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Cut: redundant zip handling methods

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This commit is contained in:
Mathias Boulay 2023-08-20 15:36:23 +02:00 committed by ArtDev
parent d5fc862f0e
commit 8db75081a8
1 changed files with 0 additions and 43 deletions
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43
app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/FileUtils.java
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@ -12,52 +12,9 @@ public class FileUtils {
return new File(filePath).exists();
}
public static void uncompressZip(File filePath, File output) throws IOException {
final byte[] buffer = new byte[8192];
final ZipInputStream zis = new ZipInputStream(new FileInputStream(filePath));
ZipEntry zipEntry = zis.getNextEntry();
while (zipEntry != null) {
final File newFile = newFile(output, zipEntry);
if (zipEntry.isDirectory()) {
if (!newFile.isDirectory() && !newFile.mkdirs()) {
throw new IOException("Failed to create directory " + newFile);
}
} else {
File parent = newFile.getParentFile();
if (!parent.isDirectory() && !parent.mkdirs()) {
throw new IOException("Failed to create directory " + parent);
}
final FileOutputStream fos = new FileOutputStream(newFile);
int len;
while ((len = zis.read(buffer)) > 0) {
fos.write(buffer, 0, len);
}
fos.close();
}
zipEntry = zis.getNextEntry();
}
zis.closeEntry();
zis.close();
}
public static String getFileName(String pathOrUrl) {
int lastSlashIndex = pathOrUrl.lastIndexOf('/');
if(lastSlashIndex == -1) return null;
return pathOrUrl.substring(lastSlashIndex);
}
public static File newFile(File destinationDir, ZipEntry zipEntry) throws IOException {
File destFile = new File(destinationDir, zipEntry.getName());
String destDirPath = destinationDir.getCanonicalPath();
String destFilePath = destFile.getCanonicalPath();
if (!destFilePath.startsWith(destDirPath + File.separator)) {
throw new IOException("Entry is outside of the target dir: " + zipEntry.getName());
}
return destFile;
}
}