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Update logic for detecting if the output stream is connected to a terminal #2084

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merged 2 commits into from
Aug 14, 2023
Merged

Update logic for detecting if the output stream is connected to a terminal #2084

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3212b4a
Update logic for detecting if the output stream is connected to a ter…
cushon Aug 11, 2023
1fca206
Use reflection for the Console class
cushon Aug 11, 2023
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Update logic for detecting if the output stream is connected to a ter… 
…minal

#2083
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@cushon
cushon committed Aug 11, 2023
commit 3212b4a3b5bf24ac412c3275270c512585b08ca9
13 changes: 12 additions & 1 deletion src/main/java/picocli/CommandLine.java
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Expand Up @@ -17840,7 +17840,18 @@ static final boolean forceEnabled() { return System.getenv("CLICOLOR_FORCE") !=
&& !"0".equals(System.getenv("CLICOLOR_FORCE"));}
/** http://stackoverflow.com/questions/1403772/how-can-i-check-if-a-java-programs-input-output-streams-are-connected-to-a-term */
static boolean calcTTY() {
try { return System.class.getDeclaredMethod("console").invoke(null) != null; }
try {
Object console = System.class.getDeclaredMethod("console").invoke(null);
if (console == null) {
return false;
}
try {
Method isTerminal = Console.class.getDeclaredMethod("isTerminal");
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Looks good, but the Console class was introduced in Java 6, and picocli supports Java 5, so can you change this to find the Console class via reflection?

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Thanks, done

return (boolean) isTerminal.invoke(console);
} catch (NoSuchMethodException e) {
return true;
}
}
catch (Throwable reflectionFailed) { return true; }
}
/** Cygwin and MSYS use pseudo-tty and console is always null... */
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