Examples of javax.xml.validation.Validator

javax.xml.validation.Validator

A processor that checks an XML document against {@link Schema}.

A validator is a thread-unsafe and non-reentrant object. In other words, it is the application's responsibility to make sure that one {@link Validator} object is not used frommore than one thread at any given time, and while the validate method is invoked, applications may not recursively call the validate method.
Note that while the {@link #validate(javax.xml.transform.Source)} and {@link #validate(javax.xml.transform.Source,javax.xml.transform.Result)}methods take a {@link Source} instance, the Sourceinstance must be a SAXSource or DOMSource. @author Kohsuke Kawaguchi @version $Revision: 226183 $, $Date: 2005-04-08 06:39:14 -0400 (Fri, 08 Apr 2005) $ @since 1.5

            throw new ConfigurationException(new Message("PARSE_ERROR_EXC", LOG), ex);
        }


        if (doValidate) {
            try {
                Validator v = getMetadataValidator();
                v.validate(new DOMSource(document));
            } catch (SAXException ex) {
                Message msg = new Message("METADATA_VALIDATION_ERROR_EXC", LOG);
                throw new ConfigurationException(msg, ex);
            }
        }

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        MessageContext msgContext = new MessageContext();
        ByteArrayInputStream in = new ByteArrayInputStream(message.getBytes("us-ascii"));
        OMElement element = new SyslogMessageBuilder().processDocument(in, null, msgContext);
        SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        Schema schema = factory.newSchema(new StreamSource(SyslogMessageBuilderTest.class.getResource("schema.xsd").toExternalForm()));
        Validator validator = schema.newValidator();
        validator.setErrorHandler(new ErrorHandler() {
            public void error(SAXParseException exception) throws SAXException {
                throw exception;
            }


            public void fatalError(SAXParseException exception) throws SAXException {
                throw exception;
            }


            public void warning(SAXParseException exception) throws SAXException {
                throw exception;
            }
        });
        validator.validate(new OMSource(element));
        String pidString = element.getAttributeValue(new QName(SyslogConstants.PID));
        return new SyslogMessage(element.getAttributeValue(new QName(SyslogConstants.FACILITY)),
                                 element.getAttributeValue(new QName(SyslogConstants.SEVERITY)),
                                 element.getAttributeValue(new QName(SyslogConstants.TAG)),
                                 pidString == null ? -1 : Integer.parseInt(pidString),

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            }
        }


        // no need to synchronize, schema instances are thread-safe
        try {
            Validator validator = cachedSchema.newValidator();
            validator.setErrorHandler(errorHandler);


            // perform actual validation
            validator.validate(validateSrc);


            if (errorHandler.isValidationError()) {


                if (synLog.isTraceOrDebugEnabled()) {
                    String msg = "Validation of element returned by XPath : " + source +

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        // root element has namespace - we can use schema validation
        Schema schema = factory.newSchema(new StreamSource(FeatureValidationUtil.class
            .getResourceAsStream("/org/apache/karaf/features/karaf-features-1.0.0.xsd")));


        // create schema by reading it from an XSD file:
        Validator validator = schema.newValidator();


        try {
            validator.validate(new DOMSource(doc));
        } catch (Exception e) {
            throw new IllegalArgumentException("Unable to validate " + uri, e);
        }        
    }

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            else {
                schema = factory.newSchema();
            }
            
            // Setup validator and input source.
            Validator validator = schema.newValidator();
            validator.setErrorHandler(sourceValidator);
            
            try {
                validator.setFeature(SCHEMA_FULL_CHECKING_FEATURE_ID, schemaFullChecking);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Validator does not recognize feature ("+SCHEMA_FULL_CHECKING_FEATURE_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Validator does not support feature ("+SCHEMA_FULL_CHECKING_FEATURE_ID+")");
            }
            try {
                validator.setFeature(HONOUR_ALL_SCHEMA_LOCATIONS_ID, honourAllSchemaLocations);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Validator does not recognize feature ("+HONOUR_ALL_SCHEMA_LOCATIONS_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Validator does not support feature ("+HONOUR_ALL_SCHEMA_LOCATIONS_ID+")");
            }
            try {
                validator.setFeature(VALIDATE_ANNOTATIONS_ID, validateAnnotations);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Validator does not recognize feature ("+VALIDATE_ANNOTATIONS_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Validator does not support feature ("+VALIDATE_ANNOTATIONS_ID+")");
            }
            try {
                validator.setFeature(GENERATE_SYNTHETIC_ANNOTATIONS_ID, generateSyntheticAnnotations);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Validator does not recognize feature ("+GENERATE_SYNTHETIC_ANNOTATIONS_ID+")");
            }
            catch (SAXNotSupportedException e) {

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        SOAPModelBuilder builder = OMXMLBuilderFactory.createSOAPModelBuilder(in, "UTF-8");
        SOAPEnvelope envelope = builder.getSOAPEnvelope();
        OMElement bodyContent = envelope.getBody().getFirstElement();
        SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        Schema schema = schemaFactory.newSchema(schemaUrl);
        Validator validator = schema.newValidator();
        validator.validate(bodyContent.getSAXSource(true));
    }

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        SOAPModelBuilder builder = OMXMLBuilderFactory.createSOAPModelBuilder(mf, in, "UTF-8");
        SOAPEnvelope envelope = builder.getSOAPEnvelope();
        OMElement bodyContent = envelope.getBody().getFirstElement();
        SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        Schema schema = schemaFactory.newSchema(schemaUrl);
        Validator validator = schema.newValidator();
        validator.validate(new DOMSource((Element)bodyContent));
    }

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    public static Configuration create (final File schemaLocation, final File configFile, final String pTargetAddress) throws SAXException , ParserConfigurationException , IOException {
        final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        final Schema schema = schemaFactory.newSchema(schemaLocation);


        // create a validator for the document
        final Validator validator = schema.newValidator();


        final DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
        domFactory.setNamespaceAware(true); // never forget this
        final DocumentBuilder builder = domFactory.newDocumentBuilder();
        final Document doc = builder.parse(configFile);


        final DOMSource source = new DOMSource(doc);
        final DOMResult result = new DOMResult();


        validator.validate(source, result);
        Document root = (Document) result.getNode();


        // TargetName
        Configuration returnConfiguration = new Configuration(pTargetAddress);
        Element targetListNode = (Element) root.getElementsByTagName(ELEMENT_TARGET_LIST).item(0);

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        try {
            final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
            final Schema schema = schemaFactory.newSchema(schemaLocation);


            // create a validator for the document
            final Validator validator = schema.newValidator();


            final DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
            domFactory.setNamespaceAware(true); // never forget this
            final DocumentBuilder builder = domFactory.newDocumentBuilder();
            final Document doc = builder.parse(configFile);


            final DOMSource source = new DOMSource(doc);
            final DOMResult result = new DOMResult();


            validator.validate(source, result);


            return (Document) result.getNode();
        } catch (final SAXException exc) {
            throw new ConfigurationException(exc);
        } catch (final ParserConfigurationException exc) {

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        }
        String xml = xmlFile.toString();
        // validate against schema.
        try {
            URL schema = Resources.getResource("/catalog.xsd");
            Validator validator = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema").newSchema(schema)
                    .newValidator();
            Source source = new StreamSource(new CharArrayReader(xml.toCharArray()));
            validator.validate(source);
        } catch (Exception e) {
            this.errorHolder.addErrorMessage("Validation Error", e);
            return null;
        }
        // parse file into catalog

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