package us.k5n.ical;import java.util.Calendar;/**  * iCal Description class -  * This object represents a description and  * corresponds to the DESCRIPTION iCal property.  * @version $Id$  * @author Craig Knudsen, craig@k5n.us  */public class Description extends Property{  /** Alternate representation URI */  public String altrep = null;  /** Language specification */  public String language = null;  /**    * Constructor    */  public Description ()  {    super ( "DESCRIPTION", "" );  }  /**    * Constructor    * @param icalStr	One or more lines of iCal that specifies    *			an event/todo description    */  public Description ( String icalStr )    throws ParseException  {    this ( icalStr, PARSE_LOOSE );  }  /**    * Constructor    * @param icalStr	One or more lines of iCal that specifies    *			an event/todo description    * @param parseMode	PARSE_STRICT or PARSE_LOOSE    */  public Description ( String icalStr, int parseMode )    throws ParseException  {    super ( icalStr, parseMode );    for ( int i = 0; i < attributeList.size(); i++ ) {      Attribute a = attributeAt ( i );      String aval = a.value.toUpperCase();      if ( a.name.equals ( "ALTREP" ) ) {        // Can only have one of these        if ( altrep != null && parseMode == PARSE_STRICT ) {          throw new ParseException ( "More than one ALTREP found", icalStr );        }        altrep = a.value;      } else if ( a.name.equals ( "LANGUAGE" ) ) {        // Can only have one of these        if ( language != null && parseMode == PARSE_STRICT ) {          throw new ParseException ( "More than one LANGUAGE found", icalStr );        }        language = a.value;      } else {        // Only generate exception if strict parsing        if ( parseMode == PARSE_STRICT ) {          throw new ParseException ( "Invalid DESCRIPTION attribute '" +            a.name + "'", icalStr );        }      }    }  }  // Test routine - will parse input string and then export back  // into ical format.  // Usage: java Description "DESCRIPTION;LANGUAGE=EN:This is\\na test."  //     public static void main ( String args[] )  {    for ( int i = 0; i < args.length; i++ ) {      try {        java.io.File f = new java.io.File ( args[i] );        Description a = null;        String input = null;        if ( f.exists () ) {          try {            input = Utils.getFileContents ( f );          } catch ( Exception e ) {            System.err.println ( "Error opening " + f + ": " + e );            System.exit ( 1 );          }        } else {          input = args[i];        }        a = new Description ( input, PARSE_STRICT );        System.out.println ( "Description input:\n  " + args[i] );        System.out.println ( "\nDescription text:\n" + a.value );        System.out.println ( "\nDescription output:\n  " + a.toIcal () );      } catch ( ParseException e ) {        System.err.println ( "iCal Parse Exception: " + e );      }    }  }}