KaaAdminAuthListener.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kaaproject.kaa.server.admin.services.auth;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationListener;
import org.springframework.security.authentication.event.AbstractAuthenticationEvent;
import org.springframework.security.authentication.event.AbstractAuthenticationFailureEvent;

public class KaaAdminAuthListener implements
    ApplicationListener<AbstractAuthenticationEvent> {

  private static final Logger LOG = LoggerFactory.getLogger(KaaAdminAuthListener.class);

  @Override
  public void onApplicationEvent(AbstractAuthenticationEvent event) {
    final StringBuilder builder = new StringBuilder();
    builder.append("Authentication event ");
    builder.append(event.getClass().getSimpleName());
    builder.append(": ");
    builder.append(event.getAuthentication().getName());
    builder.append("; details: ");
    builder.append(event.getAuthentication().getDetails());

    if (event instanceof AbstractAuthenticationFailureEvent) {
      builder.append("; exception: ");
      builder.append(((AbstractAuthenticationFailureEvent) event)
          .getException().getMessage());
    }
    LOG.warn(builder.toString());
  }

}