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Fix #4409: 修复导出的历史日志文件为空的问题 (#4411)

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Glavo 2025-09-07 22:31:44 +08:00 committed by GitHub
parent 68dbe6945b
commit 24fd2cf521
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1 changed files with 72 additions and 29 deletions
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101
HMCL/src/main/java/org/jackhuang/hmcl/ui/main/SettingsPage.java
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@ -35,17 +35,15 @@ import org.jackhuang.hmcl.upgrade.UpdateHandler;
import org.jackhuang.hmcl.util.StringUtils;
import org.jackhuang.hmcl.util.i18n.Locales;
import org.jackhuang.hmcl.util.io.FileUtils;
import org.jackhuang.hmcl.util.io.IOUtils;
import org.tukaani.xz.XZInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.List;
@ -132,6 +130,42 @@ public final class SettingsPage extends SettingsView {
UpdateHandler.updateFrom(target);
}
/// This method guarantees to close both `input` and the current zip entry.
///
/// If no exception occurs, this method returns `true`;
/// If an exception occurs while reading from `input`, this method returns `false`;
/// If an exception occurs while writing to `output`, this method will throw it as is.
private static boolean exportLogFile(ZipOutputStream output,
Path file, // For logging
String entryName,
InputStream input,
byte[] buffer) throws IOException {
//noinspection TryFinallyCanBeTryWithResources
try {
output.putNextEntry(new ZipEntry(entryName));
int read;
while (true) {
try {
read = input.read(buffer);
if (read <= 0)
return true;
} catch (Throwable ex) {
LOG.warning("Failed to decompress log file " + file, ex);
return false;
}
output.write(buffer, 0, read);
}
} finally {
try {
input.close();
} catch (Throwable ex) {
LOG.warning("Failed to close log file " + file, ex);
}
output.closeEntry();
}
}
@Override
protected void onExportLogs() {
thread(() -> {
@ -152,45 +186,54 @@ public final class SettingsPage extends SettingsView {
LOG.info("Exporting latest logs to " + outputFile);
Path tempFile = Files.createTempFile("hmcl-decompress-log-", ".txt");
try (var tempChannel = FileChannel.open(tempFile, StandardOpenOption.READ, StandardOpenOption.WRITE);
var os = Files.newOutputStream(outputFile);
byte[] buffer = new byte[IOUtils.DEFAULT_BUFFER_SIZE];
try (var os = Files.newOutputStream(outputFile);
var zos = new ZipOutputStream(os)) {
for (Path path : recentLogFiles) {
String extension = FileUtils.getExtension(path);
decompress:
if ("gz".equalsIgnoreCase(extension) || "xz".equalsIgnoreCase(extension)) {
try (InputStream fis = Files.newInputStream(path);
InputStream uncompressed = "gz".equalsIgnoreCase(extension)
? new GZIPInputStream(fis)
: new XZInputStream(fis)) {
uncompressed.transferTo(Channels.newOutputStream(tempChannel));
} catch (IOException e) {
LOG.warning("Failed to decompress log: " + path, e);
break decompress;
String fileName = FileUtils.getName(path);
String extension = StringUtils.substringAfterLast(fileName, '.');
if ("gz".equals(extension) || "xz".equals(extension)) {
// If an exception occurs while decompressing the input file, we should
// ensure the input file and the current zip entry are closed,
// then copy the compressed file content as-is into a new entry in the zip file.
InputStream input = null;
try {
input = Files.newInputStream(path);
input = "gz".equals(extension)
? new GZIPInputStream(input)
: new XZInputStream(input);
} catch (Throwable ex) {
LOG.warning("Failed to open log file " + path, ex);
IOUtils.closeQuietly(input, ex);
input = null;
}
zos.putNextEntry(new ZipEntry(StringUtils.substringBeforeLast(FileUtils.getName(path), '.')));
Channels.newInputStream(tempChannel).transferTo(zos);
zos.closeEntry();
tempChannel.truncate(0);
String entryName = StringUtils.substringBeforeLast(fileName, ".");
if (input != null && exportLogFile(zos, path, entryName, input, buffer))
continue;
}
zos.putNextEntry(new ZipEntry(FileUtils.getName(path)));
Files.copy(path, zos);
zos.closeEntry();
// Copy the log file content as-is into a new entry in the zip file.
// If an exception occurs while decompressing the input file, we should
// ensure the input file and the current zip entry are closed.
InputStream input;
try {
input = Files.newInputStream(path);
} catch (Throwable ex) {
LOG.warning("Failed to open log file " + path, ex);
continue;
}
exportLogFile(zos, path, fileName, input, buffer);
}
zos.putNextEntry(new ZipEntry("hmcl-latest.log"));
LOG.exportLogs(zos);
zos.closeEntry();
} finally {
try {
Files.deleteIfExists(tempFile);
} catch (IOException ignored) {
}
}
}
} catch (IOException e) {