vip.justlive.common.web.util.UserUtils Maven / Gradle / Ivy
/*
* Copyright (C) 2018 justlive1
*
* 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 vip.justlive.common.web.util;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;
import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils;
import com.google.common.collect.Maps;
import vip.justlive.common.base.exception.Exceptions;
import vip.justlive.common.base.util.ReflectUtils;
/**
* 用户相关工具类
*
* @author wubo
*
*/
public class UserUtils {
private static final String CAS_USERUTILS_CLASS =
"justlive.earth.breeze.storm.cas.client.util.CasUserUtils";
private static final String SECURITY_USERUTILS_CLASS =
"justlive.earth.breeze.storm.cas.client.security.util.SercurityUserUtils";
private static final String SHIRO_USERUTILS_CLASS =
"justlive.earth.breeze.storm.cas.client.shiro.util.ShiroUserUtils";
private static final Map CACHE_MAP = Maps.newHashMap();
private UserUtils() {}
/**
* 获取当前登陆用户名
*
* @return 登录用户名
*/
public static String loginUserName() {
return invoke();
}
private static String invoke() {
String methodName = Thread.currentThread().getStackTrace()[2].getMethodName();
Method method = CACHE_MAP.get(methodName);
if (method == null) {
Class clazz = null;
if (ClassUtils.isPresent(CAS_USERUTILS_CLASS, UserUtils.class.getClassLoader())) {
clazz = ReflectUtils.forName(CAS_USERUTILS_CLASS);
} else if (ClassUtils.isPresent(SECURITY_USERUTILS_CLASS, UserUtils.class.getClassLoader())) {
clazz = ReflectUtils.forName(SECURITY_USERUTILS_CLASS);
} else if (ClassUtils.isPresent(SHIRO_USERUTILS_CLASS, UserUtils.class.getClassLoader())) {
clazz = ReflectUtils.forName(SHIRO_USERUTILS_CLASS);
}
if (clazz == null) {
return null;
}
method = ReflectionUtils.findMethod(clazz, methodName);
CACHE_MAP.put(methodName, method);
}
return invoke(method, null);
}
@SuppressWarnings("unchecked")
private static T invoke(Method method, Object obj, Object... args) {
try {
return (T) method.invoke(obj, args);
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
throw Exceptions.wrap(e);
}
}
}