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 When the exception
  15  * 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
  23         public static final int ALIGN_TOO_SMALL = 2;
  24
  25         int reason;
  26
  27         int value;
  28
  29         public int relativeDepth;
  30
  31         public AlignmentException(int reason, int relativeDepth) {
  32                 this(reason, 0, relativeDepth);
  33         }
  34
  35         public AlignmentException(int reason, int value, int relativeDepth) {
  36                 this.reason = reason;
  37                 this.value = value;
  38                 this.relativeDepth = relativeDepth;
  39         }
  40
  41         public String toString() {
  42                 StringBuffer buffer = new StringBuffer(10);
  43                 switch (this.reason) {
  44                 case LINE_TOO_LONG:
  45                         buffer.append("LINE_TOO_LONG"); //$NON-NLS-1$
  46                         break;
  47                 case ALIGN_TOO_SMALL:
  48                         buffer.append("ALIGN_TOO_SMALL"); //$NON-NLS-1$
  49                         break;
  50                 }
  51                 buffer.append("<relativeDepth: ") //$NON-NLS-1$
  52                                 .append(this.relativeDepth).append(">\n"); //$NON-NLS-1$
  53                 return buffer.toString();
  54         }
  55 }