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16 package org.apache.cocoon.faces.taglib;
17
18 import org.apache.cocoon.i18n.I18nUtils;
19
20 import org.apache.cocoon.faces.FacesUtils;
21 import org.xml.sax.Attributes  ;
22 import org.xml.sax.SAXException ;
23
24 import javax.faces.convert.Converter;
25 import javax.faces.convert.DateTimeConverter;
26 import java.util.Locale ;
27 import java.util.TimeZone ;
28
29
32 public class ConvertDateTimeTag extends ConverterTag {
33 private String dateStyle;
34 private String locale;
35 private String pattern;
36 private String timeStyle;
37 private String timeZone;
38 private String type;
39
40 public void setDateStyle(String dateStyle) {
41 this.dateStyle = dateStyle;
42 }
43
44 public void setLocale(String locale) {
45 this.locale = locale;
46 }
47
48 public void setPattern(String pattern) {
49 this.pattern = pattern;
50 }
51
52 public void setTimeStyle(String timeStyle) {
53 this.timeStyle = timeStyle;
54 }
55
56 public void setTimeZone(String timeZone) {
57 this.timeZone = timeZone;
58 }
59
60 public void setType(String type) {
61 this.type = type;
62 }
63
64
65 public int doStartTag(String namespaceURI, String localName, String qName, Attributes atts)
66 throws SAXException {
67 setConverterId("javax.faces.DateTime");
68 return super.doStartTag(namespaceURI, localName, qName, atts);
69 }
70
71 protected Converter createConverter() {
72 final UIComponentTag tag = FacesUtils.findParentUIComponentTag(this);
73 DateTimeConverter converter = (DateTimeConverter) super.createConverter();
74
75 converter.setPattern((String ) tag.evaluate(pattern));
76
77 String ds = dateStyle == null? "default": (String ) tag.evaluate(dateStyle);
78 String ts = timeStyle == null? "default": (String ) tag.evaluate(timeStyle);
79 converter.setDateStyle(ds);
80 converter.setTimeStyle(ts);
81
82 String t = null;
83 if (type != null) {
84 t = (String ) tag.evaluate(type);
85 } else if (timeStyle != null) {
86 t = dateStyle != null? "both" : "time";
87 } else {
88 t = "date";
89 }
90 converter.setType(t);
91
92 Locale l = null;
93 if (locale != null) {
94 if (FacesUtils.isExpression(locale)) {
95 l = (Locale ) tag.evaluate(locale);
96 } else {
97 l = I18nUtils.parseLocale(locale);
98 }
99 }
100 converter.setLocale(l);
101
102 TimeZone tz = null;
103 if (timeZone != null) {
104 if (FacesUtils.isExpression(timeZone)) {
105 tz = (TimeZone ) tag.evaluate(timeZone);
106 } else {
107 tz = TimeZone.getTimeZone(timeZone);
108 }
109 }
110 converter.setTimeZone(tz);
111
112 return converter;
113 }
114
115 public void recycle() {
116 super.recycle();
117 this.dateStyle = null;
118 this.locale = null;
119 this.pattern = null;
120 this.timeStyle = null;
121 this.timeZone = null;
122 this.type = null;
123 }
124 }
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