001
014
015 package com.liferay.portal.tools;
016
017 import com.liferay.portal.kernel.util.StringUtil;
018 import com.liferay.portal.kernel.xml.Document;
019 import com.liferay.portal.kernel.xml.Element;
020 import com.liferay.portal.kernel.xml.SAXReaderUtil;
021 import com.liferay.portal.tools.servicebuilder.ServiceBuilder;
022 import com.liferay.portal.util.InitUtil;
023
024 import com.thoughtworks.qdox.JavaDocBuilder;
025 import com.thoughtworks.qdox.model.DocletTag;
026 import com.thoughtworks.qdox.model.JavaClass;
027 import com.thoughtworks.qdox.model.JavaMethod;
028 import com.thoughtworks.qdox.model.JavaParameter;
029 import com.thoughtworks.qdox.model.Type;
030 import com.thoughtworks.qdox.model.TypeVariable;
031
032 import java.io.File;
033 import java.io.IOException;
034
035 import java.util.Iterator;
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 InitUtil.initWithSpring();
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 = SAXReaderUtil.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 StringBuilder sb = new StringBuilder();
089
090
091
092 sb.append("package " + javaClass.getPackage().getName() + ";");
093
094
095
096 sb.append("public class " + javaClass.getName() + "_IW {");
097
098
099
100 sb.append("public static " + javaClass.getName() + "_IW getInstance() {");
101 sb.append("return _instance;");
102 sb.append("}\n");
103
104 for (JavaMethod javaMethod : javaMethods) {
105 String methodName = javaMethod.getName();
106
107 if (!javaMethod.isPublic() || !javaMethod.isStatic()) {
108 continue;
109 }
110
111 if (methodName.equals("getInstance")) {
112 methodName = "getWrappedInstance";
113 }
114
115 DocletTag[] docletTags = javaMethod.getTagsByName("deprecated");
116
117 if ((docletTags != null) && (docletTags.length > 0)) {
118 sb.append("\t\n");
121 }
122
123 sb.append("public ");
124
125 TypeVariable[] typeParameters = javaMethod.getTypeParameters();
126
127 if (typeParameters.length > 0) {
128 sb.append(" <");
129
130 for (int i = 0; i < typeParameters.length; i++) {
131 TypeVariable typeParameter = typeParameters[i];
132
133 sb.append(typeParameter.getName());
134
135 if ((i + 1) != typeParameters.length) {
136 sb.append(", ");
137 }
138 }
139
140 sb.append("> ");
141 }
142
143 sb.append(_getTypeGenericsName(javaMethod.getReturns()) + " " + methodName + "(");
144
145 JavaParameter[] javaParameters = javaMethod.getParameters();
146
147 for (int i = 0; i < javaParameters.length; i++) {
148 JavaParameter javaParameter = javaParameters[i];
149
150 sb.append(_getTypeGenericsName(javaParameter.getType()));
151
152 if (javaParameter.isVarArgs()) {
153 sb.append("...");
154 }
155
156 sb.append(" " + javaParameter.getName());
157
158 if ((i + 1) != javaParameters.length) {
159 sb.append(", ");
160 }
161 }
162
163 sb.append(")");
164
165 Type[] thrownExceptions = javaMethod.getExceptions();
166
167 Set<String> newExceptions = new LinkedHashSet<String>();
168
169 for (int j = 0; j < thrownExceptions.length; j++) {
170 Type thrownException = thrownExceptions[j];
171
172 newExceptions.add(thrownException.getValue());
173 }
174
175 if (newExceptions.size() > 0) {
176 sb.append(" throws ");
177
178 Iterator<String> itr = newExceptions.iterator();
179
180 while (itr.hasNext()) {
181 sb.append(itr.next());
182
183 if (itr.hasNext()) {
184 sb.append(", ");
185 }
186 }
187 }
188
189 sb.append("{\n");
190
191 if (!javaMethod.getReturns().getValue().equals("void")) {
192 sb.append("return ");
193 }
194
195 sb.append(javaClass.getName() + "." + javaMethod.getName() + "(");
196
197 for (int j = 0; j < javaParameters.length; j++) {
198 JavaParameter javaParameter = javaParameters[j];
199
200 sb.append(javaParameter.getName());
201
202 if ((j + 1) != javaParameters.length) {
203 sb.append(", ");
204 }
205 }
206
207 sb.append(");");
208 sb.append("}\n");
209 }
210
211
212
213 sb.append("private " + javaClass.getName() + "_IW() {");
214 sb.append("}");
215
216
217
218 sb.append("private static " + javaClass.getName() + "_IW _instance = new " + javaClass.getName() + "_IW();");
219
220
221
222 sb.append("}");
223
224
225
226 File file = new File(parentDir + "/" + StringUtil.replace(javaClass.getPackage().getName(), ".", "/") + "/" + javaClass.getName() + "_IW.java");
227
228 ServiceBuilder.writeFile(file, sb.toString());
229 }
230
231 private String _getDimensions(Type type) {
232 String dimensions = "";
233
234 for (int i = 0; i < type.getDimensions(); i++) {
235 dimensions += "[]";
236 }
237
238 return dimensions;
239 }
240
241 private JavaClass _getJavaClass(String parentDir, String srcFile)
242 throws IOException {
243
244 String className = StringUtil.replace(
245 srcFile.substring(0, srcFile.length() - 5), "/", ".");
246
247 JavaDocBuilder builder = new JavaDocBuilder();
248
249 builder.addSource(new File(parentDir + "/" + srcFile));
250
251 return builder.getClassByName(className);
252 }
253
254 private String _getTypeGenericsName(Type type) {
255 StringBuilder sb = new StringBuilder();
256
257 sb.append(type.getValue());
258
259 Type[] actualTypeArguments = type.getActualTypeArguments();
260
261 if (actualTypeArguments != null) {
262 sb.append("<");
263
264 for (int i = 0; i < actualTypeArguments.length; i++) {
265 if (i > 0) {
266 sb.append(", ");
267 }
268
269 sb.append(_getTypeGenericsName(actualTypeArguments[i]));
270 }
271
272 sb.append(">");
273 }
274
275 sb.append(_getDimensions(type));
276
277 return sb.toString();
278 }
279
280 }