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    1   package org.codehaus.groovy.control.messages;
    2
    3   import java.io.PrintWriter;
    4
    5   import org.codehaus.groovy.control.Janitor;
    6   import org.codehaus.groovy.control.ProcessingUnit;
    7   import org.codehaus.groovy.control.SourceUnit;
    8   import org.codehaus.groovy.syntax.SyntaxException;
    9
    10
    11
    12  /***
    13   *  A base class for compilation messages.
    14   *
    15   *  @author <a href="mailto:cpoirier@dreaming.org">Chris Poirier</a>
    16   *
    17   *  @version $Id: Message.java,v 1.2 2005/06/09 19:51:59 blackdrag Exp $
    18   */
    19
    20  public abstract class Message
    21  {
    22
    23
    24     /***
    25      *  Writes the message to the specified PrintWriter.  The supplied
    26      *  ProcessingUnit is the unit that holds this Message.
    27      */
    28
    29      public abstract void write( PrintWriter writer, Janitor janitor );
    30
    31
    32     /***
    33      *  A synonyn for write( writer, owner, null ).
    34      */
    35
    36      public final void write( PrintWriter writer)
    37      {
    38          write( writer,  null );
    39      }
    40
    41
    42
    43    //---------------------------------------------------------------------------
    44    // FACTORY METHODS
    45
    46
    47     /***
    48      *  Creates a new Message from the specified text.
    49      */
    50
    51      public static Message create( String text, ProcessingUnit owner )
    52      {
    53          return new SimpleMessage( text, owner );
    54      }
    55
    56
    57
    58     /***
    59      *  Creates a new Message from the specified text.
    60      */
    61
    62      public static Message create( String text, Object data, ProcessingUnit owner  )
    63      {
    64          return new SimpleMessage( text, data, owner);
    65      }
    66
    67
    68
    69     /***
    70      *  Creates a new Message from the specified SyntaxException.
    71      */
    72
    73      public static Message create( SyntaxException error, SourceUnit owner )
    74      {
    75          return new SyntaxErrorMessage( error, owner );
    76      }
    77
    78
    79
    80
    81  }
    82
    83
    84
    85