/*
 * Copyright 2014 ZXing authors
 *
 * 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 com.google.zxing.web;

import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.annotation.WebFilter;

/**
 * Handles redirects to the app landing page.
 */
@WebFilter({"/", "/index.jspx", "/w/", "/w/index.jspx"})
public final class WelcomeFilter extends AbstractFilter {

  @Override
  public void doFilter(ServletRequest servletRequest,
                       ServletResponse servletResponse,
                       FilterChain filterChain) {
    redirect(servletResponse, "https://" + servletRequest.getServerName() + "/w/decode.jspx");
  }

}
