org.openqa.selenium.grid.distributor.StatusHandler Maven / Gradle / Ivy

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// to you 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
//
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package org.openqa.selenium.grid.distributor;

import static org.openqa.selenium.remote.http.Contents.utf8String;

import com.google.common.collect.ImmutableMap;

import org.openqa.selenium.grid.data.DistributorStatus;
import org.openqa.selenium.grid.web.CommandHandler;
import org.openqa.selenium.json.Json;
import org.openqa.selenium.remote.http.HttpRequest;
import org.openqa.selenium.remote.http.HttpResponse;

import java.util.Objects;

class StatusHandler implements CommandHandler {

  private final Distributor distributor;
  private final Json json;

  public StatusHandler(Distributor distributor, Json json) {
    this.distributor = Objects.requireNonNull(distributor);
    this.json = Objects.requireNonNull(json);
  }

  @Override
  public void execute(HttpRequest req, HttpResponse resp) {
    DistributorStatus status = distributor.getStatus();

    ImmutableMap report = ImmutableMap.of(
        "value", ImmutableMap.of(
            "ready", status.hasCapacity(),
            "message", status.hasCapacity() ? "Ready" : "No free slots available",
            "grid", status));

    resp.setContent(utf8String(json.toJson(report)));
  }
}