org.gradle.Tutorial.java Source code

Java tutorial

Introduction

Here is the source code for org.gradle.Tutorial.java

Source

package org.gradle;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.*;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.Factory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Tutorial {

    private static final transient Logger log = LoggerFactory.getLogger(Tutorial.class);

    public static void main(String[] args) {
        log.info("My First Apache Shiro Application");

        //1.
        Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");

        //2.
        SecurityManager securityManager = factory.getInstance();

        //3.
        SecurityUtils.setSecurityManager(securityManager);

        Subject currentUser = SecurityUtils.getSubject();

        Session session = currentUser.getSession();
        session.setAttribute("someKey", "aValue");

        String value = (String) session.getAttribute("someKey");
        if (value.equals("aValue")) {
            log.info("Retrieved the correct value! [" + value + "]");
        }

        if (!currentUser.isAuthenticated()) {
            //collect user principals and credentials in a gui specific manner 
            //such as username/password html form, X509 certificate, OpenID, etc.
            //We'll use the username/password example here since it is the most common.
            UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");

            //this is all you have to do to support 'remember me' (no config - built in!):
            token.setRememberMe(true);

            try {
                currentUser.login(token);
                //if no exception, that's it, we're done!

                if (currentUser.hasRole("schwartz")) {
                    log.info("May the Schwartz be with you!");
                } else {
                    log.info("Hello, mere mortal.");
                }

                if (currentUser.isPermitted("lightsaber:weild")) {
                    log.info("You may use a lightsaber ring.  Use it wisely.");
                } else {
                    log.info("Sorry, lightsaber rings are for schwartz masters only.");
                }
                if (currentUser.isPermitted("winnebago:drive:eagle5")) {
                    log.info("You are permitted to 'drive' the 'winnebago' with license plate (id) 'eagle5'.  "
                            + "Here are the keys - have fun!");
                } else {
                    log.info("Sorry, you aren't allowed to drive the 'eagle5' winnebago!");
                }
            } catch (UnknownAccountException uae) {
                //username wasn't in the system, show them an error message?
                uae.printStackTrace();
            } catch (IncorrectCredentialsException ice) {
                //password didn't match, try again?
                ice.printStackTrace();
            } catch (LockedAccountException lae) {
                //account for that username is locked - can't login.  Show them a message?
                lae.printStackTrace();
            } catch (AuthenticationException ae) {
                //unexpected condition - error?
                ae.printStackTrace();
            }
        }

        currentUser.logout(); //removes all identifying information and invalidates their session too.

        System.exit(0);
    }
}