Форум программистов [Powered by Invision Power Board]

Код


/**
 * Class contains different utils functions for work with strings, string arrays, lists
 * @author Oleksii.Zozulenko
 * <b>Create data</b> 04/18/2008
 */
public class StringUtils
{
    /**
     * Function convert string to arraylist use separator for partition
     * @param String sValue
     * @param String sSep
     * @return ArrayList<String> lsOutList
     * @throws Exception
     */
    public static ArrayList<String> StrToList(String sValue, String sSep) throws Exception
    {
        ArrayList<String> lsOutList = new ArrayList<String>();
        
        try
        {
            int iSep = 0;
            
            while (iSep < sValue.length())
            {
                iSep = sValue.indexOf(sSep);
                lsOutList.add(sValue.substring(0, iSep));
                sValue = sValue.replace(sValue.substring(0, sValue.indexOf(sSep) + sSep.length()), "");
            }
            
            if (sValue.length() != 0)
            {
                lsOutList.add(sValue);
            }
            
            return lsOutList;
        }
        catch (Exception oExc)
        {
            throw oExc;
        }
    }
    
    /**
     * Function convert arraylist to string used separator between arraylist nodes in string
     * @param ArrayList<String> lsValueList
     * @param String sSep
     * @return String sOutStr
     * @throws Exception
     */
    public static String ListToStr(ArrayList<String> lsValueList, String sSep) throws Exception
    {
        String sOutStr = "";
        
        try
        {
            for (int i = 0; i <  lsValueList.size(); i++)
            {
                sOutStr = sOutStr.concat(lsValueList.get(i) + sSep);
            }
            
            return sOutStr;
        }
        catch (Exception oExc)
        {
            throw oExc;
        }
    }
    
    /**
     * Function convert array to string use separator between array values in string
     * @param String [] lsValueList
     * @param String  sSep
     * @return String  sOutStr
     * @throws Exception
     */
    public static String ArrayToStr(String [] lsValueList, String sSep) throws Exception 
    {
        String  sOutStr = "";
        
        try
        {
            for (int i = 0; i <  lsValueList.length; i++)
            {
                sOutStr = sOutStr.concat(lsValueList[i] + sSep);
            }            
            
            return sOutStr;
        }
        catch (Exception oExc)
        {
            throw oExc;
        }
    }
    
    /**
     * Function convert arraylist to array
     * @param ArrayList<Object> lsInList
     * @return Object [] lsObjects
     * @throws Exception
     */
    public static Object [] ListToArray(ArrayList<Object> lsInList) throws Exception
    {
        Object [] lsObjects = null;
        
        try
        {
            lsObjects = new Object[lsInList.size()];
            
            for (int i = 0; i < lsInList.size(); i++)
            {
                lsObjects[i] = lsInList.get(i);
            }
            
            return lsObjects;
        }
        catch (Exception oExc)
        {
            throw oExc;
        }
    }
    
    /**
     * Function reverse string
     * @param String sTarget
     * @return String sRevStr
     * @throws Exception
     */
    @SuppressWarnings("static-access")
    public static String StrReverse(String sTarget) throws Exception
    {
        String sRevStr = "";
        
        try
        {
            for (int i = sTarget.length(); i < 0; i--)
            {
                sRevStr = sRevStr.concat(sTarget.valueOf(i));
            }
            return sRevStr;
        }
        catch (Exception oExc)
        {
            throw oExc;
        }
    }

}