com.github.ggalmazor.jfry.JettyAdapter Maven / Gradle / Ivy

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Java Fry is a web library inspired by Sinatra

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package com.github.ggalmazor.jfry;

import com.github.ggalmazor.jfry.*;
import javaslang.control.Option;
import javaslang.control.Try;
import org.apache.commons.io.IOUtils;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.server.handler.AbstractHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

public class JettyAdapter implements JFryServer {
  private final Server server;

  public JettyAdapter() {
    this.server = new Server();
  }

  @Override
  public JettyAdapter atPort(int port) {
    ServerConnector connector = new ServerConnector(server);
    connector.setPort(port);
    server.setConnectors(new Connector[]{connector});
    return this;
  }

  @Override
  public JettyAdapter onRequest(Handler handler) {
    server.setHandler(new AbstractHandler() {
      @Override
      public void handle(String path, org.eclipse.jetty.server.Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
        // Request creation
        HttpMethod method = HttpMethod.valueOf(baseRequest.getMethod().toUpperCase());

        Map headers = new HashMap<>();
        Enumeration headerNames = request.getHeaderNames();
        while (headerNames.hasMoreElements()) {
          String name = headerNames.nextElement();
          headers.put(name, request.getHeader(name));
        }

        Map query = decodeQueryString(request.getQueryString());

        Option