}
/**
* 创建一个shiro的session,如果存在session就用现有的session，否则创建一个新的session
*
* @return {@link Session}
*/
public static Session createSessionIfNull() {
Session session = getSession();
if (session == null) {
session = getSession(true);
}
return session;
}
/**
* 获取shiro的session
*
* @return {@link Session}
*/
public static Session getSession() {
return getSession(false);
}
/**
*
* 获取shiro的session
*
* @param create true表示如果不存在，就创建，否则用现有的
*
* @return {@link Session}
*/
public static Session getSession(boolean create) {
return SecurityUtils.getSubject().getSession(create);
}
/**
* 判断当前会话是否登录
*
* @return boolean
*/
public static boolean isAuthenticated() {
return SecurityUtils.getSubject().isAuthenticated();
}
}