/*
 * Copyright (C) 2016 Red Hat, Inc.
 *
 * 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 io.syndesis.common.util;

import java.nio.charset.StandardCharsets;

/**
 * Utilities for working with Strings
 */
public final class Strings {

    private Strings() {
    }

    public static boolean isEmptyOrBlank(final String given) {
        if (given == null || given.isEmpty()) {
            return true;
        }

        final int len = given.length();
        for (int i = 0; i < len; i++) {
            final char ch = given.charAt(i);
            if (!Character.isWhitespace(ch)) {
                return false;
            }
        }

        return true;
    }

    public static String truncate(final String name, final int max) {
        return name.length() > max ? name.substring(0, max) : name;
    }

    public static String utf8(final byte[] data) {
        return new String(data, StandardCharsets.UTF_8);
    }
}
