01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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.cocoon.forms.datatype.convertor;
18:
19: import java.util.Locale;
20: import java.text.DecimalFormat;
21: import java.text.ParseException;
22:
23: /**
24: * A Convertor for {@link Double}s backed by the
25: * {@link java.text.DecimalFormat DecimalFormat} class.
26: *
27: * <p>This class is mostly the same as the {@link FormattingDecimalConvertor},
28: * so see there for more information.
29: *
30: * @version $Id: FormattingDoubleConvertor.java 449149 2006-09-23 03:58:05Z crossley $
31: */
32: public class FormattingDoubleConvertor extends
33: FormattingDecimalConvertor {
34:
35: public FormattingDoubleConvertor() {
36: super ();
37: }
38:
39: public ConversionResult convertFromString(String value,
40: Locale locale, Convertor.FormatCache formatCache) {
41: // Some locales (e.g. "fr") produce non-breaking spaces sent back as space by the browser
42: value = value.replace(' ', (char) 160);
43: DecimalFormat decimalFormat = getDecimalFormat(locale,
44: formatCache);
45: try {
46: Number decimalValue = decimalFormat.parse(value);
47: if (decimalValue instanceof Double)
48: return new ConversionResult(decimalValue);
49: else
50: return new ConversionResult(new Double(decimalValue
51: .doubleValue()));
52: } catch (ParseException e) {
53: return ConversionResult.create("double");
54: }
55: }
56:
57: public Class getTypeClass() {
58: return Double.class;
59: }
60: }
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