2 * Copyright 2017 Huawei Technologies Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.onap.cli.main.utils;
20 import java.io.IOException;
22 import java.util.ArrayList;
23 import java.util.HashMap;
24 import java.util.List;
28 import org.apache.commons.codec.binary.Base64;
29 import org.apache.commons.io.FileUtils;
30 import org.onap.cli.fw.error.OnapCommandException;
31 import org.onap.cli.fw.error.OnapCommandInvalidParameterValue;
32 import org.onap.cli.fw.input.OnapCommandParameter;
33 import org.onap.cli.fw.input.OnapCommandParameterType;
34 import org.onap.cli.main.error.OnapCliArgumentValueMissing;
35 import org.onap.cli.main.error.OnapCliInvalidArgument;
36 import com.esotericsoftware.yamlbeans.YamlReader;
38 import com.google.gson.Gson;
39 import com.google.gson.GsonBuilder;
40 import com.google.gson.JsonElement;
41 import com.google.gson.reflect.TypeToken;
43 import java.io.Reader;
44 import java.io.InputStreamReader;
45 import java.io.FileReader;
48 * Oclip CLI utilities.
51 public class OnapCliArgsParser {
52 private static Gson gson = new GsonBuilder().serializeNulls().create();
55 * private Constructor.
57 private OnapCliArgsParser() {
62 * It read thru the args and populate the given params for short optional, long option and postional args the idx of
63 * positional args, is calculated based on the position at which it present in the params and args.
66 * List of command paramters
69 * @throws OnapCliArgumentValueMissing
70 * ArgumentValueMissing exception
71 * @throws OnapCliInvalidArgument
72 * Invalid argument exception
73 * @throws OnapCommandInvalidParameterValue
76 public static void populateParams(Set<OnapCommandParameter> params, List<String> args)
77 throws OnapCommandException {
78 Map<String, String> shortOptionMap = new HashMap<>();
79 Map<String, String> longOptionMap = new HashMap<>();
80 List<String> positionArgs = new ArrayList<>();
81 Map<String, OnapCommandParameter> paramMap = new HashMap<>();
83 for (OnapCommandParameter param : params) {
84 boolean positional = true;
85 if (param.getShortOption() != null) {
86 shortOptionMap.put(OnapCommandParameter.printShortOption(param.getShortOption()), param.getName());
89 if (param.getLongOption() != null) {
90 longOptionMap.put(OnapCommandParameter.printLongOption(param.getLongOption()), param.getName());
95 positionArgs.add(param.getName());
98 paramMap.put(param.getName(), param);
101 int positionalIdx = 0;
103 while ( i < args.size()) {
104 String paramName = null;
105 if (shortOptionMap.containsKey(args.get(i))) {
106 paramName = shortOptionMap.get(args.get(i));
107 } else if (longOptionMap.containsKey(args.get(i))) {
108 paramName = longOptionMap.get(args.get(i));
111 if (paramName != null) {
112 // end of the list or if its option rather than a value
113 if ((i + 1) == args.size() || args.get(i + 1).startsWith("-")) {
114 if (paramMap.get(paramName).getParameterType().equals(OnapCommandParameterType.BOOL)) {
115 paramMap.get(paramName).setValue(true);
119 throw new OnapCliArgumentValueMissing(args.get(i));
122 if (paramMap.get(paramName).getParameterType().equals(OnapCommandParameterType.JSON)) {
123 paramMap.get(paramName).setValue(readJsonStringFromUrl(args.get(i + 1),
124 paramMap.get(paramName).getName()));
128 } else if (paramMap.get(paramName).getParameterType().equals(OnapCommandParameterType.TEXT)) {
129 paramMap.get(paramName).setValue(readTextStringFromUrl(args.get(i + 1),
130 paramMap.get(paramName).getName()));
134 } else if (paramMap.get(paramName).getParameterType().equals(OnapCommandParameterType.YAML)) {
135 String value = readYamlStringFromUrl(args.get(i + 1),
136 paramMap.get(paramName).getName());
137 paramMap.get(paramName).setValue(value);
141 } else if (paramMap.get(paramName).getParameterType().equals(OnapCommandParameterType.BYTE)) {
142 paramMap.get(paramName).setValue(readBytesFromUrl(args.get(i + 1),
143 paramMap.get(paramName).getName()));
147 } else if (paramMap.get(paramName).getParameterType()
148 .equals(OnapCommandParameterType.ARRAY)) {
149 Object value = paramMap.get(paramName).getValue();
150 List<String> list = (List<String>) value;
152 list.add(readTextStringFromUrl(args.get(i + 1), paramMap.get(paramName).getName()));
153 paramMap.get(paramName).setValue(list);
157 } else if (paramMap.get(paramName).getParameterType()
158 .equals(OnapCommandParameterType.MAP)) {
159 Object value = paramMap.get(paramName).getValue();
161 Map<String, String> map = (Map<String, String>) value;
163 String arg = args.get(i + 1);
164 String[] argArr = arg.split("=", 2);
166 if (argArr.length != 2) {
167 throw new OnapCliInvalidArgument(
168 paramMap.get(paramName).getName(),
169 "it should be in the form of <key>=<value>");
172 //Make sure to read values from file, in case file path is given.
173 //map.put(argArr[0], readTextStringFromUrl(argArr[1], paramMap.get(paramName).getName()));
174 map.put(argArr[0], argArr[1]);
175 paramMap.get(paramName).setValue(map);
180 paramMap.get(paramName).setValue(args.get(i + 1));
186 // it is positional option
187 // Positional arg is missing from the params
188 if (positionalIdx >= positionArgs.size()) {
189 throw new OnapCliInvalidArgument(
191 "No positional argument is defined for this one");
194 paramMap.get(positionArgs.get(positionalIdx)).setValue(args.get(i));
200 params.addAll(paramMap.values());
203 public static String readJsonStringFromUrl(String input, String argName) throws OnapCliInvalidArgument {
206 File file = new File(input);
208 try(Reader reader = new FileReader(file)){
209 jsonValue = gson.fromJson(reader, JsonElement.class).toString();
212 } else if (input.startsWith("file:") || input.startsWith("http:") || input.startsWith("ftp:")) {
213 URL jsonUrl = new URL(input);
214 try(Reader reader = new InputStreamReader(jsonUrl.openStream())){
215 jsonValue = gson.fromJson(reader, JsonElement.class).toString();
219 return gson.fromJson(input, JsonElement.class).toString();
221 } catch (Exception e) { // NOSONAR
222 throw new OnapCliInvalidArgument(argName, e);
226 public static String readTextStringFromUrl(String input, String argName) throws OnapCliInvalidArgument {
228 File file = new File(input);
230 return FileUtils.readFileToString(file);
235 } catch (IOException e) {
236 throw new OnapCliInvalidArgument(argName, e);
240 public static String readYamlStringFromUrl(String input, String argName) throws OnapCliInvalidArgument {
242 File file = new File(input);
244 String value = FileUtils.readFileToString(file);
245 YamlReader reader = new YamlReader(value);
246 value = (String) reader.read();
252 } catch (IOException e) {
253 throw new OnapCliInvalidArgument(argName, e);
257 public static String readBytesFromUrl(String input, String argName) throws OnapCliInvalidArgument {
259 File file = new File(input);
261 byte[] encodeBase64 = Base64.encodeBase64(FileUtils.readFileToByteArray(file));
262 return new String(encodeBase64);
264 byte[] encodeBase64 = Base64.encodeBase64(input.getBytes());
265 return new String(encodeBase64);
267 } catch (IOException e) {
268 throw new OnapCliInvalidArgument(argName, e);
272 public static List<String> convertJsonToListString(String arg, String json) throws OnapCliInvalidArgument {
273 TypeToken<List<String>> mapType = new TypeToken<List<String>>() {
276 return gson.fromJson(json, mapType.getType());
277 } catch (Exception e) { // NOSONAR
278 throw new OnapCliInvalidArgument(arg, e);
282 public static Map<String, String> convertJsonToMapString(String arg, String json) throws OnapCliInvalidArgument {
283 TypeToken<Map<String, String>> mapType = new TypeToken<Map<String, String>>() {
286 return gson.fromJson(json, mapType.getType());
287 } catch (Exception e) { // NOSONAR
288 throw new OnapCliInvalidArgument(arg, e);