runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/diff/TableDiffPosition.java

   1 package org.argeo.slc.diff;
   2
   3 import org.argeo.slc.UnsupportedException;
   4
   5 /**
   6  * A diff position within a table structure such a CSV file or an SQL result
   7  * set.
   8  */
   9 public class TableDiffPosition extends DiffPosition {
  10         private Integer line;
  11         /** Can be null */
  12         private Integer column;
  13         /** Can be null */
  14         private String columnName;
  15
  16         public TableDiffPosition(RelatedFile relatedFile, Integer line,
  17                         Integer column, String columnName) {
  18                 super(relatedFile);
  19                 this.line = line;
  20                 this.column = column;
  21                 this.columnName = columnName;
  22         }
  23
  24         public Integer getLine() {
  25                 return line;
  26         }
  27
  28         public Integer getColumn() {
  29                 return column;
  30         }
  31
  32         public String getColumnName() {
  33                 return columnName;
  34         }
  35
  36         public int compareTo(DiffPosition dp) {
  37                 if (!(dp instanceof TableDiffPosition))
  38                         throw new UnsupportedException("position", dp);
  39
  40                 TableDiffPosition o = (TableDiffPosition) dp;
  41                 if (relatedFile.equals(o.relatedFile)) {
  42                         if (line == o.line) {
  43                                 return column.compareTo(o.column);
  44                         } else {
  45                                 return line.compareTo(o.line);
  46                         }
  47                 } else {
  48                         return relatedFile.compareTo(o.relatedFile);
  49                 }
  50         }
  51
  52         @Override
  53         public String toString() {
  54                 StringBuffer buf = new StringBuffer("");
  55                 buf.append(relatedFile).append('[').append(line);
  56                 if (column != null) {
  57                         buf.append(',').append(column);
  58                         if (columnName != null) {
  59                                 buf.append('-').append(columnName);
  60                         }
  61                 }
  62                 buf.append(']');
  63                 return buf.toString();
  64         }
  65
  66 }