Example usage for org.apache.commons.jexl3 JexlEngine createScript

Introduction

In this page you can find the example usage for org.apache.commons.jexl3 JexlEngine createScript.

Prototype

public final JexlScript createScript(JexlInfo info, URL scriptUrl, String[] names) 

Source Link

Document

Creates a Script from a URL containing valid JEXL syntax.

Usage

From source file:org.everit.expression.jexl.JexlExpressionCompiler.java

@Override
public CompiledExpression compile(final String expression, final ParserConfiguration parserConfiguration) {

    if (parserConfiguration == null) {
        throw new IllegalArgumentException("Parser configuration must be defined");
    }//from  www . j  a v  a 2s  .c o  m

    JexlInfo jexlInfo = new JexlInfo(parserConfiguration.getName(), parserConfiguration.getStartRow(),
            parserConfiguration.getStartColumn());
    String[] parameterNames = null;
    if (parserConfiguration.getVariableTypes() != null) {
        Set<String> parameterSet = parserConfiguration.getVariableTypes().keySet();
        parameterNames = parameterSet.toArray(new String[parameterSet.size()]);
    }

    JexlEngine jexlEngine = new JexlBuilder().silent(false).debug(true)
            .loader(parserConfiguration.getClassLoader()).arithmetic(new CustomizedJexlArithmetic(true))
            .create();

    JexlScript script = jexlEngine.createScript(jexlInfo, expression, parameterNames);
    return new JexlCompiledExpression(script);
}

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