import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import java.util.Arrays;
+import java.util.Collection;
import java.util.List;
import java.util.Map;
+import java.util.NoSuchElementException;
import java.util.Objects;
+import java.util.Set;
import java.util.regex.Pattern;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
checkArgument(expression, "expected one of: %s \n%but was: %s", options, value);
}
+ /**
+ * Return value and check whether specified value is null and if so throws exception. This method supports
+ * require default getter methods.
+ *
+ * @param value Value itself
+ * @param name Name of the value
+ * @return Non-null value
+ * @throws NoSuchElementException if value is null
+ */
+ public static <T> @NonNull T require(final @Nullable T value, final @NonNull String name) {
+ if (value == null) {
+ throw new NoSuchElementException("Value of " + name + " is not present");
+ }
+ return value;
+ }
+
/**
* A shortcut for {@code Preconditions.checkNotNull(value, "Key component \"%s\" must not be null", name)}.
*
*/
public static void appendValue(final ToStringHelper helper, final String name, final byte[] value) {
if (value != null) {
+ // FIXME: MDSAL-692: use hex-encoding instead
helper.add(name, Arrays.toString(value));
}
}
+ /**
+ * Append augmentation map of an Augmentable to a ToStringHelper. If augmentations are null or empt, this method
+ * does nothing.
+ *
+ * @param helper Helper to append to
+ * @param name Name of the augmentation value
+ * @param augmentable Augmentable object to
+ * @throws NullPointerException if any argument is null
+ */
+ public static void appendAugmentations(final ToStringHelper helper, final String name,
+ final Augmentable<?> augmentable) {
+ final var augments = augmentable.augmentations();
+ if (!augments.isEmpty()) {
+ helper.add(name, augments.values());
+ }
+ }
+
/**
* Compile a list of pattern regular expressions and return them as an array. The list must hold at least two
* expressions.
* @throws IllegalArgumentException always
*/
public static void throwInvalidLength(final String expected, final byte[] actual) {
+ // FIXME: MDSAL-692: use hex-encoding instead
throwInvalidLength(expected, Arrays.toString(actual));
}
* @param requiredClass Required item class
* @param fieldName name of the field being filled
* @param list List, which items should be checked
+ * @return Type-checked List
* @throws IllegalArgumentException if a list item is not instance of {@code requiredItemClass}
* @throws NullPointerException if {@code requiredClass} or {@code fieldName} is null
*/
@SuppressWarnings("unchecked")
public static <T> @Nullable List<T> checkListFieldCast(final @NonNull Class<?> requiredClass,
final @NonNull String fieldName, final @Nullable List<?> list) {
- if (list != null) {
+ checkCollectionField(requiredClass, fieldName, list);
+ return (List<T>) list;
+ }
+
+ /**
+ * Utility method for checking whether the items of target list is compatible.
+ *
+ * @param requiredClass Required item class
+ * @param fieldName name of the field being filled
+ * @param set Set, which items should be checked
+ * @return Type-checked Set
+ * @throws IllegalArgumentException if a set item is not instance of {@code requiredItemClass}
+ * @throws NullPointerException if {@code requiredClass} or {@code fieldName} is null
+ */
+ @SuppressWarnings("unchecked")
+ public static <T> @Nullable Set<T> checkSetFieldCast(final @NonNull Class<?> requiredClass,
+ final @NonNull String fieldName, final @Nullable Set<?> set) {
+ checkCollectionField(requiredClass, fieldName, set);
+ return (Set<T>) set;
+ }
+
+ private static void checkCollectionField(final @NonNull Class<?> requiredClass,
+ final @NonNull String fieldName, final @Nullable Collection<?> collection) {
+ if (collection != null) {
try {
- list.forEach(item -> requiredClass.cast(requireNonNull(item)));
+ collection.forEach(item -> requiredClass.cast(requireNonNull(item)));
} catch (ClassCastException | NullPointerException e) {
throw new IllegalArgumentException("Invalid input list item for property \"" + requireNonNull(fieldName)
+ "\"", e);
}
}
- return (List<T>) list;
}
/**