package org.bigk.invoices.converters;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import java.util.regex.Pattern;
import org.apache.commons.lang.StringUtils;
import org.apache.struts2.util.StrutsTypeConverter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.conversion.TypeConversionException;
public abstract class DateConverter extends StrutsTypeConverter {
public static final Logger logger = LoggerFactory.getLogger(DateConverter.class);
@SuppressWarnings("rawtypes")
@Override
public Object convertFromString(Map map, String[] as, Class class1) {
if (logger.isDebugEnabled()) {
logger.debug("convertFromString(Map map=" + map + ", String[] as=" + as + ", Class class1=" + class1 + ") - start");
}
if (as == null || as.length != 1)
return performFallbackConversion(map, as, class1);
Date res = null;
String mask = null;
if (StringUtils.isNotEmpty(as[0])) {
try {
ActionSupport action =
(ActionSupport) ActionContext.getContext().getActionInvocation().getAction();
// najpierw RegEx
String regEx = this.getRegEx(action);
if (StringUtils.isNotEmpty(regEx)) {
if (!Pattern.matches(regEx, as[0])) {
logger.warn("convertFromString(Map, String[], Class) - " + as[0] + " nie pasuje do RegEx-a:: " + regEx);
throw new TypeConversionException(as[0] + " nie pasuje do RegEx-a:: " + regEx);
}
}
mask = this.getMask(action);
DateFormat df = new SimpleDateFormat(mask);
res = df.parse(as[0]);
if (logger.isDebugEnabled())
logger.debug("convertFromString(Map, String[], Class) - " + as[0] + " -> " + res);
} catch (ParseException ex) {
logger.warn("convertFromString(Map, String[], Class) - " + as[0] + ", mask: " + mask);
throw new TypeConversionException("No nie da sie tego przekonwertowac ciolku!", ex);
}
}
if (logger.isDebugEnabled()) {
logger.debug("convertFromString(Map, String[], Class) - end - return value=" + res);
}
return res;
}
@SuppressWarnings("rawtypes")
@Override
public String convertToString(Map map, Object obj) {
if (logger.isDebugEnabled()) {
logger.debug("convertToString(Map map=" + map + ", Object obj=" + obj + ") - start");
}
String res = obj != null ? obj.toString() : StringUtils.EMPTY;
if (obj != null && obj instanceof Date) {
ActionSupport action =
(ActionSupport) ActionContext.getContext().getActionInvocation().getAction();
String mask = this.getMask(action);
DateFormat df = new SimpleDateFormat(mask);
res = df.format((Date) obj);
}
if (logger.isDebugEnabled()) {
logger.debug("convertToString(Map, Object) - end - return value=" + res);
}
return res;
}
protected abstract String getMask(ActionSupport action);
protected String getRegEx(ActionSupport action) {
return null;
}
}