StringUtils.java

/*
 * Copyright (C) 2008-2022 Mycila (mathieu.carbou@gmail.com)
 *
 * 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 com.mycila.maven.plugin.license.util;

/**
 * @author Mathieu Carbou (mathieu.carbou@gmail.com)
 */
public final class StringUtils {

  private StringUtils() {
  }

  public static String rtrim(java.lang.String s) {
    int i;
    for (i = s.length() - 1; i >= 0; i--) {
      if (Character.isWhitespace(s.charAt(i))) {
        continue;
      }
      break;
    }
    return s.substring(0, i + 1);
  }

  public static String padRight(String s, int len) {
    if (s == null || s.length() >= len) {
      return s;
    }

    StringBuilder sb = new StringBuilder(len);
    sb.append(s);
    for (int i = s.length(); i < len; i++) {
      sb.append(' ');
    }
    return sb.toString();
  }
}