Example usage for org.springframework.security.core AuthenticationException getStackTrace

Introduction

In this page you can find the example usage for org.springframework.security.core AuthenticationException getStackTrace.

Prototype

public StackTraceElement[] getStackTrace() 

Source Link

Document

Provides programmatic access to the stack trace information printed by #printStackTrace() .

Usage

From source file:org.cloudfoundry.identity.uaa.authentication.manager.ChainedAuthenticationManager.java

@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
    if (authentication == null) {
        return authentication;
    }//from  w ww.  j  a v  a  2  s  .  c o  m
    UsernamePasswordAuthenticationToken output = null;
    if (authentication instanceof UsernamePasswordAuthenticationToken) {
        output = (UsernamePasswordAuthenticationToken) authentication;
    } else {
        output = new UsernamePasswordAuthenticationToken(authentication.getPrincipal(),
                authentication.getCredentials(), authentication.getAuthorities());
        output.setDetails(authentication.getDetails());
    }
    boolean authenticated = false;
    Authentication auth = null;
    AuthenticationException lastException = null;
    boolean lastResult = false;
    boolean shallContinue = true;
    if (delegates == null || delegates.length == 0) {
        throw new ProviderNotFoundException("No available authentication providers.");
    }
    for (int i = 0; shallContinue && i < delegates.length; i++) {

        boolean shallAuthenticate = (i == 0)
                || (lastResult && IF_PREVIOUS_TRUE.equals(delegates[i].getRequired()))
                || ((!lastResult) && IF_PREVIOUS_FALSE.equals(delegates[i].getRequired()));

        if (shallAuthenticate) {
            if (logger.isDebugEnabled()) {
                logger.debug("Attempting chained authentication of " + output + " with manager:"
                        + delegates[i].getAuthenticationManager() + " required:" + delegates[i].getRequired());
            }
            Authentication thisAuth = null;
            try {
                thisAuth = delegates[i].getAuthenticationManager().authenticate(auth != null ? auth : output);
            } catch (AuthenticationException x) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Chained authentication exception:" + x.getMessage() + " at:"
                            + (x.getStackTrace().length > 0 ? x.getStackTrace()[0] : "(no stack trace)"));
                }
                lastException = x;
                if (delegates[i].getStopIf() != null) {
                    for (Class<? extends AuthenticationException> exceptionClass : delegates[i].getStopIf()) {
                        if (exceptionClass.isAssignableFrom(x.getClass())) {
                            shallContinue = false;
                            break;
                        }
                    }
                }
            }
            lastResult = thisAuth != null && thisAuth.isAuthenticated();

            if (lastResult) {
                authenticated = true;
                auth = thisAuth;
            } else {
                authenticated = false;
                auth = null;
            }

        } else {
            shallContinue = false;
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Chained Authentication status of " + output + " with manager:" + delegates[i]
                    + "; Authenticated:" + authenticated);
        }
    }
    if (authenticated) {
        return auth;
    } else if (lastException != null) {
        //we had at least one authentication exception, throw it
        throw lastException;
    } else {
        //not authenticated, but return the last of the result
        return auth;
    }
}

---