io.vertx.core.impl.Args Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2014 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.core.impl;
import java.util.HashMap;
import java.util.Map;
/**
* @author Tim Fox
*/
public class Args {
public final Map map = new HashMap<>();
public Args(String[] args) {
String currentKey = null;
for (String arg: args) {
if (arg.startsWith("-")) {
if (currentKey != null) {
map.put(currentKey, "");
}
currentKey = arg;
} else {
if (currentKey != null) {
map.put(currentKey, arg);
currentKey = null;
}
}
}
if (currentKey != null) {
map.put(currentKey, "");
}
}
public int getInt(String argName) {
String arg = map.get(argName);
int val;
if (arg != null) {
try {
val = Integer.parseInt(arg.trim());
} catch (NumberFormatException e) {
throw new IllegalArgumentException("Invalid " + argName + ": " + arg);
}
} else {
val = -1;
}
return val;
}
}