1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*-
* ============LICENSE_START==========================================
* OPENECOMP - DCAE
* ===================================================================
* Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
* ===================================================================
* 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.
* ============LICENSE_END============================================
*/
package org.openecomp.utils;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.util.ArrayList;
import java.util.Map;
import java.util.Properties;
import org.json.JSONObject;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.Yaml;
import groovy.lang.Writable;
import groovy.text.SimpleTemplateEngine;
import org.openecomp.ncomp.utils.PropertyUtil;
import org.openecomp.ncomp.webservice.utils.FileUtils;
public class YamlToJava {
// package org.openecomp.operation.logging.usecases;
//
// import org.openecomp.logger.EcompMessageEnum;
// import com.att.eelf.i18n.EELFResourceManager;
//
// public enum MyMessageEnum implements EcompMessageEnum {
// // Api Handler Messages
// FOOBAR;
//
// static {
// EELFResourceManager.loadMessageBundle("foobar");
// }
// }
static public void convert(String yamlFileName, String outputDir, String packageName) {
convert(yamlFileName, outputDir, outputDir, packageName);
}
@SuppressWarnings("unchecked")
static public void convert(String yamlFileName, String propertiesOutputDirectory, String enumOutputDirectory,
String packageName) {
try {
System.out.println("Enterting YAML Convert)");
if (!(new File(yamlFileName).exists())) {
System.err.println(yamlFileName + " does not exists");
return;
}
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
Yaml y = new Yaml(options);
Map<String, Object> m = (Map<String, Object>) y.load(FileUtils.filename2stream(yamlFileName, null));
File f = new File(yamlFileName);
String name = f.getName().replace(".yaml", "");
m.put("name", name);
m.put("packageName", packageName);
String resourcePath = packageName.replace('.', '/');
m.put("resourcePath", resourcePath);
String ofile1 = propertiesOutputDirectory + "/" + name + ".properties";
System.out.println("Properties file path => " + ofile1);
OutputStreamWriter w;
SimpleTemplateEngine engine = new SimpleTemplateEngine();
if (m.containsKey("messages")) {
w = FileUtils.filename2writer(ofile1);
w.append(engine.createTemplate(getTemplate("properties_template")).make(m).toString());
w.close();
String ofile2 = enumOutputDirectory + "/" + name + "MessageEnum.java";
System.out.println("Message Enum file path => " + ofile2);
w = FileUtils.filename2writer(ofile2);
w.append(engine.createTemplate(getTemplate("messageEnum.java_template")).make(m).toString());
w.close();
}
if (m.containsKey("operations")) {
String ofile3 = enumOutputDirectory + "/" + name + "OperationEnum.java";
w = FileUtils.filename2writer(ofile3);
System.out.println("Operation Enum file path => " + ofile3);
w.append(engine.createTemplate(getTemplate("operationEnum.java_template")).make(m).toString());
w.close();
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static String getTemplate(String res) throws IOException {
InputStream in = YamlToJava.class.getClassLoader().getResourceAsStream(res);
if (in == null) {
throw new RuntimeException("Unable to find resource: " + res);
}
ByteArrayOutputStream o = new ByteArrayOutputStream();
FileUtils.copyStream(in, o);
return o.toString();
}
public static void main(String[] args) throws IOException {
for (int i = 0; i < args.length; i++) {
System.out.println(" Argument " + Integer.toString(i) + " ==> " + args[i]);
}
switch (args.length) {
case 1:
String baseDir = findBaseDir(args[0]);
Map<String, Object> m = file2yaml(args[0]);
String javaDest = (String) (m.containsKey("java-root") ? m.get("java-root") : "src/main/java-gen");
String resourcesDest = (String) (m.containsKey("resources-root") ? m.get("resources-root")
: "src/main/resources-gen");
if (! javaDest.startsWith("/")) javaDest = baseDir + "/" + javaDest;
if (! resourcesDest.startsWith("/")) resourcesDest = baseDir + "/" + resourcesDest;
String packageName = (String) m.get("package-name");
if (packageName == null) {
System.err.println("No package-name attribute in: " + args[0]);
System.exit(2);
}
String packageDir = "/" + packageName.replace(".", "/");
convert(args[0], resourcesDest + packageDir, javaDest + packageDir, packageName);
break;
case 4:
convert(args[0], args[1], args[2], args[3]);
break;
case 5:
convert(args[1], args[2], args[3], args[4]);
break;
default:
System.err.println("Invalid arguments, expected --> yamlFileName");
System.exit(2);
}
}
private static String findBaseDir(String filename) {
File f = new File(filename);
f = f.getParentFile();
while (f != null) {
File pom = new File(f,"pom.xml");
if (pom.exists()) return f.getAbsolutePath();
f = f.getParentFile();
}
return ".";
}
@SuppressWarnings("unchecked")
private static Map<String, Object> file2yaml(String yamlFileName) {
if (!(new File(yamlFileName).exists())) {
System.err.println(yamlFileName + " does not exists");
System.exit(2);
}
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
Yaml y = new Yaml(options);
return (Map<String, Object>) y.load(FileUtils.filename2stream(yamlFileName, null));
}
}
|
