    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 Short}
    027 * object, optionally using a default value or throwing a {@link org.apache.commons.beanutils2.ConversionException} if a conversion error occurs.
    028 */
    029public class ShortLocaleConverter extends DecimalLocaleConverter<Short> {
    030
    031    /**
    032     * Builds instances of {@link ByteLocaleConverter}.
    033     */
    034    public static class Builder extends DecimalLocaleConverter.Builder<Builder, Short> {
    035
    036        /**
    037         * Constructs a new instance.
    038         */
    039        public Builder() {
    040            // empty
    041        }
    042
    043        /**
    044         * Gets a new instance.
    045         *
    046         * @return a new instance.
    047         */
    048        @Override
    049        public ShortLocaleConverter get() {
    050            return new ShortLocaleConverter(defaultValue, locale, pattern, useDefault || defaultValue != null, localizedPattern);
    051        }
    052
    053    }
    054
    055    /**
    056     * Constructs a new builder.
    057     *
    058     * @return a new builder.
    059     */
    060    public static Builder builder() {
    061        return new Builder();
    062    }
    063
    064    private ShortLocaleConverter(final Short defaultValue, final Locale locale, final String pattern, final boolean useDefault, final boolean locPattern) {
    065        super(defaultValue, locale, pattern, useDefault, locPattern);
    066    }
    067
    068    /**
    069     * Parses the specified locale-sensitive input object into an output object of the specified type. This method will return values of type Short.
    070     *
    071     * @param value   The input object to be converted
    072     * @param pattern The pattern is used for the conversion
    073     * @return The converted value
    074     * @throws ConversionException if conversion cannot be performed successfully
    075     * @throws ParseException      if an error occurs parsing a String to a Number
    076     * @since 1.8.0
    077     */
    078    @Override
    079    protected Short parse(final Object value, final String pattern) throws ParseException {
    080        final Object result = super.parse(value, pattern);
    081
    082        if (result == null || result instanceof Short) {
    083            return (Short) result;
    084        }
    085
    086        final Number parsed = (Number) result;
    087        if (parsed.longValue() != parsed.shortValue()) {
    088            throw new ConversionException("Supplied number is not of type Short: " + parsed.longValue());
    089        }
    090
    091        // now returns property Short
    092        return Short.valueOf(parsed.shortValue());
    093    }
    094
    095}