Here you can find the source of parse(InputStream in)
public static Document parse(InputStream in) throws RuntimeException
//package com.java2s; /*/*from ww w. jav a 2 s. c o m*/ * This file is part of Pustefix. * * Pustefix is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Pustefix is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Pustefix; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.io.InputStream; import java.io.StringReader; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.Document; import org.xml.sax.InputSource; public class Main { public static Document parse(String xml) throws RuntimeException { try { DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder(); return db.parse(new InputSource(new StringReader(xml))); } catch (Exception x) { throw new RuntimeException("Error parsing XML string.", x); } } public static Document parse(InputStream in) throws RuntimeException { try { DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder(); return db.parse(in); } catch (Exception x) { throw new RuntimeException("Error parsing XML string.", x); } } }