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Support converting integer to/from PersistableBundle

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This CL is for facilitating converting Map and List that
contains integer type objects.

Bug: 163604823
Test: PersistableBundleUtilsTest(new tests added)
Change-Id: I24239caf70035e19c3fb5eb4a85b6a0c6ccadb5a
This commit is contained in:
Yan Yan
2020-09-10 12:09:17 -07:00
parent 42444745fc
commit cfb6847e33
2 changed files with 27 additions and 0 deletions
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16
services/core/java/com/android/server/vcn/util/PersistableBundleUtils.java
View File

@@ -45,6 +45,7 @@ public class PersistableBundleUtils {
private static final String PARCEL_UUID_KEY = "PARCEL_UUID";
private static final String BYTE_ARRAY_KEY = "BYTE_ARRAY_KEY";
private static final String INTEGER_KEY = "INTEGER_KEY";
/**
* Functional interface to convert an object of the specified type to a PersistableBundle.
@@ -75,6 +76,21 @@ public class PersistableBundleUtils {
T fromPersistableBundle(PersistableBundle in);
}
/** Serializer to convert an integer to a PersistableBundle. */
public static final Serializer<Integer> INTEGER_SERIALIZER =
(i) -> {
final PersistableBundle result = new PersistableBundle();
result.putInt(INTEGER_KEY, i);
return result;
};
/** Deserializer to convert a PersistableBundle to an integer. */
public static final Deserializer<Integer> INTEGER_DESERIALIZER =
(bundle) -> {
Objects.requireNonNull(bundle, "PersistableBundle is null");
return bundle.getInt(INTEGER_KEY);
};
/**
* Converts a ParcelUuid to a PersistableBundle.
*

11
tests/vcn/java/com/android/server/vcn/util/PersistableBundleUtilsTest.java
View File

@@ -200,4 +200,15 @@ public class PersistableBundleUtilsTest {
assertArrayEquals(byteArray, result);
}
@Test
public void testIntegerConversionLossless() throws Exception {
final int testInt = 1;
final PersistableBundle integerBundle =
PersistableBundleUtils.INTEGER_SERIALIZER.toPersistableBundle(testInt);
final int result =
PersistableBundleUtils.INTEGER_DESERIALIZER.fromPersistableBundle(integerBundle);
assertEquals(testInt, result);
}
}