Example usage for javax.xml XMLConstants W3C_XML_SCHEMA_NS_URI

List of usage examples for javax.xml XMLConstants W3C_XML_SCHEMA_NS_URI

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Introduction

In this page you can find the example usage for javax.xml XMLConstants W3C_XML_SCHEMA_NS_URI.

Prototype

String W3C_XML_SCHEMA_NS_URI

To view the source code for javax.xml XMLConstants W3C_XML_SCHEMA_NS_URI.

Click Source Link

Document

W3C XML Schema Namespace URI.

Usage

From source file:org.apache.nifi.authorization.FlowParser.java

public FlowParser() throws SAXException {
    schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
    flowSchema = schemaFactory.newSchema(FileAuthorizer.class.getResource(FLOW_XSD));
}

From source file:org.apache.nifi.controller.service.ControllerServiceLoader.java

public List<ControllerServiceNode> loadControllerServices(final ControllerServiceProvider provider)
        throws IOException {
    final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
    final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    InputStream fis = null;//from  w w  w  .ja va 2  s. c  o  m
    BufferedInputStream bis = null;
    documentBuilderFactory.setNamespaceAware(true);

    final List<ControllerServiceNode> services = new ArrayList<>();

    try {
        final URL configurationResource = this.getClass().getResource("/ControllerServiceConfiguration.xsd");
        if (configurationResource == null) {
            throw new NullPointerException("Unable to load XML Schema for ControllerServiceConfiguration");
        }
        final Schema schema = schemaFactory.newSchema(configurationResource);
        documentBuilderFactory.setSchema(schema);
        final DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();

        builder.setErrorHandler(new org.xml.sax.ErrorHandler() {

            @Override
            public void fatalError(final SAXParseException err) throws SAXException {
                logger.error("Config file line " + err.getLineNumber() + ", col " + err.getColumnNumber()
                        + ", uri " + err.getSystemId() + " :message: " + err.getMessage());
                if (logger.isDebugEnabled()) {
                    logger.error("Error Stack Dump", err);
                }
                throw err;
            }

            @Override
            public void error(final SAXParseException err) throws SAXParseException {
                logger.error("Config file line " + err.getLineNumber() + ", col " + err.getColumnNumber()
                        + ", uri " + err.getSystemId() + " :message: " + err.getMessage());
                if (logger.isDebugEnabled()) {
                    logger.error("Error Stack Dump", err);
                }
                throw err;
            }

            @Override
            public void warning(final SAXParseException err) throws SAXParseException {
                logger.warn(" Config file line " + err.getLineNumber() + ", uri " + err.getSystemId()
                        + " : message : " + err.getMessage());
                if (logger.isDebugEnabled()) {
                    logger.warn("Warning stack dump", err);
                }
                throw err;
            }
        });

        //if controllerService.xml does not exist, create an empty file...
        fis = Files.newInputStream(this.serviceConfigXmlPath, StandardOpenOption.READ);
        bis = new BufferedInputStream(fis);
        if (Files.size(this.serviceConfigXmlPath) > 0) {
            final Document document = builder.parse(bis);
            final NodeList servicesNodes = document.getElementsByTagName("services");
            final Element servicesElement = (Element) servicesNodes.item(0);

            final List<Element> serviceNodes = DomUtils.getChildElementsByTagName(servicesElement, "service");
            for (final Element serviceElement : serviceNodes) {
                //get properties for the specific controller task - id, name, class,
                //and schedulingPeriod must be set
                final String serviceId = DomUtils.getChild(serviceElement, "identifier").getTextContent()
                        .trim();
                final String serviceClass = DomUtils.getChild(serviceElement, "class").getTextContent().trim();

                //set the class to be used for the configured controller task
                final ControllerServiceNode serviceNode = provider.createControllerService(serviceClass,
                        serviceId, false);

                //optional task-specific properties
                for (final Element optionalProperty : DomUtils.getChildElementsByTagName(serviceElement,
                        "property")) {
                    final String name = optionalProperty.getAttribute("name").trim();
                    final String value = optionalProperty.getTextContent().trim();
                    serviceNode.setProperty(name, value);
                }

                services.add(serviceNode);
                provider.enableControllerService(serviceNode);
            }
        }
    } catch (SAXException | ParserConfigurationException sxe) {
        throw new IOException(sxe);
    } finally {
        FileUtils.closeQuietly(fis);
        FileUtils.closeQuietly(bis);
    }

    return services;
}

From source file:org.apache.nifi.controller.StandardFlowSynchronizer.java

private static Document parseFlowBytes(final byte[] flow) throws FlowSerializationException {
    // create document by parsing proposed flow bytes
    try {/*from www .  j a  v  a  2s .c o m*/
        // create validating document builder
        final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        final Schema schema = schemaFactory.newSchema(FLOW_XSD_RESOURCE);
        final DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
        docFactory.setNamespaceAware(true);
        docFactory.setSchema(schema);

        final DocumentBuilder docBuilder = docFactory.newDocumentBuilder();

        // parse flow
        return (flow == null || flow.length == 0) ? null : docBuilder.parse(new ByteArrayInputStream(flow));
    } catch (final SAXException | ParserConfigurationException | IOException ex) {
        throw new FlowSerializationException(ex);
    }
}

From source file:org.apache.nifi.fingerprint.FingerprintFactory.java

public FingerprintFactory(final StringEncryptor encryptor) {
    this.encryptor = encryptor;

    final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    documentBuilderFactory.setNamespaceAware(true);
    final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
    final Schema schema;
    try {/*  w  w  w .  j  a  va 2  s  . co m*/
        schema = schemaFactory.newSchema(FingerprintFactory.class.getResource(FLOW_CONFIG_XSD));
    } catch (final Exception e) {
        throw new RuntimeException("Failed to parse schema for file flow configuration.", e);
    }
    try {
        documentBuilderFactory.setSchema(schema);
        flowConfigDocBuilder = documentBuilderFactory.newDocumentBuilder();
    } catch (final Exception e) {
        throw new RuntimeException("Failed to create document builder for flow configuration.", e);
    }
}

From source file:org.apache.nifi.fingerprint.FingerprintFactoryTest.java

private DocumentBuilder getValidatingDocumentBuilder() {
    final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    documentBuilderFactory.setNamespaceAware(true);
    final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
    final Schema schema;
    try {/*from   w  w  w .  j a  v a 2  s  .  c om*/
        schema = schemaFactory.newSchema(FingerprintFactory.class.getResource(FLOW_CONFIG_XSD));
    } catch (final Exception e) {
        throw new RuntimeException("Failed to parse schema for file flow configuration.", e);
    }
    try {
        documentBuilderFactory.setSchema(schema);
        DocumentBuilder docBuilder = documentBuilderFactory.newDocumentBuilder();
        docBuilder.setErrorHandler(new ErrorHandler() {
            @Override
            public void warning(SAXParseException e) throws SAXException {
                throw e;
            }

            @Override
            public void error(SAXParseException e) throws SAXException {
                throw e;
            }

            @Override
            public void fatalError(SAXParseException e) throws SAXException {
                throw e;
            }
        });
        return docBuilder;
    } catch (final Exception e) {
        throw new RuntimeException("Failed to create document builder for flow configuration.", e);
    }
}

From source file:org.apache.nifi.registry.security.authentication.IdentityProviderFactory.java

private IdentityProviders loadLoginIdentityProvidersConfiguration() throws Exception {
    final File loginIdentityProvidersConfigurationFile = properties.getIdentityProviderConfigurationFile();

    // load the users from the specified file
    if (loginIdentityProvidersConfigurationFile.exists()) {
        try {/*from  ww  w  . j  a va  2 s.  co m*/
            // find the schema
            final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
            final Schema schema = schemaFactory
                    .newSchema(IdentityProviders.class.getResource(LOGIN_IDENTITY_PROVIDERS_XSD));

            // attempt to unmarshal
            XMLStreamReader xsr = XmlUtils
                    .createSafeReader(new StreamSource(loginIdentityProvidersConfigurationFile));
            final Unmarshaller unmarshaller = JAXB_CONTEXT.createUnmarshaller();
            unmarshaller.setSchema(schema);
            final JAXBElement<IdentityProviders> element = unmarshaller.unmarshal(xsr, IdentityProviders.class);
            return element.getValue();
        } catch (SAXException | JAXBException e) {
            throw new Exception("Unable to load the login identity provider configuration file at: "
                    + loginIdentityProvidersConfigurationFile.getAbsolutePath());
        }
    } else {
        throw new Exception("Unable to find the login identity provider configuration file at "
                + loginIdentityProvidersConfigurationFile.getAbsolutePath());
    }
}

From source file:org.apache.nifi.registry.security.authorization.AuthorizerFactory.java

private Authorizers loadAuthorizersConfiguration() throws Exception {
    final File authorizersConfigurationFile = properties.getAuthorizersConfigurationFile();

    // load the authorizers from the specified file
    if (authorizersConfigurationFile.exists()) {
        try {//from ww w .j ava 2  s.c  o  m
            // find the schema
            final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
            final Schema schema = schemaFactory.newSchema(Authorizers.class.getResource(AUTHORIZERS_XSD));

            // attempt to unmarshal
            final Unmarshaller unmarshaller = JAXB_CONTEXT.createUnmarshaller();
            unmarshaller.setSchema(schema);
            final JAXBElement<Authorizers> element = unmarshaller.unmarshal(
                    XmlUtils.createSafeReader(new StreamSource(authorizersConfigurationFile)),
                    Authorizers.class);
            return element.getValue();
        } catch (XMLStreamException | SAXException | JAXBException e) {
            throw new Exception("Unable to load the authorizer configuration file at: "
                    + authorizersConfigurationFile.getAbsolutePath(), e);
        }
    } else {
        throw new Exception("Unable to find the authorizer configuration file at "
                + authorizersConfigurationFile.getAbsolutePath());
    }
}

From source file:org.apache.nifi.registry.security.authorization.file.FileAccessPolicyProvider.java

@Override
public void initialize(AccessPolicyProviderInitializationContext initializationContext)
        throws SecurityProviderCreationException {
    userGroupProviderLookup = initializationContext.getUserGroupProviderLookup();

    try {// ww  w .  java  2s.  c  om
        final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        authorizationsSchema = schemaFactory.newSchema(FileAuthorizer.class.getResource(AUTHORIZATIONS_XSD));
    } catch (Exception e) {
        throw new SecurityProviderCreationException(e);
    }
}

From source file:org.apache.nifi.registry.security.authorization.file.FileUserGroupProvider.java

@Override
public void initialize(UserGroupProviderInitializationContext initializationContext)
        throws SecurityProviderCreationException {
    try {//from   w w w .j av  a 2s  .  co  m
        final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        tenantsSchema = schemaFactory.newSchema(FileAuthorizer.class.getResource(TENANTS_XSD));
        //usersSchema = schemaFactory.newSchema(FileAuthorizer.class.getResource(USERS_XSD));
    } catch (Exception e) {
        throw new SecurityProviderCreationException(e);
    }
}

From source file:org.apache.nifi.web.security.spring.LoginIdentityProviderFactoryBean.java

private LoginIdentityProviders loadLoginIdentityProvidersConfiguration() throws Exception {
    final File loginIdentityProvidersConfigurationFile = properties.getLoginIdentityProviderConfigurationFile();

    // load the users from the specified file
    if (loginIdentityProvidersConfigurationFile.exists()) {
        try {//from  w w w  . ja  v a 2s .  c  o m
            // find the schema
            final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
            final Schema schema = schemaFactory
                    .newSchema(LoginIdentityProviders.class.getResource(LOGIN_IDENTITY_PROVIDERS_XSD));

            // attempt to unmarshal
            final Unmarshaller unmarshaller = JAXB_CONTEXT.createUnmarshaller();
            unmarshaller.setSchema(schema);
            final JAXBElement<LoginIdentityProviders> element = unmarshaller.unmarshal(
                    new StreamSource(loginIdentityProvidersConfigurationFile), LoginIdentityProviders.class);
            return element.getValue();
        } catch (SAXException | JAXBException e) {
            throw new Exception("Unable to load the login identity provider configuration file at: "
                    + loginIdentityProvidersConfigurationFile.getAbsolutePath());
        }
    } else {
        throw new Exception("Unable to find the login identity provider configuration file at "
                + loginIdentityProvidersConfigurationFile.getAbsolutePath());
    }
}