matthiasblaesing commented on issue #6226:
URL: https://github.com/apache/netbeans/issues/6226#issuecomment-1646092937
We are drifting from the usecase of an issue tracker, but I think you are
looking for is the code below.
```java
package multischema.validate;
import javax.xml.XMLConstants;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.w3c.dom.bootstrap.DOMImplementationRegistry;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSResourceResolver;
import org.xml.sax.SAXException;
public class ValidateXmlXsd {
private static final String SCHEMA_BASE = "xml/";
private static final String NS_XMLSCHEMA =
"http://www.w3.org/2001/XMLSchema";;
private static final String ELEMENT_SCHEMA = "schema";
private static final String ATTR_TNS = "targetNamespace";
public static void main(String... args) throws Exception {
Map<String, URI> namespaceFileMap = buildNamespaceFilemap();
DOMImplementationLS dls = (DOMImplementationLS)
DOMImplementationRegistry
.newInstance().getDOMImplementation("LS");
SchemaFactory mySchemaFactory =
SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
Schema mySchema = mySchemaFactory.newSchema();
Validator validator = mySchema.newValidator();
validator.setResourceResolver(new LSResourceResolver() {
@Override
public LSInput resolveResource(String type, String namespaceURI,
String publicId, String systemId, String baseURI) {
if(namespaceFileMap.containsKey(namespaceURI)) {
LSInput lsi = dls.createLSInput();
lsi.setSystemId(namespaceFileMap.get(namespaceURI).toASCIIString());
return lsi;
} else {
return null;
}
}
});
validator.setErrorHandler(new XsdErrorHandler());
validator.validate(new StreamSource(new File(SCHEMA_BASE +
"mtn_2020-06-29_full_S1_R0.xml")));
System.out.println("Validation completed - please check for
validation errors.");
}
private static Map<String,URI> buildNamespaceFilemap() throws
SAXException, ParserConfigurationException, IOException {
DocumentBuilder db = DocumentBuilderFactory
.newDefaultNSInstance()
.newDocumentBuilder();
Map<String, URI> namespaceFileMap = new HashMap<>();
for(File f: new File("xml").listFiles()) {
URI fileUri = f.toURI();
if(f.getName().endsWith(".xsd")) {
Document d = db.parse(fileUri.toASCIIString());
NodeList schemaNodes =
d.getElementsByTagNameNS(NS_XMLSCHEMA, ELEMENT_SCHEMA);
for(int i = 0; i < schemaNodes.getLength(); i++) {
Element schema = (Element) schemaNodes.item(i);
String targetNamespace = schema.getAttribute(ATTR_TNS);
if(! targetNamespace.isBlank()) {
namespaceFileMap.put(targetNamespace, fileUri);
}
}
}
}
return namespaceFileMap;
}
}
```
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