Example usage for org.apache.commons.jxpath.ri.compiler TreeCompiler TreeCompiler

Introduction

In this page you can find the example usage for org.apache.commons.jxpath.ri.compiler TreeCompiler TreeCompiler.

Prototype

TreeCompiler

Source Link

Usage

From source file:org.chiba.xml.xpath.impl.JXPathReferenceFinderImpl.java

/**
 * Returns the set of all references to other nodes contained in the given
 * XPath expression.//from   w ww .ja v  a  2s  .  c  o  m
 *
 * @param xpath the XPath expression.
 * @return the set of all references to other nodes.
 * @throws XFormsException if a reference detection error occurred.
 */
public Set getReferences(String xpath) throws XFormsException {
    try {
        if (this.compiler == null) {
            this.compiler = new TreeCompiler();
        }

        Object expression = Parser.parseExpression(xpath, this.compiler);
        Map references = new HashMap();
        addExpressionReferences(references, null, (Expression) expression);

        return references.keySet();
    } catch (Exception e) {
        throw new XFormsException(e);
    }
}

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