Here you can find the source of validateXml(InputStream xml, InputStream xsd)
public static void validateXml(InputStream xml, InputStream xsd) throws SAXException, IOException, ParserConfigurationException
//package com.java2s; /*//w w w . j a v a 2 s.co m * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import javax.xml.XMLConstants; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.transform.Source; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamSource; import javax.xml.validation.Schema; import javax.xml.validation.SchemaFactory; import javax.xml.validation.Validator; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.xml.sax.SAXException; public class Main { public static void validateXml(InputStream xml, InputStream xsd) throws SAXException, IOException, ParserConfigurationException { try { DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); dbf.setNamespaceAware(true); Document doc = dbf.newDocumentBuilder().parse(xml); validateXml(doc, xsd); } finally { closeStream(xml); closeStream(xsd); } } public static void validateXml(Node root, InputStream xsd) throws SAXException, IOException { try { Source source = new StreamSource(xsd); Schema schema = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI).newSchema(source); Validator validator = schema.newValidator(); validator.validate(new DOMSource(root)); } finally { closeStream(xsd); } } private static void closeStream(Closeable stream) { if (stream != null) { try { stream.close(); } catch (IOException e) { } } } }