Example usage for org.apache.shiro.subject SimplePrincipalCollection isEmpty

Introduction

In this page you can find the example usage for org.apache.shiro.subject SimplePrincipalCollection isEmpty.

Prototype

public boolean isEmpty() 

Source Link

Usage

From source file:org.sonatype.nexus.rutauth.internal.RutAuthRealm.java

License:Open Source License

@Override
protected AuthenticationInfo doGetAuthenticationInfo(final AuthenticationToken token)
        throws AuthenticationException {
    final String rutUserId = token.getPrincipal().toString();
    final SimplePrincipalCollection principals = new SimplePrincipalCollection();
    final List<String> configuredRealms = realmManager.getConfiguration().getRealmNames();
    for (UserManager userManager : userManagers) {
        if (configuredRealms.contains(userManager.getAuthenticationRealmName())) {
            try {
                final User user = userManager.getUser(rutUserId);
                principals.add(user.getUserId(), userManager.getAuthenticationRealmName());
            } catch (UserNotFoundException e) {
                // ignore and continue searching
            }//from  w w w. j  a v  a 2 s . c  o  m
        }
    }
    if (!principals.isEmpty()) {
        log.debug("Found principals for RUT user '{}': '{}' from realms '{}'", rutUserId, principals,
                principals.getRealmNames());
        // make RUT the primary one, but keep all the found ones too
        final SimplePrincipalCollection principalCollection = new SimplePrincipalCollection(
                token.getPrincipal(), getName());
        principalCollection.addAll(principals);
        return new SimpleAuthenticationInfo(principalCollection, null);
    }
    log.debug("No found principals for RUT user '{}'", rutUserId);
    return null;
}

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