Package org.apache.camel.spi

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

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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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     * given value on a specific exchange
     */
    protected void assertExpression(Exchange exchange, String languageName, String expressionText, Object expectedValue) {
        Language language = assertResolveLanguage(languageName);

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

        assertExpression(expression, exchange, expectedValue);
    }

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                    if (exchange != null && !list.isEmpty()) {
                        Object value = list.get(0);
                        if (value != null) {
                            String text = exchange.get().getContext().getTypeConverter().convertTo(String.class, value);
                            Language simple = exchange.get().getContext().resolveLanguage("simple");
                            Expression exp = simple.createExpression(text);
                            Object answer = exp.evaluate(exchange.get(), Object.class);
                            return answer;
                        }
                    }
                    return null;
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        if (expression.contains("$")) {
            language = getCamelContext().resolveLanguage("file");
        } else {
            language = getCamelContext().resolveLanguage("constant");
        }
        return language.createExpression(expression);
    }

    /**
     * Creates the associated name of the done file based on the given file name.
     * <p/>
 
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            // the header name can be an expression too, that should override
            // whatever configured on the endpoint
            if (StringHelper.hasStartToken(name, "simple")) {
                log.trace("{} contains a Simple expression: {}", Exchange.FILE_NAME, name);
                Language language = getEndpoint().getCamelContext().resolveLanguage("file");
                expression = language.createExpression(name);
            }
        }
        if (expression != null) {
            log.trace("Filename evaluated as expression: {}", expression);
            name = expression.evaluate(exchange, String.class);
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                    if (exchange != null && !list.isEmpty()) {
                        Object value = list.get(0);
                        if (value != null) {
                            String text = exchange.get().getContext().getTypeConverter().convertTo(String.class, value);
                            Language simple = exchange.get().getContext().resolveLanguage("simple");
                            Expression exp = simple.createExpression(text);
                            Object answer = exp.evaluate(exchange.get(), Object.class);
                            return answer;
                        }
                    }
                    return null;
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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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        if (expression.contains("$")) {
            language = getCamelContext().resolveLanguage("file");
        } else {
            language = getCamelContext().resolveLanguage("constant");
        }
        return language.createExpression(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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