io.vertx.core.impl.Args Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2019 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
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;
}
}