XML File with local copy of XML Schema

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I am trying out some XML Schema examples and have to validate them with a sample XML File. The schema is a local file (someFile.xsd). I am using eclipse and want to include

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南方客

2021-01-13 02:58

Does something like this work?

<?xml version="1.0"?>
<note
xmlns="http://www.w3schools.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.w3schools.com note.xsd">
  <to>Tove</to>
  <from>Jani</from>
  <heading>Reminder</heading>
  <body>Don't forget me this weekend!</body>
</note>

Copied from http://www.w3schools.com/Schema/schema_howto.asp

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爱一瞬间的悲伤

2021-01-13 03:05

Are you using the xsi:schemaLocation attribute?

Ex:

<?xml version="1.0" encoding="UTF-8"?>
<root xmlns="http://foo/target/Namespace"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:someNamespace="someFile"     
       xsi:schemaLocation="
       someFile someFile.xsd" >
...
</root>

I believe someFile.xsd has to be in your classpath

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刺人心

2021-01-13 03:20

You can set your own Implementation of ResourceResolver and LSInput to the SchemaFactory so that the call of of LSInput.getCharacterStream() will provide a schema from a local path.

It tried to provide a comprehensive example here.

The approach basically consists of a proper implementation of what is called from

getSchemaAsStream(input.getSystemId(), input.getBaseURI(), localPath)));

at the end of the following code. At this point you have to hook in with your own lookup mechanism to find schema files on your local path.

public void validate(InputStream xmlStream, InputStream schemaStream, String baseUri, String localPath)
                throws SAXException, IOException {
    Source xmlFile = new StreamSource(xmlStream);
    SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
    factory.setResourceResolver((type, namespaceURI, publicId, systemId, baseURI) -> {
        LSInput input = new DOMInputImpl();
        input.setPublicId(publicId);
        input.setSystemId(systemId);
        input.setBaseURI(baseUri);
        input.setCharacterStream(new InputStreamReader(
                        getSchemaAsStream(input.getSystemId(), input.getBaseURI(), localPath)));
        return input;
    });

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