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package top.trumeet.redirectstorage.wrapper;
import android.os.Build;
import android.os.Environment;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* Created by Trumeet on 2017/9/15.
* @author Trumeet
*/
public abstract class AbstractWrapper extends Environment.UserEnvironment {
public static AbstractWrapper getWrapper (Environment.UserEnvironment base,
String customPath,
Integer userId) {
checkNonNull(base);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
checkNonNull(userId);
return new WrapperMM(base,
userId, customPath);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
checkNonNull(userId);
return new WrapperKK(base,
userId, customPath);
}
return null;
}
private static void checkNonNull (Object object) {
if (object == null)
throw new NullPointerException();
}
final Environment.UserEnvironment mBase;
String mCustomPath;
boolean mEnable = true;
public AbstractWrapper(Environment.UserEnvironment ue,
int userId, String customPath) {
super(userId);
mBase = ue;
mCustomPath = customPath;
}
public boolean isEnable() {
return mEnable;
}
public void setEnable(boolean mEnable) {
this.mEnable = mEnable;
}
public String getCustomPath() {
return mCustomPath;
}
public void setCustomPath(String mCustomPath) {
this.mCustomPath = mCustomPath;
}
public abstract File getRealExternalStorageDirectory ();
public final File[] convertDirs (File... dirs) {
if (dirs == null || dirs.length == 0)
return dirs;
List<File> list = new ArrayList<>(dirs.length);
for (File file : dirs) {
list.add(new File(file.getAbsolutePath() + mCustomPath));
}
return list.toArray(new File[list.size()]);
}
}
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