import java.util.*;

/**
 *  Provides one or two static methods to put some
 *  semantic sugar on the meal of dealing with text
 *  which may or may not have quote characters
 *  surrounding it. 
 *
 *  @author http://bumble.sf.net
 *  @see TextTool
 */
 
  
public class QuoteText extends Object
{
  //--------------------------------------------
  private static String NEWLINE = System.getProperty("line.separator");
  //--------------------------------------------
  private String text;  
  

  //--------------------------------------------
  public QuoteText()
  {
    this.text = "";
  }

  //--------------------------------------------
  public QuoteText(String sText)
  {
    this.text = sText;
  } 

  //--------------------------------------------
  /** determines if a character is a quote */
  public static boolean isQuote(char cTest)
  {
    char cSingleQuote = '\'';
    char cDoubleQuote = '"';

    if ((cTest == cSingleQuote) || (cTest == cDoubleQuote))
     { return true; }
    else
     { return false; }
  }
  //--------------------------------------------
  /** removes the quotes from around a string, or
   *  nothing if there arent any */
  public static String popQuotes(String sText)
  {
    String sReturn;

    if (!QuoteText.isQuoted(sText))
    {
      return sText;
    }

    sReturn = sText.trim().substring(1, sText.trim().length() - 1);
    return sReturn;

  } //-- method: popQuotes

  //--------------------------------------------
  /** determines if some text has quotes around it ignoring
   *  leading and trailing space. The quotes do not have
   *  to match */
  public static boolean isQuoted(String sText)
  {
    char cFirst;
    char cLast;

    if (sText.trim().length() < 2)
    {
      return false;
    }

    cFirst = sText.trim().charAt(0);

    if (!QuoteText.isQuote(cFirst))
    {
      return false;
    }

    cLast = sText.trim().charAt(sText.trim().length() - 1);

    if (!QuoteText.isQuote(cLast))
    {
      return false;
    }

    return true;

  } //-- method: isQuoted

  //--------------------------------------------
  /** determines if some text has quotes around it ignoring
   *  leading and trailing space. The quotes do have
   *  to match */
  public static boolean isQuotedStrict(String sText)
  {
    char cFirst;
    char cLast;

    if (sText.trim().length() < 2)
    {
      return false;
    }

    cFirst = sText.trim().charAt(0);

    if (!QuoteText.isQuote(cFirst))
    {
      return false;
    }

    cLast = sText.trim().charAt(sText.trim().length() - 1);

    if (!QuoteText.isQuote(cLast))
    {
      return false;
    }

    if (cFirst != cLast)
    {
      return false;
    }

    return true;

  } //-- method: isQuotedStrict


  //--------------------------------------------
  /** a main method for testing */
  public static void main(String[] args) throws Exception
  {
    
    StringBuffer sbUsageMessage = new StringBuffer("");
    sbUsageMessage.append("test usage: java TextTool text");
    sbUsageMessage.append(NEWLINE);

    StringBuffer sbMessage = new StringBuffer("");


    if (args.length == 0)
    {	    
      System.out.println(sbUsageMessage);
      System.exit(-1);
    }

    String[] ssTest = {"why", "Here", "now", "NO"};
    String sCheck = args[0];
        
    System.out.println("Using list:");
    for (int ii = 0; ii < ssTest.length; ii++)
    {
      System.out.print(ssTest[ii] + ", ");
    }

    System.out.println("");
    System.out.println("Test String: " + sCheck);
                                         
    System.out.print(".isQuoted()       >");
    System.out.println(QuoteText.isQuoted(sCheck));
    System.out.print(".isQuotedStrict() >");
    System.out.println(QuoteText.isQuotedStrict(sCheck));
    System.out.print(".popQuotes()      >");
    System.out.println(QuoteText.popQuotes(sCheck));
 
  } //-- main()
  
} //-- QuoteText class