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-rw-r--r--ravenwood/runtime-common-src/com/android/ravenwood/common/RavenwoodCommonUtils.java17
1 files changed, 17 insertions, 0 deletions
diff --git a/ravenwood/runtime-common-src/com/android/ravenwood/common/RavenwoodCommonUtils.java b/ravenwood/runtime-common-src/com/android/ravenwood/common/RavenwoodCommonUtils.java
index 2bd079a9d135..2a04d4469ef4 100644
--- a/ravenwood/runtime-common-src/com/android/ravenwood/common/RavenwoodCommonUtils.java
+++ b/ravenwood/runtime-common-src/com/android/ravenwood/common/RavenwoodCommonUtils.java
@@ -312,4 +312,21 @@ public class RavenwoodCommonUtils {
th.printStackTrace(writer);
return stringWriter.toString();
}
+
+ /** Same as {@link Integer#parseInt(String)} but accepts null and returns null. */
+ @Nullable
+ public static Integer parseNullableInt(@Nullable String value) {
+ if (value == null) {
+ return null;
+ }
+ return Integer.parseInt(value);
+ }
+
+ /**
+ * @return {@code value} if it's non-null. Otherwise, returns {@code def}.
+ */
+ @Nullable
+ public static <T> T withDefault(@Nullable T value, @Nullable T def) {
+ return value != null ? value : def;
+ }
}