| /* |
| * 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 com.epam.datalab.backendapi.core.response.handlers; |
| |
| import com.epam.datalab.backendapi.core.commands.DockerAction; |
| import com.epam.datalab.dto.UserInstanceStatus; |
| import com.epam.datalab.dto.exploratory.LibListStatusDTO; |
| import com.epam.datalab.exceptions.DatalabException; |
| import com.epam.datalab.rest.client.RESTService; |
| import com.epam.datalab.rest.contracts.ApiCallbacks; |
| import com.fasterxml.jackson.annotation.JacksonInject; |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.fasterxml.jackson.databind.JsonNode; |
| |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| /** |
| * Handler of docker response for the request the list of libraries. |
| */ |
| public class LibListCallbackHandler extends ResourceCallbackHandler<LibListStatusDTO> { |
| |
| /** |
| * Name of node in response "file". |
| */ |
| private static final String FILE = "file"; |
| |
| /** |
| * The name of docker image. |
| */ |
| @JsonProperty |
| private final String group; |
| |
| /** |
| * Instantiate handler for process of docker response for list of libraries. |
| * |
| * @param selfService REST pointer for Self Service. |
| * @param action docker action. |
| * @param uuid request UID. |
| * @param user the name of user. |
| * @param group the name of a group. |
| */ |
| @JsonCreator |
| public LibListCallbackHandler( |
| @JacksonInject RESTService selfService, @JsonProperty("action") DockerAction action, |
| @JsonProperty("uuid") String uuid, @JsonProperty("user") String user, |
| @JsonProperty("group") String group) { |
| super(selfService, user, uuid, action); |
| this.group = group; |
| } |
| |
| @Override |
| protected String getCallbackURI() { |
| return ApiCallbacks.UPDATE_LIBS_URI; |
| } |
| |
| @Override |
| protected LibListStatusDTO parseOutResponse(JsonNode resultNode, LibListStatusDTO status) { |
| if (UserInstanceStatus.FAILED == UserInstanceStatus.of(status.getStatus())) { |
| return status; |
| } |
| if (resultNode == null) { |
| throw new DatalabException("Can't handle response result node is null"); |
| } |
| |
| JsonNode resultFileNode = resultNode.get(FILE); |
| if (resultFileNode == null) { |
| throw new DatalabException("Can't handle response without property " + FILE); |
| } |
| |
| Path path = Paths.get(resultFileNode.asText()).toAbsolutePath(); |
| if (path.toFile().exists()) { |
| try { |
| status.withLibs(new String(Files.readAllBytes(path))); |
| Files.delete(path); |
| return status; |
| } catch (IOException e) { |
| throw new DatalabException("Can't read file " + path + " : " + e.getLocalizedMessage(), e); |
| } |
| } else { |
| throw new DatalabException("Can't handle response. The file " + path + " does not exist"); |
| } |
| } |
| |
| @Override |
| protected LibListStatusDTO getBaseStatusDTO(UserInstanceStatus status) { |
| return super.getBaseStatusDTO(status) |
| .withGroup(group); |
| } |
| } |