br.com.objectos.html.io.DoubleParser Maven / Gradle / Ivy

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/*
 * Copyright 2016 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.html.io;

import java.text.NumberFormat;
import java.text.ParseException;

/**
 * @author [email protected] (Marcio Endo)
 */
public class DoubleParser {

  private DoubleParser() {
  }

  public static double parse(String text) {
    try {
      NumberFormat parser = NumberFormat.getInstance();
      String cleanText = cleanText(text);
      Number number = parser.parse(cleanText);
      return number.doubleValue();
    } catch (ParseException e) {
      return Double.NaN;
    }
  }

  static String cleanText(String text) {
    return text.replaceAll("[^0-9,\\.]", "");
  }

}