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More descriptive help message when given wrong parameters

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This commit is contained in:
Iwan Timmer
2014-01-08 22:20:34 +01:00
parent f9d23ced06
commit d94f247134
1 changed files with 16 additions and 13 deletions
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29
src/com/limelight/Limelight.java
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@@ -137,17 +137,10 @@ public class Limelight implements NvConnectionListener {
boolean pair = false;
int resolution = 720;
int refresh = 30;
boolean parse = true;
for (int i = 0; i < args.length; i++) {
if (args[i].equals("-host")) {
if (i + 1 < args.length) {
host = args[i+1];
i++;
} else {
System.out.println("Syntax error: hostname or ip address expected after -host");
System.exit(3);
}
} else if (args[i].equals("-input")) {
for (int i = 0; i < args.length - 1; i++) {
if (args[i].equals("-input")) {
if (i + 1 < args.length) {
inputs.add(args[i+1]);
i++;
@@ -167,13 +160,23 @@ public class Limelight implements NvConnectionListener {
refresh = 60;
} else {
System.out.println("Syntax Error: Unrecognized argument: " + args[i]);
parse = false;
}
}
if (host == null) {
System.out.println("Syntax Error: You must include a host. Use -host to specifiy a hostname or ip address.");
if (args.length == 0 || !parse) {
System.out.println("Usage: java-embedded -jar limelight-pi.jar [options] host");
System.out.println("\t-720\t\tUse 1280x720 resolution [default]");
System.out.println("\t-1080\t\tUse 1920x1080 resolution");
System.out.println("\t-30fps\t\tUse 30fps [default]");
System.out.println("\t-60fps\t\tUse 60fps");
System.out.println("\t-input <device>\tUse <device> as input. Can be used multiple times");
System.out.println("\t-pair\t\tPair with host");
System.out.println();
System.out.println("Use ctrl-c to exit application");
System.exit(5);
}
} else
host = args[args.length-1];
Resolution streamRes = Resolution.RES_720_30;