/*******************************************************************************
 * Copyright (c) 2016 IBM Corp.
 *
 * 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.ibm.liberty.starter.filter;

import java.io.IOException;

import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet(urlPatterns={"/*"})
public class FilterServlet extends HttpServlet {
    
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        resp.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
        resp.setHeader("Location", "/start/");
    }


}

/*******************************************************************************
 * Copyright (c) 2016 IBM Corp.
 *
 * 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.ibm.liberty.starter.filter;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet(urlPatterns={"/"})
public class FilterServlet extends HttpServlet {
    
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
        System.out.println("FilterServlet caught request " + req.getRequestURI());
        if ("/".equals(req.getRequestURI())) {
            System.out.println("Forwarding request");
            resp.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
            resp.setHeader("Location", "/start/");
        } else {
            resp.setStatus(HttpServletResponse.SC_NOT_FOUND);
            PrintWriter writer = resp.getWriter();
            StringBuffer urlBuffer = req.getRequestURL();
            String appLocation = urlBuffer.toString();
            String appUrl = appLocation.substring(0, appLocation.indexOf(req.getRequestURI())) + "/start/";
            writer.println("<html><body>Resource not found, the Liberty app accelerator can be found <a href=\"" + appUrl  + "\">here</a>.</body></head></html>");
        }
    }


}

Update filter to only redirect if accessed at root, otherwise produce 404 with link to actual page.
Update filter to only redirect if accessed at root, otherwise produce 404 with link to actual page.

Signed-off-by: Kate Stanley <59c12a62b1d23be702ac06d493bad7887a15d0c5@uk.ibm.com>
