1
|
// $Id$
|
2
|
/**
|
3
|
* Copyright (C) 2007 EDIT
|
4
|
* European Distributed Institute of Taxonomy
|
5
|
* http://www.e-taxonomy.eu
|
6
|
*
|
7
|
* The contents of this file are subject to the Mozilla Public License Version 1.1
|
8
|
* See LICENSE.TXT at the top of this package for the full license terms.
|
9
|
*/
|
10
|
|
11
|
package eu.etaxonomy.cdm.remote.controller;
|
12
|
|
13
|
import java.beans.PropertyDescriptor;
|
14
|
import java.io.IOException;
|
15
|
import java.lang.reflect.InvocationTargetException;
|
16
|
import java.lang.reflect.Method;
|
17
|
import java.lang.reflect.ParameterizedType;
|
18
|
import java.lang.reflect.Type;
|
19
|
import java.util.ArrayList;
|
20
|
import java.util.Arrays;
|
21
|
import java.util.Collection;
|
22
|
import java.util.List;
|
23
|
import java.util.UUID;
|
24
|
|
25
|
import javax.servlet.http.HttpServletRequest;
|
26
|
import javax.servlet.http.HttpServletResponse;
|
27
|
|
28
|
import org.apache.commons.beanutils.PropertyUtils;
|
29
|
import org.apache.commons.io.FilenameUtils;
|
30
|
import org.apache.commons.lang.StringUtils;
|
31
|
import org.hibernate.mapping.Map;
|
32
|
import org.springframework.web.bind.WebDataBinder;
|
33
|
import org.springframework.web.bind.annotation.InitBinder;
|
34
|
import org.springframework.web.bind.annotation.PathVariable;
|
35
|
import org.springframework.web.bind.annotation.RequestMapping;
|
36
|
import org.springframework.web.bind.annotation.RequestMethod;
|
37
|
import org.springframework.web.bind.annotation.RequestParam;
|
38
|
import org.springframework.web.servlet.ModelAndView;
|
39
|
|
40
|
import eu.etaxonomy.cdm.api.service.IService;
|
41
|
import eu.etaxonomy.cdm.api.service.pager.Pager;
|
42
|
import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl;
|
43
|
import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
|
44
|
import eu.etaxonomy.cdm.model.common.CdmBase;
|
45
|
import eu.etaxonomy.cdm.model.reference.INomenclaturalReference;
|
46
|
import eu.etaxonomy.cdm.remote.controller.util.PagerParameters;
|
47
|
import eu.etaxonomy.cdm.remote.editor.UUIDPropertyEditor;
|
48
|
|
49
|
/**
|
50
|
* based on org.cateproject.controller.common
|
51
|
* @author b.clark
|
52
|
* @author a.kohlbecker
|
53
|
*
|
54
|
* @param <T>
|
55
|
* @param <SERVICE>
|
56
|
*/
|
57
|
|
58
|
public abstract class BaseController<T extends CdmBase, SERVICE extends IService<T>> extends AbstractController<T, SERVICE> {
|
59
|
|
60
|
/* protected SERVICE service;
|
61
|
|
62
|
public abstract void setService(SERVICE service);*/
|
63
|
|
64
|
protected Class<T> baseClass;
|
65
|
|
66
|
public BaseController (){
|
67
|
|
68
|
Type superClass = this.getClass().getGenericSuperclass();
|
69
|
if(superClass instanceof ParameterizedType){
|
70
|
ParameterizedType parametrizedSuperClass = (ParameterizedType) superClass;
|
71
|
Type[] typeArguments = parametrizedSuperClass.getActualTypeArguments();
|
72
|
|
73
|
if(typeArguments.length > 1 && typeArguments[0] instanceof Class<?>){
|
74
|
baseClass = (Class<T>) typeArguments[0];
|
75
|
} else {
|
76
|
logger.error("unable to find baseClass");
|
77
|
}
|
78
|
}
|
79
|
}
|
80
|
|
81
|
@InitBinder
|
82
|
public void initBinder(WebDataBinder binder) {
|
83
|
binder.registerCustomEditor(UUID.class, new UUIDPropertyEditor());
|
84
|
}
|
85
|
|
86
|
//TODO implement bulk version of this method
|
87
|
@RequestMapping(method = RequestMethod.GET)
|
88
|
public T doGet(@PathVariable("uuid") UUID uuid,
|
89
|
HttpServletRequest request,
|
90
|
HttpServletResponse response) throws IOException {
|
91
|
if(request != null) {
|
92
|
logger.info("doGet() " + request.getRequestURI());
|
93
|
}
|
94
|
T obj = getCdmBaseInstance(uuid, response, initializationStrategy);
|
95
|
return obj;
|
96
|
}
|
97
|
|
98
|
/**
|
99
|
* @param uuid
|
100
|
* @param request
|
101
|
* @param response
|
102
|
* @return
|
103
|
* @throws IOException
|
104
|
*
|
105
|
* TODO implement bulk version of this method
|
106
|
*/
|
107
|
@RequestMapping(value = "*", method = RequestMethod.GET)
|
108
|
public ModelAndView doGetMethod(
|
109
|
@PathVariable("uuid") UUID uuid,
|
110
|
// doPage request parametes
|
111
|
@RequestParam(value = "pageNumber", required = false) Integer pageNumber,
|
112
|
@RequestParam(value = "pageSize", required = false) Integer pageSize,
|
113
|
// doList request parametes
|
114
|
@RequestParam(value = "start", required = false) Integer start,
|
115
|
@RequestParam(value = "limit", required = false) Integer limit,
|
116
|
HttpServletRequest request,
|
117
|
HttpServletResponse response) throws IOException {
|
118
|
|
119
|
ModelAndView modelAndView = new ModelAndView();
|
120
|
|
121
|
String servletPath = request.getServletPath();
|
122
|
String baseName = FilenameUtils.getBaseName(servletPath);
|
123
|
|
124
|
if(request != null) {
|
125
|
logger.info("doGetMethod()[doGet" + StringUtils.capitalize(baseName) + "] " + request.getRequestURI());
|
126
|
}
|
127
|
|
128
|
// <CUT
|
129
|
// T instance = getCdmBaseInstance(uuid, response, (List<String>)null);
|
130
|
|
131
|
//Class<?> propertyClass = propertyClass(instance, baseName);
|
132
|
|
133
|
Object objectFromProperty = getCdmBaseProperty(uuid, baseName, response);// invokeProperty(instance, baseName, response);
|
134
|
|
135
|
// CUT>
|
136
|
|
137
|
if(objectFromProperty != null){
|
138
|
|
139
|
if( Collection.class.isAssignableFrom(objectFromProperty.getClass())){
|
140
|
// Map types cannot be returned as list or in a pager!
|
141
|
|
142
|
Collection c = (Collection)objectFromProperty;
|
143
|
if(start != null){
|
144
|
// return list
|
145
|
limit = (limit == null ? DEFAULT_PAGE_SIZE : limit);
|
146
|
Collection sub_c = subCollection(c, start, limit);
|
147
|
modelAndView.addObject(sub_c);
|
148
|
|
149
|
} else {
|
150
|
//FIXME use real paging mechanism of according service class instead of subCollection()
|
151
|
//FIXME use BaseListController.normalizeAndValidatePagerParameters(pageNumber, pageSize, response);
|
152
|
PagerParameters pagerParameters = new PagerParameters(pageSize, pageNumber);
|
153
|
pagerParameters.normalizeAndValidate(response);
|
154
|
|
155
|
start = pagerParameters.getPageIndex() * pagerParameters.getPageSize();
|
156
|
List sub_c = subCollection(c, start, pagerParameters.getPageSize());
|
157
|
Pager p = new DefaultPagerImpl(pageNumber, c.size(), pagerParameters.getPageSize(), sub_c);
|
158
|
modelAndView.addObject(p);
|
159
|
}
|
160
|
|
161
|
} else {
|
162
|
modelAndView.addObject(objectFromProperty);
|
163
|
}
|
164
|
|
165
|
}
|
166
|
|
167
|
if(modelAndView.isEmpty()){
|
168
|
return null;
|
169
|
} else {
|
170
|
|
171
|
return modelAndView;
|
172
|
}
|
173
|
}
|
174
|
|
175
|
public Object getCdmBaseProperty(UUID uuid, String property, HttpServletResponse response) throws IOException{
|
176
|
|
177
|
T instance = HibernateProxyHelper.deproxy(getCdmBaseInstance(uuid, response, property));
|
178
|
|
179
|
Object objectFromProperty = invokeProperty(instance, property, response);
|
180
|
|
181
|
return objectFromProperty;
|
182
|
}
|
183
|
|
184
|
private Class<?> propertyClass(T instance, String baseName) {
|
185
|
PropertyDescriptor propertyDescriptor = null;
|
186
|
Class<?> c = null;
|
187
|
try {
|
188
|
propertyDescriptor = PropertyUtils.getPropertyDescriptor(instance, baseName);
|
189
|
if(propertyDescriptor != null){
|
190
|
c = propertyDescriptor.getClass();
|
191
|
}
|
192
|
} catch (IllegalAccessException e) {
|
193
|
// TODO Auto-generated catch block
|
194
|
e.printStackTrace();
|
195
|
} catch (InvocationTargetException e) {
|
196
|
// TODO Auto-generated catch block
|
197
|
e.printStackTrace();
|
198
|
} catch (NoSuchMethodException e) {
|
199
|
// TODO Auto-generated catch block
|
200
|
e.printStackTrace();
|
201
|
}
|
202
|
return c;
|
203
|
}
|
204
|
|
205
|
/**
|
206
|
* @param <SUB_T>
|
207
|
* @param clazz
|
208
|
* @param uuid
|
209
|
* @param response
|
210
|
* @param pathProperties
|
211
|
* @return
|
212
|
* @throws IOException
|
213
|
*/
|
214
|
@SuppressWarnings("unchecked")
|
215
|
protected final <SUB_T extends T> SUB_T getCdmBaseInstance(Class<SUB_T> clazz, UUID uuid, HttpServletResponse response, List<String> pathProperties)
|
216
|
throws IOException {
|
217
|
|
218
|
CdmBase cdmBaseObject = getCdmBaseInstance(uuid, response, pathProperties);
|
219
|
if(!clazz.isAssignableFrom(cdmBaseObject.getClass())){
|
220
|
HttpStatusMessage.UUID_REFERENCES_WRONG_TYPE.send(response);
|
221
|
}
|
222
|
return (SUB_T) cdmBaseObject;
|
223
|
}
|
224
|
|
225
|
/**
|
226
|
* @param <SUB_T>
|
227
|
* @param clazz
|
228
|
* @param uuid
|
229
|
* @param response
|
230
|
* @param pathProperty
|
231
|
* @return
|
232
|
* @throws IOException
|
233
|
*/
|
234
|
@SuppressWarnings("unchecked")
|
235
|
protected final <SUB_T extends T> SUB_T getCdmBaseInstance(Class<SUB_T> clazz, UUID uuid, HttpServletResponse response, String pathProperty)
|
236
|
throws IOException {
|
237
|
|
238
|
CdmBase cdmBaseObject = getCdmBaseInstance(uuid, response, pathProperty);
|
239
|
if(!clazz.isAssignableFrom(cdmBaseObject.getClass())){
|
240
|
HttpStatusMessage.UUID_REFERENCES_WRONG_TYPE.send(response);
|
241
|
}
|
242
|
return (SUB_T) cdmBaseObject;
|
243
|
}
|
244
|
|
245
|
/**
|
246
|
* @param uuid
|
247
|
* @param response
|
248
|
* @param pathProperty
|
249
|
* @return
|
250
|
* @throws IOException
|
251
|
*/
|
252
|
protected final T getCdmBaseInstance(UUID uuid, HttpServletResponse response, String pathProperty)
|
253
|
throws IOException {
|
254
|
return getCdmBaseInstance(baseClass, uuid, response, Arrays
|
255
|
.asList(new String[] { pathProperty }));
|
256
|
}
|
257
|
|
258
|
|
259
|
/**
|
260
|
* @param uuid
|
261
|
* @param response
|
262
|
* @param pathProperties
|
263
|
* @return
|
264
|
* @throws IOException
|
265
|
*/
|
266
|
protected final T getCdmBaseInstance(UUID uuid, HttpServletResponse response, List<String> pathProperties)
|
267
|
throws IOException {
|
268
|
return getCdmBaseInstance(baseClass, service, uuid, response, pathProperties);
|
269
|
}
|
270
|
|
271
|
/**
|
272
|
* @param <CDM_BASE>
|
273
|
* @param clazz
|
274
|
* @param service
|
275
|
* @param uuid
|
276
|
* @param response
|
277
|
* @param pathProperties
|
278
|
* @return
|
279
|
* @throws IOException
|
280
|
*/
|
281
|
protected final <CDM_BASE extends CdmBase> CDM_BASE getCdmBaseInstance(Class<CDM_BASE> clazz, IService<CDM_BASE> service, UUID uuid, HttpServletResponse response, List<String> pathProperties)
|
282
|
throws IOException {
|
283
|
|
284
|
CDM_BASE cdmBaseObject = service.load(uuid, pathProperties);
|
285
|
if (cdmBaseObject == null) {
|
286
|
HttpStatusMessage.UUID_NOT_FOUND.send(response);
|
287
|
}
|
288
|
return cdmBaseObject;
|
289
|
}
|
290
|
|
291
|
/**
|
292
|
* @param instance
|
293
|
* @param baseName
|
294
|
* @param response
|
295
|
* @return
|
296
|
* @throws IOException
|
297
|
*/
|
298
|
private final Object invokeProperty(T instance,
|
299
|
String baseName, HttpServletResponse response) throws IOException {
|
300
|
|
301
|
Object result = null;
|
302
|
try {
|
303
|
PropertyDescriptor propertyDescriptor = PropertyUtils.getPropertyDescriptor(instance, baseName);
|
304
|
if(propertyDescriptor == null){
|
305
|
throw new NoSuchMethodException("No such method: " + instance.getClass().getSimpleName() + ".get" + baseName);
|
306
|
}
|
307
|
Method method = propertyDescriptor.getReadMethod();
|
308
|
|
309
|
Class<?> returnType = method.getReturnType();
|
310
|
|
311
|
if(CdmBase.class.isAssignableFrom(returnType)
|
312
|
|| Collection.class.isAssignableFrom(returnType)
|
313
|
|| Map.class.isAssignableFrom(returnType)
|
314
|
|| INomenclaturalReference.class.isAssignableFrom(returnType)){
|
315
|
|
316
|
result = method.invoke(instance, (Object[])null);
|
317
|
|
318
|
result = HibernateProxyHelper.deproxy(result);
|
319
|
|
320
|
}else{
|
321
|
HttpStatusMessage.UUID_REFERENCES_WRONG_TYPE.send(response);
|
322
|
}
|
323
|
} catch (SecurityException e) {
|
324
|
logger.error("SecurityException: ", e);
|
325
|
HttpStatusMessage.INTERNAL_ERROR.send(response);
|
326
|
} catch (NoSuchMethodException e) {
|
327
|
HttpStatusMessage.PROPERTY_NOT_FOUND.send(response);
|
328
|
} catch (IllegalArgumentException e) {
|
329
|
HttpStatusMessage.PROPERTY_NOT_FOUND.send(response);
|
330
|
} catch (IllegalAccessException e) {
|
331
|
HttpStatusMessage.PROPERTY_NOT_FOUND.send(response);
|
332
|
} catch (InvocationTargetException e) {
|
333
|
HttpStatusMessage.PROPERTY_NOT_FOUND.send(response);
|
334
|
}
|
335
|
return result;
|
336
|
}
|
337
|
|
338
|
private <E> List<E> subCollection(Collection<? extends E> c, Integer start, Integer length){
|
339
|
List<E> sub_c = new ArrayList<E>(length);
|
340
|
if(c.size() > length){
|
341
|
E[] a = (E[]) c.toArray();
|
342
|
for(int i = start; i < start + length; i++){
|
343
|
sub_c.add(a[i]);
|
344
|
}
|
345
|
} else {
|
346
|
sub_c.addAll(c);
|
347
|
}
|
348
|
return sub_c;
|
349
|
|
350
|
}
|
351
|
|
352
|
|
353
|
/* TODO implement
|
354
|
|
355
|
private Validator validator;
|
356
|
|
357
|
private javax.validation.Validator javaxValidator;
|
358
|
|
359
|
@RequestMapping(method = RequestMethod.PUT, headers="content-type=multipart/form-data")
|
360
|
public T doPutForm(@PathVariable(value = "uuid") UUID uuid, @ModelAttribute("object") T object, BindingResult result) {
|
361
|
object.setUuid(uuid);
|
362
|
validator.validate(object, result);
|
363
|
if (result.hasErrors()) {
|
364
|
throw new Error();
|
365
|
// set http status code depending upon what happened, possibly return
|
366
|
// the put object and errors so that they can be rendered into a suitable error response
|
367
|
} else {
|
368
|
// requires merging detached object ?gilead?
|
369
|
service.save(object);
|
370
|
}
|
371
|
|
372
|
return object;
|
373
|
}
|
374
|
|
375
|
@RequestMapping(method = RequestMethod.PUT, headers="content-type=text/json")
|
376
|
public T doPutJSON(@PathVariable(value = "uuid") UUID uuid, @RequestBody String jsonMessage) {
|
377
|
JSONObject jsonObject = JSONObject.fromObject(jsonMessage);
|
378
|
T object = (T)JSONObject.toBean(jsonObject, this.getClass());
|
379
|
|
380
|
|
381
|
Set<ConstraintViolation<T>> constraintViolations = javaxValidator.validate(object);
|
382
|
if (!constraintViolations.isEmpty()) {
|
383
|
throw new Error();
|
384
|
// set http status code depending upon what happened, possibly return
|
385
|
// the put object and errors so that they can be rendered into a suitable error response
|
386
|
} else {
|
387
|
// requires merging detached object ?gilead?
|
388
|
service.save(object);
|
389
|
}
|
390
|
|
391
|
return object;
|
392
|
}
|
393
|
|
394
|
@RequestMapping(method = RequestMethod.PUT) // the cdm-server may not allow clients to specify the uuid for resources
|
395
|
public T doPut(@PathVariable(value = "uuid") UUID uuid, @ModelAttribute("object") T object, BindingResult result) {
|
396
|
validator.validate(object, result);
|
397
|
if (result.hasErrors()) {
|
398
|
// set http status code depending upon what happened, possibly return
|
399
|
// the put object and errors so that they can be rendered into a suitable error response
|
400
|
} else {
|
401
|
service.save(object);
|
402
|
}
|
403
|
}
|
404
|
|
405
|
@RequestMapping(method = RequestMethod.DELETE)
|
406
|
public void doDelete(@PathVariable(value = "uuid") UUID uuid) {
|
407
|
T object = service.find(uuid);
|
408
|
// provided the object exists
|
409
|
service.delete(uuid);
|
410
|
// might return 204 or 200
|
411
|
}
|
412
|
}
|
413
|
*/
|
414
|
|
415
|
|
416
|
}
|