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package android.os;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
public class Bundle {
/** An unmodifiable {@code Bundle} that is always {@link #isEmpty() empty}. */
public static final Bundle EMPTY;
/**
* Special extras used to denote extras have been stripped off.
* @hide
*/
public static final Bundle STRIPPED;
static {
EMPTY = new Bundle();
STRIPPED = new Bundle();
STRIPPED.putInt("STRIPPED", 1);
}
final Map<String, Boolean> fakeBooleanBundle = new HashMap<>();
final Map<String, String> fakeStringBundle = new HashMap<>();
final Map<String, Integer> fakeIntBundle = new HashMap<>();
final Map<String, Parcelable> fakeParcelableBundle = new HashMap<>();
public void putString(String key, String value) {
fakeStringBundle.put(key, value);
}
public String getString(String key) {
return fakeStringBundle.get(key);
}
public void putBoolean(String key, boolean value) {
fakeBooleanBundle.put(key, value);
}
public boolean getBoolean(String key) {
return fakeBooleanBundle.getOrDefault(key, false);
}
public void putInt(String key, int value) {
fakeIntBundle.put(key, value);
}
public int getInt(String key) {
return fakeIntBundle.getOrDefault(key, 0);
}
public void putParcelable(String key, Parcelable value) {
fakeParcelableBundle.put(key, value);
}
public Parcelable getParcelable(String key) {
return fakeParcelableBundle.get(key);
}
public Object get(String key) {
if (fakeBooleanBundle.containsKey(key)) {
return fakeBooleanBundle.get(key);
} else if (fakeIntBundle.containsKey(key)) {
return fakeIntBundle.get(key);
} else if (fakeStringBundle.containsKey(key)) {
return fakeStringBundle.get(key);
} else {
return fakeParcelableBundle.get(key);
}
}
public Set<String> keySet() {
//this whole approach as a drawback:
//you should not add the same keys for values of different types
HashSet<String> keys = new HashSet<String>();
keys.addAll(fakeBooleanBundle.keySet());
keys.addAll(fakeIntBundle.keySet());
keys.addAll(fakeStringBundle.keySet());
keys.addAll(fakeParcelableBundle.keySet());
return keys;
}
public boolean containsKey(String key) {
return fakeBooleanBundle.containsKey(key) ||
fakeStringBundle.containsKey(key) ||
fakeIntBundle.containsKey(key) ||
fakeParcelableBundle.containsKey(key);
}
public void remove(String key) {
fakeBooleanBundle.remove(key);
fakeIntBundle.remove(key);
fakeParcelableBundle.remove(key);
fakeStringBundle.remove(key);
}
}
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