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A web service test double for all occasions - standalone edition

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/*
 * Copyright (C) 2023 Thomas Akehurst
 *
 * 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.github.tomakehurst.wiremock.admin.tasks;

import static com.github.tomakehurst.wiremock.client.ResponseDefinitionBuilder.jsonResponse;
import static com.github.tomakehurst.wiremock.client.ResponseDefinitionBuilder.responseDefinition;
import static com.github.tomakehurst.wiremock.common.ContentTypes.ACCEPT;
import static com.github.tomakehurst.wiremock.common.ContentTypes.CONTENT_TYPE;
import static com.github.tomakehurst.wiremock.http.MimeType.PLAIN;
import static java.net.HttpURLConnection.HTTP_OK;

import com.github.tomakehurst.wiremock.admin.AdminTask;
import com.github.tomakehurst.wiremock.admin.model.VersionResult;
import com.github.tomakehurst.wiremock.common.url.PathParams;
import com.github.tomakehurst.wiremock.core.Admin;
import com.github.tomakehurst.wiremock.core.Version;
import com.github.tomakehurst.wiremock.http.ResponseDefinition;
import com.github.tomakehurst.wiremock.stubbing.ServeEvent;

public class GetVersionTask implements AdminTask {

  @Override
  public ResponseDefinition execute(Admin admin, ServeEvent serveEvent, PathParams pathParams) {

    var acceptHeader = serveEvent.getRequest().getHeader(ACCEPT);
    if (acceptHeader != null && acceptHeader.contains(PLAIN.toString())) {
      return responseDefinition()
          .withStatus(HTTP_OK)
          .withBody(Version.getCurrentVersion())
          .withHeader(CONTENT_TYPE, PLAIN.toString())
          .build();
    }

    var versionResult = new VersionResult(Version.getCurrentVersion());
    return jsonResponse(versionResult);
  }
}