    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 *      https://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 */
    017
    018package org.apache.commons.beanutils2.locale.converters;
    019
    020import java.text.ParseException;
    021import java.util.Locale;
    022
    023import org.apache.commons.beanutils2.ConversionException;
    024
    025/**
    026 * Standard {@link org.apache.commons.beanutils2.locale.LocaleConverter} implementation that converts an incoming locale-sensitive String into a {@link Long}
    027 * object, optionally using a default value or throwing a {@link org.apache.commons.beanutils2.ConversionException} if a conversion error occurs.
    028 */
    029public class LongLocaleConverter extends DecimalLocaleConverter<Long> {
    030
    031    /**
    032     * Builds instances of {@link ByteLocaleConverter}.
    033     */
    034    public static class Builder extends DecimalLocaleConverter.Builder<Builder, Long> {
    035
    036        /**
    037         * Constructs a new instance.
    038         */
    039        public Builder() {
    040            // empty
    041        }
    042
    043        @Override
    044        public LongLocaleConverter get() {
    045            return new LongLocaleConverter(defaultValue, locale, pattern, useDefault || defaultValue != null, localizedPattern);
    046        }
    047
    048    }
    049
    050    /**
    051     * Constructs a new builder.
    052     *
    053     * @return a new builder.
    054     */
    055    public static Builder builder() {
    056        return new Builder();
    057    }
    058
    059    private LongLocaleConverter(final Long defaultValue, final Locale locale, final String pattern, final boolean useDefault, final boolean locPattern) {
    060        super(defaultValue, locale, pattern, useDefault, locPattern);
    061    }
    062
    063    /**
    064     * Parses the specified locale-sensitive input object into an output object of the specified type. This method will return a Long type.
    065     *
    066     * @param value   The input object to be converted
    067     * @param pattern The pattern is used for the conversion
    068     * @return The converted value
    069     * @throws ConversionException if conversion cannot be performed successfully
    070     * @throws ParseException      if an error occurs parsing a String to a Number
    071     * @since 1.8.0
    072     */
    073    @Override
    074    protected Long parse(final Object value, final String pattern) throws ParseException {
    075        final Number result = super.parse(value, pattern);
    076
    077        if (result == null || result instanceof Long) {
    078            return (Long) result;
    079        }
    080
    081        return Long.valueOf(result.longValue());
    082    }
    083}