Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;
import org.w3c.dom.Document;

public class Main {
    public static Document getDocumentFromXML(String mappingFile, String schemaFile) {
        try {
            if (schemaFile != null) {
                if (validateXML(schemaFile, mappingFile) == false) {
                    return null;
                }
            }
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            DocumentBuilder db = dbf.newDocumentBuilder();
            Document doc = db.parse(mappingFile);
            doc.getDocumentElement().normalize();
            return doc;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public static boolean validateXML(String schemaPath, String xmlPath) {
        try {
            String schemaLang = "http://www.w3.org/2001/XMLSchema";
            SchemaFactory factory = SchemaFactory.newInstance(schemaLang);
            // create schema by reading it from an XSD file:
            Schema schema = factory.newSchema(new StreamSource(schemaPath));
            Validator validator = schema.newValidator();
            // at last perform validation:
            validator.validate(new StreamSource(xmlPath));
        } catch (Exception ex) {
            return false;
        }
        return true;
    }
}