Examples with ExpressionGetInvocation org.camunda.bpm.engine.impl.delegate.ExpressionGetInvocation used on opensource projects

Example 1 with ExpressionGetInvocation

use of org.camunda.bpm.engine.impl.delegate.ExpressionGetInvocation in project camunda-bpm-platform by camunda.

the class JuelExpression method getValue.

public Object getValue(VariableScope variableScope, BaseDelegateExecution contextExecution) {
    ELContext elContext = expressionManager.getElContext(variableScope);
    try {
        ExpressionGetInvocation invocation = new ExpressionGetInvocation(valueExpression, elContext, contextExecution);
        Context.getProcessEngineConfiguration().getDelegateInterceptor().handleInvocation(invocation);
        return invocation.getInvocationResult();
    } catch (PropertyNotFoundException pnfe) {
        throw new ProcessEngineException("Unknown property used in expression: " + expressionText + ". Cause: " + pnfe.getMessage(), pnfe);
    } catch (MethodNotFoundException mnfe) {
        throw new ProcessEngineException("Unknown method used in expression: " + expressionText + ". Cause: " + mnfe.getMessage(), mnfe);
    } catch (ELException ele) {
        throw new ProcessEngineException("Error while evaluating expression: " + expressionText + ". Cause: " + ele.getMessage(), ele);
    } catch (Exception e) {
        throw new ProcessEngineException("Error while evaluating expression: " + expressionText + ". Cause: " + e.getMessage(), e);
    }
}