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buildUnknownFiles optimization

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newFileSystem will file replication overhead
This commit is contained in:
Rover12421 2015-03-18 09:15:26 +08:00
parent 35f9786fac
commit f3582b60db
1 changed files with 13 additions and 47 deletions
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60
brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java
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@ -544,7 +544,6 @@ public class Androlib {
public void buildUnknownFiles(File appDir, File outFile, Map<String, Object> meta)
throws AndrolibException {
File file;
Path globalPath = Paths.get(appDir.getPath() + File.separatorChar + UNK_DIRNAME);
if (meta.containsKey("unknownFiles")) {
@ -561,16 +560,20 @@ public class Androlib {
// create filesystem
Path path = Paths.get(outFile.getAbsolutePath());
// loop through files inside
for (Map.Entry<String,String> entry : files.entrySet()) {
try(
FileSystem fs = FileSystems.newFileSystem(path, null)
) {
// loop through files inside
for (Map.Entry<String,String> entry : files.entrySet()) {
file = new File(globalPath.toFile(), entry.getKey());
if (file.isFile() && file.exists()) {
insertFolder(path, zip_properties, file.getParentFile(), entry.getValue(),
globalPath.toAbsolutePath());
insertFile(path, zip_properties, file, entry.getValue(),
globalPath.toAbsolutePath());
File file = new File(globalPath.toFile(), entry.getKey());
Path dest = fs.getPath(entry.getKey());
Path destParent = dest.getParent();
if (destParent != null && !Files.exists(destParent)) {
Files.createDirectories(destParent);
}
Path newFile = Paths.get(file.getAbsolutePath());
Files.copy(newFile, dest, StandardCopyOption.REPLACE_EXISTING);
}
}
} catch (IOException ex) {
@ -579,43 +582,6 @@ public class Androlib {
}
}
private void insertFile(Path apkPath, Map<String,String> zip_properties, File insert, String method, Path location)
throws AndrolibException, IOException {
// ZipFileSystem only writes at .close()
// http://mail.openjdk.java.net/pipermail/nio-dev/2012-July/001764.html
try(
FileSystem fs = FileSystems.newFileSystem(apkPath, null)
) {
Path root = fs.getPath("/");
// in order to get the path relative to the zip, we strip off the absolute path, minus what we
// already have in the zip. thus /var/files/apktool/apk/unknown/folder/file => /folder/file
Path dest = fs.getPath(root.toString(), insert.getAbsolutePath().replace(location.toString(),""));
Path newFile = Paths.get(insert.getAbsolutePath());
Files.copy(newFile,dest, StandardCopyOption.REPLACE_EXISTING);
fs.close();
}
}
private void insertFolder(Path apkPath, Map<String,String> zip_properties, File insert, String method, Path location)
throws AndrolibException, IOException {
try(
FileSystem fs = FileSystems.newFileSystem(apkPath, null)
) {
Path root = fs.getPath("/");
Path dest = fs.getPath(root.toString(), insert.getAbsolutePath().replace(location.toString(),""));
Path parent = dest.normalize();
// check for folder existing in apkFileSystem
if (parent != null && Files.notExists(parent)) {
if (!Files.isDirectory(parent, LinkOption.NOFOLLOW_LINKS)) {
Files.createDirectories(parent);
}
}
fs.close();
}
}
public void buildApk(File appDir, File outApk) throws AndrolibException {
LOGGER.info("Building apk file...");
if (outApk.exists()) {