| 1 |  |  package org.kuali.student.common.assembly.transform; | 
  | 2 |  |   | 
  | 3 |  |  import java.beans.BeanInfo; | 
  | 4 |  |  import java.beans.Introspector; | 
  | 5 |  |  import java.beans.PropertyDescriptor; | 
  | 6 |  |  import java.lang.reflect.Field; | 
  | 7 |  |  import java.lang.reflect.ParameterizedType; | 
  | 8 |  |  import java.lang.reflect.Type; | 
  | 9 |  |  import java.sql.Time; | 
  | 10 |  |  import java.sql.Timestamp; | 
  | 11 |  |  import java.util.ArrayList; | 
  | 12 |  |  import java.util.Collection; | 
  | 13 |  |  import java.util.Date; | 
  | 14 |  |  import java.util.HashMap; | 
  | 15 |  |  import java.util.HashSet; | 
  | 16 |  |  import java.util.Iterator; | 
  | 17 |  |  import java.util.List; | 
  | 18 |  |  import java.util.Map; | 
  | 19 |  |  import java.util.Map.Entry; | 
  | 20 |  |  import java.util.Set; | 
  | 21 |  |   | 
  | 22 |  |  import org.apache.log4j.Logger; | 
  | 23 |  |  import org.kuali.student.common.assembly.data.Data; | 
  | 24 |  |  import org.kuali.student.common.assembly.data.Data.DataType; | 
  | 25 |  |  import org.kuali.student.common.assembly.data.Data.DataValue; | 
  | 26 |  |  import org.kuali.student.common.assembly.data.Data.Key; | 
  | 27 |  |  import org.kuali.student.common.assembly.data.Data.Property; | 
  | 28 |  |  import org.kuali.student.common.assembly.data.Data.StringKey; | 
  | 29 |  |  import org.kuali.student.common.assembly.data.Metadata; | 
  | 30 |  |   | 
  | 31 |  |   | 
  | 32 | 2 |  public class DefaultDataBeanMapper implements DataBeanMapper { | 
  | 33 | 1 |          public static DataBeanMapper INSTANCE = new DefaultDataBeanMapper(); | 
  | 34 | 2 |          final Logger LOG = Logger.getLogger(DefaultDataBeanMapper.class);         | 
  | 35 |  |           | 
  | 36 |  |           | 
  | 37 |  |   | 
  | 38 |  |   | 
  | 39 |  |          public Data convertFromBean(Object value, Metadata metadata) throws Exception{ | 
  | 40 | 2 |                   Data result = new Data(); | 
  | 41 |  |                   | 
  | 42 | 2 |                  if (value != null) { | 
  | 43 | 2 |                  BeanInfo info = Introspector.getBeanInfo(value.getClass()); | 
  | 44 | 2 |                  PropertyDescriptor[] properties = info.getPropertyDescriptors(); | 
  | 45 |  |                    | 
  | 46 | 24 |                  for (PropertyDescriptor pd : properties) { | 
  | 47 | 22 |                      String propKey = pd.getName(); | 
  | 48 | 22 |                      Object propValue = pd.getReadMethod().invoke(value, (Object[]) null); | 
  | 49 |  |                       | 
  | 50 | 22 |                      if ("attributes".equals(propKey)){ | 
  | 51 | 1 |                              setDataAttributes(result, propValue, metadata); | 
  | 52 |  |                      } else { | 
  | 53 | 21 |                              setDataValue(result, propKey, propValue, metadata); | 
  | 54 |  |                      } | 
  | 55 |  |                  } | 
  | 56 |  |                  }         | 
  | 57 |  |                   | 
  | 58 | 2 |                  return result; | 
  | 59 |  |          } | 
  | 60 |  |           | 
  | 61 |  |           | 
  | 62 |  |   | 
  | 63 |  |   | 
  | 64 |  |   | 
  | 65 |  |   | 
  | 66 |  |          public Object convertFromData(Data data, Class<?> clazz, Metadata metadata) throws Exception{ | 
  | 67 | 2 |                  Object result = null; | 
  | 68 |  |                   | 
  | 69 | 2 |                  result = clazz.newInstance(); | 
  | 70 | 2 |          BeanInfo info = Introspector.getBeanInfo(result.getClass()); | 
  | 71 | 2 |          PropertyDescriptor[] properties = info.getPropertyDescriptors(); | 
  | 72 |  |   | 
  | 73 | 2 |          PropertyDescriptor attrProperty = null; | 
  | 74 |  |           | 
  | 75 | 2 |          Set<Key> staticProperties = new HashSet<Key>(); | 
  | 76 | 24 |                  for (PropertyDescriptor pd : properties) { | 
  | 77 | 22 |                          if ("attributes".equals(pd.getName())){ | 
  | 78 |  |                                   | 
  | 79 | 1 |                                  attrProperty = pd; | 
  | 80 |  |                          } else { | 
  | 81 | 21 |                      StringKey propKey = new StringKey(pd.getName()); | 
  | 82 | 21 |                      Object propValue = data.get(propKey); | 
  | 83 |  |           | 
  | 84 |  |                       | 
  | 85 | 21 |                      if (propValue instanceof Data){ | 
  | 86 | 1 |                              clazz.getFields(); | 
  | 87 | 1 |                              if(metadata!=null){ | 
  | 88 | 1 |                                      if(DataType.LIST.equals(metadata.getDataType())){ | 
  | 89 | 0 |                                              propValue = convertNestedData((Data)propValue, clazz.getDeclaredField(propKey.toString()),metadata.getProperties().get("*")); | 
  | 90 |  |                                      }else{ | 
  | 91 | 1 |                                              propValue = convertNestedData((Data)propValue, clazz.getDeclaredField(propKey.toString()),metadata.getProperties().get(propKey.toString())); | 
  | 92 |  |                                      } | 
  | 93 |  |                              } | 
  | 94 |  |                              else{ | 
  | 95 | 0 |                                      propValue = convertNestedData((Data)propValue, clazz.getDeclaredField(propKey.toString()),null); | 
  | 96 |  |                              } | 
  | 97 | 20 |                      }else if(metadata!=null&&propValue==null){ | 
  | 98 | 1 |                              Metadata fieldMetadata = metadata.getProperties().get(propKey.toString()); | 
  | 99 | 1 |                              if(fieldMetadata != null && fieldMetadata.getDefaultValue() != null){ | 
  | 100 | 0 |                                      propValue = fieldMetadata.getDefaultValue().get();         | 
  | 101 |  |                              } | 
  | 102 |  |                      } | 
  | 103 |  |                       | 
  | 104 |  |                               | 
  | 105 | 21 |                              if(pd.getWriteMethod() != null & propValue != null){ | 
  | 106 | 18 |                                      if(!(propValue instanceof List) && pd.getPropertyType().isAssignableFrom(List.class)){ | 
  | 107 | 0 |                                              ArrayList<Object> list = new ArrayList<Object>(1); | 
  | 108 | 0 |                                              list.add(propValue); | 
  | 109 | 0 |                                              pd.getWriteMethod().invoke(result, list); | 
  | 110 | 0 |                                      }else{ | 
  | 111 | 18 |                                              pd.getWriteMethod().invoke(result, new Object[] {propValue}); | 
  | 112 |  |                                      } | 
  | 113 |  |                      } | 
  | 114 |  |                       | 
  | 115 |  |                               | 
  | 116 | 21 |                              staticProperties.add(propKey); | 
  | 117 |  |                          } | 
  | 118 |  |                  } | 
  | 119 |  |                   | 
  | 120 |  |                   | 
  | 121 |  |                   | 
  | 122 | 2 |                  Set<Key> keySet = data.keySet(); | 
  | 123 | 2 |                  if (keySet != null && attrProperty != null){ | 
  | 124 | 1 |                          Map<String,String> attributes = new HashMap<String,String>(); | 
  | 125 | 1 |              for (Key k : keySet) { | 
  | 126 | 11 |                                  String keyString = k.toString(); | 
  | 127 |  |                                   | 
  | 128 | 11 |                                  if(metadata==null){ | 
  | 129 | 11 |                                          if (!staticProperties.contains(k) && data.get(k) != null && !keyString.startsWith("_run")){ | 
  | 130 | 2 |                                                  attributes.put((String)k.get(),data.get(k).toString()); | 
  | 131 |  |                                          } | 
  | 132 |  |                                  } | 
  | 133 |  |                                  else { | 
  | 134 | 0 |                                      if ((! staticProperties.contains(k)) && | 
  | 135 |  |                                          (null != data.get(k)) && | 
  | 136 |  |                                          (! keyString.startsWith("_run")) && | 
  | 137 |  |                                          (null != metadata.getProperties().get(keyString)) && | 
  | 138 |  |                                          (metadata.getProperties().get(keyString).isDynamic())) | 
  | 139 |  |                                      { | 
  | 140 | 0 |                                              if (data.get(k) instanceof Data){ | 
  | 141 | 0 |                                                      attributes.put((String) k.get(), convertDataValueToStringValue((Data)data.get(k))); | 
  | 142 |  |                                              } else { | 
  | 143 | 0 |                                                      attributes.put((String) k.get(), data.get(k).toString()); | 
  | 144 |  |                                              } | 
  | 145 |  |                                          } | 
  | 146 |  |                                  } | 
  | 147 | 11 |                          } | 
  | 148 | 1 |              if (attrProperty.getWriteMethod() != null) { | 
  | 149 | 1 |                  attrProperty.getWriteMethod().invoke(result, new Object[] {attributes}); | 
  | 150 |  |              } | 
  | 151 |  |                  } | 
  | 152 |  |   | 
  | 153 | 2 |                  return result; | 
  | 154 |  |          } | 
  | 155 |  |           | 
  | 156 |  |           | 
  | 157 |  |           | 
  | 158 |  |   | 
  | 159 |  |   | 
  | 160 |  |   | 
  | 161 |  |   | 
  | 162 |  |   | 
  | 163 |  |   | 
  | 164 |  |   | 
  | 165 |  |   | 
  | 166 |  |          protected Object convertNestedData(Data data, Field propField, Metadata metadata) throws Exception{ | 
  | 167 | 1 |                  Object result = null; | 
  | 168 |  |   | 
  | 169 | 1 |                  Class<?> propClass = propField.getType(); | 
  | 170 | 1 |                  if ("java.util.List".equals(propClass.getName())){ | 
  | 171 |  |                           | 
  | 172 | 1 |                          ParameterizedType propType = (ParameterizedType)propField.getGenericType(); | 
  | 173 | 1 |                          Type itemType = propType.getActualTypeArguments()[0]; | 
  | 174 |  |                           | 
  | 175 |  |                           | 
  | 176 | 1 |                          List<Object> resultList = new ArrayList<Object>(); | 
  | 177 | 1 |                          for(Iterator<Property> listIter = data.realPropertyIterator(); listIter.hasNext();){ | 
  | 178 | 1 |                                  Property listItem = listIter.next(); | 
  | 179 | 1 |                                  Object listItemValue = listItem.getValue(); | 
  | 180 | 1 |                                  if (listItemValue instanceof Data ){ | 
  | 181 | 1 |                                          Data listItemData = (Data)listItemValue; | 
  | 182 | 1 |                                          Boolean isDeleted = listItemData.query("_runtimeData/deleted"); | 
  | 183 | 1 |                                          if (isDeleted == null || !isDeleted){ | 
  | 184 | 1 |                                                  if(metadata!=null){ | 
  | 185 | 0 |                                                          listItemValue = convertFromData((Data)listItemValue, (Class<?>)itemType, metadata.getProperties().get("*")); | 
  | 186 |  |                                                  }else{ | 
  | 187 | 1 |                                                          listItemValue = convertFromData((Data)listItemValue, (Class<?>)itemType, null); | 
  | 188 |  |                                                  } | 
  | 189 | 1 |                                                  resultList.add(listItemValue); | 
  | 190 |  |                                          } | 
  | 191 | 1 |                                  } else { | 
  | 192 | 0 |                                          resultList.add(listItemValue); | 
  | 193 |  |                                  } | 
  | 194 | 1 |                          } | 
  | 195 |  |   | 
  | 196 | 1 |                          result = resultList; | 
  | 197 | 1 |                  } else { | 
  | 198 | 0 |                          result = convertFromData(data, propClass,metadata); | 
  | 199 |  |                  } | 
  | 200 |  |                   | 
  | 201 | 1 |                  return result; | 
  | 202 |  |          } | 
  | 203 |  |           | 
  | 204 |  |           | 
  | 205 |  |   | 
  | 206 |  |   | 
  | 207 |  |   | 
  | 208 |  |   | 
  | 209 |  |   | 
  | 210 |  |   | 
  | 211 |  |          protected void setDataValue(Data data, String propertyKey, Object value, Metadata metadata) throws Exception{ | 
  | 212 | 21 |                  if (isPropertyValid(value)){ | 
  | 213 | 18 |                          if (value instanceof Boolean){ | 
  | 214 | 0 |                                  data.set(propertyKey, (Boolean)value); | 
  | 215 | 18 |                          } else if (value instanceof Date){ | 
  | 216 | 1 |                                  data.set(propertyKey, (Date)value); | 
  | 217 | 17 |                          } else if (value instanceof Integer){ | 
  | 218 | 0 |                                  data.set(propertyKey, (Integer)value); | 
  | 219 | 17 |                          } else if (value instanceof Double){ | 
  | 220 | 1 |                                  data.set(propertyKey, (Double)value); | 
  | 221 | 16 |                          } else if (value instanceof Float){ | 
  | 222 | 0 |                                  data.set(propertyKey, (Float)value); | 
  | 223 | 16 |                          } else if (value instanceof Long) { | 
  | 224 | 0 |                                  data.set(propertyKey, (Long)value); | 
  | 225 | 16 |                          } else if (value instanceof Short){ | 
  | 226 | 0 |                                  data.set(propertyKey, (Short)value);                         | 
  | 227 | 16 |                          } else if (value instanceof String){ | 
  | 228 | 15 |                                  data.set(propertyKey, (String)value); | 
  | 229 | 1 |                          } else if (value instanceof Timestamp){ | 
  | 230 | 0 |                                  data.set(propertyKey, (Timestamp)value); | 
  | 231 | 1 |                          } else if (value instanceof Time){ | 
  | 232 | 0 |                                  data.set(propertyKey, (Time)value); | 
  | 233 | 1 |                          } else if (value instanceof Collection){ | 
  | 234 |  |                                   | 
  | 235 | 1 |                                  data.set(propertyKey, getCollectionData(value, null)); | 
  | 236 |  |                          } else { | 
  | 237 |  |                                   | 
  | 238 | 0 |                                  Data dataValue = convertFromBean(value, null); | 
  | 239 | 0 |                                  data.set(propertyKey, dataValue); | 
  | 240 |  |                          } | 
  | 241 |  |                  } | 
  | 242 |  |                   | 
  | 243 | 21 |          } | 
  | 244 |  |           | 
  | 245 |  |           | 
  | 246 |  |   | 
  | 247 |  |   | 
  | 248 |  |   | 
  | 249 |  |   | 
  | 250 |  |   | 
  | 251 |  |          protected void setDataAttributes(Data data, Object value, Metadata metadata) { | 
  | 252 |  |                  @SuppressWarnings("unchecked") | 
  | 253 | 1 |                  Map<String, String> attributes = (Map<String, String>)value; | 
  | 254 |  |                   | 
  | 255 | 1 |                  for (Entry<String, String> entry:attributes.entrySet()){ | 
  | 256 | 2 |                  Metadata fieldMetadata = null; | 
  | 257 | 2 |                  if (metadata != null) { | 
  | 258 | 0 |                          fieldMetadata = metadata.getProperties().get(entry.getKey()); | 
  | 259 |  |                  } else { | 
  | 260 |  |                           | 
  | 261 | 2 |                          LOG.warn("Metadata was null while processing property " + entry.getKey()); | 
  | 262 |  |                  } | 
  | 263 | 2 |                  if (fieldMetadata != null && DataType.LIST.equals(fieldMetadata.getDataType())){ | 
  | 264 | 0 |                          data.set(entry.getKey(), convertStringToDataValue(entry.getValue())); | 
  | 265 | 2 |                  } else if ("false".equals(entry.getValue())||"true".equals(entry.getValue())){ | 
  | 266 | 0 |                                  data.set(entry.getKey(), Boolean.valueOf(entry.getValue())); | 
  | 267 |  |                          }else{ | 
  | 268 | 2 |                                  data.set(entry.getKey(), entry.getValue()); | 
  | 269 |  |                          } | 
  | 270 | 2 |                  } | 
  | 271 | 1 |          } | 
  | 272 |  |   | 
  | 273 |  |           | 
  | 274 |  |   | 
  | 275 |  |   | 
  | 276 |  |   | 
  | 277 |  |   | 
  | 278 |  |   | 
  | 279 |  |          protected Data convertStringToDataValue(String stringValue) { | 
  | 280 | 0 |                  Data data = null; | 
  | 281 |  |                   | 
  | 282 | 0 |                  if (stringValue != null){ | 
  | 283 | 0 |                          data = new Data(); | 
  | 284 | 0 |                          String[] stringValues = stringValue.split(","); | 
  | 285 | 0 |                          for (String value:stringValues){ | 
  | 286 | 0 |                                  data.add(value); | 
  | 287 |  |                          } | 
  | 288 |  |                  } | 
  | 289 |  |                                   | 
  | 290 | 0 |                  return data; | 
  | 291 |  |          } | 
  | 292 |  |   | 
  | 293 |  |           | 
  | 294 |  |   | 
  | 295 |  |   | 
  | 296 |  |   | 
  | 297 |  |   | 
  | 298 |  |   | 
  | 299 |  |          protected String convertDataValueToStringValue(Data data) { | 
  | 300 | 0 |                  StringBuffer sbValue = new StringBuffer(); | 
  | 301 |  |                   | 
  | 302 | 0 |                  Iterator<Property> propertyIterator = data.realPropertyIterator(); | 
  | 303 | 0 |                  while(propertyIterator.hasNext()){ | 
  | 304 | 0 |                          Property property = propertyIterator.next(); | 
  | 305 | 0 |                          String propertyValue = property.getValue(); | 
  | 306 | 0 |                          sbValue.append(","); | 
  | 307 | 0 |                          sbValue.append(propertyValue); | 
  | 308 | 0 |                  } | 
  | 309 |  |                                   | 
  | 310 | 0 |                  if (sbValue.toString().isEmpty()){ | 
  | 311 | 0 |                          return ""; | 
  | 312 |  |                  } else { | 
  | 313 | 0 |                          return sbValue.toString().substring(1); | 
  | 314 |  |                  } | 
  | 315 |  |          } | 
  | 316 |  |   | 
  | 317 |  |           | 
  | 318 |  |   | 
  | 319 |  |   | 
  | 320 |  |   | 
  | 321 |  |   | 
  | 322 |  |   | 
  | 323 |  |          protected void setDataListValue(Data data, Object value, Metadata metadata) throws Exception{ | 
  | 324 | 1 |                  if (isPropertyValid(value)){ | 
  | 325 | 1 |                          if (value instanceof Boolean){ | 
  | 326 | 0 |                                  data.add((Boolean)value); | 
  | 327 | 1 |                          } else if (value instanceof Date){ | 
  | 328 | 0 |                                  data.add((Date)value); | 
  | 329 | 1 |                          } else if (value instanceof Integer){ | 
  | 330 | 0 |                                  data.add((Integer)value); | 
  | 331 | 1 |                          } else if (value instanceof Double){ | 
  | 332 | 0 |                                  data.add((Double)value); | 
  | 333 | 1 |                          } else if (value instanceof Float){ | 
  | 334 | 0 |                                  data.add((Float)value); | 
  | 335 | 1 |                          } else if (value instanceof Long) { | 
  | 336 | 0 |                                  data.add((Long)value); | 
  | 337 | 1 |                          } else if (value instanceof Short){ | 
  | 338 | 0 |                                  data.add((Short)value);                         | 
  | 339 | 1 |                          } else if (value instanceof String){ | 
  | 340 | 0 |                                  data.add((String)value); | 
  | 341 | 1 |                          } else if (value instanceof Timestamp){ | 
  | 342 | 0 |                                  data.add((Timestamp)value); | 
  | 343 | 1 |                          } else if (value instanceof Time){ | 
  | 344 | 0 |                                  data.add((Time)value); | 
  | 345 | 1 |                          } else if (value instanceof Collection){ | 
  | 346 |  |                                   | 
  | 347 | 0 |                                  data.add(getCollectionData(value, null)); | 
  | 348 |  |                          } else { | 
  | 349 |  |                                   | 
  | 350 | 1 |                                  Data dataValue = convertFromBean(value, null); | 
  | 351 | 1 |                                  data.add(dataValue);                         | 
  | 352 |  |                          } | 
  | 353 |  |                  } | 
  | 354 | 1 |          } | 
  | 355 |  |           | 
  | 356 |  |           | 
  | 357 |  |   | 
  | 358 |  |   | 
  | 359 |  |   | 
  | 360 |  |   | 
  | 361 |  |   | 
  | 362 |  |   | 
  | 363 |  |          protected Data getCollectionData(Object value, Metadata metadata) throws Exception{ | 
  | 364 | 1 |                  Data result = new Data(); | 
  | 365 |  |                   | 
  | 366 | 1 |                  if (value instanceof List){ | 
  | 367 | 1 |                          List<?> valueList = (List<?>)value; | 
  | 368 | 2 |                          for (int i=0;i<valueList.size();i++){ | 
  | 369 | 1 |                                  Object itemValue = valueList.get(i);  | 
  | 370 | 1 |                                  setDataListValue(result, itemValue, metadata); | 
  | 371 |  |                          } | 
  | 372 | 1 |                  } else { | 
  | 373 | 0 |                          Collection<?> valueCollection = (Collection<?>)value; | 
  | 374 | 0 |                          for (Object o:valueCollection){ | 
  | 375 | 0 |                                  setDataListValue(result, o, metadata); | 
  | 376 |  |                          } | 
  | 377 |  |                  } | 
  | 378 |  |                   | 
  | 379 | 1 |                  return result; | 
  | 380 |  |          } | 
  | 381 |  |           | 
  | 382 |  |          protected boolean isPropertyValid(Object value){ | 
  | 383 | 22 |                  boolean isValid = false; | 
  | 384 |  |                   | 
  | 385 | 22 |                  if (value != null){ | 
  | 386 | 21 |                          Class<?> clazz = value.getClass(); | 
  | 387 | 21 |                          isValid = !(clazz.isArray() || clazz.isAnnotation() || value instanceof Class); | 
  | 388 |  |                  } | 
  | 389 |  |                   | 
  | 390 | 22 |                  return isValid; | 
  | 391 |  |          } | 
  | 392 |  |  } |