/***********************************************************
 Copyright (C) 2004 VeriSign, Inc.

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-0107  USA

 http://www.verisign.com/nds/naming/namestore/techdocs.html
 ***********************************************************/
package com.verisign.epp.codec.change.util;

import java.util.List;

import com.verisign.epp.codec.gen.EPPDecodeException;
import com.verisign.epp.codec.gen.EPPEncodeException;

/**
 * Utility class to facilitate error handling.
 * @author jcolosi
 */
public class ExceptionUtil {

  static public void assertForDecode(List list, String name)
      throws EPPDecodeException {
    if (list == null || list.size() < 1) ExceptionUtil.missingDuringDecode(name);
  }

  static public void assertForDecode(Object attr, String name)
      throws EPPDecodeException {
    if (attr == null) ExceptionUtil.missingDuringDecode(name);
  }

  static public void assertForEncode(List list, String name)
      throws EPPEncodeException {
    if (list == null || list.size() < 1) ExceptionUtil.missingDuringEncode(name);
  }

  static public void assertForEncode(Object attr, String name)
      throws EPPEncodeException {
    if (attr == null) ExceptionUtil.missingDuringEncode(name);
  }

  static private void missingDuringDecode(String element) throws EPPDecodeException {
    throw new EPPDecodeException("Missing required element: \"" + element + "\"");
  }

  static private void missingDuringEncode(String element) throws EPPEncodeException {
    throw new EPPEncodeException("Missing required element: \"" + element + "\"");
  }

  static public void sleepIgnoreException(long time) {
    try {
      Thread.sleep(time);
    } catch (InterruptedException x) {}
  }

}
