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Code Issues Releases Wiki Activity

+ Support ANSI color output on Linux / Mac

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This commit is contained in:
Reinhard Pointner 2016-10-19 02:29:16 +08:00
parent 4f5b1cefcc
commit f078aae747
1 changed files with 60 additions and 49 deletions
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109
source/net/filebot/Logging.java
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@ -4,6 +4,8 @@ import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.function.Supplier;
import java.util.logging.Formatter;
import java.util.logging.Handler;
@ -12,6 +14,7 @@ import java.util.logging.LogRecord;
import java.util.logging.Logger;
import java.util.logging.SimpleFormatter;
import java.util.logging.StreamHandler;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.codehaus.groovy.runtime.StackTraceUtils;
@ -42,9 +45,9 @@ public final class Logging {
}
public static ConsoleHandler createConsoleHandler(Level level) {
ConsoleHandler handler = color.get() ? new AnsiColorConsoleHandler() : new ConsoleHandler();
ConsoleHandler handler = new ConsoleHandler();
handler.setLevel(level);
handler.setFormatter(new ConsoleFormatter(anonymizePattern.get()));
handler.setFormatter(new ConsoleFormatter(anonymizePattern.get(), color.get()));
return handler;
}
@ -69,20 +72,67 @@ public final class Logging {
public static class ConsoleFormatter extends Formatter {
private final Pattern anonymize;
private final boolean colorize;
public ConsoleFormatter(Pattern anonymize) {
public ConsoleFormatter(Pattern anonymize, boolean colorize) {
this.anonymize = anonymize;
this.colorize = colorize;
}
@Override
public String format(LogRecord record) {
String message = record.getMessage();
if (anonymize != null && message != null) {
message = anonymize.matcher(message).replaceAll("");
StringWriter buffer = new StringWriter();
// BEGIN COLOR
Color color = getColor(record.getLevel().intValue());
if (color != null) {
buffer.append(color.head);
}
return message + System.lineSeparator();
// MESSAGE
String message = record.getMessage();
if (message != null && anonymize != null) {
Matcher m = anonymize.matcher(message);
while (m.find()) {
m.appendReplacement(buffer.getBuffer(), "");
}
m.appendTail(buffer.getBuffer());
} else {
buffer.append(message);
}
// STACKTRACE
Throwable thrown = record.getThrown();
if (thrown != null) {
buffer.append(System.lineSeparator());
StackTraceUtils.deepSanitize(thrown).printStackTrace(new PrintWriter(buffer));
}
// END COLOR
if (color != null) {
buffer.append(color.tail);
}
return buffer.append(System.lineSeparator()).toString();
}
public Color getColor(int level) {
if (colorize) {
if (level < Level.FINE.intValue())
return Color.LIME_GREEN;
if (level < Level.INFO.intValue())
return Color.ROYAL_BLUE;
if (level < Level.WARNING.intValue())
return null;
if (level < Level.SEVERE.intValue())
return Color.ORANGE_RED;
return Color.CHERRY_RED; // SEVERE
}
return null; // NO COLOR
}
}
public static class ConsoleHandler extends Handler {
@ -93,21 +143,12 @@ public final class Logging {
PrintStream out = record.getLevel().intValue() < Level.WARNING.intValue() ? System.out : System.err;
// print messages to selected output stream
print(record, out);
out.print(getFormatter().format(record));
// flush every message immediately
out.flush();
}
public void print(LogRecord record, PrintStream out) {
out.print(getFormatter().format(record));
Throwable thrown = record.getThrown();
if (thrown != null) {
StackTraceUtils.deepSanitize(thrown).printStackTrace(out);
}
}
@Override
public void flush() {
System.out.flush();
@ -121,36 +162,6 @@ public final class Logging {
}
public static class AnsiColorConsoleHandler extends ConsoleHandler {
@Override
public void print(LogRecord record, PrintStream out) {
Color c = getColor(record.getLevel().intValue());
if (c == null) {
super.print(record, out);
} else {
out.print(c.head);
super.print(record, out);
out.print(c.tail);
}
}
public Color getColor(int level) {
if (level < Level.FINE.intValue())
return Color.LIME_GREEN;
if (level < Level.INFO.intValue())
return Color.ROYAL_BLUE;
if (level < Level.WARNING.intValue())
return null;
if (level < Level.SEVERE.intValue())
return Color.ORANGE_RED;
return Color.CHERRY_RED; // SEVERE
}
}
public static class Color {
public static final Color CHERRY_RED = new Color(0xC4);
@ -161,11 +172,11 @@ public final class Logging {
public final String head;
public final String tail;
Color(int color) {
public Color(int color) {
this("38;5;" + color); // see https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
}
Color(String code) {
public Color(String code) {
this.head = "\u001b[" + code + "m";
this.tail = "\u001b[0m";
}