Validate File Format-蒲公英云

Validate File Format

介绍

通过Schema来校验文件格式的正确与否。
package shuai.study.validator;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;
import org.xml.sax.SAXException;
public class FormatValidator {
    public static boolean isFormatValid(URL urlSchema, Source source) {
        boolean validatorFlag = true;
        SchemaFactory schemaFactory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");
        try {
            Schema schema = schemaFactory.newSchema(urlSchema);
            Validator validator = schema.newValidator();
            validator.validate(source);
        } catch (SAXException se) {
            validatorFlag = false;
            se.printStackTrace();
        } catch (IOException ioe) {
            validatorFlag = false;
            ioe.printStackTrace();
        }
        return validatorFlag;
    }
    public static void main(String[] args) {
        URL urlSchema = FormatValidator.class.getResource("/schema/TestFileFormat.xsd");
        String sourceFileString = FormatValidator.class.getResource("/xml/TestSourceFile.xml").getPath();
        Source source = new StreamSource(new File(sourceFileString));
        boolean validatorFlag = FormatValidator.isFormatValid(urlSchema, source);
        if (validatorFlag) {
            System.out.println("Analyze " + source.getSystemId() + " successfully");
        } else {
            System.out.println("Fail to analyze " + source.getSystemId());
        }
    }
}