io.gatling.mojo.MainWithArgsInFile Maven / Gradle / Ivy
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Forked from gatling-maven-plugin 3.1.0, this version has test events integration.
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/**
* Copyright 2011-2017 GatlingCorp (http://gatling.io)
*
* Licensed 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 io.gatling.mojo;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;
public class MainWithArgsInFile {
public static void main(String[] args) {
try {
String mainClassName = args[0];
List argsFromFile = readArgFile(new File(args[1]));
runMain(mainClassName, argsFromFile);
} catch (Throwable t) {
t.printStackTrace();
System.exit(-1);
}
}
private static void runMain(String mainClassName, List args) throws Exception {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
Class> mainClass = cl.loadClass(mainClassName);
Method mainMethod = mainClass.getMethod("main", String[].class);
int mods = mainMethod.getModifiers();
if (mainMethod.getReturnType() != void.class || !Modifier.isStatic(mods) || !Modifier.isPublic(mods)) {
throw new NoSuchMethodException("main");
}
String[] argsArray = args.toArray(new String[0]);
mainMethod.invoke(null, new Object[]{argsArray});
}
private static List readArgFile(File argFile) throws IOException {
ArrayList args = new ArrayList<>();
try (
final FileReader fr = new FileReader(argFile);
final BufferedReader in = new BufferedReader(fr)
) {
String line;
while ((line = in.readLine()) != null) {
args.add(line);
}
return args;
}
}
}
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