diff options
Diffstat (limited to 'dictionaryvalidation/src/main/java/org/onap/validation/cli/core/Cli.java')
-rw-r--r-- | dictionaryvalidation/src/main/java/org/onap/validation/cli/core/Cli.java | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/dictionaryvalidation/src/main/java/org/onap/validation/cli/core/Cli.java b/dictionaryvalidation/src/main/java/org/onap/validation/cli/core/Cli.java new file mode 100644 index 0000000..bf2abad --- /dev/null +++ b/dictionaryvalidation/src/main/java/org/onap/validation/cli/core/Cli.java @@ -0,0 +1,85 @@ +/* + *Copyright 2020 Nokia + * + * 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 org.onap.validation.cli.core; + +import org.onap.validation.cli.command.validate.ResponseStorage; +import org.onap.validation.cli.core.CommandResponse.CommandStatus; +import org.onap.validation.yaml.util.Args; + +import java.nio.file.Path; + +public class Cli<T> { + + public static final int INTERNAL_ERROR_STATUS_CODE = 2; + public static final int FAILED_STATUS_CODE = 1; + public static final int PASS_STATUS_CODE = 0; + + public static final String APPLICATION_INTERNAL_ERROR_MSG = "\n# Application fails with internal error."; + public static final String APPLICATION_EXIT_SUCCESSFULLY_MSG = "\n# Application exits successfully."; + + private final Console console; + private final ResponseStorage responseStorage; + + public Cli(Console console, ResponseStorage responseStorage) { + this.console = console; + this.responseStorage = responseStorage; + } + + public int run(Args args, Command<T> command) { + try { + final CommandResponse<T> commandResponse = processCommand(args, command); + + logResultInfo(commandResponse.getResult()); + storeResult(args, command, commandResponse.getResult()); + + this.console.info(APPLICATION_EXIT_SUCCESSFULLY_MSG); + + return resolveCliStatusCodeFor(commandResponse); + } catch (Exception e) { + logException(e); + return INTERNAL_ERROR_STATUS_CODE; + } + } + + private int resolveCliStatusCodeFor(CommandResponse<T> commandResponse) { + return commandResponse.getCommandStatus() == CommandStatus.PASS ? PASS_STATUS_CODE : FAILED_STATUS_CODE; + } + + private void logException(Exception e) { + this.console.error("# Command error: "); + this.console.error(e); + this.console.error(APPLICATION_INTERNAL_ERROR_MSG); + } + + private void storeResult(Args args, Command<T> command, T result) throws CommandException, java.io.IOException { + final Path pathToFileWithResponse = command.getOutputFilePath(args); + this.responseStorage.store(pathToFileWithResponse, result); + this.console.info(String.format("%n# Result was stored in a file: '%s'", pathToFileWithResponse)); + } + + private void logResultInfo(T result) { + this.console.info("\n# Operation result:\n"); + this.console.info(result.toString()); + } + + private CommandResponse<T> processCommand(Args args, Command<T> command) throws CommandException { + this.console.info(String.format("# Executing a '%s' operation ...", command.getName())); + final CommandResponse<T> commandResponse = command.execute(args); + this.console.info("# ... Done."); + return commandResponse; + } +} |