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Fixed potential memory leak

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This commit is contained in:
RetGal 2020-12-28 10:29:40 +01:00
parent d7e6bfd787
commit f7d67a42f0
1 changed files with 11 additions and 12 deletions
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23
src/main/java/mpo/dayon/common/utils/SystemUtilities.java
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@ -4,11 +4,11 @@ import java.io.*;
import java.net.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.InvalidParameterException;
import java.text.MessageFormat;
import java.util.*;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.swing.UIManager;
import javax.swing.plaf.metal.MetalLookAndFeel;
@ -66,11 +66,7 @@ public abstract class SystemUtilities {
final File appDir = getOrCreateAppDir();
final File transferDir = new File(appDir, ".transfer");
if (transferDir.exists()) {
try {
cleanDir(transferDir);
} catch (IOException e) {
Log.warn(String.format("Could not clean %s", transferDir));
}
cleanDir(transferDir);
} else {
transferDir.mkdir();
}
@ -81,12 +77,15 @@ public abstract class SystemUtilities {
return isSnapped() ? getOrCreateTransferDir().getPath() : System.getProperty("java.io.tmpdir");
}
private static void cleanDir(File folder) throws IOException {
Files.walk(folder.toPath())
.sorted(Comparator.reverseOrder())
.map(Path::toFile)
.filter(item -> !folder.getPath().equals(item.getPath()))
.forEach(File::delete);
private static void cleanDir(File folder) {
try (Stream<Path> walk = Files.walk(folder.toPath())) {
walk.sorted(Comparator.reverseOrder())
.map(Path::toFile)
.filter(item -> !folder.getPath().equals(item.getPath()))
.forEach(File::delete);
} catch (IOException e) {
Log.warn(String.format("Could not clean %s", folder));
}
}
public static String getApplicationName() {