package org.ovirt.engine.core.utils;
import java.util.HashMap;
import java.util.Set;
import java.util.Vector;
public class CLIParser {
private Vector<String> argv = new Vector<String>();
private HashMap<String, String> argsMap = new HashMap<String, String>();
private int argvIndex = 0;
public CLIParser(String[] args) {
for (int i = 0; i < args.length; i++) {
if (args[i].startsWith("-")) {
int ix = args[i].indexOf("=");
String key = (ix > 0) ? args[i].substring(1, ix) : args[i].substring(1);
String value = (ix > 0) ? args[i].substring(ix + 1) : "";
argsMap.put(key.toLowerCase(), value);
} else {
argv.addElement(args[i]);
}
}
}
public boolean hasArg(String arg) {
return argsMap.containsKey(arg.toLowerCase());
}
public String getArg(String arg) {
return (String) argsMap.get(arg.toLowerCase());
}
public Set<String> getArgs() {
return argsMap.keySet();
}
public String nextParam() {
String strReturn = null;
if (argvIndex < argv.size()) {
strReturn = (String) argv.elementAt(argvIndex++);
}
return strReturn;
}
public static void main(String[] args) {
CLIParser parser = new CLIParser(args);
if (args.length == 0) {
System.out.println("Usage:\n\t-d or -flag an existance flag that can be checked with hasArg(String) method"
+ "\n\t-key=value value can be extracted with getArg(String) method");
System.exit(1);
}
System.out.println("arguments sent:\n");
for (String key : parser.getArgs()) {
String value = parser.getArg(key);
System.out.println(" " + key + ": " + value);
}
}
}