Examples of Language

Examples of org.apache.camel.spi.Language

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    // Helper methods
    // -----------------------------------------------------------------------

    public Language resolveLanguage(String language) {
        Language answer;
        synchronized (languages) {
            answer = languages.get(language);

            // check if the language is singleton, if so return the shared instance
            if (answer instanceof IsSingleton) {
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Examples of org.apache.camel.spi.Language

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    public Predicate getRetryWhilePolicy(CamelContext context) {
        Predicate answer = getRetryWhile();

        if (getRetryWhileRef() != null) {
            // its a bean expression
            Language bean = context.resolveLanguage("bean");
            answer = bean.createPredicate(getRetryWhileRef());
        }

        return answer;
    }
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Examples of org.apache.camel.spi.Language

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        return params;
    }

    private Expression createFileLanguageExpression(String expression) {
        Language language;
        // only use file language if the name is complex (eg. using $)
        if (expression.contains("$")) {
            language = getCamelContext().resolveLanguage("file");
        } else {
            language = getCamelContext().resolveLanguage("constant");
        }
        return language.createExpression(expression);
    }
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Examples of org.apache.camel.spi.Language

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    // Helper methods
    // -----------------------------------------------------------------------

    public Language resolveLanguage(String language) {
        Language answer;
        synchronized (languages) {
            answer = languages.get(language);

            // check if the language is singleton, if so return the shared instance
            if (answer instanceof IsSingleton) {
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Examples of org.apache.camel.spi.Language

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    protected String getLanguageName() {
        return "simple";
    }

    protected void assertExpressionResultInstanceOf(String expressionText, Class<?> expectedType) {
        Language language = assertResolveLanguage(getLanguageName());
        Expression expression = language.createExpression(expressionText);
        assertNotNull("Cannot assert type when no type is provided", expectedType);
        assertNotNull("No Expression could be created for text: " + expressionText + " language: " + language, expression);
        Object answer = expression.evaluate(exchange, Object.class);
        assertIsInstanceOf(expectedType, answer);
    }
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Examples of org.apache.camel.spi.Language

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    }

    public Predicate<Exchange> createPredicate(RouteContext route) {
        if (predicate == null) {
            CamelContext camelContext = route.getCamelContext();
            Language language = camelContext.resolveLanguage(getLanguage());
            predicate = language.createPredicate(getExpression());
        }
        return predicate;
    }
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Examples of org.apache.camel.spi.Language

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    }

    public Expression createExpression(RouteContext routeContext) {
        if (expressionValue == null) {
            CamelContext camelContext = routeContext.getCamelContext();
            Language language = camelContext.resolveLanguage(getLanguage());
            expressionValue = language.createExpression(getExpression());
        }
        return expressionValue;
    }
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Examples of org.apache.camel.spi.Language

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    @Test
    public void testExpression() throws Exception {
        Exchange exchange = new DefaultExchange(context);
        exchange.getIn().setBody(new File("src/test/resources/books.json"));

        Language lan = context.resolveLanguage("jsonpath");
        Expression exp = lan.createExpression("$.store.book[*].author");
        List<?> authors = exp.evaluate(exchange, List.class);
        log.info("Authors {}", authors);

        assertNotNull(authors);
        assertEquals(2, authors.size());
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Examples of org.apache.camel.spi.Language

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    @Test
    public void testPredicate() throws Exception {
        Exchange exchange = new DefaultExchange(context);
        exchange.getIn().setBody(new File("src/test/resources/books.json"));

        Language lan = context.resolveLanguage("jsonpath");
        Predicate pre = lan.createPredicate("$.store.book[?(@.price < 10)]");
        boolean cheap = pre.matches(exchange);
        assertTrue("Should have cheap books", cheap);

        pre = lan.createPredicate("$.store.book[?(@.price > 30)]");
        boolean expensive = pre.matches(exchange);
        assertFalse("Should not have expensive books", expensive);
    }
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Examples of org.apache.camel.spi.Language

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        }
    }

    private static GenericFileExpressionRenamer<File> getDefaultCommitRenamer(CamelContext context) {
        // use context to lookup language to let it be loose coupled
        Language language = context.resolveLanguage("file");
        Expression expression = language.createExpression("${file:parent}/.camel/${file:onlyname}");
        return new GenericFileExpressionRenamer<File>(expression);
    }
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