Package org.apache.camel.spi

Examples of org.apache.camel.spi.Language.createExpression()

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            public Object evaluate(Exchange exchange) {
                // resolve language using context to have a clear separation of packages
                // must call evaluate to return the nested language evaluate when evaluating
                // stacked expressions
                Language language = exchange.getContext().resolveLanguage("bean");
                return language.createExpression(expression).evaluate(exchange, Object.class);
            }

            @Override
            public String toString() {
                return "bean(" + expression + ")";
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    protected void assertExpressionResultInstanceOf(String expressionText, Class<?> expectedType) {
        // TODO [hz]: we should refactor TestSupport.assertExpression(Expression, Exchange, Object)
        // into 2 methods, a helper that returns the value and use that helper in assertExpression
        // Then use the helper here to get the value and move this method to LanguageTestSupport
        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(Animal.class, answer);
    }
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            if (expressionType != null) {
                expressionValue = expressionType.createExpression(routeContext);
            } else {
                CamelContext camelContext = routeContext.getCamelContext();
                Language language = camelContext.resolveLanguage(getLanguage());
                expressionValue = language.createExpression(getExpression());
                configureExpression(routeContext, expressionValue);
            }
        }
        return expressionValue;
    }
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        Language language = camelContext.resolveLanguage(languageName);
        if (language == null) {
            throw new IllegalArgumentException("Cannot find the language: " + languageName + " on the classpath");
        }
        String expression = getExpressionFromAnnotation(annotation);
        return language.createExpression(expression);
    }

    protected String getExpressionFromAnnotation(Annotation annotation) {
        // lets try the 'value()' method
        try {
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     * Asserts that the expression evaluates to one of the two given values
     */
    protected void assertExpression(String expressionText, String expectedValue, String orThisExpectedValue) {
        Language language = assertResolveLanguage(getLanguageName());

        Expression<Exchange> expression = language.createExpression(expressionText);
        assertNotNull("No Expression could be created for text: " + expressionText + " language: " + language, expression);
       
        Object value = expression.evaluate(exchange);

        // lets try convert to the type of the expected
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     * given value on a specific exchange
     */
    protected void assertExpression(Exchange exchange, String languageName, String expressionText, Object expectedValue) {
        Language language = assertResolveLanguage(languageName);

        Expression<Exchange> expression = language.createExpression(expressionText);
        assertNotNull("No Expression could be created for text: " + expressionText + " language: " + language, expression);

        assertExpression(expression, exchange, expectedValue);
    }

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     */
    public static Expression resolveMandatoryExpression(CamelContext camelContext, String languageName, String expressionText) {
        notNull(expressionText, "expressionText");

        Language language = resolveMandatoryLanguage(camelContext, languageName);
        Expression<Exchange> expression = language.createExpression(expressionText);
        if (expression == null) {
            throw new IllegalArgumentException("Could not create expression: " + expressionText + " with language: " + language);
        }
        return expression;
    }
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            if (getExpressionType() != null) {
                setExpressionValue(getExpressionType().createExpression(camelContext));
            } else if (getExpression() != null) {
                ObjectHelper.notNull("language", getLanguage());
                Language language = camelContext.resolveLanguage(getLanguage());
                setExpressionValue(language.createExpression(getExpression()));
                configureExpression(camelContext, getExpressionValue());
            }
        }
        return getExpressionValue();
    }
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            public Object evaluate(Exchange exchange) {
                // resolve language using context to have a clear separation of packages
                // must call evaluate to return the nested language evaluate when evaluating
                // stacked expressions
                Language language = exchange.getContext().resolveLanguage("simple");
                return language.createExpression(expression).evaluate(exchange, Object.class);
            }

            @Override
            public String toString() {
                return "simple(" + expression + ")";
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            public Object evaluate(Exchange exchange) {
                // resolve language using context to have a clear separation of packages
                // must call evaluate to return the nested language evaluate when evaluating
                // stacked expressions
                Language language = exchange.getContext().resolveLanguage("bean");
                return language.createExpression(expression).evaluate(exchange, Object.class);
            }

            @Override
            public String toString() {
                return "bean(" + expression + ")";
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