Package org.apache.camel

Examples of org.apache.camel.ExpressionEvaluationException

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    private class MyExpression implements Expression {

        public <T> T evaluate(Exchange exchange, Class<T> type) {
            // force an exception early, to test that the onException error handlers
            // can kick in anyway
            throw new ExpressionEvaluationException(null, exchange, null);
        }
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                    Expression expression = null;
                    try {
                        expression = exchange.getContext().resolveLanguage("simple").createExpression(exp);
                        parameterValue = expression.evaluate(exchange, Object.class);
                    } catch (Exception e) {
                        throw new ExpressionEvaluationException(expression, "Cannot create/evaluate simple expression: " + exp
                                + " to be bound to parameter at index: " + index + " on method: " + getMethod(), exchange, e);
                    }

                    if (parameterValue != null) {
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            JXPathContext context = JXPathContext.newContext(exchange);
            Object result = getJXPathExpression().getValue(context, type);
            assertResultType(exchange, result);
            return exchange.getContext().getTypeConverter().convertTo(tClass, result);
        } catch (JXPathException e) {
            throw new ExpressionEvaluationException(this, exchange, e);
        }
    }
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        // concurrency issues so lets assume that the provider caches
        OgnlContext oglContext = new OgnlContext();
        try {
            return Ognl.getValue(expression, oglContext, new RootObject(exchange));
        } catch (OgnlException e) {
            throw new ExpressionEvaluationException(this, exchange, e);
        }
    }
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                    Expression expression = null;
                    try {
                        expression = exchange.getContext().resolveLanguage("simple").createExpression(exp);
                        parameterValue = expression.evaluate(exchange, Object.class);
                    } catch (Exception e) {
                        throw new ExpressionEvaluationException(expression, "Cannot create/evaluate simple expression: " + exp
                                + " to be bound to parameter at index: " + index + " on method: " + getMethod(), exchange, e);
                    }

                    if (parameterValue != null) {
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                        // use "null" to indicate the expression returned a null value which is a valid response we need to honor
                        if (parameterValue == null) {
                            parameterValue = "null";
                        }
                    } catch (Exception e) {
                        throw new ExpressionEvaluationException(expression, "Cannot create/evaluate simple expression: " + exp
                                + " to be bound to parameter at index: " + index + " on method: " + getMethod(), exchange, e);
                    }

                    // special for explicit null parameter values (as end users can explicit indicate they want null as parameter)
                    // see method javadoc for details
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                    Expression expression = null;
                    try {
                        expression = exchange.getContext().resolveLanguage("simple").createExpression(exp);
                        parameterValue = expression.evaluate(exchange, Object.class);
                    } catch (Exception e) {
                        throw new ExpressionEvaluationException(expression, "Cannot create/evaluate simple expression: " + exp
                                + " to be bound to parameter at index: " + index + " on method: " + getMethod(), exchange, e);
                    }

                    if (parameterValue != null) {
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        OgnlContext oglContext = new OgnlContext();
        try {
            Object value = Ognl.getValue(expression, oglContext, new RootObject(exchange));
            return exchange.getContext().getTypeConverter().convertTo(tClass, value);
        } catch (OgnlException e) {
            throw new ExpressionEvaluationException(this, exchange, e);
        }
    }
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            JXPathContext context = JXPathContext.newContext(exchange);
            Object result = getJXPathExpression().getValue(context, type);
            assertResultType(exchange, result);
            return result;
        } catch (JXPathException e) {
            throw new ExpressionEvaluationException(this, exchange, e);
        }
    }
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    public Object evaluate(Exchange exchange) {
        try {
            return org.mvel.MVEL.executeExpression(compiled, new RootObject(exchange));
        } catch (Exception e) {
            throw new ExpressionEvaluationException(this, exchange, e);
        }
    }
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Related Classes of org.apache.camel.ExpressionEvaluationException

  • org.apache.camel.component.bean.BeanParameterInvalidValueTest
  • org.apache.camel.component.bean.MethodInfo
  • org.apache.camel.issues.SplitterThrowExceptionInExpressionTest$MyExpression
  • org.apache.camel.issues.SplitterThrowExceptionInExpressionTwoTest$MyExpression
  • org.apache.camel.jsonpath.JsonPathExpression
  • org.apache.camel.language.jxpath.JXPathExpression
  • org.apache.camel.language.mvel.MvelExpression
  • org.apache.camel.language.ognl.OgnlExpression
  • org.apache.camel.language.spel.SpelExpression
  • org.apache.camel.processor.DynamicRouterThrowExceptionFromExpressionTest
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