net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/formatter/align/AlignmentException.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 International Business Machines Corp. and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  ******************************************************************************/
  11 package net.sourceforge.phpdt.internal.formatter.align;
  12
  13 /**
  14  * Exception used to backtrack and break available alignments
  15  * When the exception is thrown, it is assumed that some alignment will be changed.
  16  *
  17  * @since 2.1
  18  */
  19 public class AlignmentException extends RuntimeException {
  20
  21         public static final int LINE_TOO_LONG = 1;
  22         public static final int ALIGN_TOO_SMALL = 2;
  23
  24         int reason;
  25         int value;
  26         public int relativeDepth;
  27
  28         public AlignmentException(int reason, int relativeDepth) {
  29                 this(reason, 0, relativeDepth);
  30         }
  31
  32         public AlignmentException(int reason, int value, int relativeDepth) {
  33                 this.reason = reason;
  34                 this.value = value;
  35                 this.relativeDepth = relativeDepth;
  36         }
  37
  38         public String toString(){
  39                 StringBuffer buffer = new StringBuffer(10);
  40                 switch(this.reason){
  41                         case LINE_TOO_LONG :
  42                                 buffer.append("LINE_TOO_LONG"); //$NON-NLS-1$
  43                                 break;
  44                         case ALIGN_TOO_SMALL :
  45                                 buffer.append("ALIGN_TOO_SMALL");       //$NON-NLS-1$
  46                                 break;
  47                 }
  48                 buffer
  49                         .append("<relativeDepth: ")     //$NON-NLS-1$
  50                         .append(this.relativeDepth)
  51                         .append(">\n"); //$NON-NLS-1$
  52                 return buffer.toString();
  53         }
  54 }