Examples of net.sf.saxon.query.StaticQueryContext.compileQuery()

Class net.sf.saxon.query.StaticQueryContext

Examples of net.sf.saxon.query.StaticQueryContext.compileQuery()

net.sf.saxon.query.StaticQueryContext.compileQuery()
Prepare an XQuery query for subsequent evaluation. The source text of the query is supplied as a String. The base URI of the query is taken from the static context, and defaults to the current working directory.
Note that this interface makes the caller responsible for decoding the query and presenting it as a string of characters. This means it is likely that any encoding specified in the query prolog will be ignored.
@param query The XQuery query to be evaluated, supplied as a string. @return an XQueryExpression object representing the prepared expression @throws net.sf.saxon.trans.XPathException if the syntax of the expression is wrong, or if it references namespaces, variables, or functions that have not been declared, or contains other static errors. @since 8.4

                fl = ps.getFunctionLibrary();
            } else {
                XQueryCompiler xqcomp = processor.newXQueryCompiler();
                StaticQueryContext sqc = xqcomp.getUnderlyingStaticContext();
                sqc.compileLibrary(connection.getInputStream(), "utf-8");
                XQueryExpression xqe = sqc.compileQuery("import module namespace f='" + ns + "'; .");
                QueryModule qm = xqe.getStaticContext();
                fl = qm.getGlobalFunctionLibrary();
            }


            // We think this will work because we know from the test above that we're not in Saxon HE.

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        XQueryExpression exp = implementation.getCompiledExpressionsCache().get(xqExpression);
        if (exp == null) {
            config = new Configuration();
            StaticQueryContext sqc = new StaticQueryContext(config);
            exp = sqc.compileQuery(xqExpression);
            implementation.getCompiledExpressionsCache().put(xqExpression, exp);
        } else {
            config = exp.getStaticContext().getConfiguration();
        }

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        Configuration config = new Configuration();
        StaticQueryContext sqc = new StaticQueryContext(config);
        XQueryExpression exp = null;
        try {
            exp = sqc.compileQuery(xqExpression);
        } catch (XPathException e) {
            throw new ContributionResolveException(e);
        }


        if (exp == null) {

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     */


    public static void exampleToStreamResult() throws XPathException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery("<a b='c'>{5+2}</a>");


        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final Properties props = new Properties();
        props.setProperty(OutputKeys.METHOD, "xml");
        props.setProperty(OutputKeys.INDENT, "yes");

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     */


    public static void exampleToSingleton() throws XPathException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery("avg(for $i in 1 to 10 return $i*$i)");


        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final BigDecimal result = (BigDecimal)exp.evaluateSingle(dynamicContext);
        System.out.println(result);

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     */


    public static void exampleToDOM() throws TransformerException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery("<a xmlns='http://a/uri' xmlns:a='another.uri'>text</a>");


        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        DOMResult result = new DOMResult();
        exp.run(dynamicContext, result, new Properties());

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     */


    public static void exampleToSequence() throws XPathException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery("for $i in 1 to 10 return ($i * $i)");


        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final SequenceIterator iter = exp.iterator(dynamicContext);
        while (true) {
            Item item = iter.next();

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     */


    public static void exampleToSerializedSequence() throws XPathException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery("<doc><chap><a>3</a></chap></doc>//a, <b>4</b>, 19");
        Properties props = new Properties();
        props.setProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");


        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        final SequenceIterator iter = exp.iterator(dynamicContext);

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     */


    public static void exampleToWrappedSequence() throws XPathException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery("<doc><chap><a>3</a></chap></doc>//a, <b>4</b>, attribute c {5}, 19");
        Properties props = new Properties();
        props.setProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
        props.setProperty(OutputKeys.INDENT, "yes");


        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);

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     */


    public static void exampleToHTMLFile() throws XPathException, IOException {
        final Configuration config = new Configuration();
        final StaticQueryContext sqc = config.newStaticQueryContext();
        final XQueryExpression exp = sqc.compileQuery(new FileReader("query/books-to-html.xq"));
        final DynamicQueryContext dynamicContext = new DynamicQueryContext(config);
        dynamicContext.setContextItem(config.buildDocument(new StreamSource("data/books.xml")));
        final Properties props = new Properties();
        props.setProperty(OutputKeys.METHOD, "html");
        props.setProperty(OutputKeys.DOCTYPE_PUBLIC, "-//W3C//DTD HTML 4.01 Transitional//EN");

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