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

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.slc.diff;
  18
  19 /**
  20  * <code>DiffMissing</code> using the XPath of the position as
  21  * <code>DiffKey</code>
  22  */
  23 public class DiffMissingXml extends DiffMissing {
  24
  25         public DiffMissingXml(XPathDiffPosition position) {
  26                 super(position, new DiffKeyXml(position.getXPath()));
  27         }
  28
  29         /** Implementation of <code>DiffKey</code> based on an XPath string. */
  30         protected static class DiffKeyXml implements DiffKey {
  31                 private final String xPath;
  32
  33                 public DiffKeyXml(String xPath) {
  34                         this.xPath = xPath;
  35                 }
  36
  37                 public String getXPath() {
  38                         return xPath;
  39                 }
  40
  41                 @Override
  42                 public String toString() {
  43                         return xPath;
  44                 }
  45
  46                 @Override
  47                 public boolean equals(Object obj) {
  48                         if (!(obj instanceof DiffKeyXml))
  49                                 return false;
  50                         return xPath.equals(((DiffKeyXml) obj).xPath);
  51                 }
  52
  53                 @Override
  54                 public int hashCode() {
  55                         return xPath.hashCode();
  56                 }
  57
  58         }
  59 }