org.jmeterplugins.repository.plugins.TestPlanAnalyzer Maven / Gradle / Ivy
package org.jmeterplugins.repository.plugins;
import org.apache.jmeter.save.SaveService;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathFactory;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
public class TestPlanAnalyzer {
private static final Logger log = LoggingManager.getLoggerForClass();
/**
* @param path fo jmx file with test plan
* @return set of classes, that does not exists or empty list if there are none
*/
public Set analyze(String path) {
log.debug("Analyze test plan: " + path);
final NodeList nodeList = getNodeListWithClassNames(path);
if (nodeList != null) {
final Set nonExistentClasses = new HashSet<>();
for (int i = 0; i < nodeList.getLength(); i++) {
Node node = nodeList.item(i);
NamedNodeMap attributes = node.getAttributes();
checkAttributeAndAdd(attributes, "guiclass", nonExistentClasses);
checkAttributeAndAdd(attributes, "testclass", nonExistentClasses);
}
return nonExistentClasses;
}
return Collections.emptySet();
}
private void checkAttributeAndAdd(NamedNodeMap attributes, final String attributeName, final Set nonExistentClasses) {
Node node = attributes.getNamedItem(attributeName);
if (node != null && !isClassExists(node.getTextContent())) {
nonExistentClasses.add(node.getTextContent());
}
}
private NodeList getNodeListWithClassNames(String path) {
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document doc = builder.parse(path);
XPathFactory xPathfactory = XPathFactory.newInstance();
XPath xpath = xPathfactory.newXPath();
XPathExpression expr = xpath.compile("//*[@guiclass|@testclass]");
return (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
} catch (Exception ex) {
log.warn("Cannot parse file: " + path, ex);
return null;
}
}
public static boolean isClassExists(String className) {
try {
Class.forName(SaveService.aliasToClass(className));
return true;
} catch (ClassNotFoundException | NoClassDefFoundError e) {
return false;
}
}
}