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authorsolonovamax <solonovamax@12oclockpoint.com>2022-10-31 15:56:53 -0400
committerTheKodeToad <TheKodeToad@proton.me>2022-11-08 16:25:09 +0000
commitac5b74301e7be057bf08aa78cf0cfbece27cd1c1 (patch)
tree79c05cc02ac5817f6f0c5cdff14543cc7261b651 /libraries/launcher/org/prismlauncher/EntryPoint.java
parent609b30110ba93c2cb3863bd3c857be7af23275cc (diff)
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Cleanup splitting string into a pair
Signed-off-by: solonovamax <solonovamax@12oclockpoint.com>
Diffstat (limited to 'libraries/launcher/org/prismlauncher/EntryPoint.java')
-rw-r--r--libraries/launcher/org/prismlauncher/EntryPoint.java90
1 files changed, 41 insertions, 49 deletions
diff --git a/libraries/launcher/org/prismlauncher/EntryPoint.java b/libraries/launcher/org/prismlauncher/EntryPoint.java
index aab7d110..987dcc12 100644
--- a/libraries/launcher/org/prismlauncher/EntryPoint.java
+++ b/libraries/launcher/org/prismlauncher/EntryPoint.java
@@ -54,10 +54,12 @@
package org.prismlauncher;
+
import org.prismlauncher.exception.ParseException;
import org.prismlauncher.launcher.Launcher;
import org.prismlauncher.launcher.LauncherFactory;
import org.prismlauncher.utils.Parameters;
+import org.prismlauncher.utils.StringUtils;
import java.io.BufferedReader;
import java.io.IOException;
@@ -66,58 +68,47 @@ import java.nio.charset.StandardCharsets;
import java.util.logging.Level;
import java.util.logging.Logger;
-public final class EntryPoint {
+public final class EntryPoint {
private static final Logger LOGGER = Logger.getLogger("EntryPoint");
-
+
public static void main(String[] args) {
ExitCode exitCode = listen();
-
+
if (exitCode != ExitCode.NORMAL) {
LOGGER.warning("Exiting with " + exitCode);
-
+
System.exit(exitCode.numericalCode);
}
}
-
- private static PreLaunchAction parseLine(String inData, Parameters params) throws ParseException {
- if (inData.isEmpty())
+
+ private static PreLaunchAction parseLine(String input, Parameters params) throws ParseException {
+ if (input.isEmpty())
throw new ParseException("Unexpected empty string!");
-
- String first = inData;
- String second = null;
- int splitPoint = inData.indexOf(' ');
-
- if (splitPoint != -1) {
- first = first.substring(0, splitPoint);
- second = inData.substring(splitPoint + 1);
- }
-
- switch (first) {
- case "launch":
- return PreLaunchAction.LAUNCH;
- case "abort":
- return PreLaunchAction.ABORT;
- default:
- if (second == null || second.isEmpty())
- throw new ParseException("Error while parsing:" + inData);
-
- params.add(first, second);
-
- return PreLaunchAction.PROCEED;
+
+
+ if ("launch".equalsIgnoreCase(input)) {
+ return PreLaunchAction.LAUNCH;
+ } else if ("abort".equalsIgnoreCase(input)) {
+ return PreLaunchAction.ABORT;
+ } else {
+ String[] pair = StringUtils.splitStringPair(' ', input);
+ if (pair == null)
+ throw new ParseException("Error while parsing:" + input);
+
+ params.add(pair[0], pair[1]);
+
+ return PreLaunchAction.PROCEED;
}
}
-
+
private static ExitCode listen() {
Parameters parameters = new Parameters();
PreLaunchAction preLaunchAction = PreLaunchAction.PROCEED;
-
- try (BufferedReader reader = new BufferedReader(new InputStreamReader(
- System.in,
- StandardCharsets.UTF_8
- ))) {
+
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8))) {
String line;
-
+
while (preLaunchAction == PreLaunchAction.PROCEED) {
if ((line = reader.readLine()) != null) {
preLaunchAction = parseLine(line, parameters);
@@ -127,49 +118,50 @@ public final class EntryPoint {
}
} catch (IOException | ParseException e) {
LOGGER.log(Level.SEVERE, "Launcher abort due to exception:", e);
-
+
return ExitCode.ERROR;
}
-
+
// Main loop
if (preLaunchAction == PreLaunchAction.ABORT) {
LOGGER.info("Launch aborted by the launcher.");
-
+
return ExitCode.ERROR;
}
-
+
try {
Launcher launcher = LauncherFactory.createLauncher(parameters);
-
+
launcher.launch();
-
+
return ExitCode.NORMAL;
} catch (IllegalArgumentException e) {
LOGGER.log(Level.SEVERE, "Wrong argument.", e);
-
+
return ExitCode.ERROR;
} catch (Throwable e) {
LOGGER.log(Level.SEVERE, "Exception caught from launcher.", e);
-
+
return ExitCode.ERROR;
}
}
-
+
private enum PreLaunchAction {
PROCEED,
LAUNCH,
ABORT
}
-
+
+
private enum ExitCode {
NORMAL(0),
ERROR(1);
-
+
private final int numericalCode;
-
+
ExitCode(int numericalCode) {
this.numericalCode = numericalCode;
}
}
-
+
}