Example usage for javax.xml.xpath XPathFactory newXPath

List of usage examples for javax.xml.xpath XPathFactory newXPath

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Introduction

In this page you can find the example usage for javax.xml.xpath XPathFactory newXPath.

Prototype

public abstract XPath newXPath();

Source Link

Document

Return a new XPath using the underlying object model determined when the XPathFactory was instantiated.

Usage

From source file:AwsConsoleApp.java

public static void main(String[] args) throws Exception {

    System.out.println("===========================================");
    System.out.println("Welcome to the AWS VPN connection creator");
    System.out.println("===========================================");

    init();/*from   w  ww .  j  a  v a 2  s .c  o m*/
    List<String> CIDRblocks = new ArrayList<String>();
    String vpnType = null;
    String vpnGatewayId = null;
    String customerGatewayId = null;
    String customerGatewayInfoPath = null;
    String routes = null;

    options.addOption("h", "help", false, "show help.");
    options.addOption("vt", "vpntype", true, "Set vpn tunnel type e.g. (ipec.1)");
    options.addOption("vgw", "vpnGatewayId", true, "Set AWS VPN Gateway ID e.g. (vgw-eca54d85)");
    options.addOption("cgw", "customerGatewayId", true, "Set AWS Customer Gateway ID e.g. (cgw-c16e87a8)");
    options.addOption("r", "staticroutes", true, "Set static routes e.g. cutomer subnet 10.77.77.0/24");
    options.addOption("vi", "vpninfo", true, "path to vpn info file c:\\temp\\customerGatewayInfo.xml");

    CommandLineParser parser = new BasicParser();
    CommandLine cmd = null;
    // Parse command line options
    try {
        cmd = parser.parse(options, args);

        if (cmd.hasOption("h"))
            help();

        if (cmd.hasOption("vt")) {
            log.log(Level.INFO, "Using cli argument -vt=" + cmd.getOptionValue("vt"));

            vpnType = cmd.getOptionValue("vt");

            // Whatever you want to do with the setting goes here
        } else {
            log.log(Level.SEVERE, "Missing vt option");
            help();
        }

        if (cmd.hasOption("vgw")) {
            log.log(Level.INFO, "Using cli argument -vgw=" + cmd.getOptionValue("vgw"));
            vpnGatewayId = cmd.getOptionValue("vgw");
        } else {
            log.log(Level.SEVERE, "Missing vgw option");
            help();
        }

        if (cmd.hasOption("cgw")) {
            log.log(Level.INFO, "Using cli argument -cgw=" + cmd.getOptionValue("cgw"));
            customerGatewayId = cmd.getOptionValue("cgw");

        } else {
            log.log(Level.SEVERE, "Missing cgw option");
            help();
        }

        if (cmd.hasOption("r")) {
            log.log(Level.INFO, "Using cli argument -r=" + cmd.getOptionValue("r"));
            routes = cmd.getOptionValue("r");

            String[] routeItems = routes.split(",");
            CIDRblocks = Arrays.asList(routeItems);

        } else {
            log.log(Level.SEVERE, "Missing r option");
            help();
        }

        if (cmd.hasOption("vi")) {
            log.log(Level.INFO, "Using cli argument -vi=" + cmd.getOptionValue("vi"));
            customerGatewayInfoPath = cmd.getOptionValue("vi");

        } else {
            log.log(Level.SEVERE, "Missing vi option");
            help();
        }

    } catch (ParseException e) {
        log.log(Level.SEVERE, "Failed to parse comand line properties", e);
        help();
    }

    /*
     * Amazon VPC
     * Create and delete VPN tunnel to customer VPN hardware
     */
    try {

        //String vpnType = "ipsec.1";
        //String vpnGatewayId = "vgw-eca54d85";
        //String customerGatewayId = "cgw-c16e87a8";
        //List<String> CIDRblocks = new ArrayList<String>();
        //CIDRblocks.add("10.77.77.0/24");
        //CIDRblocks.add("172.16.1.0/24");
        //CIDRblocks.add("172.18.1.0/24");
        //CIDRblocks.add("10.66.66.0/24");
        //CIDRblocks.add("10.8.1.0/24");

        //String customerGatewayInfoPath = "c:\\temp\\customerGatewayInfo.xml";

        Boolean staticRoutesOnly = true;

        List<String> connectionIds = new ArrayList<String>();
        List<String> connectionIdList = new ArrayList<String>();

        connectionIdList = vpnExists(connectionIds);

        if (connectionIdList.size() == 0) {
            CreateVpnConnectionRequest vpnReq = new CreateVpnConnectionRequest(vpnType, customerGatewayId,
                    vpnGatewayId);
            CreateVpnConnectionResult vpnRes = new CreateVpnConnectionResult();

            VpnConnectionOptionsSpecification vpnspec = new VpnConnectionOptionsSpecification();
            vpnspec.setStaticRoutesOnly(staticRoutesOnly);
            vpnReq.setOptions(vpnspec);

            System.out.println("Creating VPN connection");
            vpnRes = ec2.createVpnConnection(vpnReq);
            String vpnConnId = vpnRes.getVpnConnection().getVpnConnectionId();
            String customerGatewayInfo = vpnRes.getVpnConnection().getCustomerGatewayConfiguration();

            //System.out.println("Customer Gateway Info:" + customerGatewayInfo);

            // Write Customer Gateway Info to file
            System.out.println("Writing Customer Gateway Info to file:" + customerGatewayInfoPath);
            try (PrintStream out = new PrintStream(new FileOutputStream(customerGatewayInfoPath))) {
                out.print(customerGatewayInfo);
            }

            System.out.println("Creating VPN routes");
            for (String destCIDR : CIDRblocks) {
                CreateVpnConnectionRouteRequest routeReq = new CreateVpnConnectionRouteRequest();
                CreateVpnConnectionRouteResult routeRes = new CreateVpnConnectionRouteResult();

                routeReq.setDestinationCidrBlock(destCIDR);
                routeReq.setVpnConnectionId(vpnConnId);

                routeRes = ec2.createVpnConnectionRoute(routeReq);
            }

            // Parse XML file
            File file = new File(customerGatewayInfoPath);
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            DocumentBuilder db = dbf.newDocumentBuilder();
            Document document = db.parse(customerGatewayInfoPath);

            XPathFactory xPathfactory = XPathFactory.newInstance();
            XPath xpath = xPathfactory.newXPath();
            XPathExpression exprGetipAddress = xpath
                    .compile("/vpn_connection/ipsec_tunnel/vpn_gateway/tunnel_outside_address/ip_address");
            NodeList vpnGateway = (NodeList) exprGetipAddress.evaluate(document, XPathConstants.NODESET);
            if (vpnGateway != null) {
                for (int i = 0; i < vpnGateway.getLength(); i++) {
                    String vpnGatewayIP = vpnGateway.item(i).getTextContent();
                    System.out
                            .println("AWS vpnGatewayIP for tunnel " + Integer.toString(i) + " " + vpnGatewayIP);
                }
            }

            System.out.println("==============================================");

            XPathExpression exprGetKey = xpath.compile("/vpn_connection/ipsec_tunnel/ike/pre_shared_key");
            NodeList presharedKeyList = (NodeList) exprGetKey.evaluate(document, XPathConstants.NODESET);
            if (presharedKeyList != null) {
                for (int i = 0; i < presharedKeyList.getLength(); i++) {
                    String pre_shared_key = presharedKeyList.item(i).getTextContent();
                    System.out.println(
                            "AWS pre_shared_key for tunnel " + Integer.toString(i) + " " + pre_shared_key);
                }
            }

            System.out.println("Creating VPN creation completed!");

        } else {
            boolean yn;
            Scanner scan = new Scanner(System.in);
            System.out.println("Enter yes or no to delete VPN connection: ");
            String input = scan.next();
            String answer = input.trim().toLowerCase();
            while (true) {
                if (answer.equals("yes")) {
                    yn = true;
                    break;
                } else if (answer.equals("no")) {
                    yn = false;
                    System.exit(0);
                } else {
                    System.out.println("Sorry, I didn't catch that. Please answer yes/no");
                }
            }

            // Delete all existing VPN connections
            System.out.println("Deleting AWS VPN connection(s)");

            for (String vpnConID : connectionIdList) {
                DeleteVpnConnectionResult delVPNres = new DeleteVpnConnectionResult();
                DeleteVpnConnectionRequest delVPNreq = new DeleteVpnConnectionRequest();
                delVPNreq.setVpnConnectionId(vpnConID);

                delVPNres = ec2.deleteVpnConnection(delVPNreq);
                System.out.println("Successfully deleted AWS VPN conntion: " + vpnConID);

            }

        }

    } catch (AmazonServiceException ase) {
        System.out.println("Caught Exception: " + ase.getMessage());
        System.out.println("Reponse Status Code: " + ase.getStatusCode());
        System.out.println("Error Code: " + ase.getErrorCode());
        System.out.println("Request ID: " + ase.getRequestId());
    }

}

From source file:InlineSchemaValidator.java

/** Main program entry point. */
public static void main(String[] argv) {

    // is there anything to do?
    if (argv.length == 0) {
        printUsage();/*from  w w w  .ja  v a2  s.  c  o m*/
        System.exit(1);
    }

    // variables
    Vector schemas = null;
    Vector instances = null;
    HashMap prefixMappings = null;
    HashMap uriMappings = null;
    String docURI = argv[argv.length - 1];
    String schemaLanguage = DEFAULT_SCHEMA_LANGUAGE;
    int repetition = DEFAULT_REPETITION;
    boolean schemaFullChecking = DEFAULT_SCHEMA_FULL_CHECKING;
    boolean honourAllSchemaLocations = DEFAULT_HONOUR_ALL_SCHEMA_LOCATIONS;
    boolean validateAnnotations = DEFAULT_VALIDATE_ANNOTATIONS;
    boolean generateSyntheticAnnotations = DEFAULT_GENERATE_SYNTHETIC_ANNOTATIONS;
    boolean memoryUsage = DEFAULT_MEMORY_USAGE;

    // process arguments
    for (int i = 0; i < argv.length - 1; ++i) {
        String arg = argv[i];
        if (arg.startsWith("-")) {
            String option = arg.substring(1);
            if (option.equals("l")) {
                // get schema language name
                if (++i == argv.length) {
                    System.err.println("error: Missing argument to -l option.");
                } else {
                    schemaLanguage = argv[i];
                }
                continue;
            }
            if (option.equals("x")) {
                if (++i == argv.length) {
                    System.err.println("error: Missing argument to -x option.");
                    continue;
                }
                String number = argv[i];
                try {
                    int value = Integer.parseInt(number);
                    if (value < 1) {
                        System.err.println("error: Repetition must be at least 1.");
                        continue;
                    }
                    repetition = value;
                } catch (NumberFormatException e) {
                    System.err.println("error: invalid number (" + number + ").");
                }
                continue;
            }
            if (arg.equals("-a")) {
                // process -a: xpath expressions for schemas
                if (schemas == null) {
                    schemas = new Vector();
                }
                while (i + 1 < argv.length - 1 && !(arg = argv[i + 1]).startsWith("-")) {
                    schemas.add(arg);
                    ++i;
                }
                continue;
            }
            if (arg.equals("-i")) {
                // process -i: xpath expressions for instance documents
                if (instances == null) {
                    instances = new Vector();
                }
                while (i + 1 < argv.length - 1 && !(arg = argv[i + 1]).startsWith("-")) {
                    instances.add(arg);
                    ++i;
                }
                continue;
            }
            if (arg.equals("-nm")) {
                String prefix;
                String uri;
                while (i + 2 < argv.length - 1 && !(prefix = argv[i + 1]).startsWith("-")
                        && !(uri = argv[i + 2]).startsWith("-")) {
                    if (prefixMappings == null) {
                        prefixMappings = new HashMap();
                        uriMappings = new HashMap();
                    }
                    prefixMappings.put(prefix, uri);
                    HashSet prefixes = (HashSet) uriMappings.get(uri);
                    if (prefixes == null) {
                        prefixes = new HashSet();
                        uriMappings.put(uri, prefixes);
                    }
                    prefixes.add(prefix);
                    i += 2;
                }
                continue;
            }
            if (option.equalsIgnoreCase("f")) {
                schemaFullChecking = option.equals("f");
                continue;
            }
            if (option.equalsIgnoreCase("hs")) {
                honourAllSchemaLocations = option.equals("hs");
                continue;
            }
            if (option.equalsIgnoreCase("va")) {
                validateAnnotations = option.equals("va");
                continue;
            }
            if (option.equalsIgnoreCase("ga")) {
                generateSyntheticAnnotations = option.equals("ga");
                continue;
            }
            if (option.equalsIgnoreCase("m")) {
                memoryUsage = option.equals("m");
                continue;
            }
            if (option.equals("h")) {
                printUsage();
                continue;
            }
            System.err.println("error: unknown option (" + option + ").");
            continue;
        }
    }

    try {
        // Create new instance of inline schema validator.
        InlineSchemaValidator inlineSchemaValidator = new InlineSchemaValidator(prefixMappings, uriMappings);

        // Parse document containing schemas and validation roots
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setNamespaceAware(true);
        DocumentBuilder db = dbf.newDocumentBuilder();
        db.setErrorHandler(inlineSchemaValidator);
        Document doc = db.parse(docURI);

        // Create XPath factory for selecting schema and validation roots
        XPathFactory xpf = XPathFactory.newInstance();
        XPath xpath = xpf.newXPath();
        xpath.setNamespaceContext(inlineSchemaValidator);

        // Select schema roots from the DOM
        NodeList[] schemaNodes = new NodeList[schemas != null ? schemas.size() : 0];
        for (int i = 0; i < schemaNodes.length; ++i) {
            XPathExpression xpathSchema = xpath.compile((String) schemas.elementAt(i));
            schemaNodes[i] = (NodeList) xpathSchema.evaluate(doc, XPathConstants.NODESET);
        }

        // Select validation roots from the DOM
        NodeList[] instanceNodes = new NodeList[instances != null ? instances.size() : 0];
        for (int i = 0; i < instanceNodes.length; ++i) {
            XPathExpression xpathInstance = xpath.compile((String) instances.elementAt(i));
            instanceNodes[i] = (NodeList) xpathInstance.evaluate(doc, XPathConstants.NODESET);
        }

        // Create SchemaFactory and configure
        SchemaFactory factory = SchemaFactory.newInstance(schemaLanguage);
        factory.setErrorHandler(inlineSchemaValidator);

        try {
            factory.setFeature(SCHEMA_FULL_CHECKING_FEATURE_ID, schemaFullChecking);
        } catch (SAXNotRecognizedException e) {
            System.err.println("warning: SchemaFactory does not recognize feature ("
                    + SCHEMA_FULL_CHECKING_FEATURE_ID + ")");
        } catch (SAXNotSupportedException e) {
            System.err.println("warning: SchemaFactory does not support feature ("
                    + SCHEMA_FULL_CHECKING_FEATURE_ID + ")");
        }
        try {
            factory.setFeature(HONOUR_ALL_SCHEMA_LOCATIONS_ID, honourAllSchemaLocations);
        } catch (SAXNotRecognizedException e) {
            System.err.println("warning: SchemaFactory does not recognize feature ("
                    + HONOUR_ALL_SCHEMA_LOCATIONS_ID + ")");
        } catch (SAXNotSupportedException e) {
            System.err.println(
                    "warning: SchemaFactory does not support feature (" + HONOUR_ALL_SCHEMA_LOCATIONS_ID + ")");
        }
        try {
            factory.setFeature(VALIDATE_ANNOTATIONS_ID, validateAnnotations);
        } catch (SAXNotRecognizedException e) {
            System.err.println(
                    "warning: SchemaFactory does not recognize feature (" + VALIDATE_ANNOTATIONS_ID + ")");
        } catch (SAXNotSupportedException e) {
            System.err.println(
                    "warning: SchemaFactory does not support feature (" + VALIDATE_ANNOTATIONS_ID + ")");
        }
        try {
            factory.setFeature(GENERATE_SYNTHETIC_ANNOTATIONS_ID, generateSyntheticAnnotations);
        } catch (SAXNotRecognizedException e) {
            System.err.println("warning: SchemaFactory does not recognize feature ("
                    + GENERATE_SYNTHETIC_ANNOTATIONS_ID + ")");
        } catch (SAXNotSupportedException e) {
            System.err.println("warning: SchemaFactory does not support feature ("
                    + GENERATE_SYNTHETIC_ANNOTATIONS_ID + ")");
        }

        // Build Schema from sources
        Schema schema;
        {
            DOMSource[] sources;
            int size = 0;
            for (int i = 0; i < schemaNodes.length; ++i) {
                size += schemaNodes[i].getLength();
            }
            sources = new DOMSource[size];
            if (size == 0) {
                schema = factory.newSchema();
            } else {
                int count = 0;
                for (int i = 0; i < schemaNodes.length; ++i) {
                    NodeList nodeList = schemaNodes[i];
                    int nodeListLength = nodeList.getLength();
                    for (int j = 0; j < nodeListLength; ++j) {
                        sources[count++] = new DOMSource(nodeList.item(j));
                    }
                }
                schema = factory.newSchema(sources);
            }
        }

        // Setup validator and input source.
        Validator validator = schema.newValidator();
        validator.setErrorHandler(inlineSchemaValidator);

        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) {
            System.err.println(
                    "warning: Validator does not support feature (" + GENERATE_SYNTHETIC_ANNOTATIONS_ID + ")");
        }

        // Validate instance documents
        for (int i = 0; i < instanceNodes.length; ++i) {
            NodeList nodeList = instanceNodes[i];
            int nodeListLength = nodeList.getLength();
            for (int j = 0; j < nodeListLength; ++j) {
                DOMSource source = new DOMSource(nodeList.item(j));
                source.setSystemId(docURI);
                inlineSchemaValidator.validate(validator, source, docURI, repetition, memoryUsage);
            }
        }
    } catch (SAXParseException e) {
        // ignore
    } catch (Exception e) {
        System.err.println("error: Parse error occurred - " + e.getMessage());
        if (e instanceof SAXException) {
            Exception nested = ((SAXException) e).getException();
            if (nested != null) {
                e = nested;
            }
        }
        e.printStackTrace(System.err);
    }
}

From source file:Main.java

public static XPath newXPath() {
    XPathFactory factory = newXPathFactory();
    return factory.newXPath();
}

From source file:Main.java

public static Node findNode(String xpath, Node scope) throws XPathExpressionException {
    XPathFactory xpf = XPathFactory.newInstance();
    XPath xp = xpf.newXPath();

    return (Node) xp.evaluate(xpath, scope, XPathConstants.NODE);
}

From source file:Main.java

public static String eval(Node doc, String xpath_url) throws XPathExpressionException {
    XPathFactory xpathFactory = XPathFactory.newInstance();
    return xpathFactory.newXPath().compile(xpath_url).evaluate(doc);
}

From source file:Main.java

public static XPath createXPath() {
    XPathFactory factory = XPathFactory.newInstance();
    return factory.newXPath();
}

From source file:Main.java

public static XPath getXPathBuilder() {
    XPathFactory xpathfactory = XPathFactory.newInstance();
    XPath xpath = xpathfactory.newXPath();
    return xpath;
}

From source file:Main.java

static XPath makeXPath() {
    XPathFactory xpfactory = XPathFactory.newInstance();
    return xpfactory.newXPath();
}

From source file:Main.java

private static XPathExpression createXPathExpression(final String expression) throws XPathExpressionException {
    assert expression != null;
    XPathFactory xFactory = XPathFactory.newInstance();
    XPath xpath = xFactory.newXPath();
    XPathExpression expr = xpath.compile(expression);
    return expr;// w  w w .j a  v  a 2 s  . c  o  m
}

From source file:Main.java

public static Element getElementByXPath(Element e, String xPathExpression) throws XPathExpressionException {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();

    return (Element) (xPath.evaluate(xPathExpression, e, XPathConstants.NODE));

}