BigDecimalConverter.java

  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * The ASF licenses this file to You under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  *      http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17. package org.apache.commons.beanutils2.converters;

  18. import java.math.BigDecimal;

  19. /**
  20.  * {@link NumberConverter} implementation that handles conversion to and from <strong>java.math.BigDecimal</strong> objects.
  21.  * <p>
  22.  * This implementation can be configured to handle conversion either by using BigDecimal's default String conversion, or by using a Locale's pattern or by
  23.  * specifying a format pattern. See the {@link NumberConverter} documentation for further details.
  24.  * <p>
  25.  * Can be configured to either return a <em>default value</em> or throw a {@code ConversionException} if a conversion error occurs.
  26.  *
  27.  * @since 1.3
  28.  */
  29. public final class BigDecimalConverter extends NumberConverter<BigDecimal> {

  30.     /**
  31.      * Constructs a <strong>java.math.BigDecimal</strong> <em>Converter</em> that throws a {@code ConversionException} if an error occurs.
  32.      */
  33.     public BigDecimalConverter() {
  34.         super(true);
  35.     }

  36.     /**
  37.      * Constructs a <strong>java.math.BigDecimal</strong> <em>Converter</em> that returns a default value if an error occurs.
  38.      *
  39.      * @param defaultValue The default value to be returned if the value to be converted is missing or an error occurs converting the value.
  40.      */
  41.     public BigDecimalConverter(final BigDecimal defaultValue) {
  42.         super(true, defaultValue);
  43.     }

  44.     /**
  45.      * Constructs a <strong>java.math.BigDecimal</strong> <em>Converter</em> that returns a default value if an error occurs.
  46.      *
  47.      * @param defaultValue The default value to be returned if the value to be converted is missing or an error occurs converting the value.
  48.      */
  49.     public BigDecimalConverter(final Number defaultValue) {
  50.         this(BigDecimal.valueOf(defaultValue.doubleValue()));
  51.     }

  52.     /**
  53.      * Gets the default type this {@code Converter} handles.
  54.      *
  55.      * @return The default type this {@code Converter} handles.
  56.      * @since 1.8.0
  57.      */
  58.     @Override
  59.     protected Class<BigDecimal> getDefaultType() {
  60.         return BigDecimal.class;
  61.     }

  62. }