nl.altindag.ssl.util.internal.StringUtils Maven / Gradle / Ivy

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High level library to configure a SSLContext and other properties to enable SSL/TLS connection

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/*
 * Copyright 2019 Thunderberry.
 *
 * 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
 *
 *      https://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 nl.altindag.ssl.util.internal;

import static java.util.Objects.isNull;

/**
 * NOTE:
 * Please don't use this class directly as it is part of the internal API. Class name and methods can be changed any time.
 *
 * @author Hakan Altindag
 */
public final class StringUtils {

    private StringUtils() {}

    public static boolean isBlank(CharSequence charSequence) {
        int length = isNull(charSequence) ? 0 : charSequence.length();
        if (length != 0) {
            for (int i = 0; i < length; ++i) {
                if (!Character.isWhitespace(charSequence.charAt(i))) {
                    return false;
                }
            }
        }
        return true;
    }

    public static boolean isNotBlank(CharSequence charSequence) {
        return !isBlank(charSequence);
    }

}