import java.io.*;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.*;
import org.xml.sax.SAXException;

/**
 * @author 无风听海
 *
 */
public class ValidationManager {
     public static String ValidationXmlByXSD(String filePath,String xsdPath,String nameSpace)throws SAXException, IOException {         
         String msg=filePath + " is valid.";
         SchemaFactory factory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");
         Schema schema=null;
         //xml和xsd是独立的文件，否则是内联文件
         if(xsdPath!=null&&xsdPath!=""){
             File schemaLocation = new File(xsdPath);
             schema = factory.newSchema(schemaLocation);  
         }
         else{
             schema = factory.newSchema();  
         }        
         Validator validator = schema.newValidator();       
         Source source = new StreamSource(filePath);    
         try {
             validator.validate(source);            
         }
         catch (SAXException ex) {
             msg= filePath + " is not valid because "+  ex.getMessage();
         }      
         return msg;
     } 
}