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 package org.apache.commons.beanutils.converters;
18
19 /**
20 * {@link NumberConverter} implementation that handles conversion to
21 * and from <b>java.lang.Long</b> objects.
22 * <p>
23 * This implementation can be configured to handle conversion either
24 * by using Long's default String conversion, or by using a Locale's pattern
25 * or by specifying a format pattern. See the {@link NumberConverter}
26 * documentation for further details.
27 * <p>
28 * Can be configured to either return a <i>default value</i> or throw a
29 * <code>ConversionException</code> if a conversion error occurs.
30 *
31 * @version $Id$
32 * @since 1.3
33 */
34 public final class LongConverter extends NumberConverter {
35
36 /**
37 * Construct a <b>java.lang.Long</b> <i>Converter</i> that throws
38 * a <code>ConversionException</code> if an error occurs.
39 */
40 public LongConverter() {
41 super(false);
42 }
43
44 /**
45 * Construct a <b>java.lang.Long</b> <i>Converter</i> that returns
46 * a default value if an error occurs.
47 *
48 * @param defaultValue The default value to be returned
49 * if the value to be converted is missing or an error
50 * occurs converting the value.
51 */
52 public LongConverter(final Object defaultValue) {
53 super(false, defaultValue);
54 }
55
56 /**
57 * Return the default type this <code>Converter</code> handles.
58 *
59 * @return The default type this <code>Converter</code> handles.
60 * @since 1.8.0
61 */
62 @Override
63 protected Class<Long> getDefaultType() {
64 return Long.class;
65 }
66
67 }