2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.apex.tools.model.generator.model2cli;
23 import org.apache.commons.cli.CommandLine;
24 import org.apache.commons.cli.HelpFormatter;
25 import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
26 import org.onap.policy.apex.tools.common.CliOptions;
27 import org.onap.policy.apex.tools.common.CliParser;
28 import org.onap.policy.apex.tools.common.OutputFile;
31 * Process an Apex Policy Model file to generate the CLI commands to generate an equivalent Apex Policy Model.
33 * @author Sven van der Meer <sven.van.der.meer@ericsson.com>
35 public final class Application {
37 /** The name of the application. */
38 public static final String APP_NAME = "gen-model2cli";
40 /** The description 1-liner of the application. */
41 public static final String APP_DESCRIPTION = "generates CLI Editor Commands from a policy model";
44 * Private constructor to prevent instantiation.
46 private Application() {}
49 * Main method to start the application.
51 * @param args the command line arguments
53 public static void main(final String[] args) {
54 final CliParser cli = new CliParser();
55 cli.addOption(CliOptions.HELP);
56 cli.addOption(CliOptions.VERSION);
57 cli.addOption(CliOptions.SKIPVALIDATION);
58 cli.addOption(CliOptions.MODELFILE);
59 cli.addOption(CliOptions.FILEOUT);
60 cli.addOption(CliOptions.OVERWRITE);
62 final CommandLine cmd = cli.parseCli(args);
64 // help is an exit option, print usage and exit
65 if (cmd.hasOption(CliOptions.HELP.getOpt())) {
66 final HelpFormatter formatter = new HelpFormatter();
67 System.out.println(APP_NAME + " v" + cli.getAppVersion() + " - " + APP_DESCRIPTION);
68 formatter.printHelp(APP_NAME, cli.getOptions());
73 // version is an exit option, print version and exit
74 if (cmd.hasOption(CliOptions.VERSION.getOpt())) {
75 System.out.println(APP_NAME + " " + cli.getAppVersion());
80 String modelFile = cmd.getOptionValue(CliOptions.MODELFILE.getOpt());
81 if (modelFile != null) {
82 modelFile = cmd.getOptionValue("model");
84 if (modelFile == null) {
85 System.err.println(APP_NAME + ": no '-" + CliOptions.MODELFILE.getOpt()
86 + "' model file given, cannot proceed (try -h for help)");
90 OutputFile outfile = null;
91 final String of = cmd.getOptionValue(CliOptions.FILEOUT.getOpt());
92 final boolean overwrite = cmd.hasOption(CliOptions.OVERWRITE.getOpt());
93 if (overwrite && of == null) {
94 System.err.println(APP_NAME + ": error with '-" + CliOptions.OVERWRITE.getOpt()
95 + "' option. This option is only valid if a '-" + CliOptions.FILEOUT.getOpt()
96 + "' option is also used. Cannot proceed (try -h for help)");
100 outfile = new OutputFile(of, overwrite);
101 final String isoutfileok = outfile.validate();
102 if (isoutfileok != null) {
103 System.err.println(APP_NAME + ": error with '-" + CliOptions.FILEOUT.getOpt() + "' option: \""
104 + isoutfileok + "\". Cannot proceed (try -h for help)");
109 if (outfile == null) {
110 System.out.println();
111 System.out.println(APP_NAME + ": starting CLI generator");
112 System.out.println(" --> model file: " + modelFile);
113 System.out.println();
114 System.out.println();
118 final Model2Cli app = new Model2Cli(modelFile, outfile, !cmd.hasOption("sv"), APP_NAME);
120 } catch (final ApexException aex) {
121 System.err.println(APP_NAME + ": caught APEX exception with message: " + aex.getMessage());