处理oracle数据

/**
 *
 */
package com.huawei.widget.util;
import java.math.BigDecimal;
/**
 * @author tanjixuan
 * @since 2008-12-20
 *
 */
public final class DatabaseUtil
{
 // oracle转义字符
 public static final char ORACLE_ESCAPE_CHAR = '\\';
 // oracle特殊字符定义，用于转义。以“|”字符分割
 public static final String ORACLE_SPACIAL_CHAR = "|%|_|" + ORACLE_ESCAPE_CHAR + "|";
 // 不允许实例化
 private DatabaseUtil()
 {
 }
 static public String toEscape(String data)
 {
  if (null == data || "".equals(data.trim()))
  {
   return data;
  }
  int len = data.length();
  StringBuilder escapeStrBuild = new StringBuilder();
  char singleChar;
  for (int index = 0; index < len; index++)
  {
   singleChar = data.charAt(index);
   if (ORACLE_SPACIAL_CHAR.indexOf(singleChar) > -1)
   {
    escapeStrBuild.append(ORACLE_ESCAPE_CHAR).append(singleChar);
   }
   else
   {
    escapeStrBuild.append(singleChar);
   }
  }
  // 处理oracle的字符串特殊字符了。
  String escapeStr = escapeStrBuild.toString().replace("'", "''");
  return escapeStr;
 }
 
 static public String toOracleString(String data)
 {
  if (null == data || "".equals(data.trim()))
  {
   return data;
  }
  // 处理oracle的字符串特殊字符了。
  String escapeStr = data.replace("'", "''");
  return escapeStr;
 }
 
 static public Long toLong(BigDecimal data)
 {
  Long resultLong = 0L;
  if (null != data)
  {
   resultLong = data.longValue();
 &