Common logic in Java

/**
* Copyright (c) 2015-2017, Chill Zhuang Zhong ([email protected]).
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* You are not a use this file except in compliance with the License.
* Obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable or agreed to writing, software
* Distributed under the License is distributed on a "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 Com.stylefeng.guns.core.beetl;import org.apache.shiro.SecurityUtils;
Import Org.apache.shiro.subject.Subject;
Import Org.beetl.core.grouptemplate;import Com.stylefeng.guns.core.shiro.shirouser;public class ShiroExt {
private static final String Names_delimeter = ","; /**
* Get current Subject
*
* @return Subject
*/
protected static Subject Getsubject () {
return Securityutils.getsubject ();
} /**
* Get the encapsulated Shirouser
*
* @return Shirouser
*/
Public Shirouser GetUser () {
if (Isguest ()) {
return null;
} else {
Return (Shirouser) Getsubject (). Getprincipals (). Getprimaryprincipal ();
}
} /**
* Verify that the current user is part of the role? , used in conjunction with Lacksrole
*
* @param roleName role name
* @return belongs to this role: true, otherwise false
*/
public boolean hasrole (String roleName) {
return getsubject () = null && RoleName! = null
&& rolename.length () > 0 && getsubject (). Hasrole (RoleName);
} /**
* In contrast to the hasrole tag logic, validation passes when the user does not belong to the role.
*
* @param roleName role name
* @return does not belong to this role: true, otherwise false
*/
public boolean lacksrole (String roleName) {
Return!hasrole (RoleName);
} /**
* Verify that the current user is part of any of the following roles.
*
* @param rolenames Role List
* @return belongs to: true, otherwise false
*/
public boolean hasanyroles (String rolenames) {
Boolean hasanyrole = false;
Subject Subject = Getsubject ();
if (subject! = NULL && rolenames! = null && rolenames.length () > 0) {
For (String role:roleNames.split (names_delimeter)) {
if (Subject.hasrole (Role.trim ())) {
Hasanyrole = true;
Break
}
}
}
return hasanyrole;
} /**
* Verify that the current user is part of all of the following roles.
*
* @param rolenames Role List
* @return belongs to: true, otherwise false
*/
public boolean hasallroles (String rolenames) {
Boolean hasallrole = true;
Subject Subject = Getsubject ();
if (subject! = NULL && rolenames! = null && rolenames.length () > 0) {
For (String role:roleNames.split (names_delimeter)) {
if (!subject.hasrole (Role.trim ())) {
Hasallrole = false;
Break
}
}
}
return hasallrole;
} /**
* Verify that the current user has the specified permission and use it with lackspermission
*
* @param permission Permission name
* @return has permission: true, otherwise false
*/
public boolean haspermission (String permission) {
return getsubject () = NULL && permission! = NULL
&& permission.length () > 0
&& getsubject (). ispermitted (permission);
} /**
* In contrast to the haspermission tag logic, the current user does not have permission when the validation passes.
*
* @param permission Permission name
* @return has permission: true, otherwise false
*/
public boolean lackspermission (String permission) {
return!haspermission (permission);
} /**
* Approved by the user. Does not contain the remembered user, which is the difference from the user tag. Paired with notauthenticated
*
* @return Authenticated: true, otherwise false
*/
public Boolean authenticated () {
Return Getsubject ()! = null && getsubject (). IsAuthenticated ();
} /**
* Not certified by user, corresponds to authenticated tag. The difference from the guest tag is that the label contains the user that has been remembered.
*
* @return Not authenticated: true, otherwise false
*/
public Boolean notauthenticated () {
return!authenticated ();
} /**
* Authentication passed or remembered by the user. Used in conjunction with the Guset.
*
* @return User: true, otherwise false
*/
public Boolean isuser () {
Return Getsubject ()! = null && getsubject (). Getprincipal ()! = NULL;
} /**
* Verify that the current user is a "guest", that is, a user who is not certified (contains not remembered). Use with user
*
* @return Visitor: true, otherwise false
*/
public Boolean isguest () {
return!isuser ();
} /**
* Output Current user information, usually login account information.
*
* @return Current User Information
*/
Public String principal () {
if (getsubject () = null) {
Object principal = Getsubject (). Getprincipal ();
return principal.tostring ();
}
Return "";
} public static void Main (string[] args) {
GroupTemplate GT = new GroupTemplate ();
Gt.registerfunctionpackage ("Shiro", New Shiroext ()); }
}

Common logic in Java