objectos.way.HttpTestingExchangeConfig Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of objectos.way Show documentation
Objectos Way allows you to build web applications using only Java.
The newest version!
/*
 * Copyright (C) 2023-2024 Objectos Software LTDA.
 *
 * 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 objectos.way;

import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.time.Clock;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.Function;

final class HttpTestingExchangeConfig implements Http.TestingExchange.Config {

  Clock clock;

  Map objectStore;

  Http.Method method;

  String path;

  Map queryParams;

  Map headers;

  Map formParams;

  byte[] body;

  public final Http.TestingExchange build() {
    if (formParams == null) {
      body = Util.EMPTY_BYTE_ARRAY;
    } else {

      if (headers == null) {
        headers = Util.createSequencedMap();
      }

      if (!headers.containsKey(Http.HeaderName.CONTENT_TYPE)) {
        headers.put(Http.HeaderName.CONTENT_TYPE, "application/x-www-form-urlencoded");
      }

      String body;
      body = Http.queryParamsToString(formParams, this::encode);

      this.body = body.getBytes(StandardCharsets.UTF_8);

    }

    return new HttpTestingExchange(this);
  }

  private String encode(String s) {
    return URLEncoder.encode(s, StandardCharsets.UTF_8);
  }

  @Override
  public final void clock(Clock value) {
    clock = Objects.requireNonNull(value, "value == null");
  }

  @Override
  public final void method(Http.Method value) {
    method = Objects.requireNonNull(value, "value == null");
  }

  @SuppressWarnings("unchecked")
  @Override
  public final void header(Http.HeaderName name, String value) {
    Objects.requireNonNull(name, "name == null");
    Objects.requireNonNull(value, "value == null");

    if (headers == null) {
      headers = Util.createSequencedMap();
    }

    Object previous;
    previous = headers.put(name, value);

    switch (previous) {
      case null -> {}

      case String s -> {
        List list = Util.createList();

        list.add(s);

        list.add(value);

        headers.put(name, list);
      }

      case List l -> {
        List list = (List) l;

        list.add(value);

        headers.put(name, list);
      }

      default -> throw new AssertionError(
          "Type should not have been put into the map: " + previous.getClass()
      );
    }
  }

  @Override
  public final void path(String value) {
    int length;
    length = value.length();

    if (length == 0) {
      throw new IllegalArgumentException("path must not be empty");
    }

    char first;
    first = value.charAt(0);

    if (first != '/') {
      throw new IllegalArgumentException("path must start with a '/' character");
    }

    path = value;
  }

  @Override
  public final void pathParam(String name, String value) {
    Objects.requireNonNull(name, "name == null");
    Objects.requireNonNull(value, "value == null");

    if (objectStore == null) {
      objectStore = Util.createMap();
    }

    objectStore.put(name, value);
  }

  @Override
  public final void queryParam(String name, String value) {
    Objects.requireNonNull(name, "name == null");
    Objects.requireNonNull(value, "value == null");

    if (queryParams == null) {
      queryParams = Util.createSequencedMap();
    }

    Http.queryParamsAdd(queryParams, Function.identity(), name, value);
  }

  @Override
  public final void formParam(String name, String value) {
    Objects.requireNonNull(name, "name == null");
    Objects.requireNonNull(value, "value == null");

    if (formParams == null) {
      formParams = Util.createSequencedMap();
    }

    Http.queryParamsAdd(formParams, Function.identity(), name, value);
  }

  @Override
  public final  void set(Class key, T value) {
    Objects.requireNonNull(key, "key == null");
    Objects.requireNonNull(value, "value == null");

    if (objectStore == null) {
      objectStore = Util.createMap();
    }

    objectStore.put(key, value);
  }

}