load Document from InputStream : DOM Document « XML « Java






  1. Java
  2. XML
  3. DOM Document

load Document from InputStream

    
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import java.io.File;
import java.io.InputStream;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 * 
 * @author Abey Mullassery
 * 
 */
public class Main {


  public static Element loadDocument(InputStream in, String defElement)
  throws Exception {
  Document doc = null;
  try {
    doc = getDocumentBuilder().parse(in);
    return doc.getDocumentElement();
  } catch (Exception se) {
    if (defElement != null)
      return getDocumentBuilder().newDocument().createElement(
        defElement);
    throw new Exception(se.getMessage());
  }
}
  /**
   * Returns a default DocumentBuilder instance or throws an
   * ExceptionInInitializerError if it can't be created.
   *
   * @return a default DocumentBuilder instance.
   */
  public static DocumentBuilder getDocumentBuilder() throws Exception {
    try {
      DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
      dbf.setIgnoringComments(true);
      dbf.setCoalescing(true);
      dbf.setIgnoringElementContentWhitespace(true);
      dbf.setValidating(false);
      return dbf.newDocumentBuilder();
    } catch (Exception exc) {
      throw new Exception(exc.getMessage());
    }
  }

}








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