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1 package org.apache.axis2.om.impl.llom.util;
2
3 import org.apache.axis2.om.OMAttribute;
4 import org.apache.axis2.om.OMElement;
5 import org.apache.axis2.om.OMNamespace;
6 import org.apache.axis2.om.OMNode;
7 import org.apache.axis2.om.impl.llom.exception.XMLComparisonException;
8 import org.apache.commons.logging.Log;
9 import org.apache.commons.logging.LogFactory;
10
11 import java.util.Iterator  ;
12
13
29 public class XMLComparator {
30
33 private Log log = LogFactory.getLog(getClass());
34
35
36 public boolean compare(OMElement elementOne, OMElement elementTwo) throws XMLComparisonException {
37 if (elementOne == null && elementTwo == null) {
38 log.info("Both Elements are null.");
39 return true;
40 }
41 if (elementOne == null && elementTwo != null) {
42 throw new XMLComparisonException("Element One is null and Element Two is not null");
43 }
44 if (elementOne != null && elementTwo == null) {
45 throw new XMLComparisonException("Element Two is null and Element One is not null");
46 }
47
48 log.info("Now Checking " + elementOne.getLocalName() + " and " + elementTwo.getLocalName() + "=============================");
49
50 log.info("Comparing Element Names .......");
51 compare("Elements names are not equal. ", elementOne.getLocalName(), elementTwo.getLocalName());
52
53 log.info("Comparing Namespaces .........");
54 compare("Element namespaces are not equal", elementOne.getNamespace(), elementTwo.getNamespace());
55
56 log.info("Comparing attributes .....");
57 compareAllAttributes(elementOne, elementTwo);
58
59 log.info("Comparing texts .....");
60 compare("Elements texts are not equal ", elementOne.getText(), elementTwo.getText());
61
62 log.info("Comparing Children ......");
63 compareAllChildren(elementOne, elementTwo);
64
65
66 return true;
67 }
68
69 private void compareAllAttributes(OMElement elementOne, OMElement elementTwo) throws XMLComparisonException {
70 compareAttibutes(elementOne, elementTwo);
71 compareAttibutes(elementTwo, elementOne);
72 }
73
74 private void compareAllChildren(OMElement elementOne, OMElement elementTwo) throws XMLComparisonException {
75 compareChildren(elementOne, elementTwo);
76 compareChildren(elementTwo, elementOne);
77 }
78
79 private void compareChildren(OMElement elementOne, OMElement elementTwo) throws XMLComparisonException {
80 Iterator elementOneChildren = elementOne.getChildren();
81 while (elementOneChildren.hasNext()) {
82 OMNode omNode = (OMNode) elementOneChildren.next();
83 if (omNode instanceof OMElement) {
84 OMElement elementOneChild = (OMElement) omNode;
85 if("Reference4".equals(elementOneChild.getLocalName())){
86 System.out.println("Reference4");
87 }
88 OMElement elementTwoChild = elementTwo.getFirstChildWithName(elementOneChild.getQName());
89 if (elementTwoChild == null) {
90 throw new XMLComparisonException(" There is no " + elementOneChild.getLocalName() + " element under " + elementTwo.getLocalName());
91 }
92 compare(elementOneChild, elementTwoChild);
93 }
94 }
95 }
96
97
98 private void compareAttibutes(OMElement elementOne, OMElement elementTwo) throws XMLComparisonException {
99 int elementOneAtribCount = 0;
100 int elementTwoAtribCount = 0;
101 Iterator attributes = elementOne.getAttributes();
102 while (attributes.hasNext()) {
103 OMAttribute omAttribute = (OMAttribute) attributes.next();
104 OMAttribute attr = elementTwo.getFirstAttribute(omAttribute.getQName());
105 if (attr == null) {
106 throw new XMLComparisonException("Attributes are not the same in two elements. Attribute " + omAttribute.getLocalName() + " != ");
107 }
108 elementOneAtribCount++;
109 }
110
111 Iterator elementTwoIter = elementTwo.getAttributes();
112 while (elementTwoIter.hasNext()) {
113 elementTwoIter.next();
114 elementTwoAtribCount++;
115
116 }
117
118 if (elementOneAtribCount != elementTwoAtribCount) {
119 throw new XMLComparisonException("Attributes are not the same in two elements.");
120 }
121 }
122
123 private void compare(String failureNotice, String one, String two) throws XMLComparisonException {
124 if (!one.equals(two)) {
125 throw new XMLComparisonException(failureNotice + one + " != " + two);
126 }
127 }
128
129 private void compare(String failureNotice, OMNamespace one, OMNamespace two) throws XMLComparisonException {
130 if (one == null && two == null) {
131 return;
132 } else if (one != null && two == null) {
133 throw new XMLComparisonException("First Namespace is NOT null. But the second is null");
134 } else if (one == null && two != null) {
135 throw new XMLComparisonException("First Namespace is null. But the second is NOT null");
136 }
137
138 if (!one.getName().equals(two.getName())) {
139 throw new XMLComparisonException(failureNotice + one + " != " + two);
140 }
141
142 }
144 }
145 |
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