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Removed methods relating to current context from AuthorityUtils, making it a simple factory for GrantedAuthority lists etc.

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This commit is contained in:
Luke Taylor 2009-06-09 01:42:37 +00:00
parent a963be4719
commit 4768e4b13c
2 changed files with 38 additions and 40 deletions
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47
core/src/main/java/org/springframework/security/core/authority/AuthorityUtils.java
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@ -1,58 +1,25 @@
package org.springframework.security.core.authority;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.util.StringUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.util.StringUtils;
/**
* Utility method for manipulating <tt>GrantedAuthority</tt> collections etc.
* <p>
* Mainly intended for internal use.
*
* @author Luke Taylor
* @version $Id$
*/
public abstract class AuthorityUtils {
public static final List<GrantedAuthority> NO_AUTHORITIES = Collections.emptyList();
/**
* Returns true if the current user has the specified authority.
*
* @param authority the authority to test for (e.g. "ROLE_A").
* @return true if a GrantedAuthority object with the same string representation as the supplied authority
* name exists in the current user's list of authorities. False otherwise, or if the user in not authenticated.
*/
public static boolean userHasAuthority(String authority) {
List<GrantedAuthority> authorities = getUserAuthorities();
for (GrantedAuthority grantedAuthority : authorities) {
if (authority.equals(grantedAuthority.getAuthority())) {
return true;
}
}
return false;
}
/**
* Returns the authorities of the current user.
*
* @return an array containing the current user's authorities (or an empty array if not authenticated), never null.
*/
private static List<GrantedAuthority> getUserAuthorities() {
Authentication auth = SecurityContextHolder.getContext().getAuthentication();
if (auth == null || auth.getAuthorities() == null) {
return NO_AUTHORITIES;
}
return auth.getAuthorities();
}
/**
* Creates a array of GrantedAuthority objects from a comma-separated string
* representation (e.g. "ROLE_A, ROLE_B, ROLE_C").

31
core/src/test/java/org/springframework/security/core/authority/AuthorityUtilsTests.java Normal file
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@ -0,0 +1,31 @@
package org.springframework.security.core.authority;
import static org.junit.Assert.assertTrue;
import java.util.List;
import java.util.Set;
import org.junit.Test;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.AuthorityUtils;
/**
* @author Luke Taylor
* @version $Id$
*/
public class AuthorityUtilsTests {
@Test
public void commaSeparatedStringIsParsedCorrectly() {
List<GrantedAuthority> authorityArray =
AuthorityUtils.commaSeparatedStringToAuthorityList(" ROLE_A, B, C, ROLE_D\n,\n E ");
Set<String> authorities = AuthorityUtils.authorityListToSet(authorityArray);
assertTrue(authorities.contains("B"));
assertTrue(authorities.contains("C"));
assertTrue(authorities.contains("E"));
assertTrue(authorities.contains("ROLE_A"));
assertTrue(authorities.contains("ROLE_D"));
}
}