IndexedUserAuthenticationProcessorFilter.java

/**
 * Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
 *
 * 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.onebusaway.users.impl.authentication;

import javax.servlet.http.HttpServletRequest;

import org.springframework.security.ui.webapp.AuthenticationProcessingFilter;

public class IndexedUserAuthenticationProcessorFilter extends
    AuthenticationProcessingFilter {

  private String _indexTypeParameter = "j_indexType";

  public void setIndexTypeParameter(String indexTypeParameter) {
    _indexTypeParameter = indexTypeParameter;
  }

  public String getIndexTypeParameter() {
    return _indexTypeParameter;
  }

  @Override
  protected String obtainUsername(HttpServletRequest request) {
    String username = super.obtainUsername(request);
    if (username != null) {
      username = username.trim();
      if (username.length() > 0) {
        username = obtainUserIndexType(request) + "_" + username;
      }
    }
    return username;
  }

  protected String obtainUserIndexType(HttpServletRequest request) {
    return request.getParameter(_indexTypeParameter);
  }
}