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package ro.sync.test;
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import java.util.Iterator;
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import javax.xml.transform.TransformerConfigurationException;
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import net.sf.saxon.event.Builder;
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import net.sf.saxon.lib.FeatureKeys;
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import net.sf.saxon.s9api.Processor;
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import net.sf.saxon.s9api.SaxonApiException;
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import net.sf.saxon.s9api.XPathCompiler;
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import net.sf.saxon.s9api.XPathExecutable;
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import net.sf.saxon.s9api.XPathSelector;
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import net.sf.saxon.s9api.XdmItem;
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import com.saxonica.config.ProfessionalConfiguration;
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/**
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* Test class for running an XPath expression with Saxon 9 API.
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*/
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public class RunXPathWithSaxon {
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/**
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* Runs an XPath 3.0 using Saxon9 API.
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*/
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public static void runQueryWithS9API(String userExpression) throws XPathException, TransformerConfigurationException, SaxonApiException {
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// Create XPath processor
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Processor proc = new Processor(new ProfessionalConfiguration());
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proc.setConfigurationProperty(
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FeatureKeys.NAME_POOL, proc.getUnderlyingConfiguration().getNamePool());
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proc.setConfigurationProperty(FeatureKeys.TREE_MODEL, Builder.LINKED_TREE);
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XPathCompiler comp = proc.newXPathCompiler();
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comp.setLanguageVersion("3.0");
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XPathExecutable exec = comp.compile(userExpression);
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XPathSelector selector = exec.load();
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Iterator<XdmItem> iter = selector.iterator();
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if (iter != null) {
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// Return empty query result
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// Convert NodeInfo list to DOM Nodes
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for (; iter.hasNext();) {
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XdmItem nextItem = iter.next();
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System.out.println("Next item: " + nextItem);
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}
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}
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}
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/**
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* Run an XPath expression using Saxon API.
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*/
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public static void main(String[] args) throws Exception {
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String expression = "parse-xml-fragment(\"<alpha>abcd</alpha><beta>abcd</beta>\")";
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runQueryWithS9API(expression);
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}
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}
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