    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017package org.apache.commons.beanutils2.converters;
    018
    019import java.math.BigInteger;
    020
    021/**
    022 * {@link NumberConverter} implementation that handles conversion to and from <strong>java.math.BigInteger</strong> objects.
    023 * <p>
    024 * This implementation can be configured to handle conversion either by using BigInteger's default String conversion, or by using a Locale's pattern or by
    025 * specifying a format pattern. See the {@link NumberConverter} documentation for further details.
    026 * <p>
    027 * Can be configured to either return a <em>default value</em> or throw a {@code ConversionException} if a conversion error occurs.
    028 *
    029 * @since 1.3
    030 */
    031public final class BigIntegerConverter extends NumberConverter<BigInteger> {
    032
    033    /**
    034     * Constructs a <strong>java.math.BigInteger</strong> <em>Converter</em> that throws a {@code ConversionException} if an error occurs.
    035     */
    036    public BigIntegerConverter() {
    037        super(false);
    038    }
    039
    040    /**
    041     * Constructs a <strong>java.math.BigInteger</strong> <em>Converter</em> that returns a default value if an error occurs.
    042     *
    043     * @param defaultValue The default value to be returned if the value to be converted is missing or an error occurs converting the value.
    044     */
    045    public BigIntegerConverter(final BigInteger defaultValue) {
    046        super(false, defaultValue);
    047    }
    048
    049    /**
    050     * Constructs a <strong>java.math.BigInteger</strong> <em>Converter</em> that returns a default value if an error occurs.
    051     *
    052     * @param defaultValue The default value to be returned if the value to be converted is missing or an error occurs converting the value.
    053     */
    054    public BigIntegerConverter(final Number defaultValue) {
    055        this(BigInteger.valueOf(defaultValue.longValue()));
    056    }
    057
    058    /**
    059     * Gets the default type this {@code Converter} handles.
    060     *
    061     * @return The default type this {@code Converter} handles.
    062     * @since 1.8.0
    063     */
    064    @Override
    065    protected Class<BigInteger> getDefaultType() {
    066        return BigInteger.class;
    067    }
    068
    069}