49 lines
1.7 KiB
Java
49 lines
1.7 KiB
Java
package ba.steleks.security;/**
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* Created by ensar on 28/05/17.
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*/
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import ba.steleks.model.UserRole;
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import com.google.common.collect.Lists;
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import org.springframework.security.core.GrantedAuthority;
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import org.springframework.security.core.authority.SimpleGrantedAuthority;
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import java.util.*;
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import java.util.stream.Collectors;
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public class UserRoleFactory {
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public static String toString(Collection<UserRole> userRoleSet) {
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// Transform to list
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List<UserRole> userRoleList = Lists.newArrayList(userRoleSet);
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// Sort by role name - to make different sets look the same in the end
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userRoleList.sort(Comparator.comparing(UserRole::getRoleName));
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// Transform to string
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return userRoleList.stream().map(UserRole::getRoleName).collect(Collectors.joining(","));
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}
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public static Set<UserRole> fromString(String userRoleString) {
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Set<UserRole> userRoles = new HashSet<>();
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Arrays.stream(userRoleString.split(",")).map(UserRole::new).forEach(userRoles::add);
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return userRoles;
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}
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public static List<GrantedAuthority> toGrantedAuthorities(Collection<UserRole> userRoleSet) {
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return userRoleSet
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.stream()
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// get role name
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.map(UserRole::getRoleName)
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// create authority
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.map(SimpleGrantedAuthority::new)
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.collect(Collectors.toList());
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}
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public static Set<UserRole> fromGrantedAuthorities(Collection<? extends GrantedAuthority> grantedAuthorities) {
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return grantedAuthorities
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.stream()
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.map(GrantedAuthority::getAuthority)
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.map(UserRole::new)
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.collect(Collectors.toSet());
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}
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}
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