org.mvel2.sh.text.TextUtil Maven / Gradle / Ivy

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TBEL is a powerful expression language for ThingsBoard platform user-defined functions. Original implementation is based on MVEL.

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/**
 * MVEL 2.0
 * Copyright (C) 2007 The Codehaus
 * Mike Brock, Dhanji Prasanna, John Graham, Mark Proctor
 *
 * 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 org.mvel2.sh.text;

import static java.lang.String.valueOf;

public class TextUtil {
  public static String pad(int colLength, int tabPos) {
    StringBuilder sAppend = new StringBuilder();
    for (int len = tabPos - colLength; len != -1; len--) {
      sAppend.append(' ');
    }

    return sAppend.toString();
  }

  public static String paint(char c, int amount) {
    StringBuilder append = new StringBuilder();
    for (; amount != -1; amount--) {
      append.append(c);
    }
    return append.toString();
  }

  public static String padTwo(Object first, Object second, int tab) {
    return new StringBuilder(valueOf(first)).append(pad(valueOf(first).length(), tab)).append(second).toString();
  }
}