package org.basex.examples.xqj.tutorial;

import java.io.*;
import java.util.*;

import javax.xml.xquery.*;

/**
 * XQJ Examples, derived from an
 * <a href="https://www.progress.com/products/data-integration-suite/data-integration-suite-developer-center/data-integration-suite-tutorials/learning-xquery/introduction-to-the-xquery-api-for-java-xqj-">
 * XQJ online tutorial</a>.
 *
 * Part 5: Serializing Results.
 *
 * @author BaseX Team 2005-17, BSD License
 */
public final class Part5 extends Main {
  /**
   * Main method of the example class.
   * @param args (ignored) command-line arguments
   * @throws Exception exception
   */
  public static void main(final String... args) throws Exception {
    init("5: Serializing Results");

    // Create a connection
    XQConnection xqc = connect();
    XQExpression xqe = xqc.createExpression();

    // Serialize output to disk
    info("Serialize output to disk");

    String path = new File("src/main/resources/xml").getAbsolutePath();
    try(FileOutputStream fos = new FileOutputStream("result.xml")) {
      XQSequence xqs = xqe.executeQuery("doc('" + path + "/orders.xml')//order[id='174']");
      xqs.writeSequence(fos, new Properties());
    }

    /* Remaining examples from the tutorial are skipped, as
     * serialization in BaseX uses defaults. */

    // Delete result file
    info("Delete result file");
    new File("result.xml").delete();

    // Close the connection
    close(xqc);
  }
}