Example usage for javax.xml.transform.dom DOMResult DOMResult

Introduction

In this page you can find the example usage for javax.xml.transform.dom DOMResult DOMResult.

Prototype

public DOMResult()

Source Link

Document

Zero-argument default constructor.

Usage

From source file:org.wso2.carbon.identity.entitlement.EntitlementUtil.java

/**
 * Validates the given policy XML files against the standard XACML policies.
 *
 * @param policy Policy to validate//from  w  ww  . ja v a2 s. c o  m
 * @return return false, If validation failed or XML parsing failed or any IOException occurs
 */
public static boolean validatePolicy(PolicyDTO policy) {
    try {

        if (!"true".equalsIgnoreCase((String) EntitlementServiceComponent.getEntitlementConfig()
                .getEngineProperties().get(EntitlementExtensionBuilder.PDP_SCHEMA_VALIDATION))) {
            return true;
        }

        // there may be cases where you only updated the policy meta data in PolicyDTO not the
        // actual XACML policy String
        if (policy.getPolicy() == null || policy.getPolicy().trim().length() < 1) {
            return true;
        }

        //get policy version
        String policyXMLNS = getPolicyVersion(policy.getPolicy());

        Map<String, Schema> schemaMap = EntitlementServiceComponent.getEntitlementConfig().getPolicySchemaMap();
        //load correct schema by version
        Schema schema = schemaMap.get(policyXMLNS);

        if (schema != null) {
            //build XML document
            DocumentBuilder documentBuilder = getSecuredDocumentBuilder(false);
            InputStream stream = new ByteArrayInputStream(policy.getPolicy().getBytes());
            Document doc = documentBuilder.parse(stream);
            //Do the DOM validation
            DOMSource domSource = new DOMSource(doc);
            DOMResult domResult = new DOMResult();
            Validator validator = schema.newValidator();
            validator.validate(domSource, domResult);
            if (log.isDebugEnabled()) {
                log.debug("XACML Policy validation succeeded with the Schema");
            }
            return true;
        } else {
            log.error("Invalid Namespace in policy");
        }
    } catch (SAXException e) {
        log.error("XACML policy is not valid according to the schema :" + e.getMessage());
    } catch (IOException e) {
        //ignore
    } catch (ParserConfigurationException e) {
        //ignore
    }
    return false;
}

From source file:pl.nask.hsn2.workflow.parser.HWLParser.java

private void createSchema() throws IOException, SAXException {
    final DOMResult result = new DOMResult();

    SchemaOutputResolver outputResolver = new HwlSchemaOutputResolver(result);

    ctx.generateSchema(outputResolver);//from   w  ww.j a v a  2  s  . c om
    this.schemaNode = result.getNode();
    this.schemaSystemId = result.getSystemId();

    Source source = new DOMSource(schemaNode, schemaSystemId);

    this.schema = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI).newSchema(source);
}

From source file:sernet.gs.scraper.ZIPGSSource.java

private Node parseDocument(InputStream inputstream, String encoding)
        throws TransformerConfigurationException, IOException, SAXException {

    InputStreamReader reader = new InputStreamReader(inputstream, encoding);
    BufferedReader buffRead = new BufferedReader(reader);

    SAXTransformerFactory stf = (SAXTransformerFactory) TransformerFactory.newInstance();
    TransformerHandler th = stf.newTransformerHandler();
    DOMResult dr = new DOMResult();
    th.setResult(dr);/*  www  . j av  a2 s .c om*/
    Parser parser = new Parser();
    parser.setContentHandler(th);
    parser.parse(new InputSource(buffRead));
    Node domRootNode = dr.getNode();
    domRootNode.normalize();

    buffRead.close();
    reader.close();
    inputstream.close();

    return domRootNode;

}