/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.jmeter.functions;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.apache.commons.lang.text.StrBuilder;
import org.apache.jmeter.engine.util.CompoundVariable;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.samplers.Sampler;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;
/**
* Function to generate chars from a list of decimal or hex values
*/
public class CharFunction extends AbstractFunction {
private static final Logger log = LoggingManager.getLoggerForClass();
private static final List desc = new LinkedList();
private static final String KEY = "__char"; //$NON-NLS-1$
static {
desc.add(JMeterUtils.getResString("char_value")); //$NON-NLS-1$
}
private Object[] values;
public CharFunction() {
}
public synchronized String execute(SampleResult previousResult, Sampler currentSampler)
throws InvalidVariableException {
StrBuilder sb = new StrBuilder(values.length);
for (int i=0; i < values.length; i++){
String numberString = ((CompoundVariable) values[i]).execute().trim();
long value = 0;
try {
if (numberString.startsWith("0x")) {// $NON-NLS-1$
value=Long.parseLong(numberString.substring(2),16);
} else {
value=Long.parseLong(numberString);
}
} catch (NumberFormatException e){
log.warn("Could not parse "+numberString+" : "+e);
}
char ch = (char) value;
sb.append(ch);
}
return sb.toString();
}
public synchronized void setParameters(Collection parameters) throws InvalidVariableException {
checkMinParameterCount(parameters, 1);
values = parameters.toArray();
}
public String getReferenceKey() {
return KEY;
}
public List getArgumentDesc() {
return desc;
}
}