org.supercsv.ext.cellprocessor.joda.FutureJoda Maven / Gradle / Ivy
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CSVのJavaライブラリであるSuperCSVに、アノテーション機能を追加したライブラリです。
package org.supercsv.ext.cellprocessor.joda;
import java.util.HashMap;
import java.util.Map;
import org.joda.time.ReadablePartial;
import org.joda.time.format.DateTimeFormatter;
import org.supercsv.cellprocessor.CellProcessorAdaptor;
import org.supercsv.cellprocessor.ift.CellProcessor;
import org.supercsv.cellprocessor.ift.DateCellProcessor;
import org.supercsv.exception.SuperCsvCellProcessorException;
import org.supercsv.exception.SuperCsvConstraintViolationException;
import org.supercsv.ext.cellprocessor.ift.ValidationCellProcessor;
import org.supercsv.util.CsvContext;
/**
*
* @since 1.2
* @author T.TSUCHIE
*
*/
public class FutureJoda
extends CellProcessorAdaptor implements DateCellProcessor, ValidationCellProcessor {
private final T min;
private DateTimeFormatter formatter;
public FutureJoda(final T min) {
super();
checkPreconditions(min);
this.min = min;
}
public FutureJoda(final T min, final CellProcessor next) {
super(next);
checkPreconditions(min);
this.min = min;
}
private static void checkPreconditions(final T min) {
if(min == null) {
throw new NullPointerException("min should not be null");
}
}
@SuppressWarnings("unchecked")
@Override
public Object execute(final Object value, final CsvContext context) {
validateInputNotNull(value, context);
final Class> exepectedClass = getMin().getClass();
if(!exepectedClass.isAssignableFrom(value.getClass())) {
throw new SuperCsvCellProcessorException(exepectedClass, value, context, this);
}
final T result = (T) value;
if(result.compareTo(min) < 0) {
throw new SuperCsvConstraintViolationException(
String.format("%s does not lie the min (%s) values (inclusive)", result, min),
context, this);
}
return next.execute(result, context);
}
@Override
public Map getMessageVariable() {
final Map vars = new HashMap();
vars.put("min", getMin());
return vars;
}
@Override
public String formatValue(final Object value) {
if(value == null) {
return "";
}
if(value instanceof ReadablePartial) {
final ReadablePartial rp = (ReadablePartial) value;
if(getFormatter() != null) {
return getFormatter().print(rp);
}
}
return value.toString();
}
/**
* the value for minimum.
* @return
*/
public T getMin() {
return min;
}
public DateTimeFormatter getFormatter() {
return formatter;
}
public void setFormatter(DateTimeFormatter formatter) {
this.formatter = formatter;
}
}