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 * http://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
19 package org.apache.commons.beanutils.converters;
20
21
22 import java.util.List;
23 import org.apache.commons.beanutils.ConversionException;
24
25
26 /**
27 * <p>Standard {@link org.apache.commons.beanutils.Converter} implementation that converts an incoming
28 * String into a primitive array of short. On a conversion failure, returns
29 * a specified default value or throws a {@link ConversionException} depending
30 * on how this instance is constructed.</p>
31 *
32 * @version $Id$
33 * @since 1.4
34 * @deprecated Replaced by the new {@link ArrayConverter} implementation
35 */
36
37 @Deprecated
38 public final class ShortArrayConverter extends AbstractArrayConverter {
39
40
41 // ----------------------------------------------------------- Constructors
42
43
44 /**
45 * Create a {@link org.apache.commons.beanutils.Converter} that will throw
46 * a {@link ConversionException} if a conversion error occurs.
47 */
48 public ShortArrayConverter() {
49
50 this.defaultValue = null;
51 this.useDefault = false;
52
53 }
54
55
56 /**
57 * Create a {@link org.apache.commons.beanutils.Converter} that will return
58 * the specified default value if a conversion error occurs.
59 *
60 * @param defaultValue The default value to be returned
61 */
62 public ShortArrayConverter(final Object defaultValue) {
63
64 this.defaultValue = defaultValue;
65 this.useDefault = true;
66
67 }
68
69
70 // ------------------------------------------------------- Static Variables
71
72
73 /**
74 * <p>Model object for type comparisons.</p>
75 */
76 private static final short[] MODEL = new short[0];
77
78
79 // --------------------------------------------------------- Public Methods
80
81
82 /**
83 * Convert the specified input object into an output object of the
84 * specified type.
85 *
86 * @param type Data type to which this value should be converted
87 * @param value The input value to be converted
88 * @return the converted value
89 *
90 * @throws ConversionException if conversion cannot be performed
91 * successfully
92 */
93 @Override
94 public Object convert(final Class type, final Object value) {
95
96 // Deal with a null value
97 if (value == null) {
98 if (useDefault) {
99 return (defaultValue);
100 } else {
101 throw new ConversionException("No value specified");
102 }
103 }
104
105 // Deal with the no-conversion-needed case
106 if (MODEL.getClass() == value.getClass()) {
107 return (value);
108 }
109
110 // Deal with input value as a String array
111 if (strings.getClass() == value.getClass()) {
112 try {
113 final String[] values = (String[]) value;
114 final short[] results = new short[values.length];
115 for (int i = 0; i < values.length; i++) {
116 results[i] = Short.parseShort(values[i]);
117 }
118 return (results);
119 } catch (final Exception e) {
120 if (useDefault) {
121 return (defaultValue);
122 } else {
123 throw new ConversionException(value.toString(), e);
124 }
125 }
126 }
127
128 // Parse the input value as a String into elements
129 // and convert to the appropriate type
130 try {
131 final List list = parseElements(value.toString());
132 final short[] results = new short[list.size()];
133 for (int i = 0; i < results.length; i++) {
134 results[i] = Short.parseShort((String) list.get(i));
135 }
136 return (results);
137 } catch (final Exception e) {
138 if (useDefault) {
139 return (defaultValue);
140 } else {
141 throw new ConversionException(value.toString(), e);
142 }
143 }
144
145 }
146
147
148 }