188 * @param defaultPackage
189 * true if unqualified class names belong to the default package,
190 * or false if they correspond to java.lang classes. For instance
191 * "Object" means "Object" if this option is true, or
192 * "java.lang.Object" otherwise.
193 * @return a {@link Method} corresponding to the given Java method
194 * declaration.
195 * @throws IllegalArgumentException
196 * if <code>method</code> could not get parsed.
197 */
198 public static Method getMethod(final String method,
199 final boolean defaultPackage) throws IllegalArgumentException {
200 int space = method.indexOf(' ');
201 int start = method.indexOf('(', space) + 1;
202 int end = method.indexOf(')', start);
203 if (space == -1 || start == -1 || end == -1) {
204 throw new IllegalArgumentException();
205 }
206 String returnType = method.substring(0, space);
207 String methodName = method.substring(space + 1, start - 1).trim();
208 StringBuffer sb = new StringBuffer();
209 sb.append('(');
210 int p;
211 do {
212 String s;
213 p = method.indexOf(',', start);
214 if (p == -1) {
215 s = map(method.substring(start, end).trim(), defaultPackage);
216 } else {
217 s = map(method.substring(start, p).trim(), defaultPackage);
218 start = p + 1;
219 }
220 sb.append(s);
221 } while (p != -1);
222 sb.append(')');
223 sb.append(map(returnType, defaultPackage));
224 return new Method(methodName, sb.toString());
225 }
226
227 private static String map(final String type, final boolean defaultPackage) {
228 if ("".equals(type)) {
229 return type;
230 }
231
232 StringBuffer sb = new StringBuffer();
233 int index = 0;
234 while ((index = type.indexOf("[]", index) + 1) > 0) {
235 sb.append('[');
236 }
237
238 String t = type.substring(0, type.length() - sb.length() * 2);
239 String desc = DESCRIPTORS.get(t);
240 if (desc != null) {
241 sb.append(desc);
242 } else {
243 sb.append('L');
244 if (t.indexOf('.') < 0) {
245 if (!defaultPackage) {
246 sb.append("java/lang/");
247 }
248 sb.append(t);
249 } else {
250 sb.append(t.replace('.', '/'));
251 }
252 sb.append(';');
|
188 * @param defaultPackage
189 * true if unqualified class names belong to the default package,
190 * or false if they correspond to java.lang classes. For instance
191 * "Object" means "Object" if this option is true, or
192 * "java.lang.Object" otherwise.
193 * @return a {@link Method} corresponding to the given Java method
194 * declaration.
195 * @throws IllegalArgumentException
196 * if <code>method</code> could not get parsed.
197 */
198 public static Method getMethod(final String method,
199 final boolean defaultPackage) throws IllegalArgumentException {
200 int space = method.indexOf(' ');
201 int start = method.indexOf('(', space) + 1;
202 int end = method.indexOf(')', start);
203 if (space == -1 || start == -1 || end == -1) {
204 throw new IllegalArgumentException();
205 }
206 String returnType = method.substring(0, space);
207 String methodName = method.substring(space + 1, start - 1).trim();
208 StringBuilder sb = new StringBuilder();
209 sb.append('(');
210 int p;
211 do {
212 String s;
213 p = method.indexOf(',', start);
214 if (p == -1) {
215 s = map(method.substring(start, end).trim(), defaultPackage);
216 } else {
217 s = map(method.substring(start, p).trim(), defaultPackage);
218 start = p + 1;
219 }
220 sb.append(s);
221 } while (p != -1);
222 sb.append(')');
223 sb.append(map(returnType, defaultPackage));
224 return new Method(methodName, sb.toString());
225 }
226
227 private static String map(final String type, final boolean defaultPackage) {
228 if ("".equals(type)) {
229 return type;
230 }
231
232 StringBuilder sb = new StringBuilder();
233 int index = 0;
234 while ((index = type.indexOf("[]", index) + 1) > 0) {
235 sb.append('[');
236 }
237
238 String t = type.substring(0, type.length() - sb.length() * 2);
239 String desc = DESCRIPTORS.get(t);
240 if (desc != null) {
241 sb.append(desc);
242 } else {
243 sb.append('L');
244 if (t.indexOf('.') < 0) {
245 if (!defaultPackage) {
246 sb.append("java/lang/");
247 }
248 sb.append(t);
249 } else {
250 sb.append(t.replace('.', '/'));
251 }
252 sb.append(';');
|