Example usage for org.apache.commons.jxpath CompiledExpression getValue

Introduction

In this page you can find the example usage for org.apache.commons.jxpath CompiledExpression getValue.

Prototype

Object getValue(JXPathContext context);

Source Link

Document

Evaluates the xpath and returns the resulting object.

Usage

From source file:org.apache.cocoon.generation.JXTemplateGenerator.java

static private Object getValue(JXTExpression expr, JexlContext jexlContext, JXPathContext jxpathContext,
        Boolean lenient) throws Exception {
    if (expr != null) {
        Object compiled = expr.compiledExpression;
        try {//from  w w w. j  a va  2 s . c  o m
            if (compiled instanceof CompiledExpression) {
                CompiledExpression e = (CompiledExpression) compiled;
                boolean oldLenient = jxpathContext.isLenient();
                if (lenient != null) {
                    jxpathContext.setLenient(lenient.booleanValue());
                }
                try {
                    return e.getValue(jxpathContext);
                } finally {
                    jxpathContext.setLenient(oldLenient);
                }
            } else if (compiled instanceof Expression) {
                Expression e = (Expression) compiled;
                return e.evaluate(jexlContext);
            }
            return compiled;
        } catch (InvocationTargetException e) {
            Throwable t = e.getTargetException();
            if (t instanceof Exception) {
                throw (Exception) t;
            }
            throw (Error) t;
        }
    } else {
        return null;
    }
}

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From source file:org.xchain.namespaces.core.TestUnknownFunction.java

@Ignore
@Test//w  ww .ja v  a  2  s  .  c om
public void testUnknownFunctionFromExpression() {
    try {
        CompiledExpression expression = JXPathContext.compile("unknown()");
        expression.getValue(context);
        fail("Unknown function should have thrown an exception.");
    } catch (Exception e) {
        // success.
    }
}

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