/**
* Create Field instances, according to the attribute configurations inside the fieldConfig
* parameter
*
* @param strAttName the attributes name
* @param strAttValue the attributes value
* @param fieldConfig the field configuration. Here you can specify whether a specific field
* should be analyzed, etc. You can also set default values.
* @return the field, with Store, Index and TermVector configuration as given in fieldConfig. Null
* in the case the field could'nt generated
*/
public static AbstractField createField(
String strAttName, String strAttValue, FieldConfig fieldConfig) {
// Der Store
Store store = fieldConfig.defaultFieldMapping.store;
FieldMapping fieldMapping4Att = fieldConfig.hsFieldName2FieldMapping.get(strAttName);
Index index = fieldMapping4Att != null ? fieldMapping4Att.index : null;
if (index == null) index = fieldConfig.defaultFieldMapping.index;
TermVector termVector = fieldMapping4Att != null ? fieldMapping4Att.termVector : null;
if (termVector == null) termVector = fieldConfig.defaultFieldMapping.termVector;
// welches Field erzeugt wird, steht ebenfalls in der config
FieldType fieldType = fieldMapping4Att != null ? fieldMapping4Att.fieldType : null;
if (fieldType == null) fieldType = fieldConfig.defaultFieldMapping.fieldType;
AbstractField newField = null;
if (strAttValue == null) strAttValue = "";
if (FieldType.STRING.equals(fieldType)) {
newField = new Field(strAttName, strAttValue, store, index, termVector);
} else if (StringUtils.nullOrWhitespace(strAttValue)) {
// wir können keine leeren numericValues eintragen - wir probieren, ob man string und number
// mit einem attributnamen mischen kann^^
// scheint zu gehen
// wenn das value leer ist und wir ein numerisches Field haben, dann indexieren wir dieses
// value nicht - ansonsten gibt es
// Probleme beim Sortieren nach diesem numerischen Field
newField = new Field(strAttName, strAttValue, store, Index.NO, TermVector.NO);
} else if (m_llNumberTypes.contains(fieldType)) {
boolean bIndex = false;
if (index == Index.ANALYZED || index == Index.ANALYZED_NO_NORMS) bIndex = true;
newField = new NumericField(strAttName, store, bIndex);
if (FieldType.INTEGER.equals(fieldType))
((NumericField) newField).setIntValue(Integer.parseInt(strAttValue));
else if (FieldType.LONG.equals(fieldType))
((NumericField) newField).setLongValue(Long.parseLong(strAttValue));
else if (FieldType.FLOAT.equals(fieldType))
((NumericField) newField).setFloatValue(Float.parseFloat(strAttValue));
else if (FieldType.DOUBLE.equals(fieldType))
((NumericField) newField).setDoubleValue(Double.parseDouble(strAttValue));
} else if (FieldType.DATE.equals(fieldType)) {
boolean bIndex = false;
if (index == Index.ANALYZED || index == Index.ANALYZED_NO_NORMS) bIndex = true;
newField = new NumericField(strAttName, store, bIndex);
Date parsedDate = DateParser.parseDateString(strAttValue);
if (parsedDate == null) {
return null;
}
((NumericField) newField).setLongValue(DateUtils.date2Number(parsedDate));
} else if (FieldType.TIME.equals(fieldType)) {
boolean bIndex = false;
if (index == Index.ANALYZED || index == Index.ANALYZED_NO_NORMS) bIndex = true;
newField = new NumericField(strAttName, store, bIndex);
Date parsedDate = DateParser.parseDateString(strAttValue);
((NumericField) newField)
.setIntValue(Integer.parseInt(new SimpleDateFormat("HHmmssSSS").format(parsedDate)));
}
return newField;
}
