import org.xmldb.api.base.*;
import org.xmldb.api.modules.*;
import org.xmldb.api.*;
import org.exist.xmldb.XQueryService;
import java.io.*;

public class QueryExample {
    public static void main(String args[]) throws Exception {
        String driver = "org.exist.xmldb.DatabaseImpl";
        Class cl = Class.forName(driver);			
        Database database = (Database)cl.newInstance();
        DatabaseManager.registerDatabase(database);
        
        Collection col = 
            DatabaseManager.getCollection(
                "xmldb:exist://localhost:8080/exist/xmlrpc/db"
            );
        XQueryService service =
            (XQueryService) col.getService("XQueryService", "1.0");
        service.setProperty("indent", "yes");
        
        try{
            BufferedReader in = new BufferedReader(new FileReader("d://test.xquery")); //put your xquery file path here
            //make sure the query path in your xquery is correct
            String inContent = "";
            String temp = in.readLine();
            while (temp != null){
                inContent = inContent + temp + "\n";
                temp = in.readLine();
            }
            in.close();
            //System.out.println(inContent);
            ResourceSet result = service.query(inContent);
            ResourceIterator i = result.getIterator();
            while(i.hasMoreResources()) {
                Resource r = i.nextResource();
                System.out.println((String)r.getContent());
            }
        }catch(IOException e){
            System.out.println("read file error.");
        }
        

    }
}