Annotate log methods with @Pure

PiperOrigin-RevId: 352519583
This commit is contained in:
ibaker 2021-01-19 09:47:39 +00:00 committed by Oliver Woodman
parent 0c22810a7b
commit fc952bfba2

View File

@ -22,6 +22,7 @@ import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.net.UnknownHostException;
import org.checkerframework.dataflow.qual.Pure;
/** Wrapper around {@link android.util.Log} which allows to set the log level. */
public final class Log {
@ -51,11 +52,13 @@ public final class Log {
private Log() {}
/** Returns current {@link LogLevel} for ExoPlayer logcat logging. */
@Pure
public static @LogLevel int getLogLevel() {
return logLevel;
}
/** Returns whether stack traces of {@link Throwable}s will be logged to logcat. */
@Pure
public boolean getLogStackTraces() {
return logStackTraces;
}
@ -80,6 +83,7 @@ public final class Log {
}
/** @see android.util.Log#d(String, String) */
@Pure
public static void d(String tag, String message) {
if (logLevel == LOG_LEVEL_ALL) {
android.util.Log.d(tag, message);
@ -87,11 +91,13 @@ public final class Log {
}
/** @see android.util.Log#d(String, String, Throwable) */
@Pure
public static void d(String tag, String message, @Nullable Throwable throwable) {
d(tag, appendThrowableString(message, throwable));
}
/** @see android.util.Log#i(String, String) */
@Pure
public static void i(String tag, String message) {
if (logLevel <= LOG_LEVEL_INFO) {
android.util.Log.i(tag, message);
@ -99,11 +105,13 @@ public final class Log {
}
/** @see android.util.Log#i(String, String, Throwable) */
@Pure
public static void i(String tag, String message, @Nullable Throwable throwable) {
i(tag, appendThrowableString(message, throwable));
}
/** @see android.util.Log#w(String, String) */
@Pure
public static void w(String tag, String message) {
if (logLevel <= LOG_LEVEL_WARNING) {
android.util.Log.w(tag, message);
@ -111,11 +119,13 @@ public final class Log {
}
/** @see android.util.Log#w(String, String, Throwable) */
@Pure
public static void w(String tag, String message, @Nullable Throwable throwable) {
w(tag, appendThrowableString(message, throwable));
}
/** @see android.util.Log#e(String, String) */
@Pure
public static void e(String tag, String message) {
if (logLevel <= LOG_LEVEL_ERROR) {
android.util.Log.e(tag, message);
@ -123,6 +133,7 @@ public final class Log {
}
/** @see android.util.Log#e(String, String, Throwable) */
@Pure
public static void e(String tag, String message, @Nullable Throwable throwable) {
e(tag, appendThrowableString(message, throwable));
}
@ -139,6 +150,7 @@ public final class Log {
* @return The string representation of the {@link Throwable}.
*/
@Nullable
@Pure
public static String getThrowableString(@Nullable Throwable throwable) {
if (throwable == null) {
return null;
@ -157,6 +169,7 @@ public final class Log {
}
}
@Pure
private static String appendThrowableString(String message, @Nullable Throwable throwable) {
@Nullable String throwableString = getThrowableString(throwable);
if (!TextUtils.isEmpty(throwableString)) {
@ -165,6 +178,7 @@ public final class Log {
return message;
}
@Pure
private static boolean isCausedByUnknownHostException(@Nullable Throwable throwable) {
while (throwable != null) {
if (throwable instanceof UnknownHostException) {