StringUtils.java
/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.car.app.utils;
import static androidx.annotation.RestrictTo.Scope.LIBRARY;
import androidx.annotation.NonNull;
import androidx.annotation.RestrictTo;
/**
* Assorted string manipulation utilities.
*
* @hide
*/
@RestrictTo(LIBRARY)
public final class StringUtils {
private static final int MAX_SHORT_STRING_LENGTH = 16;
/**
* Shortens a string to a maximum length.
*
* <p>This can be used for making logs less noisy.
*
* <p>For example, "Bananas are so yummy", may be shortened to "Banan~yummy".
*/
@NonNull
public static String shortenString(@NonNull String s) {
int length = s.length();
if (length <= MAX_SHORT_STRING_LENGTH) {
return s;
}
int visible = MAX_SHORT_STRING_LENGTH / 2;
return s.substring(0, visible) + "~" + s.substring(s.length() - visible);
}
private StringUtils() {
}
}