1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
|
12 | |
|
13 | |
|
14 | |
|
15 | |
|
16 | |
package org.kuali.student.datadictionary.util; |
17 | |
|
18 | |
import java.util.ArrayList; |
19 | |
import java.util.Date; |
20 | |
import java.util.HashSet; |
21 | |
import java.util.List; |
22 | |
import java.util.Set; |
23 | |
import java.util.regex.Pattern; |
24 | |
import java.util.regex.PatternSyntaxException; |
25 | |
import org.kuali.rice.core.api.DateTimeService; |
26 | |
import org.kuali.rice.kns.datadictionary.AttributeDefinition; |
27 | |
import org.kuali.rice.kns.datadictionary.DataObjectEntry; |
28 | |
import org.kuali.rice.kns.datadictionary.validation.DataType; |
29 | |
import org.kuali.rice.kns.datadictionary.validation.ValidationUtils; |
30 | |
import org.kuali.rice.kns.datadictionary.validation.constraint.CaseConstraint; |
31 | |
import org.kuali.rice.kns.datadictionary.validation.constraint.LookupConstraint; |
32 | |
import org.kuali.rice.kns.datadictionary.validation.constraint.ValidCharactersConstraint; |
33 | |
import org.kuali.rice.kns.datadictionary.validation.constraint.WhenConstraint; |
34 | |
|
35 | |
|
36 | |
|
37 | |
|
38 | |
public class DictionaryValidator { |
39 | |
|
40 | |
private DateTimeService dateTimeService; |
41 | |
private DataObjectEntry ode; |
42 | |
private Set<DataObjectEntry> alreadyValidated; |
43 | |
|
44 | |
public DictionaryValidator(DataObjectEntry ode, |
45 | 0 | Set<DataObjectEntry> alreadyValidated) { |
46 | 0 | this.ode = ode; |
47 | 0 | this.alreadyValidated = alreadyValidated; |
48 | 0 | } |
49 | |
|
50 | |
public DateTimeService getDateTimeService() { |
51 | 0 | return dateTimeService; |
52 | |
} |
53 | |
|
54 | |
public void setDateTimeService(DateTimeService dateTimeService) { |
55 | 0 | this.dateTimeService = dateTimeService; |
56 | 0 | } |
57 | |
|
58 | |
public List<String> validate() { |
59 | 0 | List<String> errors = new ArrayList(); |
60 | 0 | if (ode.getFullClassName() == null) { |
61 | 0 | errors.add("The class name cannot be be left null"); |
62 | |
} |
63 | 0 | if (ode.getEntryClass() == null) { |
64 | 0 | errors.add("The entry class should not be left null"); |
65 | |
} |
66 | 0 | if ( ! ode.getEntryClass().getName ().equals(ode.getFullClassName())) { |
67 | 0 | errors.add("The entry class should match the full class name"); |
68 | |
} |
69 | |
|
70 | |
|
71 | |
|
72 | |
|
73 | |
|
74 | |
|
75 | 0 | if (ode.getAttributes() == null) { |
76 | 0 | errors.add("getAttribues () is null -- null for field defintion"); |
77 | 0 | return errors; |
78 | |
} |
79 | 0 | if (ode.getAttributes().size() == 0) { |
80 | 0 | errors.add("No fields defined for complex object structure"); |
81 | 0 | return errors; |
82 | |
} |
83 | 0 | Set<String> fieldNames = new HashSet(); |
84 | 0 | for (AttributeDefinition ad : ode.getAttributes()) { |
85 | 0 | if (ad.getName() != null) { |
86 | 0 | if (!fieldNames.add(ad.getName())) { |
87 | 0 | errors.add(ad.getName() + " is defined more than once"); |
88 | |
} |
89 | |
} |
90 | 0 | errors.addAll(validateAttributeDefinition(ad)); |
91 | |
} |
92 | 0 | return errors; |
93 | |
} |
94 | |
|
95 | |
|
96 | |
|
97 | |
|
98 | |
|
99 | |
|
100 | |
|
101 | |
|
102 | |
|
103 | |
|
104 | |
|
105 | |
|
106 | |
private List<String> validateAttributeDefinition(AttributeDefinition ad) { |
107 | 0 | List<String> errors = new ArrayList(); |
108 | 0 | if (ad.getName() == null) { |
109 | 0 | errors.add("name cannot be null"); |
110 | 0 | } else if (ad.getName().trim().equals("")) { |
111 | 0 | errors.add("name cannot be blank"); |
112 | |
} |
113 | 0 | if (ad.getDataType().equals(DataType.COMPLEX)) { |
114 | 0 | errorIfNotNull(errors, ad, "exclusiveMin", ad.getExclusiveMin()); |
115 | 0 | errorIfNotNull(errors, ad, "inclusiveMax", ad.getInclusiveMax()); |
116 | 0 | errorIfNotNull(errors, ad, "max length", ad.getMaxLength()); |
117 | 0 | errorIfNotNull(errors, ad, "min length", ad.getMinLength()); |
118 | 0 | errorIfNotNull(errors, ad, "valid chars", ad.getValidCharactersConstraint()); |
119 | 0 | errorIfNotNull(errors, ad, "lookup", ad.getLookupDefinition()); |
120 | |
} |
121 | |
|
122 | 0 | validateConversion(errors, ad.getName(), "exclusiveMin", ad.getDataType(), ad.getExclusiveMin()); |
123 | 0 | validateConversion(errors, ad.getName(), "inclusiveMax", ad.getDataType(), ad.getInclusiveMax()); |
124 | |
|
125 | |
|
126 | 0 | if (ad.getLookupDefinition() != null) { |
127 | 0 | errors.addAll(validateLookup(ad, ad.getLookupDefinition())); |
128 | |
} |
129 | 0 | if (ad.getCaseConstraint() != null) { |
130 | 0 | errors.addAll(validateCase(ad, ad.getCaseConstraint())); |
131 | |
} |
132 | 0 | if (ad.getValidCharactersConstraint() != null) { |
133 | 0 | errors.addAll(validateValidChars(ad, ad.getValidCharactersConstraint())); |
134 | |
} |
135 | 0 | return errors; |
136 | |
} |
137 | |
|
138 | |
private void errorIfNotNull(List<String> errors, AttributeDefinition fd, |
139 | |
String validation, |
140 | |
Object value) { |
141 | 0 | if (value != null) { |
142 | 0 | errors.add("field " + fd.getName() + " has a " + validation |
143 | |
+ " but it cannot be specified on a complex type"); |
144 | |
} |
145 | 0 | } |
146 | |
|
147 | |
private Object validateConversion(List<String> errors, String fieldName, |
148 | |
String propertyName, DataType dataType, |
149 | |
Object value) { |
150 | 0 | if (value == null) { |
151 | 0 | return null; |
152 | |
} |
153 | 0 | switch (dataType) { |
154 | |
case STRING: |
155 | 0 | return value.toString().trim(); |
156 | |
|
157 | |
case LONG: |
158 | |
try { |
159 | 0 | return ValidationUtils.getLong(value); |
160 | 0 | } catch (NumberFormatException ex) { |
161 | 0 | errors.add( |
162 | |
"field " + fieldName |
163 | |
+ " has a " + propertyName |
164 | |
+ " that cannot be converted into a long integer"); |
165 | |
} |
166 | 0 | return null; |
167 | |
case INTEGER: |
168 | |
try { |
169 | 0 | return ValidationUtils.getInteger(value); |
170 | 0 | } catch (NumberFormatException ex) { |
171 | 0 | errors.add( |
172 | |
"field " + fieldName |
173 | |
+ " has a " + propertyName + " that cannot be converted into an integer"); |
174 | |
} |
175 | 0 | return null; |
176 | |
case FLOAT: |
177 | |
try { |
178 | 0 | return ValidationUtils.getFloat(value); |
179 | 0 | } catch (NumberFormatException ex) { |
180 | 0 | errors.add( |
181 | |
"field " + fieldName |
182 | |
+ " has a " + propertyName |
183 | |
+ " that cannot be converted into a floating point value"); |
184 | |
} |
185 | 0 | return null; |
186 | |
case DOUBLE: |
187 | |
try { |
188 | 0 | return ValidationUtils.getFloat(value); |
189 | 0 | } catch (NumberFormatException ex) { |
190 | 0 | errors.add( |
191 | |
"field " + fieldName |
192 | |
+ " has a " + propertyName |
193 | |
+ " that cannot be converted into a double sized floating point value"); |
194 | |
} |
195 | 0 | return null; |
196 | |
case BOOLEAN: |
197 | 0 | if (value instanceof Boolean) { |
198 | 0 | return ((Boolean) value).booleanValue(); |
199 | |
} |
200 | 0 | if (value instanceof String) { |
201 | 0 | if (((String) value).trim().equalsIgnoreCase("true")) { |
202 | 0 | return true; |
203 | |
} |
204 | 0 | if (((String) value).trim().equalsIgnoreCase("false")) { |
205 | 0 | return true; |
206 | |
} |
207 | |
} |
208 | 0 | errors.add( |
209 | |
"field " + fieldName |
210 | |
+ " has a " + propertyName |
211 | |
+ " that cannot be converted into a boolean true/false"); |
212 | 0 | return null; |
213 | |
case DATE: |
214 | |
case TRUNCATED_DATE: |
215 | 0 | if (value instanceof Date) { |
216 | 0 | return (Date) value; |
217 | |
} |
218 | |
try { |
219 | |
|
220 | 0 | return ValidationUtils.getDate(value, dateTimeService); |
221 | 0 | } catch (Exception e) { |
222 | 0 | errors.add( |
223 | |
"field " + fieldName |
224 | |
+ " has a " + propertyName |
225 | |
+ " that cannot be converted into a date"); |
226 | |
} |
227 | 0 | return null; |
228 | |
default: |
229 | 0 | errors.add( |
230 | |
"field " + fieldName |
231 | |
+ " has a " + propertyName |
232 | |
+ " that cannot be converted into an unknown/unhandled data type"); |
233 | 0 | return null; |
234 | |
} |
235 | |
} |
236 | |
|
237 | |
private List<String> validateValidChars(AttributeDefinition fd, |
238 | |
ValidCharactersConstraint vc) { |
239 | 0 | List<String> errors = new ArrayList(); |
240 | 0 | String validChars = vc.getValue(); |
241 | 0 | int typIdx = validChars.indexOf(":"); |
242 | 0 | String processorType = "regex"; |
243 | 0 | if (-1 == typIdx) { |
244 | 0 | validChars = "[" + validChars + "]*"; |
245 | |
} else { |
246 | 0 | processorType = validChars.substring(0, typIdx); |
247 | 0 | validChars = validChars.substring(typIdx + 1); |
248 | |
} |
249 | 0 | if (!processorType.equalsIgnoreCase("regex")) { |
250 | 0 | errors.add( |
251 | |
"field " + fd.getName() |
252 | |
+ " has an invalid valid chars processor type: a simple list of characters or a regex: is supported"); |
253 | 0 | return errors; |
254 | |
} |
255 | |
try { |
256 | 0 | Pattern pattern = Pattern.compile(validChars); |
257 | 0 | } catch (PatternSyntaxException ex) { |
258 | 0 | errors.add("field " + fd.getName() |
259 | |
+ " has in invalid character pattern for a regular expression: " |
260 | |
+ validChars); |
261 | 0 | } |
262 | 0 | return errors; |
263 | |
} |
264 | |
|
265 | |
private List<String> validateLookup(AttributeDefinition fd, LookupConstraint lc) { |
266 | 0 | List<String> errors = new ArrayList(); |
267 | 0 | if (lc.getParams() == null) { |
268 | 0 | errors.add("field " + fd.getName() + " has a lookup with null parameters"); |
269 | |
} |
270 | |
|
271 | 0 | return errors; |
272 | |
} |
273 | |
public static final String GREATER_THAN_EQUAL = "greater_than_equal"; |
274 | |
public static final String LESS_THAN_EQUAL = "less_than_equal"; |
275 | |
public static final String GREATER_THAN = "greater_than"; |
276 | |
public static final String LESS_THAN = "less_than"; |
277 | |
public static final String EQUALS = "equals"; |
278 | |
public static final String NOT_EQUAL = "not_equal"; |
279 | 0 | private static final String[] VALID_OPERATORS = { |
280 | |
NOT_EQUAL, EQUALS, GREATER_THAN_EQUAL, LESS_THAN_EQUAL, GREATER_THAN, LESS_THAN |
281 | |
}; |
282 | |
|
283 | |
private List<String> validateCase(AttributeDefinition fd, CaseConstraint cc) { |
284 | 0 | List<String> errors = new ArrayList(); |
285 | 0 | if (cc.getOperator() == null) { |
286 | 0 | errors.add("field " + fd.getName() |
287 | |
+ " has a case constraint with no operator"); |
288 | |
} else { |
289 | 0 | boolean found = false; |
290 | 0 | for (int i = 0; i < VALID_OPERATORS.length; i++) { |
291 | 0 | if (VALID_OPERATORS[i].equalsIgnoreCase(cc.getOperator())) { |
292 | 0 | found = true; |
293 | 0 | break; |
294 | |
} |
295 | |
} |
296 | 0 | if (!found) { |
297 | 0 | errors.add("field " + fd.getName() |
298 | |
+ " has a case constraint with an unknown operator " |
299 | |
+ cc.getOperator()); |
300 | |
} |
301 | |
} |
302 | 0 | if (cc.getFieldPath() == null) { |
303 | 0 | errors.add( |
304 | |
"field " + fd.getName() |
305 | |
+ " has a case constraint with a null for the field to use for the comparison"); |
306 | 0 | } else if (cc.getFieldPath().trim().equals("")) { |
307 | 0 | errors.add( |
308 | |
"field " + fd.getName() |
309 | |
+ " has a case constraint with blanks for the field to use for the comparison"); |
310 | |
} |
311 | 0 | if (cc.getWhenConstraint() == null) { |
312 | 0 | errors.add("field " + fd.getName() |
313 | |
+ " has a case constraint but null when statements"); |
314 | 0 | return errors; |
315 | |
} |
316 | 0 | if (cc.getWhenConstraint().size() == 0) { |
317 | 0 | errors.add("field " + fd.getName() |
318 | |
+ " has a case constraint but has no when statements"); |
319 | |
} |
320 | 0 | for (WhenConstraint wc : cc.getWhenConstraint()) { |
321 | 0 | if (wc.getConstraint() == null) { |
322 | 0 | errors.add( |
323 | |
"field " + fd.getName() |
324 | |
+ " has a as case constraint with a when statement that has no overriding constraints specified"); |
325 | |
} |
326 | |
} |
327 | |
|
328 | 0 | return errors; |
329 | |
} |
330 | |
} |