content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * 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
   *
   * 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 org.apache.ambari.server.api.services;
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  
  import jakarta.ws.rs.Consumes;
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.Context;
  import jakarta.ws.rs.core.HttpHeaders;
  import jakarta.ws.rs.core.MediaType;
  import jakarta.ws.rs.core.Response;
  import jakarta.ws.rs.core.UriInfo;
  
  import org.apache.ambari.annotations.ApiIgnore;
  import org.apache.ambari.server.api.resources.ResourceInstance;
  import org.apache.ambari.server.controller.internal.VersionDefinitionResourceProvider;
  import org.apache.ambari.server.controller.spi.Resource;
  import org.apache.commons.codec.binary.Base64;
  
  import com.google.gson.JsonObject;
  
  @Path("/version_definitions/")
  public class VersionDefinitionService extends BaseService {
  
    @GET @ApiIgnore // until documented
    @Produces(MediaType.TEXT_PLAIN)
    public Response getServices(@Context HttpHeaders headers, @Context UriInfo ui) {
  
      return handleRequest(headers, null, ui, Request.Type.GET,
        createResource(null));
    }
  
    @GET @ApiIgnore // until documented
    @Path("{versionId}")
    @Produces(MediaType.TEXT_PLAIN)
    public Response getService(@Context HttpHeaders headers, @Context UriInfo ui,
        @PathParam("versionId") String versionId) {
  
      return handleRequest(headers, null, ui, Request.Type.GET,
        createResource(versionId));
    }
  
    /**
     * Handles ANY /{versionNumber}/operating_systems requests.
     *
     * @param versionNumber the repository version id, whether it be from the DB or available.
     * @return operating systems service
     */
    @Path("{versionNumber}/operating_systems")
    public OperatingSystemService getOperatingSystemsHandler(@PathParam("versionNumber") String versionNumber) {
      final Map<Resource.Type, String> mapIds = new HashMap<>();
      mapIds.put(Resource.Type.VersionDefinition, versionNumber);
      return new OperatingSystemService(mapIds);
    }
  
    @POST @ApiIgnore // until documented
    @Produces(MediaType.TEXT_PLAIN)
    public Response createVersion(String body, @Context HttpHeaders headers, @Context UriInfo ui) {
      return handleRequest(headers, body, ui, Request.Type.POST,
          createResource(null));
    }
  
    /**
     * Creates a version by directly POSTing the XML body.  Unfortunately the request processor
     * uses JSON, so an appropriate JSON structure must be made to get to the ResourceProvider.
     * @param body     the XML
     * @param headers  the headers
     * @param ui       the URI info
     */
    @POST @ApiIgnore // until documented
    @Consumes({MediaType.TEXT_XML})
    @Produces(MediaType.TEXT_PLAIN)
    public Response createVersionByXml(String body, @Context HttpHeaders headers,
        @Context UriInfo ui) throws Exception {
  
      String encoded = Base64.encodeBase64String(body.getBytes("UTF-8"));
  
      JsonObject obj = new JsonObject();
      obj.addProperty(VersionDefinitionResourceProvider.VERSION_DEF_BASE64_PROPERTY, encoded);
  
      JsonObject payload = new JsonObject();
      payload.add(VersionDefinitionResourceProvider.VERSION_DEF, obj);
  
      return handleRequest(headers, payload.toString(), ui, Request.Type.POST,
          createResource(null));
    }
  
    protected ResourceInstance createResource(String versionId) {
      return createResource(Resource.Type.VersionDefinition,
          Collections.singletonMap(Resource.Type.VersionDefinition, versionId));
    }
  
  }
  