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package org.robolectric.shadows;
import android.os.Build;
import android.system.ErrnoException;
import android.system.StructStat;
import java.io.File;
import java.io.FileDescriptor;
import java.time.Duration;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.util.ReflectionHelpers;
/** Shadow for {@link libcore.io.Posix} */
@Implements(
className = "libcore.io.Posix",
maxSdk = Build.VERSION_CODES.N_MR1,
isInAndroidSdk = false)
public class ShadowPosix {
@Implementation
public void mkdir(String path, int mode) throws ErrnoException {
new File(path).mkdirs();
}
@Implementation
public static Object stat(String path) throws ErrnoException {
int mode = OsConstantsValues.getMode(path);
long size = 0;
long modifiedTime = 0;
if (path != null) {
File file = new File(path);
size = file.length();
modifiedTime = Duration.ofMillis(file.lastModified()).getSeconds();
}
if (RuntimeEnvironment.getApiLevel() >= Build.VERSION_CODES.LOLLIPOP) {
return new StructStat(
1, // st_dev
0, // st_ino
mode, // st_mode
0, // st_nlink
0, // st_uid
0, // st_gid
0, // st_rdev
size, // st_size
0, // st_atime
modifiedTime, // st_mtime
0, // st_ctime,
0, // st_blksize
0 // st_blocks
);
} else {
Object structStat =
ReflectionHelpers.newInstance(
ReflectionHelpers.loadClass(
ShadowPosix.class.getClassLoader(), "libcore.io.StructStat"));
setMode(mode, structStat);
setSize(size, structStat);
setModifiedTime(modifiedTime, structStat);
return structStat;
}
}
@Implementation
protected static Object lstat(String path) throws ErrnoException {
return stat(path);
}
@Implementation
protected static Object fstat(FileDescriptor fd) throws ErrnoException {
return stat(null);
}
private static void setMode(int mode, Object structStat) {
ReflectionHelpers.setField(structStat, "st_mode", mode);
}
private static void setSize(long size, Object structStat) {
ReflectionHelpers.setField(structStat, "st_size", size);
}
private static void setModifiedTime(long modifiedTime, Object structStat) {
ReflectionHelpers.setField(structStat, "st_mtime", modifiedTime);
}
}
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