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 * https://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
18 package org.apache.commons.beanutils2.locale.converters;
19
20 import java.text.ParseException;
21 import java.util.Locale;
22
23 import org.apache.commons.beanutils2.ConversionException;
24
25 /**
26 * Standard {@link org.apache.commons.beanutils2.locale.LocaleConverter} implementation that converts an incoming locale-sensitive String into a {@link Short}
27 * object, optionally using a default value or throwing a {@link org.apache.commons.beanutils2.ConversionException} if a conversion error occurs.
28 */
29 public class ShortLocaleConverter extends DecimalLocaleConverter<Short> {
30
31 /**
32 * Builds instances of {@link ByteLocaleConverter}.
33 */
34 public static class Builder extends DecimalLocaleConverter.Builder<Builder, Short> {
35
36 /**
37 * Constructs a new instance.
38 */
39 public Builder() {
40 // empty
41 }
42
43 /**
44 * Gets a new instance.
45 *
46 * @return a new instance.
47 */
48 @Override
49 public ShortLocaleConverter get() {
50 return new ShortLocaleConverter(defaultValue, locale, pattern, useDefault || defaultValue != null, localizedPattern);
51 }
52
53 }
54
55 /**
56 * Constructs a new builder.
57 *
58 * @return a new builder.
59 */
60 public static Builder builder() {
61 return new Builder();
62 }
63
64 private ShortLocaleConverter(final Short defaultValue, final Locale locale, final String pattern, final boolean useDefault, final boolean locPattern) {
65 super(defaultValue, locale, pattern, useDefault, locPattern);
66 }
67
68 /**
69 * Parses the specified locale-sensitive input object into an output object of the specified type. This method will return values of type Short.
70 *
71 * @param value The input object to be converted
72 * @param pattern The pattern is used for the conversion
73 * @return The converted value
74 * @throws ConversionException if conversion cannot be performed successfully
75 * @throws ParseException if an error occurs parsing a String to a Number
76 * @since 1.8.0
77 */
78 @Override
79 protected Short parse(final Object value, final String pattern) throws ParseException {
80 final Object result = super.parse(value, pattern);
81
82 if (result == null || result instanceof Short) {
83 return (Short) result;
84 }
85
86 final Number parsed = (Number) result;
87 if (parsed.longValue() != parsed.shortValue()) {
88 throw new ConversionException("Supplied number is not of type Short: " + parsed.longValue());
89 }
90
91 // now returns property Short
92 return Short.valueOf(parsed.shortValue());
93 }
94
95 }