Package org.apache.camel

Examples of org.apache.camel.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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            assertEquals("expression must be specified", e.getMessage());
        }
    }

    public void testBodyExpression() throws Exception {
        Expression exp = SimpleLanguage.simple("${body}");
        assertNotNull(exp);
    }
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        Expression exp = SimpleLanguage.simple("${body}");
        assertNotNull(exp);
    }

    public void testBodyExpressionUsingAlternativeStartToken() throws Exception {
        Expression exp = SimpleLanguage.simple("$simple{body}");
        assertNotNull(exp);
    }
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        assertNotNull(exp);
    }

    public void testBodyExpressionNotStringType() throws Exception {
        exchange.getIn().setBody(123);
        Expression exp = SimpleLanguage.simple("${body}");
        assertNotNull(exp);
        Object val = exp.evaluate(exchange, Object.class);
        assertIsInstanceOf(Integer.class, val);
        assertEquals(123, val);
    }
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        return "transform";
    }

    @Override
    public Processor createProcessor(RouteContext routeContext) throws Exception {
        Expression expr = getExpression().createExpression(routeContext);
        Processor childProcessor = routeContext.createProcessor(this);

        return new TransformProcessor(expr, childProcessor);
    }
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        return "recipientList";
    }

    @Override
    public Processor createProcessor(RouteContext routeContext) throws Exception {
        Expression expression = getExpression().createExpression(routeContext);

        // add a tokenizer if we have a delimiter
        if (delimiter != null) {
            expression = ExpressionBuilder.tokenizeExpression(expression, delimiter);
        }
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        if (ObjectHelper.isNullOrBlank(language)) {
            Predicate predicate = getPredicate();
            if (predicate != null) {
                return predicate.toString();
            }
            Expression expressionValue = getExpressionValue();
            if (expressionValue != null) {
                return expressionValue.toString();
            }
        } else {
            return language;
        }
        return "";
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    }

    @Override
    public Processor createProcessor(RouteContext routeContext) throws Exception {
        Processor childProcessor = routeContext.createProcessor(this);
        Expression processAtExpression = createAbsoluteTimeDelayExpression(routeContext);
        return new Delayer(childProcessor, processAtExpression, delay);
    }
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    }

    @Override
    public Processor createProcessor(RouteContext routeContext) throws Exception {
        ObjectHelper.notNull(getPropertyName(), "propertyName");
        Expression expr = getExpression().createExpression(routeContext);
        return ProcessorBuilder.setProperty(getPropertyName(), expr);
    }
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                if (endIdx < 0) {
                    throw new IllegalArgumentException("Expecting } but found end of string for simple expression: " + expression);
                }
                String simpleText = expression.substring(pivot, endIdx);

                Expression simpleExpression = createSimpleExpression(simpleText);
                results.add(simpleExpression);
                pivot = endIdx + 1;
            }
        }
        return ExpressionBuilder.concatExpression(results, expression);
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Related Classes of org.apache.camel.Expression

  • org.apache.camel.builder.Builder
  • org.apache.camel.builder.DeadLetterChannelBuilder
  • org.apache.camel.builder.DefaultErrorHandlerBuilder
  • org.apache.camel.builder.ExpressionBuilderTest
  • org.apache.camel.builder.ExpressionClause
  • org.apache.camel.builder.NotifyBuilder
  • org.apache.camel.builder.PredicateBinaryCoerceTypeTest
  • org.apache.camel.builder.PredicateBuilderConcurrentTest
  • org.apache.camel.builder.sql.SqlTest
  • org.apache.camel.builder.ValueBuilder
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