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Optimize logging performance

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This commit is contained in:
Glavo
2021-11-27 02:40:34 +08:00
committed by Yuhui Huang
parent 05d2fbbbb9
commit 32fad77104
1 changed files with 10 additions and 13 deletions
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23
HMCLCore/src/main/java/org/jackhuang/hmcl/util/Logging.java
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@@ -19,11 +19,10 @@ package org.jackhuang.hmcl.util;
import java.io.ByteArrayOutputStream; import java.io.ByteArrayOutputStream;
import java.io.IOException; import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException; import java.io.UnsupportedEncodingException;
import java.nio.file.Files; import java.nio.file.Files;
import java.nio.file.Path; import java.nio.file.Path;
import java.text.SimpleDateFormat; import java.text.MessageFormat;
import java.util.Date; import java.util.Date;
import java.util.logging.*; import java.util.logging.*;
@@ -93,21 +92,19 @@ public final class Logging {
private static final class DefaultFormatter extends Formatter { private static final class DefaultFormatter extends Formatter {
static final DefaultFormatter INSTANCE = new DefaultFormatter(); static final DefaultFormatter INSTANCE = new DefaultFormatter();
private final SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss"); private static final MessageFormat format = new MessageFormat("[{0,date,HH:mm:ss}] [{1}.{2}/{3}] {4}\n");
@Override @Override
public String format(LogRecord record) { public String format(LogRecord record) {
String date = format.format(new Date(record.getMillis())); String log = format.format(new Object[]{
String log = String.format("[%s] [%s.%s/%s] %s%n", new Date(record.getMillis()),
date, record.getSourceClassName(), record.getSourceMethodName(), record.getSourceClassName(), record.getSourceMethodName(), record.getLevel().getName(),
record.getLevel().getName(), record.getMessage() record.getMessage()
); });
ByteArrayOutputStream builder = new ByteArrayOutputStream();
if (record.getThrown() != null) if (record.getThrown() != null)
try (PrintWriter writer = new PrintWriter(builder)) { log += StringUtils.getStackTrace(record.getThrown());
record.getThrown().printStackTrace(writer);
} return log;
return log + builder.toString();
} }
} }