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Cleanup splitting string into a pair

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Signed-off-by: solonovamax <solonovamax@12oclockpoint.com>
This commit is contained in:
solonovamax 2022-10-31 15:56:53 -04:00 committed by TheKodeToad
parent 609b30110b
commit ac5b74301e
3 changed files with 63 additions and 55 deletions
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90
libraries/launcher/org/prismlauncher/EntryPoint.java
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@ -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 {
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;
}
}
}

13
libraries/launcher/org/prismlauncher/launcher/impl/AbstractLauncher.java
View File

@ -58,6 +58,7 @@ package org.prismlauncher.launcher.impl;
import org.prismlauncher.exception.ParseException;
import org.prismlauncher.launcher.Launcher;
import org.prismlauncher.utils.Parameters;
import org.prismlauncher.utils.StringUtils;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
@ -101,13 +102,13 @@ public abstract class AbstractLauncher implements Launcher {
height = DEFAULT_WINDOW_HEIGHT;
} else {
maximize = false;
int byIndex = windowParams.indexOf('x');
if (byIndex != -1) {
String[] sizePair = StringUtils.splitStringPair('x', windowParams);
if (sizePair != null) {
try {
width = Integer.parseInt(windowParams.substring(0, byIndex));
height = Integer.parseInt(windowParams.substring(byIndex + 1));
width = Integer.parseInt(sizePair[0]);
height = Integer.parseInt(sizePair[1]);
return;
} catch (NumberFormatException ignored) {
}

15
libraries/launcher/org/prismlauncher/utils/StringUtils.java Normal file
View File

@ -0,0 +1,15 @@
package org.prismlauncher.utils;
public final class StringUtils {
private StringUtils() {
}
public static String[] splitStringPair(char splitChar, String input) {
int splitPoint = input.indexOf(splitChar);
if (splitPoint == -1)
return null;
return new String[]{ input.substring(0, splitPoint), input.substring(splitPoint + 1) };
}
}