server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/PropertyDiff.java

   1 package org.argeo.jcr;
   2
   3 import javax.jcr.Value;
   4
   5 import org.argeo.ArgeoException;
   6
   7 /** The result of the comparison of two JCR properties. */
   8 public class PropertyDiff {
   9         public final static Integer MODIFIED = 0;
  10         public final static Integer ADDED = 1;
  11         public final static Integer REMOVED = 2;
  12
  13         private final Integer type;
  14         private final String relPath;
  15         private final Value referenceValue;
  16         private final Value newValue;
  17
  18         public PropertyDiff(Integer type, String relPath, Value referenceValue,
  19                         Value newValue) {
  20                 super();
  21
  22                 if (type == MODIFIED) {
  23                         if (referenceValue == null || newValue == null)
  24                                 throw new ArgeoException(
  25                                                 "Reference and new values must be specified.");
  26                 } else if (type == ADDED) {
  27                         if (referenceValue != null || newValue == null)
  28                                 throw new ArgeoException(
  29                                                 "New value and only it must be specified.");
  30                 } else if (type == REMOVED) {
  31                         if (referenceValue == null || newValue != null)
  32                                 throw new ArgeoException(
  33                                                 "Reference value and only it must be specified.");
  34                 } else {
  35                         throw new ArgeoException("Unkown diff type " + type);
  36                 }
  37
  38                 if (relPath == null)
  39                         throw new ArgeoException("Relative path must be specified");
  40
  41                 this.type = type;
  42                 this.relPath = relPath;
  43                 this.referenceValue = referenceValue;
  44                 this.newValue = newValue;
  45         }
  46
  47         public Integer getType() {
  48                 return type;
  49         }
  50
  51         public String getRelPath() {
  52                 return relPath;
  53         }
  54
  55         public Value getReferenceValue() {
  56                 return referenceValue;
  57         }
  58
  59         public Value getNewValue() {
  60                 return newValue;
  61         }
  62
  63 }