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Add an IntDef for PlaybackException's Bundle key fields

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PiperOrigin-RevId: 372548259
This commit is contained in:
aquilescanta 2021-05-07 15:03:16 +01:00 committed by Andrew Lewis
parent 2914e574e6
commit e96fde5fe4
1 changed files with 23 additions and 6 deletions
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29
library/common/src/main/java/com/google/android/exoplayer2/PlaybackException.java
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@ -204,8 +204,25 @@ public class PlaybackException extends Exception implements Bundleable {
// Bundleable implementation. // Bundleable implementation.
/**
* Identifiers for fields in a {@link Bundle} which represents a playback exception. Subclasses
* may use {@link #FIELD_CUSTOM_ID_BASE} to generate more keys using {@link #keyForField(int)}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef(
open = true,
value = {
FIELD_INT_ERROR_CODE,
FIELD_LONG_TIMESTAMP_MS,
FIELD_STRING_MESSAGE,
FIELD_STRING_CAUSE_CLASS_NAME,
FIELD_STRING_CAUSE_MESSAGE,
})
protected @interface FieldNumber {}
private static final int FIELD_INT_ERROR_CODE = 0; private static final int FIELD_INT_ERROR_CODE = 0;
private static final int FIELD_LONG_TIME_STAMP_MS = 1; private static final int FIELD_LONG_TIMESTAMP_MS = 1;
private static final int FIELD_STRING_MESSAGE = 2; private static final int FIELD_STRING_MESSAGE = 2;
private static final int FIELD_STRING_CAUSE_CLASS_NAME = 3; private static final int FIELD_STRING_CAUSE_CLASS_NAME = 3;
private static final int FIELD_STRING_CAUSE_MESSAGE = 4; private static final int FIELD_STRING_CAUSE_MESSAGE = 4;
@ -227,7 +244,7 @@ public class PlaybackException extends Exception implements Bundleable {
public Bundle toBundle() { public Bundle toBundle() {
Bundle bundle = new Bundle(); Bundle bundle = new Bundle();
bundle.putInt(keyForField(FIELD_INT_ERROR_CODE), errorCode); bundle.putInt(keyForField(FIELD_INT_ERROR_CODE), errorCode);
bundle.putLong(keyForField(FIELD_LONG_TIME_STAMP_MS), timestampMs); bundle.putLong(keyForField(FIELD_LONG_TIMESTAMP_MS), timestampMs);
bundle.putString(keyForField(FIELD_STRING_MESSAGE), getMessage()); bundle.putString(keyForField(FIELD_STRING_MESSAGE), getMessage());
@Nullable Throwable cause = getCause(); @Nullable Throwable cause = getCause();
if (cause != null) { if (cause != null) {
@ -250,7 +267,7 @@ public class PlaybackException extends Exception implements Bundleable {
keyForField(FIELD_INT_ERROR_CODE), /* defaultValue= */ ERROR_CODE_UNSPECIFIED); keyForField(FIELD_INT_ERROR_CODE), /* defaultValue= */ ERROR_CODE_UNSPECIFIED);
long timestampMs = long timestampMs =
bundle.getLong( bundle.getLong(
keyForField(FIELD_LONG_TIME_STAMP_MS), keyForField(FIELD_LONG_TIMESTAMP_MS),
/* defaultValue= */ SystemClock.elapsedRealtime()); /* defaultValue= */ SystemClock.elapsedRealtime());
@Nullable String message = bundle.getString(keyForField(FIELD_STRING_MESSAGE)); @Nullable String message = bundle.getString(keyForField(FIELD_STRING_MESSAGE));
@Nullable String causeClassName = bundle.getString(keyForField(FIELD_STRING_CAUSE_CLASS_NAME)); @Nullable String causeClassName = bundle.getString(keyForField(FIELD_STRING_CAUSE_CLASS_NAME));
@ -279,10 +296,10 @@ public class PlaybackException extends Exception implements Bundleable {
} }
/** /**
* Converts the given {@code field} to a string which can be used as a field key when implementing * Converts the given {@link FieldNumber} to a string which can be used as a field key when
* {@link #toBundle()} and {@link Bundleable.Creator}. * implementing {@link #toBundle()} and {@link Bundleable.Creator}.
*/ */
protected static String keyForField(int field) { protected static String keyForField(@FieldNumber int field) {
return Integer.toString(field, Character.MAX_RADIX); return Integer.toString(field, Character.MAX_RADIX);
} }