Example usage for javax.xml.namespace NamespaceContext NamespaceContext

List of usage examples for javax.xml.namespace NamespaceContext NamespaceContext

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In this page you can find the example usage for javax.xml.namespace NamespaceContext NamespaceContext.

Prototype

NamespaceContext

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Usage

From source file:org.openhab.binding.ihc.ws.IhcResourceInteractionService.java

private String getValue(Node n, String expr) throws XPathExpressionException {

    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(new NamespaceContext() {

        public String getNamespaceURI(String prefix) {

            if (prefix == null) {
                throw new NullPointerException("Null prefix");
            } else if ("SOAP-ENV".equals(prefix)) {
                return "http://schemas.xmlsoap.org/soap/envelope/";
            } else if ("ns1".equals(prefix)) {
                return "utcs";
            }//from w  ww . ja  v  a  2 s  .c o m
            // else if ("ns2".equals(prefix)) return "utcs.values";
            return "utcs.values";
            // return null;
        }

        public String getPrefix(String uri) {
            return null;
        }

        @SuppressWarnings("rawtypes")
        public Iterator getPrefixes(String uri) {
            throw new UnsupportedOperationException();
        }
    });

    XPathExpression pathExpr = xpath.compile(expr);
    return (String) pathExpr.evaluate(n, XPathConstants.STRING);
}

From source file:org.rdswicthboard.utils.rdf.oai.App.java

public static void main(String[] args) {
    // create the command line parser
    CommandLineParser parser = new DefaultParser();

    // create the Options
    Options options = new Options();
    options.addOption("i", PROPERTY_INPUT_FILE, true, "input RDF file");
    options.addOption("o", PROPERTY_OUTPUT_FILE, true,
            "output OAI-PMH XML file (default is " + DEFAULT_OUTPUT_FILE + ")");
    options.addOption("c", PROPERTY_CONFIG_FILE, true, "configuration file (" + PROPERTIES_FILE + ")");
    options.addOption("s", PROPERTY_SET_SPEC, true, "set spec value (default is " + DEFAULT_SET_SPEC + ")");
    options.addOption("I", PROPERTY_INPUT_ENCODING, true,
            "input file encoding (default is " + DEFAULT_ENCODING + ")");
    options.addOption("O", PROPERTY_OUTPUT_ENCODING, true,
            "output file encoding (default is " + DEFAULT_ENCODING + ")");
    options.addOption("f", PROPERTY_FORMAT_OUTPUT, false, "format output encoding");
    options.addOption("h", PROPERTY_HELP, false, "print this message");

    try {/*ww w  .  j  av a2 s. c  o  m*/
        // parse the command line arguments
        CommandLine line = parser.parse(options, args);

        if (line.hasOption(PROPERTY_HELP)) {
            HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp("java -jar rdf2oai-[verion].jar [PARAMETERS] [INPUT FILE] [OUTPUT FILE]",
                    options);

            System.exit(0);
        }

        // variables to store program properties
        CompositeConfiguration config = new CompositeConfiguration();
        config.setProperty(PROPERTY_OUTPUT_FILE, DEFAULT_OUTPUT_FILE);
        config.setProperty(PROPERTY_INPUT_ENCODING, DEFAULT_ENCODING);
        config.setProperty(PROPERTY_OUTPUT_ENCODING, DEFAULT_ENCODING);
        config.setProperty(PROPERTY_SET_SPEC, DEFAULT_SET_SPEC);
        config.setProperty(PROPERTY_FORMAT_OUTPUT, DEFAULT_FORMAT_OUTPUT);

        // check if arguments has input file properties 
        if (line.hasOption(PROPERTY_CONFIG_FILE)) {
            // if it does, load the specified configuration file
            Path defaultConfig = Paths.get(line.getOptionValue(PROPERTY_CONFIG_FILE));
            if (Files.isRegularFile(defaultConfig) && Files.isReadable(defaultConfig)) {
                config.addConfiguration(new PropertiesConfiguration(defaultConfig.toFile()));
            } else
                throw new Exception("Invalid configuration file: " + defaultConfig.toString());
        } else {
            // if it not, try to load default configurationfile
            Path defaultConfig = Paths.get(PROPERTIES_FILE);
            if (Files.isRegularFile(defaultConfig) && Files.isReadable(defaultConfig)) {
                config.addConfiguration(new PropertiesConfiguration(defaultConfig.toFile()));
            }
        }

        // check if arguments has input file 
        if (line.hasOption(PROPERTY_INPUT_FILE))
            config.setProperty(PROPERTY_INPUT_FILE, line.getOptionValue(PROPERTY_INPUT_FILE));

        // check if arguments has output file
        if (line.hasOption(PROPERTY_OUTPUT_FILE))
            config.setProperty(PROPERTY_OUTPUT_FILE, line.getOptionValue(PROPERTY_OUTPUT_FILE));

        // check if arguments has set spec name
        if (line.hasOption(PROPERTY_SET_SPEC))
            config.setProperty(PROPERTY_SET_SPEC, line.getOptionValue(PROPERTY_SET_SPEC));

        // check if arguments has input encoding
        if (line.hasOption(PROPERTY_INPUT_ENCODING))
            config.setProperty(PROPERTY_INPUT_ENCODING, line.getOptionValue(PROPERTY_INPUT_ENCODING));

        // check if arguments has output encoding
        if (line.hasOption(PROPERTY_OUTPUT_ENCODING))
            config.setProperty(PROPERTY_OUTPUT_ENCODING, line.getOptionValue(PROPERTY_OUTPUT_ENCODING));

        // check if arguments has output encoding
        if (line.hasOption(PROPERTY_FORMAT_OUTPUT))
            config.setProperty(PROPERTY_FORMAT_OUTPUT, "yes");

        // check if arguments has input file without a key
        if (line.getArgs().length > 0) {
            config.setProperty(PROPERTY_INPUT_FILE, line.getArgs()[0]);

            // check if arguments has output file without a key
            if (line.getArgs().length > 1) {
                config.setProperty(PROPERTY_OUTPUT_FILE, line.getArgs()[1]);

                // check if there is too many arguments
                if (line.getArgs().length > 2)
                    throw new Exception("Too many arguments");
            }
        }

        // The program has default output file, but input file must be presented
        if (!config.containsKey(PROPERTY_INPUT_FILE))
            throw new Exception("Please specify input file");

        // extract input file
        String inputFile = config.getString(PROPERTY_INPUT_FILE);

        // extract output file
        String outputFile = config.getString(PROPERTY_OUTPUT_FILE);

        // extract set spec
        String setSpecName = config.getString(PROPERTY_SET_SPEC);

        // extract encoding
        String inputEncoding = config.getString(PROPERTY_INPUT_ENCODING);
        String outputEncoding = config.getString(PROPERTY_OUTPUT_ENCODING);

        boolean formatOutput = config.getBoolean(PROPERTY_FORMAT_OUTPUT);

        // test if source is an regular file and it is readable
        Path source = Paths.get(inputFile);
        if (!Files.isRegularFile(source))
            throw new Exception("The input file: " + source.toString() + " is not an regular file");
        if (!Files.isReadable(source))
            throw new Exception("The input file: " + source.toString() + " is not readable");

        Path target = Paths.get(outputFile);
        if (Files.exists(target)) {
            if (!Files.isRegularFile(target))
                throw new Exception("The output file: " + target.toString() + " is not an regular file");
            if (!Files.isWritable(target))
                throw new Exception("The output file: " + target.toString() + " is not writable");
        }

        // create and setup document builder factory
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);

        // create new document builder
        DocumentBuilder builder = factory.newDocumentBuilder();

        // create oai document
        Document oai = builder.newDocument();

        // set document version
        oai.setXmlVersion("1.0");
        oai.setXmlStandalone(true);

        // create root OAI-PMH element
        Element oaiPmh = oai.createElement("OAI-PMH");

        // set document namespaces
        oaiPmh.setAttribute("xmlns", "http://www.openarchives.org/OAI/2.0/");
        oaiPmh.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xsi",
                "http://www.w3.org/2001/XMLSchema-instance");
        oaiPmh.setAttribute("xsi:schemaLocation",
                "http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd");

        // append root node
        oai.appendChild(oaiPmh);

        // create responseDate element
        Element responseDate = oai.createElement("responseDate");

        // create simple date format
        DateFormat dateFormat = new SimpleDateFormat(TIME_FORMAT);

        // generate date
        String date = dateFormat.format(new Date());

        // set current date and time
        responseDate.setTextContent(date);

        oaiPmh.appendChild(responseDate);

        Element listRecords = oai.createElement("ListRecords");
        oaiPmh.appendChild(listRecords);

        // create xpath factory
        XPathFactory xPathfactory = XPathFactory.newInstance();

        // create namespace context
        NamespaceContext namespaceContext = new NamespaceContext() {
            public String getNamespaceURI(String prefix) {
                if (prefix.equals("rdf"))
                    return RDF_NAMESPACE;
                else if (prefix.equals("rns"))
                    return RNF_NAMESPACE;
                else
                    return null;
            }

            @Override
            public Iterator<?> getPrefixes(String val) {
                throw new IllegalAccessError("Not implemented!");
            }

            @Override
            public String getPrefix(String uri) {
                throw new IllegalAccessError("Not implemented!");
            }
        };

        // create xpath object
        XPath xpath = xPathfactory.newXPath();
        // set namespace contex
        xpath.setNamespaceContext(namespaceContext);

        // create XPath expressions
        XPathExpression idExpr = xpath.compile("/rdf:RDF/rns:Researcher/@rdf:about");
        XPathExpression emptyExpr = xpath.compile("//text()[normalize-space(.) = '']");

        // create RegEx patterns  
        Pattern pattern = Pattern.compile(
                "<\\?xml\\s+version=\"[\\d\\.]+\"\\s*\\?>\\s*<\\s*rdf:RDF[^>]*>[\\s\\S]*?<\\s*\\/\\s*rdf:RDF\\s*>");

        // read file into a string
        String content = new String(Files.readAllBytes(source), inputEncoding);

        Matcher matcher = pattern.matcher(content);
        // process all records
        while (matcher.find()) {
            // convert string to input stream
            ByteArrayInputStream input = new ByteArrayInputStream(
                    matcher.group().getBytes(StandardCharsets.UTF_8.toString()));

            // parse the xml document
            Document doc = builder.parse(input);

            // remove all spaces
            NodeList emptyNodes = (NodeList) emptyExpr.evaluate(doc, XPathConstants.NODESET);
            // Remove each empty text node from document.
            for (int i = 0; i < emptyNodes.getLength(); i++) {
                Node emptyTextNode = emptyNodes.item(i);
                emptyTextNode.getParentNode().removeChild(emptyTextNode);
            }

            // obtain researcher id
            String id = (String) idExpr.evaluate(doc, XPathConstants.STRING);
            if (StringUtils.isEmpty(id))
                throw new Exception("The record identifier can not be empty");

            // create record element
            Element record = oai.createElement("record");
            listRecords.appendChild(record);

            // create header element
            Element header = oai.createElement("header");
            record.appendChild(header);

            // create identifier element
            Element identifier = oai.createElement("identifier");
            identifier.setTextContent(id);
            header.appendChild(identifier);

            // create datestamp element
            Element datestamp = oai.createElement("datestamp");
            datestamp.setTextContent(date);
            header.appendChild(datestamp);

            // create set spec element if it exists
            if (!StringUtils.isEmpty(setSpecName)) {
                Element setSpec = oai.createElement("setSpec");
                setSpec.setTextContent(setSpecName);
                header.appendChild(setSpec);
            }

            // create metadata element
            Element metadata = oai.createElement("metadata");
            record.appendChild(metadata);

            // import the record
            metadata.appendChild(oai.importNode(doc.getDocumentElement(), true));
        }

        // create transformer factory
        TransformerFactory transformerFactory = TransformerFactory.newInstance();

        // create transformer
        Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.ENCODING, outputEncoding);

        if (formatOutput) {
            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
            transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
        } else
            transformer.setOutputProperty(OutputKeys.INDENT, "no");

        // create dom source
        DOMSource oaiSource = new DOMSource(oai);

        // create stream result
        StreamResult result = new StreamResult(target.toFile());

        // stream xml to file
        transformer.transform(oaiSource, result);

        // optional stream xml to console for testing
        //StreamResult consoleResult = new StreamResult(System.out);
        //transformer.transform(oaiSource, consoleResult);

    } catch (Exception e) {
        System.err.println("Error: " + e.getMessage());

        //e.printStackTrace();

        System.exit(1);
    }
}

From source file:org.slc.sli.sandbox.idp.saml.SamlResponseComposerTest.java

private static NodeList xpathList(Document doc, String xpath) {
    try {//  www. j  a v  a2  s.  c  om
        XPath xpather = XPathFactory.newInstance().newXPath();
        xpather.setNamespaceContext(new NamespaceContext() {

            @Override
            public String getNamespaceURI(String prefix) {
                if ("samlp".equals(prefix)) {
                    return SAMLP_NS;
                } else if ("saml".equals(prefix)) {
                    return SAML_NS;
                }
                return null;
            }

            @Override
            public String getPrefix(String namespaceURI) {
                return null;
            }

            @SuppressWarnings("rawtypes")
            @Override
            public Iterator getPrefixes(String namespaceURI) {
                return null;
            }
        });
        XPathExpression xpathExpr = xpather.compile(xpath);
        NodeList nodes = (NodeList) xpathExpr.evaluate(doc, XPathConstants.NODESET);
        return nodes;
    } catch (XPathExpressionException e) {
        throw new SamlProcessException(e);
    }
}

From source file:smartrics.rest.fitnesse.fixture.support.Tools.java

private static NamespaceContext toNsContext(final Map<String, String> ns) {
    NamespaceContext ctx = new NamespaceContext() {

        @Override//from   ww  w  .j  av a2 s  .c o m
        public String getNamespaceURI(String prefix) {
            String u = ns.get(prefix);
            if (null == u) {
                return XMLConstants.NULL_NS_URI;
            }
            return u;
        }

        @Override
        public String getPrefix(String namespaceURI) {
            for (String k : ns.keySet()) {
                if (ns.get(k).equals(namespaceURI)) {
                    return k;
                }
            }
            return null;
        }

        @Override
        public Iterator<?> getPrefixes(String namespaceURI) {
            return null;
        }

    };
    return ctx;
}