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package org.apache.tapestry.valid; |
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import java.text.DateFormat; |
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import java.text.ParseException; |
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import java.text.SimpleDateFormat; |
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import java.util.Calendar; |
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import java.util.Date; |
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import java.util.GregorianCalendar; |
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import java.util.HashMap; |
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import java.util.Map; |
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import org.apache.tapestry.IMarkupWriter; |
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import org.apache.tapestry.IRequestCycle; |
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import org.apache.tapestry.form.IFormComponent; |
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public class DateValidator extends BaseValidator |
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{ |
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public static final String DEFAULT_DISPLAY_FORMAT = "MM/DD/YYYY"; |
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|
42 | 0 | public static final DateFormat DEFAULT_DATE_FORMAT = new SimpleDateFormat("MM/dd/yyyy"); |
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private DateFormat _format; |
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private String _displayFormat; |
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private Date _minimum; |
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private Date _maximum; |
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private Calendar _calendar; |
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54 | 0 | private String _scriptPath = "/org/apache/tapestry/valid/DateValidator.script"; |
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private String _dateTooEarlyMessage; |
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private String _dateTooLateMessage; |
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private String _invalidDateFormatMessage; |
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public DateValidator() |
63 | 0 | { |
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65 | 0 | } |
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public DateValidator(String initializer) |
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{ |
75 | 0 | super(initializer); |
76 | 0 | } |
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public void setFormat(DateFormat value) |
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{ |
80 | 0 | _format = value; |
81 | 0 | } |
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public DateFormat getFormat() |
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{ |
85 | 0 | return _format; |
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} |
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public DateFormat getEffectiveFormat() |
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{ |
95 | 0 | if (_format == null) |
96 | 0 | return DEFAULT_DATE_FORMAT; |
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|
98 | 0 | return _format; |
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} |
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public String getDisplayFormat() |
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{ |
103 | 0 | return _displayFormat; |
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} |
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public void setDisplayFormat(String value) |
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{ |
108 | 0 | _displayFormat = value; |
109 | 0 | } |
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public String getEffectiveDisplayFormat() |
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{ |
120 | 0 | if (_displayFormat == null) |
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{ |
122 | 0 | DateFormat format = getEffectiveFormat(); |
123 | 0 | if (format instanceof SimpleDateFormat) |
124 | 0 | return ((SimpleDateFormat) format).toPattern(); |
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126 | 0 | return DEFAULT_DISPLAY_FORMAT; |
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} |
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129 | 0 | return _displayFormat; |
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} |
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public String toString(IFormComponent file, Object value) |
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{ |
134 | 0 | if (value == null) |
135 | 0 | return null; |
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137 | 0 | Date date = (Date) value; |
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139 | 0 | DateFormat format = getEffectiveFormat(); |
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|
143 | 0 | synchronized (format) |
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{ |
145 | 0 | return format.format(date); |
146 | 0 | } |
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} |
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public Object toObject(IFormComponent field, String value) throws ValidatorException |
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{ |
151 | 0 | if (checkRequired(field, value)) |
152 | 0 | return null; |
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|
154 | 0 | DateFormat format = getEffectiveFormat(); |
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Date result; |
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try |
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{ |
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|
163 | 0 | synchronized (format) |
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{ |
165 | 0 | result = format.parse(value); |
166 | 0 | } |
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168 | 0 | if (_calendar == null) |
169 | 0 | _calendar = new GregorianCalendar(); |
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171 | 0 | _calendar.setTime(result); |
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178 | 0 | if (_calendar.get(Calendar.YEAR) < 1000) |
179 | 0 | result = null; |
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} |
182 | 0 | catch (ParseException ex) |
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{ |
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|
186 | 0 | result = null; |
187 | 0 | } |
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189 | 0 | if (result == null) |
190 | 0 | throw new ValidatorException(buildInvalidDateFormatMessage(field), |
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ValidationConstraint.DATE_FORMAT); |
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195 | 0 | if (_minimum != null && _minimum.compareTo(result) > 0) |
196 | 0 | throw new ValidatorException(buildDateTooEarlyMessage(field, format.format(_minimum)), |
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ValidationConstraint.TOO_SMALL); |
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199 | 0 | if (_maximum != null && _maximum.compareTo(result) < 0) |
200 | 0 | throw new ValidatorException(buildDateTooLateMessage(field, format.format(_maximum)), |
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ValidationConstraint.TOO_LARGE); |
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|
203 | 0 | return result; |
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} |
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public Date getMaximum() |
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{ |
209 | 0 | return _maximum; |
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} |
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public void setMaximum(Date maximum) |
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{ |
214 | 0 | _maximum = maximum; |
215 | 0 | } |
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public Date getMinimum() |
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{ |
219 | 0 | return _minimum; |
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} |
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public void setMinimum(Date minimum) |
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{ |
224 | 0 | _minimum = minimum; |
225 | 0 | } |
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public void renderValidatorContribution(IFormComponent field, IMarkupWriter writer, |
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IRequestCycle cycle) |
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{ |
234 | 0 | if (!(isClientScriptingEnabled() && isRequired())) |
235 | 0 | return; |
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|
237 | 0 | Map symbols = new HashMap(); |
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|
239 | 0 | symbols.put("requiredMessage", buildRequiredMessage(field)); |
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241 | 0 | processValidatorScript(_scriptPath, cycle, field, symbols); |
242 | 0 | } |
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public String getScriptPath() |
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{ |
250 | 0 | return _scriptPath; |
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} |
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public void setScriptPath(String scriptPath) |
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{ |
264 | 0 | _scriptPath = scriptPath; |
265 | 0 | } |
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public String getDateTooEarlyMessage() |
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{ |
271 | 0 | return _dateTooEarlyMessage; |
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} |
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public String getDateTooLateMessage() |
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{ |
278 | 0 | return _dateTooLateMessage; |
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} |
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public String getInvalidDateFormatMessage() |
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{ |
285 | 0 | return _invalidDateFormatMessage; |
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} |
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protected String buildInvalidDateFormatMessage(IFormComponent field) |
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{ |
292 | 0 | String pattern = getPattern(_invalidDateFormatMessage, "invalid-date-format", field |
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.getPage().getLocale()); |
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|
295 | 0 | return formatString(pattern, field.getDisplayName(), getEffectiveDisplayFormat()); |
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} |
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protected String buildDateTooEarlyMessage(IFormComponent field, String earliestDate) |
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{ |
302 | 0 | String pattern = getPattern(_dateTooEarlyMessage, "date-too-early", field.getPage() |
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.getLocale()); |
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305 | 0 | return formatString(pattern, field.getDisplayName(), earliestDate); |
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} |
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protected String buildDateTooLateMessage(IFormComponent field, String latestDate) |
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{ |
312 | 0 | String pattern = getPattern(_dateTooLateMessage, "date-too-late", field.getPage() |
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.getLocale()); |
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315 | 0 | return formatString(pattern, field.getDisplayName(), latestDate); |
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} |
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public void setDateTooEarlyMessage(String string) |
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{ |
327 | 0 | _dateTooEarlyMessage = string; |
328 | 0 | } |
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public void setDateTooLateMessage(String string) |
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{ |
339 | 0 | _dateTooLateMessage = string; |
340 | 0 | } |
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public void setInvalidDateFormatMessage(String string) |
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{ |
351 | 0 | _invalidDateFormatMessage = string; |
352 | 0 | } |
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} |