使用SAXParser验证XML文件格式---XSD

最新推荐文章于 2021-06-30 14:52:42 发布

原创最新推荐文章于 2021-06-30 14:52:42 发布 · 407 阅读

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#XML #Apache

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本文介绍了一个使用Java进行XML与XSD验证的示例程序。通过设置解析器并启用验证特性，程序演示了如何读取XML文件，并检查其是否符合指定的XSD模式。错误和警告将被详细记录。

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package com.xsd;

import java.io.IOException;

import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.XMLReaderFactory;

class XMLReaderValidator {
public static void main(String[] args) {
String parserClass = "org.apache.xerces.parsers.SAXParser";
String validationFeature = "http://xml.org/sax/features/validation";
String schemaFeature = "http://apache.org/xml/features/validation/schema";
String fileName = "conf/xsd/dictionary_invalid_xsd.xml";
try {
String x = fileName;
XMLReader r = XMLReaderFactory.createXMLReader(parserClass);
r.setFeature(validationFeature, true);
r.setFeature(schemaFeature, true);
r.setErrorHandler(new MyErrorHandler());
r.parse(x);
} catch (SAXException e) {
System.out.println(e.toString());
} catch (IOException e) {
System.out.println(e.toString());
}
}

private static class MyErrorHandler extends DefaultHandler {
public void warning(SAXParseException e) throws SAXException {
System.out.println("Warning: ");
printInfo(e);
}

public void error(SAXParseException e) throws SAXException {
System.out.println("Error: ");
printInfo(e);
}

public void fatalError(SAXParseException e) throws SAXException {
System.out.println("Fattal error: ");
printInfo(e);
}

private void printInfo(SAXParseException e) {
System.out.println(" Public ID: " + e.getPublicId());
System.out.println(" System ID: " + e.getSystemId());
System.out.println(" Line number: " + e.getLineNumber());
System.out.println(" Column number: " + e.getColumnNumber());
System.out.println(" Message: " + e.getMessage());
}
}
}

xml文件和xsd文件稍后上传