001
014
015 package com.liferay.portal.tools;
016
017 import com.liferay.portal.kernel.util.ArrayUtil;
018 import com.liferay.portal.kernel.util.StringBundler;
019 import com.liferay.portal.kernel.util.StringPool;
020 import com.liferay.portal.kernel.util.StringUtil;
021 import com.liferay.portal.kernel.xml.Document;
022 import com.liferay.portal.kernel.xml.Element;
023 import com.liferay.portal.kernel.xml.UnsecureSAXReaderUtil;
024
025 import com.thoughtworks.qdox.JavaDocBuilder;
026 import com.thoughtworks.qdox.model.DocletTag;
027 import com.thoughtworks.qdox.model.JavaClass;
028 import com.thoughtworks.qdox.model.JavaMethod;
029 import com.thoughtworks.qdox.model.JavaParameter;
030 import com.thoughtworks.qdox.model.Type;
031 import com.thoughtworks.qdox.model.TypeVariable;
032
033 import java.io.File;
034 import java.io.IOException;
035
036 import java.util.LinkedHashSet;
037 import java.util.List;
038 import java.util.Set;
039
040
043 public class InstanceWrapperBuilder {
044
045 public static void main(String[] args) {
046 ToolDependencies.wireBasic();
047
048 if (args.length == 1) {
049 new InstanceWrapperBuilder(args[0]);
050 }
051 else {
052 throw new IllegalArgumentException();
053 }
054 }
055
056 public InstanceWrapperBuilder(String xml) {
057 try {
058 File file = new File(xml);
059
060 Document document = UnsecureSAXReaderUtil.read(file);
061
062 Element rootElement = document.getRootElement();
063
064 List<Element> instanceWrapperElements = rootElement.elements(
065 "instance-wrapper");
066
067 for (Element instanceWrapperElement : instanceWrapperElements) {
068 String parentDir = instanceWrapperElement.attributeValue(
069 "parent-dir");
070 String srcFile = instanceWrapperElement.attributeValue(
071 "src-file");
072
073 _createIW(parentDir, srcFile);
074 }
075 }
076 catch (Exception e) {
077 e.printStackTrace();
078 }
079 }
080
081 private void _createIW(String parentDir, String srcFile)
082 throws IOException {
083
084 JavaClass javaClass = _getJavaClass(parentDir, srcFile);
085
086 JavaMethod[] javaMethods = javaClass.getMethods();
087
088 StringBundler sb = new StringBundler();
089
090
091
092 sb.append("package ");
093 sb.append(javaClass.getPackage().getName());
094 sb.append(";");
095
096
097
098 sb.append("public class ");
099 sb.append(javaClass.getName());
100 sb.append("_IW {");
101
102
103
104 sb.append("public static ");
105 sb.append(javaClass.getName());
106 sb.append("_IW getInstance() {return _instance;}\n");
107
108 for (JavaMethod javaMethod : javaMethods) {
109 String methodName = javaMethod.getName();
110
111 if (!javaMethod.isPublic() || !javaMethod.isStatic()) {
112 continue;
113 }
114
115 if (methodName.equals("getInstance")) {
116 methodName = "getWrappedInstance";
117 }
118
119 DocletTag[] docletTags = javaMethod.getTagsByName("deprecated");
120
121 if (ArrayUtil.isNotEmpty(docletTags)) {
122 sb.append("\t\n");
125 sb.append("\t@Deprecated\n");
126 }
127
128 sb.append("public ");
129
130 TypeVariable[] typeParameters = javaMethod.getTypeParameters();
131
132 if (typeParameters.length > 0) {
133 sb.append(" <");
134
135 for (int i = 0; i < typeParameters.length; i++) {
136 TypeVariable typeParameter = typeParameters[i];
137
138 sb.append(typeParameter.getName());
139 sb.append(", ");
140 }
141
142 sb.setIndex(sb.index() - 1);
143
144 sb.append("> ");
145 }
146
147 sb.append(_getTypeGenericsName(javaMethod.getReturnType()));
148 sb.append(" ");
149 sb.append(methodName);
150 sb.append(StringPool.OPEN_PARENTHESIS);
151
152 JavaParameter[] javaParameters = javaMethod.getParameters();
153
154 for (int i = 0; i < javaParameters.length; i++) {
155 JavaParameter javaParameter = javaParameters[i];
156
157 sb.append(_getTypeGenericsName(javaParameter.getType()));
158
159 if (javaParameter.isVarArgs()) {
160 sb.append("...");
161 }
162
163 sb.append(" ");
164 sb.append(javaParameter.getName());
165 sb.append(", ");
166 }
167
168 if (javaParameters.length > 0) {
169 sb.setIndex(sb.index() - 1);
170 }
171
172 sb.append(StringPool.CLOSE_PARENTHESIS);
173
174 Type[] thrownExceptions = javaMethod.getExceptions();
175
176 Set<String> newExceptions = new LinkedHashSet<>();
177
178 for (int j = 0; j < thrownExceptions.length; j++) {
179 Type thrownException = thrownExceptions[j];
180
181 newExceptions.add(thrownException.getValue());
182 }
183
184 if (!newExceptions.isEmpty()) {
185 sb.append(" throws ");
186
187 for (String newException : newExceptions) {
188 sb.append(newException);
189 sb.append(", ");
190 }
191
192 sb.setIndex(sb.index() - 1);
193 }
194
195 sb.append("{\n");
196
197 if (!javaMethod.getReturnType().getValue().equals("void")) {
198 sb.append("return ");
199 }
200
201 sb.append(javaClass.getName());
202 sb.append(".");
203 sb.append(javaMethod.getName());
204 sb.append("(");
205
206 for (int j = 0; j < javaParameters.length; j++) {
207 JavaParameter javaParameter = javaParameters[j];
208
209 sb.append(javaParameter.getName());
210 sb.append(", ");
211 }
212
213 if (javaParameters.length > 0) {
214 sb.setIndex(sb.index() - 1);
215 }
216
217 sb.append(");}\n");
218 }
219
220
221
222 sb.append("private ");
223 sb.append(javaClass.getName());
224 sb.append("_IW() {}");
225
226
227
228 sb.append("private static ");
229 sb.append(javaClass.getName());
230 sb.append("_IW _instance = new ");
231 sb.append(javaClass.getName());
232 sb.append("_IW();");
233
234
235
236 sb.append("}");
237
238
239
240 File file = new File(
241 parentDir + "/" +
242 StringUtil.replace(javaClass.getPackage().getName(), '.', '/') +
243 "/" + javaClass.getName() + "_IW.java");
244
245 ToolsUtil.writeFile(file, sb.toString(), null);
246 }
247
248 private String _getDimensions(Type type) {
249 String dimensions = "";
250
251 for (int i = 0; i < type.getDimensions(); i++) {
252 dimensions += "[]";
253 }
254
255 return dimensions;
256 }
257
258 private JavaClass _getJavaClass(String parentDir, String srcFile)
259 throws IOException {
260
261 String className = StringUtil.replace(
262 srcFile.substring(0, srcFile.length() - 5), '/', '.');
263
264 JavaDocBuilder builder = new JavaDocBuilder();
265
266 builder.addSource(new File(parentDir + "/" + srcFile));
267
268 return builder.getClassByName(className);
269 }
270
271 private String _getTypeGenericsName(Type type) {
272 Type[] actualTypeArguments = type.getActualTypeArguments();
273
274 if (actualTypeArguments == null) {
275 String value = type.getValue();
276
277 return value.concat(_getDimensions(type));
278 }
279
280 StringBundler sb = new StringBundler(
281 actualTypeArguments.length * 2 + 3);
282
283 sb.append(type.getValue());
284 sb.append("<");
285
286 for (int i = 0; i < actualTypeArguments.length; i++) {
287 sb.append(_getTypeGenericsName(actualTypeArguments[i]));
288 sb.append(", ");
289 }
290
291 if (actualTypeArguments.length > 0) {
292 sb.setIndex(sb.index() - 1);
293 }
294
295 sb.append(">");
296 sb.append(_getDimensions(type));
297
298 return sb.toString();
299 }
300
301 }