package org.bigk.invoices.utils;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.lang.math.NumberUtils;
import org.apache.struts2.ServletActionContext;
import org.displaytag.util.ParamEncoder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DisplayTagUtils {
private static final Logger logger = LoggerFactory.getLogger(DisplayTagUtils.class);
private DisplayTagUtils() {
}
public static int getCurrentPage4Id(String idParam) {
if (logger.isDebugEnabled()) {
logger.debug("getCurrentPage4Id(String idParam=" + idParam + ") - start");
}
ParamEncoder encoder = new ParamEncoder(idParam);
String encodedParam = encoder.encodeParameterName("p");
if (logger.isDebugEnabled()) {
logger.debug("getCurrentPage4Id(String) - encodedParam=" + encodedParam);
}
HttpServletRequest request = ServletActionContext.getRequest();
String currentPageStr = request.getParameter(encodedParam);
if (logger.isDebugEnabled()) {
logger.debug("getCurrentPage4Id(String) - currentPageStr=" + currentPageStr);
}
int currentPageInt = NumberUtils.toInt(currentPageStr, 1);
if (logger.isDebugEnabled()) {
logger.debug("getCurrentPage4Id(String) - end - return value=" + currentPageInt);
}
return currentPageInt;
}
}