PropertyDiff.java

   1 package org.argeo.jcr;
   2
   3 import javax.jcr.Value;
   4
   5 /** The result of the comparison of two JCR properties. */
   6 public class PropertyDiff {
   7         public final static Integer MODIFIED = 0;
   8         public final static Integer ADDED = 1;
   9         public final static Integer REMOVED = 2;
  10
  11         private final Integer type;
  12         private final String relPath;
  13         private final Value referenceValue;
  14         private final Value newValue;
  15
  16         public PropertyDiff(Integer type, String relPath, Value referenceValue,
  17                         Value newValue) {
  18                 super();
  19
  20                 if (type == MODIFIED) {
  21                         if (referenceValue == null || newValue == null)
  22                                 throw new ArgeoJcrException(
  23                                                 "Reference and new values must be specified.");
  24                 } else if (type == ADDED) {
  25                         if (referenceValue != null || newValue == null)
  26                                 throw new ArgeoJcrException(
  27                                                 "New value and only it must be specified.");
  28                 } else if (type == REMOVED) {
  29                         if (referenceValue == null || newValue != null)
  30                                 throw new ArgeoJcrException(
  31                                                 "Reference value and only it must be specified.");
  32                 } else {
  33                         throw new ArgeoJcrException("Unkown diff type " + type);
  34                 }
  35
  36                 if (relPath == null)
  37                         throw new ArgeoJcrException("Relative path must be specified");
  38
  39                 this.type = type;
  40                 this.relPath = relPath;
  41                 this.referenceValue = referenceValue;
  42                 this.newValue = newValue;
  43         }
  44
  45         public Integer getType() {
  46                 return type;
  47         }
  48
  49         public String getRelPath() {
  50                 return relPath;
  51         }
  52
  53         public Value getReferenceValue() {
  54                 return referenceValue;
  55         }
  56
  57         public Value getNewValue() {
  58                 return newValue;
  59         }
  60
  61 }