| 1 |  |  package org.kuali.student.core.assembly.transform; | 
  | 2 |  |   | 
  | 3 |  |  import java.util.ArrayList; | 
  | 4 |  |  import java.util.HashMap; | 
  | 5 |  |  import java.util.List; | 
  | 6 |  |  import java.util.Map; | 
  | 7 |  |   | 
  | 8 |  |  import org.apache.log4j.Logger; | 
  | 9 |  |  import org.kuali.student.core.assembly.data.Data; | 
  | 10 |  |  import org.kuali.student.core.assembly.data.Metadata; | 
  | 11 |  |  import org.kuali.student.core.assembly.dictionary.MetadataServiceImpl; | 
  | 12 |  |  import org.kuali.student.core.dto.DtoConstants; | 
  | 13 |  |   | 
  | 14 | 0 |  public class TransformationManager { | 
  | 15 | 0 |          final Logger LOG = Logger.getLogger(TransformationManager.class); | 
  | 16 |  |   | 
  | 17 |  |          private MetadataServiceImpl metadataService; | 
  | 18 | 0 |          private DataBeanMapper mapper = new DefaultDataBeanMapper(); | 
  | 19 | 0 |          private List<TransformFilter> filterList = new ArrayList<TransformFilter>(); | 
  | 20 |  |   | 
  | 21 | 0 |      private static ThreadLocal<Metadata> metadataCache = new ThreadLocal<Metadata>(); | 
  | 22 |  |   | 
  | 23 |  |           | 
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  | 31 |  |   | 
  | 32 |  |          public Data transform(Object value) throws Exception{ | 
  | 33 | 0 |                  applyOutboundFilters(value.getClass().getName(), value, new HashMap<String,Object>()); | 
  | 34 | 0 |                  Data dataValue = mapper.convertFromBean(value); | 
  | 35 | 0 |                  applyOutboundFilters(value.getClass().getName(), dataValue, new HashMap<String,Object>()); | 
  | 36 |  |   | 
  | 37 | 0 |                  return dataValue; | 
  | 38 |  |          } | 
  | 39 |  |   | 
  | 40 |  |          public Data transform(Object value, Map<String,Object> filterProperties) throws Exception{ | 
  | 41 | 0 |                  applyOutboundFilters(value.getClass().getName(), value, filterProperties); | 
  | 42 | 0 |                  Data dataValue = mapper.convertFromBean(value); | 
  | 43 | 0 |                  applyOutboundFilters(value.getClass().getName(), dataValue, filterProperties); | 
  | 44 |  |   | 
  | 45 | 0 |                  return dataValue; | 
  | 46 |  |          } | 
  | 47 |  |   | 
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  | 49 |  |           | 
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  | 58 |  |          public Object transform(Data value, Class<?> clazz) throws Exception{ | 
  | 59 | 0 |                  Metadata metadata = null; | 
  | 60 | 0 |                  metadata = (metadata != null ? metadata:getMetadata(clazz.getName(), new HashMap<String,Object>())); | 
  | 61 | 0 |                  applyInboundFilters(clazz.getName(), value, new HashMap<String,Object>(),metadata); | 
  | 62 | 0 |                  Object dtoValue = mapper.convertFromData(value, clazz,metadata); | 
  | 63 | 0 |                  applyInboundFilters(clazz.getName(), dtoValue, new HashMap<String,Object>(),metadata); | 
  | 64 |  |   | 
  | 65 | 0 |                  return dtoValue; | 
  | 66 |  |          } | 
  | 67 |  |   | 
  | 68 |  |           | 
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  | 78 |  |          public Object transform(Data value, Class<?> clazz, Map<String,Object> filterProperties) throws Exception{ | 
  | 79 | 0 |                  Metadata metadata = null; | 
  | 80 | 0 |                  metadata = (metadata != null ? metadata:getMetadata(clazz.getName(), filterProperties)); | 
  | 81 | 0 |          metadataCache.set(metadata); | 
  | 82 | 0 |                  applyInboundFilters(clazz.getName(), value, filterProperties,metadata); | 
  | 83 | 0 |                  Object dtoValue = mapper.convertFromData(value, clazz,metadata); | 
  | 84 | 0 |                  applyInboundFilters(clazz.getName(), dtoValue, filterProperties,metadata); | 
  | 85 | 0 |                  return dtoValue; | 
  | 86 |  |          } | 
  | 87 |  |   | 
  | 88 |  |           | 
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  | 94 |  |   | 
  | 95 |  |   | 
  | 96 |  |          public void applyInboundFilters(String dtoName, Object value, Map<String,Object> properties, Metadata metadata) throws Exception{ | 
  | 97 | 0 |                  for (TransformFilter filter:filterList){ | 
  | 98 | 0 |                          if (filter.getType().isInstance(value)){ | 
  | 99 | 0 |                                  if (filter instanceof AbstractDataFilter) { | 
  | 100 | 0 |                                          ((AbstractDataFilter)filter).applyInboundDataFilter((Data)value, metadata, properties); | 
  | 101 |  |                                  } else { | 
  | 102 | 0 |                                          ((AbstractDTOFilter)filter).applyInboundDtoFilter(value, properties); | 
  | 103 |  |                                  } | 
  | 104 | 0 |                                  LOG.info(filter.getClass().getName() + ": Filter Applied"); | 
  | 105 |  |                          } | 
  | 106 |  |                  } | 
  | 107 | 0 |          } | 
  | 108 |  |   | 
  | 109 |  |           | 
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  | 115 |  |   | 
  | 116 |  |   | 
  | 117 |  |          public void applyOutboundFilters(String dtoName, Object value, Map<String,Object> properties) throws Exception{ | 
  | 118 | 0 |                  Metadata metadata = metadataCache.get(); | 
  | 119 |  |   | 
  | 120 | 0 |                  for (TransformFilter filter:filterList){ | 
  | 121 | 0 |                          if (filter.getType().isInstance(value)){ | 
  | 122 | 0 |                                  if (filter instanceof AbstractDataFilter) { | 
  | 123 | 0 |                                          metadata = (metadata != null ? metadata:getMetadata(dtoName, properties)); | 
  | 124 | 0 |                                          ((AbstractDataFilter)filter).applyOutboundDataFilter((Data)value, metadata, properties); | 
  | 125 |  |                                  } else { | 
  | 126 | 0 |                                          ((AbstractDTOFilter)filter).applyOutboundDtoFilter(value, properties); | 
  | 127 |  |                                  } | 
  | 128 | 0 |                                  LOG.info(filter.getClass().getName() + ": Filter Applied"); | 
  | 129 |  |                          } | 
  | 130 |  |                  } | 
  | 131 | 0 |          } | 
  | 132 |  |   | 
  | 133 |  |          public Metadata getMetadata(String dtoName, Map<String,Object> filterProperties){ | 
  | 134 | 0 |                  String state = (String)filterProperties.get(DtoConstants.DTO_STATE); | 
  | 135 | 0 |                  String nextState = (String)filterProperties.get(DtoConstants.DTO_NEXT_STATE); | 
  | 136 |  |   | 
  | 137 | 0 |                  Metadata metadata = metadataService.getMetadata(dtoName, null, state, nextState); | 
  | 138 |  |   | 
  | 139 | 0 |                  applyMetadataFilters(dtoName, metadata, filterProperties); | 
  | 140 | 0 |                  return metadata; | 
  | 141 |  |          } | 
  | 142 |  |   | 
  | 143 |  |          public void applyMetadataFilters(String dtoName, Metadata metadata, Map<String, Object> filterProperties){ | 
  | 144 | 0 |                  for (TransformFilter filter:filterList){ | 
  | 145 | 0 |                          if (filter instanceof MetadataFilter){ | 
  | 146 | 0 |                                  ((MetadataFilter) filter).applyMetadataFilter(dtoName, metadata, filterProperties); | 
  | 147 |  |                          } | 
  | 148 |  |                  } | 
  | 149 | 0 |          } | 
  | 150 |  |   | 
  | 151 |  |          public Metadata getUnfilteredMetadata(String dtoName){ | 
  | 152 | 0 |                  Metadata metadata = metadataService.getMetadata(dtoName); | 
  | 153 | 0 |                  return metadata; | 
  | 154 |  |          } | 
  | 155 |  |   | 
  | 156 |  |          public void setMetadataService(MetadataServiceImpl metadataService) { | 
  | 157 | 0 |                  this.metadataService = metadataService; | 
  | 158 | 0 |          } | 
  | 159 |  |   | 
  | 160 |  |          public void addFilter(TransformFilter filter){ | 
  | 161 | 0 |                  filterList.add(filter); | 
  | 162 | 0 |          } | 
  | 163 |  |   | 
  | 164 |  |          public void setFilters(List<TransformFilter> filters){ | 
  | 165 | 0 |                  filterList.addAll(filters); | 
  | 166 | 0 |          } | 
  | 167 |  |           | 
  | 168 |  |          public void removeFilter(TransformFilter filter){ | 
  | 169 | 0 |                  filterList.remove(filter); | 
  | 170 | 0 |          } | 
  | 171 |  |  } |