Example usage for javax.servlet.jsp.el ELException toString

Introduction

In this page you can find the example usage for javax.servlet.jsp.el ELException toString.

Prototype

public String toString() 

Source Link

Document

Returns a short description of this throwable.

Usage

From source file:com.streamsets.datacollector.el.ELEvaluator.java

public static void parseEL(String el) throws ELEvalException {
    try {/*from ww w  .ja  v  a  2s . c  o m*/
        EVALUATOR.parseExpressionString(el);
    } catch (ELException e) {
        LOG.debug("Error parsering EL '{}': {}", el, e.toString(), e);
        throw new ELEvalException(CommonError.CMN_0105, el, e.toString(), e);
    }
}

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From source file:com.streamsets.datacollector.el.ELEvaluator.java

@Override
@SuppressWarnings("unchecked")
public <T> T evaluate(final ELVars vars, String expression, Class<T> returnType) throws ELEvalException {
    VariableResolver variableResolver = new VariableResolver() {

        @Override//from   ww  w  .  j ava2 s.  c  o  m
        public Object resolveVariable(String name) throws ELException {
            Object value = constants.get(name);
            if (!vars.hasVariable(name)) {
                if (value == null && !constants.containsKey(name)) {
                    throw new ELException(Utils.format("Constants/Variable '{}' cannot be resolved", name));
                }
            } else {
                value = vars.getVariable(name);
            }
            return value;
        }
    };
    try {
        return (T) EVALUATOR.evaluate(expression, returnType, variableResolver, functionMapper);
    } catch (ELException e) {
        LOG.debug("Error valuating EL '{}': {}", expression, e.toString(), e);
        Throwable t = e;
        if (e.getRootCause() != null) {
            t = e.getRootCause();
        }
        throw new ELEvalException(CommonError.CMN_0104, expression, t.toString(), e);
    }
}

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