76 lines
2.1 KiB
Java
76 lines
2.1 KiB
Java
package androidx.core.util;
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import androidx.annotation.IntRange;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.RestrictTo;
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import java.util.Locale;
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import java.util.Objects;
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public final class Preconditions {
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private Preconditions() {
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}
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public static void checkArgument(boolean z2) {
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if (!z2) {
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throw new IllegalArgumentException();
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}
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}
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public static void checkArgument(boolean z2, @NonNull Object obj) {
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if (!z2) {
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throw new IllegalArgumentException(String.valueOf(obj));
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}
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}
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public static int checkArgumentInRange(int i, int i2, int i3, @NonNull String str) {
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if (i < i2) {
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throw new IllegalArgumentException(String.format(Locale.US, "%s is out of range of [%d, %d] (too low)", str, Integer.valueOf(i2), Integer.valueOf(i3)));
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} else if (i <= i3) {
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return i;
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} else {
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throw new IllegalArgumentException(String.format(Locale.US, "%s is out of range of [%d, %d] (too high)", str, Integer.valueOf(i2), Integer.valueOf(i3)));
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}
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}
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@IntRange(from = 0)
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public static int checkArgumentNonnegative(int i) {
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if (i >= 0) {
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return i;
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}
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throw new IllegalArgumentException();
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}
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@IntRange(from = 0)
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public static int checkArgumentNonnegative(int i, @Nullable String str) {
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if (i >= 0) {
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return i;
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}
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throw new IllegalArgumentException(str);
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}
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@NonNull
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public static <T> T checkNotNull(@Nullable T t) {
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Objects.requireNonNull(t);
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return t;
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}
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@NonNull
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public static <T> T checkNotNull(@Nullable T t, @NonNull Object obj) {
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if (t != null) {
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return t;
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}
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throw new NullPointerException(String.valueOf(obj));
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}
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public static void checkState(boolean z2) {
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checkState(z2, null);
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}
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public static void checkState(boolean z2, @Nullable String str) {
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if (!z2) {
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throw new IllegalStateException(str);
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}
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}
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}
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