5 changed files with 229 additions and 2 deletions
@ -1,13 +1,98 @@ |
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package com.example.demo; |
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import lombok.extern.slf4j.Slf4j; |
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import org.activiti.api.runtime.shared.query.Page; |
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import org.activiti.api.runtime.shared.query.Pageable; |
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import org.activiti.api.task.model.Task; |
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import org.activiti.api.task.model.builders.TaskPayloadBuilder; |
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import org.activiti.api.task.runtime.TaskRuntime; |
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import org.activiti.api.task.runtime.events.TaskAssignedEvent; |
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import org.activiti.api.task.runtime.events.TaskCompletedEvent; |
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import org.activiti.api.task.runtime.events.listener.TaskRuntimeEventListener; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.boot.CommandLineRunner; |
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import org.springframework.boot.SpringApplication; |
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import org.springframework.boot.autoconfigure.SpringBootApplication; |
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import org.springframework.context.annotation.Bean; |
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@Slf4j |
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@SpringBootApplication |
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public class DemoApplication { |
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public class DemoApplication implements CommandLineRunner { |
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public static void main(String[] args) { |
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SpringApplication.run(DemoApplication.class, args); |
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} |
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@Autowired |
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private TaskRuntime taskRuntime; |
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@Autowired |
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private SecurityUtil securityUtil; |
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@Override |
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public void run(String... args) { |
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// Using Security Util to simulate a logged in user
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securityUtil.logInAs("salaboy"); |
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// Let's create a Group Task (not assigned, all the members of the group can claim it)
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// Here 'salaboy' is the owner of the created task
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log.info("> Creating a Group Task for 'activitiTeam'"); |
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taskRuntime.create(TaskPayloadBuilder.create() |
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.withName("First Team Task") |
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.withDescription("This is something really important") |
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.withCandidateGroup("activitiTeam") |
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.withPriority(10) |
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.build()); |
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// Let's log in as 'other' user that doesn't belong to the 'activitiTeam' group
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securityUtil.logInAs("other"); |
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// Let's get all my tasks (as 'other' user)
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log.info("> Getting all the tasks"); |
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Page<Task> tasks = taskRuntime.tasks(Pageable.of(0, 10)); |
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// No tasks are returned
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log.info("> Other cannot see the task: " + tasks.getTotalItems()); |
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// Now let's switch to a user that belongs to the activitiTeam
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securityUtil.logInAs("erdemedeiros"); |
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// Let's get 'erdemedeiros' tasks
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log.info("> Getting all the tasks"); |
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tasks = taskRuntime.tasks(Pageable.of(0, 10)); |
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// 'erdemedeiros' can see and claim the task
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log.info("> erdemedeiros can see the task: " + tasks.getTotalItems()); |
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String availableTaskId = tasks.getContent().get(0).getId(); |
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// Let's claim the task, after the claim, nobody else can see the task and 'erdemedeiros' becomes the assignee
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log.info("> Claiming the task"); |
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taskRuntime.claim(TaskPayloadBuilder.claim().withTaskId(availableTaskId).build()); |
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// Let's complete the task
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log.info("> Completing the task"); |
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taskRuntime.complete(TaskPayloadBuilder.complete().withTaskId(availableTaskId).build()); |
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} |
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@Bean |
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public TaskRuntimeEventListener<TaskAssignedEvent> taskAssignedListener() { |
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return taskAssigned -> log.info(">>> Task Assigned: '" |
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+ taskAssigned.getEntity().getName() + |
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"' We can send a notification to the assginee: " + taskAssigned.getEntity().getAssignee()); |
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} |
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@Bean |
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public TaskRuntimeEventListener<TaskCompletedEvent> taskCompletedListener() { |
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return taskCompleted -> log.info(">>> Task Completed: '" |
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+ taskCompleted.getEntity().getName() + |
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"' We can send a notification to the owner: " + taskCompleted.getEntity().getOwner()); |
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} |
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} |
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@ -0,0 +1,58 @@ |
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package com.example.demo; |
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import lombok.extern.slf4j.Slf4j; |
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import org.springframework.context.annotation.Bean; |
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import org.springframework.context.annotation.Configuration; |
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import org.springframework.security.core.authority.SimpleGrantedAuthority; |
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import org.springframework.security.core.userdetails.User; |
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import org.springframework.security.core.userdetails.UserDetailsService; |
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import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder; |
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import org.springframework.security.crypto.password.PasswordEncoder; |
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import org.springframework.security.provisioning.InMemoryUserDetailsManager; |
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import java.util.Arrays; |
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import java.util.List; |
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import java.util.stream.Collectors; |
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/** |
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* @author yanpeng |
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* @version 1.0 |
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* @desc TODO |
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* @company 北京中经网软件有限公司 |
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* @date 2020/10/29 13:54 |
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*/ |
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@Slf4j |
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@Configuration |
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public class DemoApplicationConfiguration { |
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@Bean |
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public UserDetailsService myUserDetailsService() { |
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InMemoryUserDetailsManager inMemoryUserDetailsManager = new InMemoryUserDetailsManager(); |
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String[][] usersGroupsAndRoles = { |
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{"salaboy", "password", "ROLE_ACTIVITI_USER", "GROUP_activitiTeam"}, |
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{"ryandawsonuk", "password", "ROLE_ACTIVITI_USER", "GROUP_activitiTeam"}, |
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{"erdemedeiros", "password", "ROLE_ACTIVITI_USER", "GROUP_activitiTeam"}, |
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{"other", "password", "ROLE_ACTIVITI_USER", "GROUP_otherTeam"}, |
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{"admin", "password", "ROLE_ACTIVITI_ADMIN"}, |
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}; |
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for (String[] user : usersGroupsAndRoles) { |
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List<String> authoritiesStrings = Arrays.asList(Arrays.copyOfRange(user, 2, user.length)); |
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log.info("> Registering new user: " + user[0] + " with the following Authorities[" + authoritiesStrings + "]"); |
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inMemoryUserDetailsManager.createUser(new User(user[0], passwordEncoder().encode(user[1]), |
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authoritiesStrings.stream().map(s -> new SimpleGrantedAuthority(s)).collect(Collectors.toList()))); |
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} |
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return inMemoryUserDetailsManager; |
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} |
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@Bean |
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public PasswordEncoder passwordEncoder() { |
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return new BCryptPasswordEncoder(); |
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} |
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} |
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@ -0,0 +1,77 @@ |
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package com.example.demo; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.security.core.Authentication; |
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import org.springframework.security.core.GrantedAuthority; |
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import org.springframework.security.core.context.SecurityContextHolder; |
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import org.springframework.security.core.context.SecurityContextImpl; |
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import org.springframework.security.core.userdetails.UserDetails; |
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import org.springframework.security.core.userdetails.UserDetailsService; |
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import org.springframework.stereotype.Component; |
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import java.util.Collection; |
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/** |
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* @author yanpeng |
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* @version 1.0 |
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* @desc TODO |
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* @company 北京中经网软件有限公司 |
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* @date 2020/10/29 13:48 |
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*/ |
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@Component |
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public class SecurityUtil { |
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private Logger logger = LoggerFactory.getLogger(SecurityUtil.class); |
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@Autowired |
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private UserDetailsService userDetailsService; |
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public void logInAs(String username) { |
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UserDetails user = userDetailsService.loadUserByUsername(username); |
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if (user == null) { |
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throw new IllegalStateException("User " + username + " doesn't exist, please provide a valid user"); |
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} |
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logger.info("> Logged in as: " + username); |
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SecurityContextHolder.setContext(new SecurityContextImpl(new Authentication() { |
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@Override |
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public Collection<? extends GrantedAuthority> getAuthorities() { |
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return user.getAuthorities(); |
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} |
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@Override |
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public Object getCredentials() { |
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return user.getPassword(); |
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} |
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@Override |
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public Object getDetails() { |
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return user; |
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} |
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@Override |
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public Object getPrincipal() { |
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return user; |
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} |
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@Override |
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public boolean isAuthenticated() { |
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return true; |
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} |
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@Override |
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public void setAuthenticated(boolean isAuthenticated) throws IllegalArgumentException { |
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} |
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@Override |
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public String getName() { |
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return user.getUsername(); |
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} |
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})); |
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org.activiti.engine.impl.identity.Authentication.setAuthenticatedUserId(username); |
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} |
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} |
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