Tidy up screwy formatting.

This commit is contained in:
Luke Taylor 2006-04-26 21:19:20 +00:00
parent a7d0f88e01
commit 8400341399
1 changed files with 81 additions and 81 deletions

View File

@ -28,15 +28,17 @@ import org.springframework.util.Assert;
/**
* Base implementation of {@link ConcurrentSessionControllerImpl} which
* prohibits simultaneous logins.
*
* <p>
* By default uses {@link org.acegisecurity.concurrent.SessionRegistryImpl},
* By default uses {@link SessionRegistryImpl},
* although any <code>SessionRegistry</code> may be used.
* </p>
*
* @author Ben Alex
* @version $Id$
*/
public class ConcurrentSessionControllerImpl
implements ConcurrentSessionController, InitializingBean,
MessageSourceAware {
public class ConcurrentSessionControllerImpl implements ConcurrentSessionController,
InitializingBean, MessageSourceAware {
//~ Instance fields ========================================================
protected MessageSourceAccessor messages = AcegiMessageSource.getAccessor();
@ -49,7 +51,7 @@ public class ConcurrentSessionControllerImpl
public void afterPropertiesSet() throws Exception {
Assert.notNull(sessionRegistry, "SessionRegistry required");
Assert.isTrue(maximumSessions != 0,
"MaximumLogins must be either -1 to allow unlimited logins, or a positive integer to specify a maximum");
"MaximumLogins must be either -1 to allow unlimited logins, or a positive integer to specify a maximum");
Assert.notNull(this.messages, "A message source must be set");
}
@ -57,22 +59,21 @@ public class ConcurrentSessionControllerImpl
* Allows subclasses to customise behaviour when too many sessions are
* detected.
*
* @param sessionId the session ID of the present request
* @param sessions either <code>null</code> or all unexpired sessions
* associated with the principal
* @param sessionId the session ID of the present request
* @param sessions either <code>null</code> or all unexpired sessions
* associated with the principal
* @param allowableSessions DOCUMENT ME!
* @param registry an instance of the <code>SessionRegistry</code> for
* subclass use
*
* @param registry an instance of the <code>SessionRegistry</code> for
* subclass use
* @throws ConcurrentLoginException DOCUMENT ME!
*/
protected void allowableSessionsExceeded(String sessionId,
SessionInformation[] sessions, int allowableSessions,
SessionRegistry registry) {
SessionInformation[] sessions, int allowableSessions,
SessionRegistry registry) {
if (exceptionIfMaximumExceeded || (sessions == null)) {
throw new ConcurrentLoginException(messages.getMessage(
"ConcurrentSessionControllerImpl.exceededAllowed",
new Object[] {new Integer(allowableSessions)},
new Object[]{new Integer(allowableSessions)},
"Maximum sessions of {0} for this principal exceeded"));
}
@ -81,8 +82,8 @@ public class ConcurrentSessionControllerImpl
for (int i = 0; i < sessions.length; i++) {
if ((leastRecentlyUsed == null)
|| sessions[i].getLastRequest()
.before(leastRecentlyUsed.getLastRequest())) {
|| sessions[i].getLastRequest()
.before(leastRecentlyUsed.getLastRequest())) {
leastRecentlyUsed = sessions[i];
}
}
@ -91,87 +92,86 @@ public class ConcurrentSessionControllerImpl
}
public void checkAuthenticationAllowed(Authentication request)
throws AuthenticationException {
throws AuthenticationException {
Assert.notNull(request,
"Authentication request cannot be null (violation of interface contract)");
"Authentication request cannot be null (violation of interface contract)");
Object principal = SessionRegistryUtils
.obtainPrincipalFromAuthentication(request);
String sessionId = SessionRegistryUtils
.obtainSessionIdFromAuthentication(request);
String sessionId = SessionRegistryUtils
.obtainSessionIdFromAuthentication(request);
SessionInformation[] sessions = sessionRegistry.getAllSessions(principal);
SessionInformation[] sessions = sessionRegistry.getAllSessions(principal);
int sessionCount = 0;
int sessionCount = 0;
if (sessions != null) {
sessionCount = sessions.length;
}
if (sessions != null) {
sessionCount = sessions.length;
}
int allowableSessions = getMaximumSessionsForThisUser(request);
Assert.isTrue(allowableSessions != 0,
"getMaximumSessionsForThisUser() must return either -1 to allow unlimited logins, or a positive integer to specify a maximum");
int allowableSessions = getMaximumSessionsForThisUser(request);
Assert.isTrue(allowableSessions != 0,
"getMaximumSessionsForThisUser() must return either -1 to allow unlimited logins, or a positive integer to specify a maximum");
if (sessionCount < allowableSessions) {
if (sessionCount < allowableSessions) {
return;
} else if (sessionCount == allowableSessions) {
// Only permit it though if this request is associated with one of the sessions
for (int i = 0; i < sessionCount; i++) {
if (sessions[i].getSessionId().equals(sessionId)) {
return;
} else if (sessionCount == allowableSessions) {
// Only permit it though if this request is associated with one of the sessions
for (int i = 0; i < sessionCount; i++) {
if (sessions[i].getSessionId().equals(sessionId)) {
return;
}
}
}
allowableSessionsExceeded(sessionId, sessions,
allowableSessions, sessionRegistry);
}
}
/**
* Method intended for use by subclasses to override the maximum
* number of sessions that are permitted for a particular
* authentication. The default implementation simply returns the
* <code>maximumSessions</code> value for the bean.
*
* @param authentication to determine the maximum sessions for
*
* @return either -1 meaning unlimited, or a positive integer to
* limit (never zero)
*/
protected int getMaximumSessionsForThisUser(
Authentication authentication) {
return maximumSessions;
}
allowableSessionsExceeded(sessionId, sessions,
allowableSessions, sessionRegistry);
}
public void registerSuccessfulAuthentication(
Authentication authentication) {
Assert.notNull(authentication,
"Authentication cannot be null (violation of interface contract)");
/**
* Method intended for use by subclasses to override the maximum
* number of sessions that are permitted for a particular
* authentication. The default implementation simply returns the
* <code>maximumSessions</code> value for the bean.
*
* @param authentication to determine the maximum sessions for
* @return either -1 meaning unlimited, or a positive integer to
* limit (never zero)
*/
protected int getMaximumSessionsForThisUser(
Authentication authentication) {
return maximumSessions;
}
Object principal = SessionRegistryUtils
.obtainPrincipalFromAuthentication(authentication);
String sessionId = SessionRegistryUtils
.obtainSessionIdFromAuthentication(authentication);
public void registerSuccessfulAuthentication(
Authentication authentication) {
Assert.notNull(authentication,
"Authentication cannot be null (violation of interface contract)");
sessionRegistry.removeSessionInformation(sessionId);
sessionRegistry.registerNewSession(sessionId, principal);
}
Object principal = SessionRegistryUtils
.obtainPrincipalFromAuthentication(authentication);
String sessionId = SessionRegistryUtils
.obtainSessionIdFromAuthentication(authentication);
public void setExceptionIfMaximumExceeded(
boolean exceptionIfMaximumExceeded) {
this.exceptionIfMaximumExceeded = exceptionIfMaximumExceeded;
}
sessionRegistry.removeSessionInformation(sessionId);
sessionRegistry.registerNewSession(sessionId, principal);
}
public void setMaximumSessions(int maximumSessions) {
this.maximumSessions = maximumSessions;
}
public void setExceptionIfMaximumExceeded(
boolean exceptionIfMaximumExceeded) {
this.exceptionIfMaximumExceeded = exceptionIfMaximumExceeded;
}
public void setMessageSource(MessageSource messageSource) {
this.messages = new MessageSourceAccessor(messageSource);
}
public void setMaximumSessions(int maximumSessions) {
this.maximumSessions = maximumSessions;
}
public void setSessionRegistry(
SessionRegistry sessionRegistry) {
this.sessionRegistry = sessionRegistry;
}
}
public void setMessageSource(MessageSource messageSource) {
this.messages = new MessageSourceAccessor(messageSource);
}
public void setSessionRegistry(
SessionRegistry sessionRegistry) {
this.sessionRegistry = sessionRegistry;
}
}