'Collection.toArray()' call style

ldap/src/main/java/org/springframework/security/ldap/DefaultSpringSecurityContextSource.java

@@ -84,7 +84,7 @@ public class DefaultSpringSecurityContextSource extends LdapContextSource {
 			}
 		}
 
-		setUrls(urls.toArray(new String[urls.size()]));
+		setUrls(urls.toArray(new String[0]));
 		setBase(this.rootDn);
 		setPooled(true);
 		setAuthenticationStrategy(new SimpleDirContextAuthenticationStrategy() {

ldap/src/main/java/org/springframework/security/ldap/userdetails/LdapUserDetailsManager.java

@@ -271,7 +271,7 @@ public class LdapUserDetailsManager implements UserDetailsManager {
 			}
 		}
 
-		template.modifyAttributes(dn, mods.toArray(new ModificationItem[mods.size()]));
+		template.modifyAttributes(dn, mods.toArray(new ModificationItem[0]));
 
 		// template.rebind(dn, ctx, null);
 		// Remove the old authorities and replace them with the new one

ldap/src/main/java/org/springframework/security/ldap/userdetails/NestedLdapAuthoritiesPopulator.java

@@ -201,7 +201,7 @@ public class NestedLdapAuthoritiesPopulator extends DefaultLdapAuthoritiesPopula
 				.searchForMultipleAttributeValues(getGroupSearchBase(),
 						getGroupSearchFilter(), new String[] { userDn, username },
 						getAttributeNames()
-								.toArray(new String[getAttributeNames().size()]));
+								.toArray(new String[0]));
 
 		if (logger.isDebugEnabled()) {
 			logger.debug("Roles from search: " + userRoles);

ldap/src/main/java/org/springframework/security/ldap/userdetails/Person.java

@@ -56,7 +56,7 @@ public class Person extends LdapUserDetailsImpl {
 	}
 
 	public String[] getCn() {
-		return cn.toArray(new String[cn.size()]);
+		return cn.toArray(new String[0]);
 	}
 
 	public String getDescription() {