/**
* Returns a combined modifier with substring and regex modifications. the substring modifier will
* be applied before the regex modifier during import.
*
* @return an ImportValueModifier that applies substring and regex modifications.
*/
public ImportValueModifier getModifier() {
ValueFilter filter = new ValueFilter();
if (substring.getSize() > 0) filter.addColumnModifier(substring);
if (regex.getSize() > 0) filter.addColumnModifier(regex);
if (filter.getSize() > 0) {
return filter;
}
return null;
}
private void parseRegex(String parameterValue) {
if (parameterValue == null) return;
List<String> entries = StringUtil.stringToList(parameterValue, ",", true, true, false);
if (entries.isEmpty()) return;
for (String entry : entries) {
String[] parts = entry.split("=");
if (parts.length == 2 && parts[0] != null && parts[1] != null) {
ColumnIdentifier col = new ColumnIdentifier(parts[0]);
String[] limits = parts[1].split(":");
String expression = null;
String replacement = "";
if (limits.length == 1) {
expression = limits[0].trim();
} else if (limits.length == 2) {
expression = limits[0].trim();
replacement = limits[1].trim();
}
regex.addDefinition(col, expression, replacement);
}
}
}