kg.apc.jmeter.functions.MD5 Maven / Gradle / Ivy
package kg.apc.jmeter.functions;
import org.apache.jmeter.engine.util.CompoundVariable;
import org.apache.jmeter.functions.AbstractFunction;
import org.apache.jmeter.functions.InvalidVariableException;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.samplers.Sampler;
import org.apache.jmeter.threads.JMeterVariables;
import org.apache.jorphan.util.JOrphanUtils;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
public class MD5 extends AbstractFunction {
private static final List desc = new LinkedList();
private static final String KEY = "__MD5";
static {
desc.add("String to calculate MD5 hash");
desc.add("Name of variable in which to store the result (optional)");
}
private Object[] values;
/**
* No-arg constructor.
*/
public MD5() {
}
/**
* {@inheritDoc}
*/
@Override
public synchronized String execute(SampleResult previousResult, Sampler currentSampler)
throws InvalidVariableException {
JMeterVariables vars = getVariables();
String str = ((CompoundVariable) values[0]).execute();
MessageDigest digest;
try {
digest = MessageDigest.getInstance("md5");
} catch (NoSuchAlgorithmException ex) {
return "Error creating digest: " + ex;
}
String res = JOrphanUtils.baToHexString(digest.digest(str.getBytes()));
if (vars != null && values.length > 1) {
String varName = ((CompoundVariable) values[1]).execute().trim();
vars.put(varName, res);
}
return res;
}
/**
* {@inheritDoc}
*/
@Override
public synchronized void setParameters(Collection parameters) throws InvalidVariableException {
checkMinParameterCount(parameters, 1);
values = parameters.toArray();
}
/**
* {@inheritDoc}
*/
@Override
public String getReferenceKey() {
return KEY;
}
/**
* {@inheritDoc}
*/
@Override
public List getArgumentDesc() {
return desc;
}
}