import java.util.*;

/**
 *  This type represents a Answer from an faq style chunk of
 *  text. The question and answer form an item. 
 *
 *  @author http://bumble.sf.net
 *  @See Answer, FAQ, etc
 */
 
  
public class Answer extends Object
{
  //--------------------------------------------
  private static String NEWLINE = System.getProperty("line.separator");
  //--------------------------------------------
  /** the text of the Answer */
  private String contents;  
  //--------------------------------------------
  public static String TERMINATOR = "";
  //--------------------------------------------
  public static String INDICATOR = "a:";
  //--------------------------------------------
  private boolean isGood;
  //--------------------------------------------
  

  //--------------------------------------------
  public Answer()
  {
    this.contents = "";  
  }

  //--------------------------------------------
  /** construct with some text */
  public Answer(String sText)
  {
    this();
    this.loadData(sText);
  } 


  //--------------------------------------------
  /** load data from text */
  public void loadData(String sText)
  {
    this.isGood = this.isAnswer(sText);
    if (!this.isGood)
    {
      return;
    }

    if (sText.trim().startsWith(Answer.INDICATOR))
    {
      this.contents =
       sText.trim().substring(Answer.INDICATOR.length());
    }
    else
    {
      this.contents = sText;
    }

  } 

  //--------------------------------------------
  public String getContents()
  {
    return this.contents;
  }

  //--------------------------------------------
  public void setContents(String sContents)
  {
    this.contents = sContents;
  }

  //--------------------------------------------
  /** checks if this looks like a Answer, but an answer
   *  will be whatever is left over  */
  public static boolean isAnswer(String sText)
  {
    /*
    if (sText.trim().length() == 0)
     { return false; }

    if (!sText.trim().startsWith(Answer.INDICATOR))
      { return false; }

    if (!sText.trim().endsWith(Answer.TERMINATOR))
      { return false; }
    */

    return true;
  }

  //--------------------------------------------
  public String toString()
  {
    StringBuffer sbReturn = new StringBuffer("");
    sbReturn.append(Answer.INDICATOR);
    sbReturn.append(this.contents);
    sbReturn.append(Answer.TERMINATOR);
    return sbReturn.toString();
  }

  //--------------------------------------------
  public String printReport()
  {
    StringBuffer sbReturn = new StringBuffer("");
    sbReturn.append("Answer Indicator :");
    sbReturn.append(Answer.INDICATOR);
    sbReturn.append(NEWLINE);
    sbReturn.append("Answer Terminator:");
    sbReturn.append(Answer.TERMINATOR);
    sbReturn.append(NEWLINE);
    sbReturn.append("Answer contents:");
    sbReturn.append(this.contents);
    sbReturn.append(NEWLINE);
    return sbReturn.toString();
  }

  //--------------------------------------------
  public String printHtml()
  {
    StringBuffer sbReturn = new StringBuffer("");
    sbReturn.append("<dd>");
    sbReturn.append(Answer.INDICATOR);
    sbReturn.append(this.contents);
    sbReturn.append(Answer.TERMINATOR);
    sbReturn.append("</dd>");
    return sbReturn.toString();
  }

  //--------------------------------------------
  public String print()
  {
    StringBuffer sbReturn = new StringBuffer("");
    return this.toString();
  }

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

    StringBuffer sbMessage = new StringBuffer("");


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

    Answer rTest = new Answer(args[0]);

    System.out.println(rTest.printHtml());
    System.out.println(NEWLINE);
    System.out.println(rTest.toString());
    System.out.println(NEWLINE);
    System.out.println(rTest.printReport());

 
  } //-- main()
  
} //-- Answer class