Schema: newValidator() : Schema « javax.xml.validation « Java by API

1. Java by API
2. javax.xml.validation
3. Schema

Schema: newValidator()

import java.io.File;
import java.io.FileReader;
import java.io.IOException;

import javax.xml.XMLConstants;
import javax.xml.transform.sax.SAXSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;

import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

public class MainClass {
  public static void main(String[] args) throws IOException {
    File documentFile = new File(args[0]);
    File schemaFile = new File(args[1]);

    SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);

    Schema schema = null;
    try {
      schema = factory.newSchema(schemaFile);
    } catch (SAXException e) {
      fail(e);
    }

    Validator validator = schema.newValidator();

    SAXSource source = new SAXSource(new InputSource(new FileReader(documentFile)));

    try {
      validator.validate(source);
    } catch (SAXException e) {
      fail(e);
    }
  }

  static void fail(SAXException e) {
    if (e instanceof SAXParseException) {
      SAXParseException spe = (SAXParseException) e;
      System.err.printf("%s:%d:%d: %s%n", spe.getSystemId(), spe.getLineNumber(), spe
          .getColumnNumber(), spe.getMessage());
    } else {
      System.err.println(e.getMessage());
    }
    System.exit(1);
  }
}

           
       

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