我想使用xml
比较JAVA
文件,并检查它们是否“等效”。
以下代码在2种情况下对我有用:
但是在以下情况下失败:
一个名为Sample.xml
的文件,其内容为:
<Employee>
<FirstName>Jack</FirstName>
<LastName>Dave</LastName>
<Age>21</Age>
<Professtion>Doctor</Professtion>
</Employee>
另一个名为Sample1.xml
的文件,其内容为:
<Employee>
<Age>21</Age>
<Professtion>Doctor</Professtion>
<FirstName>Jack</FirstName>
<LastName>Dave</LastName>
</Employee>
请注意内容相同,但顺序不同。
我尝试了[this 1],但对我而言无效。
我尝试的代码如下:
import java.io.BufferedReader;
import java.io.FileReader;
import java.util.List;
import org.custommonkey.xmlunit.DetailedDiff;
import org.custommonkey.xmlunit.Diff;
import org.custommonkey.xmlunit.XMLUnit;
import org.custommonkey.xmlunit.examples.RecursiveElementNameAndTextQualifier;
public class CompareXML {
public static void main(String[] args) {
try (BufferedReader bufferedReaderExistingFile = new BufferedReader(new FileReader("C:\\Test\\Sample.xml"));
BufferedReader bufferedReaderNewFile = new BufferedReader(new FileReader("C:\\Test\\Sample1.xml"))) {
XMLUnit.setIgnoreWhitespace(true);
XMLUnit.setIgnoreAttributeOrder(true);
XMLUnit.setIgnoreComments(true);
Diff d = new Diff(bufferedReaderExistingFile, bufferedReaderNewFile);
d.overrideElementQualifier(new RecursiveElementNameAndTextQualifier());
DetailedDiff detailedDiff = new DetailedDiff(d);
List<?> allDifferences1 = detailedDiff.getAllDifferences();
System.out.println(" difference are :: " + allDifferences1.isEmpty());
System.out.println(" difference are :: " + allDifferences1.size());
System.out.println(" difference are :: " + allDifferences1.toString());
}catch(Exception e) {
System.out.println(e.getMessage());
}
}
}
我也尝试了以下代码:
Diff diff = DiffBuilder.compare(bufferedReaderExistingFile)
.withTest(bufferedReaderNewFile).ignoreComments()
.ignoreWhitespace()
.withNodeMatcher(new DefaultNodeMatcher(ElementSelectors.byName))
.checkForSimilar()
.build();
System.out.println(" difference are :: " + diff.hasDifferences());
答案 0 :(得分:1)
您可以使用DifferenceEvaluators做到这一点:
DifferenceEvaluator evaluator = DifferenceEvaluators
.downgradeDifferencesToEquals(ComparisonType.CHILD_NODELIST_SEQUENCE);
Diff diff = DiffBuilder.compare(bufferedReaderExistingFile)
.withTest(bufferedReaderNewFile).ignoreComments()
.ignoreWhitespace()
.withNodeMatcher(new DefaultNodeMatcher(ElementSelectors.byName))
.withDifferenceEvaluator(evaluator)
.checkForSimilar()
.build();
答案 1 :(得分:1)
您可以使用 Diff 中的 similar()方法,如documentation中所述:
返回比较结果。如果两个文档包含相同的元素和属性(无论顺序如何),则被视为“相似”。
您的代码可能是这样的:
Diff diff = XMLUnit.compareXML(bufferedReaderExistingFile, bufferedReaderNewFile);
System.out.println("Both documents are similar: " + diff.similar());
请注意,尽管顺序是XML matters,所以您呈现的两个XML示例本质上是不同的XML。