Java XML Validate validateXML(String xml, String schemaURI, DefaultHandler handler)

Description

This method will validate the the XML String passed in afainst the Schema Location passed in as a parameter.

License

Open Source License

Parameter

Parameter	Description
xml	a parameter
schemaURI	a parameter
handler	a parameter

Exception

Parameter	Description
IOException	an exception
SAXException	an exception
ParserConfigurationException	an exception

Declaration

public static void validateXML(String xml, String schemaURI, DefaultHandler handler)
        throws IOException, SAXException, ParserConfigurationException 

Method Source Code

//package com.java2s;
/** Exhibit A - UIRF Open-source Based Public Software License.
* 
* The contents of this file are subject to the UIRF Open-source Based
* Public Software License(the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* openelis.uhl.uiowa.edu/* w ww.j  av a 2 s . c om*/
* 
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
* 
* The Original Code is OpenELIS code.
* 
* The Initial Developer of the Original Code is The University of Iowa.
* Portions created by The University of Iowa are Copyright 2006-2008. All
* Rights Reserved.
* 
* Contributor(s): ______________________________________.
* 
* Alternatively, the contents of this file marked
* "Separately-Licensed" may be used under the terms of a UIRF Software
* license ("UIRF Software License"), in which case the provisions of a
* UIRF Software License are applicable instead of those above. 
*/

import java.io.ByteArrayInputStream;

import java.io.IOException;

import javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;

import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import org.w3c.dom.Document;

import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

public class Main {
    /**
     * This method will validate the the XML String passed in afainst the Schema
     * Location passed in as a parameter. A handler must be passed in to handle
     * any validation errors. This method requires jdk1.5 in order to work.
     * 
     * @param xml
     * @param schemaURI
     * @param handler
     * @throws IOException
     * @throws SAXException
     * @throws ParserConfigurationException
     */
    public static void validateXML(String xml, String schemaURI, DefaultHandler handler)
            throws IOException, SAXException, ParserConfigurationException {

        SchemaFactory sf = SchemaFactory.newInstance(XMLConstants.XML_NS_URI);
        StreamSource ss = new StreamSource(schemaURI);
        Schema schema = sf.newSchema(ss);
        SAXParserFactory spf = SAXParserFactory.newInstance();
        spf.setSchema(schema);
        spf.setNamespaceAware(true);
        javax.xml.parsers.SAXParser saxParser = spf.newSAXParser();
        saxParser.parse(new ByteArrayInputStream(xml.getBytes()), handler);
    }

    /**
     * This method will return a new Document object parsed from the XML String
     * passed in as a parameter.
     * 
     * @param xml
     * @return
     * @throws ParserConfigurationException
     * @throws SAXException
     * @throws IOException
     * @throws Exception
     */
    public static Document parse(String xml)
            throws ParserConfigurationException, SAXException, IOException, Exception {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        return builder.parse(new ByteArrayInputStream(xml.getBytes()));
    }
}

Related

1. validateXml(final Schema schema, final byte[] xmlBytes)
2. validateXml(InputStream xml, InputStream xsd)
3. validateXML(String schemaPath, String xmlPath)
4. validateXMLFile(String filename, String schemaFile)
5. validateXmlOnSchema(File xmlSchema, Source sourceXml)