DisconnectedLoginServlet.java

/**
 * Copyright 2016 StreamSets Inc.
 *
 * Licensed under the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 com.streamsets.lib.security.http;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class DisconnectedLoginServlet extends AbstractLoginServlet {
  public static final String DISCONNECTED_LOGIN_HTML = "/disconnected-login.html";

  private final DisconnectedSSOService service;

  public DisconnectedLoginServlet(DisconnectedSSOService service) {
    this.service = service;
  }

  @Override
  protected SSOService getSsoService() {
    return service;
  }

  @Override
  protected String getLoginPage() {
    return DISCONNECTED_LOGIN_HTML;
  }

  @Override
  protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    if (service.isEnabled()) {
      super.service(req, resp);
    } else {
      resp.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
    }
  }

}