我已经通过 Maven 安装了 Xerces:
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jdom</groupId>
<artifactId>jdom</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>xerces</groupId>
<artifactId>xercesImpl</artifactId>
<version>2.11.0</version>
</dependency>
</dependencies>
然后,我尝试了Xerces FAQ中此示例中给出的代码,以根据 1.1 版中的模式验证 XML 文件。这是我的代码:
private static void validateFile(File xmlFile, File xsdFile) throws SAXException, IOException
{
// 1. Lookup a factory for the W3C XML Schema language
SchemaFactory factory = SchemaFactory.newInstance("http://www.w3.org/XML/XMLSchema/v1.1");
// 2. Compile the schema.
File schemaLocation = xsdFile;
Schema schema = factory.newSchema(schemaLocation);
// 3. Get a validator from the schema.
Validator validator = schema.newValidator();
// 4. Parse the document you want to check.
Source source = new StreamSource(xmlFile);
// 5. Check the document
try
{
validator.validate(source);
System.out.println(xmlFile.getName() + " is valid.");
}
catch (SAXException ex)
{
System.out.println(xmlFile.getName() + " is not valid because ");
System.out.println(ex.getMessage());
}
}
该代码仅产生此异常:
java.lang.IllegalArgumentException: No SchemaFactory that implements the schema language specified by: http://www.w3.org/XML/XMLSchema/v1.1 could be loaded
at javax.xml.validation.SchemaFactory.newInstance(SchemaFactory.java:204)
at example.xml.XSDValidator.validateFile(XSDValidator.java:65)
似乎我未能正确配置/安装 Xerces。请帮我完成这项工作,XML 文件强制我使用 1.1 中的模式,我得到了一个正常运行的 1.0 验证器,但我对此有很大的问题。我感谢每一个提示!