How to use

urlDecode

method

in

com.helger.commons.url.URLHelper

 @Override
 @Nonnull
 protected IReadableResource getResource (@Nonnull final IRequestWebScopeWithoutResponse aRequestScope,
                      @Nonnull final String sFilename)
 {
  // URL decode is required because requests contain e.g. "%20"
  final String sFilename1 = URLHelper.urlDecode (sFilename);

  return new ClassPathResource (sFilename1);
 }
}

/**
 * Get the user data object matching the passed request and filename
 *
 * @param aRequestScope
 *        HTTP request
 * @param sFilename
 *        Filename as extracted from the URL
 * @return Never <code>null</code>.
 */
@Nonnull
@OverrideOnDemand
protected UserDataObject getUserDataObject (@Nonnull final IRequestWebScopeWithoutResponse aRequestScope,
                      @Nonnull final String sFilename)
{
 // URL decode is required because requests contain e.g. "%20"
 final String sFilename1 = URLHelper.urlDecode (sFilename);
 return new UserDataObject (sFilename1);
}

@Override
@OverridingMethodsMustInvokeSuper
public EContinue initRequestState (@Nonnull final IRequestWebScopeWithoutResponse aRequestScope,
                  @Nonnull final UnifiedResponse aUnifiedResponse)
{
 // cut the leading "/"
 final String sFilename = URLHelper.urlDecode (aRequestScope.getPathWithinServlet ());
 if (StringHelper.hasNoText (sFilename) ||
   !isValidFilenameAccordingToTheRules (sFilename) ||
   isPossibleDirectoryTraversalRequest (sFilename))
 {
  // Send the same error code as if it is simply not found to confuse
  // attackers :)
  LOGGER.warn ("Illegal delivery request '" + sFilename + "'");
  aUnifiedResponse.setStatus (HttpServletResponse.SC_NOT_FOUND);
  return EContinue.BREAK;
 }
 // Filename seems to be safe
 aRequestScope.attrs ().putIn (REQUEST_ATTR_OBJECT_DELIVERY_FILENAME, sFilename);
 return EContinue.CONTINUE;
}

final String sDocumentTypeID = URLHelper.urlDecode (sHref.substring (nIndex + URL_PART_SERVICES.length ()),
                          StandardCharsets.UTF_8);
final IDocumentTypeIdentifier aDocTypeID = aIdentifierFactory.parseDocumentTypeIdentifier (sDocumentTypeID);

final String sDocumentTypeID = URLHelper.urlDecode (sHref.substring (nIndex + URL_PART_SERVICES.length ()),
                          StandardCharsets.UTF_8);
final IDocumentTypeIdentifier aDocTypeID = aIdentifierFactory.parseDocumentTypeIdentifier (sDocumentTypeID);