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'rapiddweller Common' is an open source Java library forked from Databene Commons by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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 com.rapiddweller.common;

import com.rapiddweller.common.converter.ToStringConverter;

import java.util.List;

/**
 * Provides text utilities.


 * Created: 21.11.2019 11:53:38
 *
 * @author Volker Bergmann
 * @since 1.0.12
 */
public class TextUtil {

  /**
   * Format list string.
   *
   * @param list the list
   * @return the string
   */
  public static String formatList(List list) {
    StringBuilder text = new StringBuilder();
    for (Object item : list) {
      text.append(format(item)).append(SystemInfo.LF);
    }
    return text.toString();
  }

  /**
   * Format table string.
   *
   * @param table     the table
   * @param separator the separator
   * @return the string
   */
  public static String formatTable(Object[][] table, char separator) {
    StringBuilder text = new StringBuilder();
    for (Object[] row : table) {
      for (int i = 0; i < row.length; i++) {
        text.append(format(row[i]));
        if (i < row.length - 1) {
          text.append(separator);
        }
      }
      text.append(SystemInfo.LF);
    }
    return text.toString();
  }

  private static String format(Object object) {
    if (object instanceof Number) {
      return HF.format(((Number) object).doubleValue());
    } else {
      return ToStringConverter.convert(object, "");
    }
  }

}