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