com.gu.management.spring.ManagementUrlDiscoveryController.java Source code

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Here is the source code for com.gu.management.spring.ManagementUrlDiscoveryController.java
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/*
 * Copyright 2010 Guardian News and Media
 *
 *    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.gu.management.spring;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;

public class ManagementUrlDiscoveryController extends AbstractController {

    ManagementUrlDiscoveryService service;

    public ManagementUrlDiscoveryController(ManagementUrlDiscoveryService service) {
        this.service = service;
    }

    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
            throws IOException {

        response.setContentType("text/html;charset=UTF-8");

        PrintWriter writer = response.getWriter();

        writer.write("<html><head><title>Management URLs</title></head><body><h2>Management URLs</h2><ul>\n");
        Collection<String> managementUrls = service.getManagementUrls();
        for (String url : managementUrls) {
            if (!"/management".equals(url)) {
                writer.printf("<li><a href=\"management%s\">%s</a></li>\n", url, url);
            }
        }

        writer.write("</ul></body></html>");

        return null;
    }
}