93 lines
2.7 KiB
Java
93 lines
2.7 KiB
Java
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.view.autofill;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Set;
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/** @hide */
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public final class Helper {
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// Debug-level flags are defined when service is bound.
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public static boolean sDebug = false;
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public static boolean sVerbose = false;
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/**
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* Appends {@code value} to the {@code builder} redacting its contents.
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*/
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public static void appendRedacted(@NonNull StringBuilder builder,
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@Nullable CharSequence value) {
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builder.append(getRedacted(value));
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}
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/**
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* Gets the redacted version of a value.
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*/
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@NonNull
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public static String getRedacted(@Nullable CharSequence value) {
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return (value == null) ? "null" : value.length() + "_chars";
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}
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/**
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* Appends {@code values} to the {@code builder} redacting its contents.
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*/
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public static void appendRedacted(@NonNull StringBuilder builder, @Nullable String[] values) {
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if (values == null) {
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builder.append("N/A");
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return;
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}
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builder.append("[");
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for (String value : values) {
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builder.append(" '");
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appendRedacted(builder, value);
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builder.append("'");
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}
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builder.append(" ]");
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}
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/**
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* Converts a collaction of {@link AutofillId AutofillIds} to an array.
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*
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* @param collection The collection.
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* @return The array.
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*/
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public static @NonNull AutofillId[] toArray(Collection<AutofillId> collection) {
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if (collection == null) {
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return new AutofillId[0];
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}
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final AutofillId[] array = new AutofillId[collection.size()];
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collection.toArray(array);
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return array;
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}
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/**
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* Converts a Set to a List.
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*/
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@Nullable
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public static <T> ArrayList<T> toList(@Nullable Set<T> set) {
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return set == null ? null : new ArrayList<T>(set);
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}
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private Helper() {
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throw new UnsupportedOperationException("contains static members only");
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}
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}
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