DynRes/src/main/java/io/gitlab/jfronny/dynres/web/RequestHandler.java

package io.gitlab.jfronny.dynres.web;

import io.gitlab.jfronny.dynres.DynRes;
import io.gitlab.jfronny.dynres.web.bluemapcore.HttpRequest;
import io.gitlab.jfronny.dynres.web.bluemapcore.HttpRequestHandler;
import io.gitlab.jfronny.dynres.web.bluemapcore.HttpResponse;
import io.gitlab.jfronny.dynres.web.bluemapcore.HttpStatusCode;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Objects;

public class RequestHandler implements HttpRequestHandler {
    String r;
    @Override
    public HttpResponse handle(HttpRequest request) {
        String method = request.getMethod().toUpperCase();
        if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
            HttpResponse resp = new HttpResponse(HttpStatusCode.BAD_REQUEST);
            resp.setData(method + " method not supported");
            return resp;
        }

        String path = DynRes.simplifyElement(request.getPath());

        if (Objects.equals(path, r)) {
            HttpResponse resp = new HttpResponse(HttpStatusCode.OK);
            resp.addHeader("Server", "DynRes using BlueMap");
            resp.addHeader("Cache-Control", "no-cache");
            resp.addHeader("Content-Type", "application/zip");

            try {
                FileInputStream fs = new FileInputStream(DynRes.resFile);
                resp.setData(fs);
                return resp;
            } catch (FileNotFoundException e) {
                return new HttpResponse(HttpStatusCode.INTERNAL_SERVER_ERROR);
            }
        }

        return new HttpResponse(HttpStatusCode.NOT_FOUND);
    }

    public RequestHandler(String relativePath) {
        r = relativePath;
    }
}