content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.apache.camel.dataformat.bindy.format;
  
  import java.text.DecimalFormat;
  import java.text.DecimalFormatSymbols;
  import java.util.Locale;
  
  import org.apache.camel.dataformat.bindy.Format;
  
  /**
   *
   */
  public abstract class AbstractNumberFormat<T extends Number> implements Format<T> {
      private boolean impliedDecimalPosition;
      private int precision;
      private DecimalFormat format;
      private double multiplier;
  
      /**
       *
       */
      protected AbstractNumberFormat() {
          this(false, 0, null);
      }
  
      /**
       *
       */
      protected AbstractNumberFormat(boolean impliedDecimalPosition, int precision, Locale locale) {
          this.impliedDecimalPosition = impliedDecimalPosition;
          this.precision = precision > 0 ? precision : 0;
          this.format = null;
          this.multiplier = 1;
  
          this.format = new DecimalFormat();
          this.format.setGroupingUsed(false);
          this.format.setDecimalSeparatorAlwaysShown(false);
  
          if (locale != null) {
              this.format.setDecimalFormatSymbols(DecimalFormatSymbols.getInstance(locale));
          }
  
          if (this.impliedDecimalPosition) {
              this.format.setMinimumFractionDigits(0);
              this.format.setMaximumFractionDigits(0);
              this.multiplier = Math.pow(10D, precision);
          } else {
              this.format.setMinimumFractionDigits(this.precision);
              this.format.setMaximumFractionDigits(this.precision);
          }
      }
  
      protected boolean hasImpliedDecimalPosition() {
          return this.impliedDecimalPosition;
      }
  
      protected int getPrecision() {
          return this.precision;
      }
  
      protected DecimalFormat getFormat() {
          return this.format;
      }
  
      protected double getMultiplier() {
          return multiplier;
      }
  }
  