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package org.seasar.cubby.validator.validators; |
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import java.text.DateFormat; |
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import java.text.ParsePosition; |
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import java.text.SimpleDateFormat; |
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import java.util.Date; |
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import org.seasar.cubby.action.FormatPattern; |
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import org.seasar.cubby.controller.CubbyConfiguration; |
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import org.seasar.cubby.controller.ThreadContext; |
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import org.seasar.cubby.validator.MessageHelper; |
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import org.seasar.cubby.validator.ScalarFieldValidator; |
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import org.seasar.cubby.validator.ValidationContext; |
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import org.seasar.framework.exception.SRuntimeException; |
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import org.seasar.framework.util.StringUtil; |
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public class DateFormatValidator implements ScalarFieldValidator { |
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private final MessageHelper messageHelper; |
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private final String pattern; |
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public DateFormatValidator() { |
62 | 0 | this(null); |
63 | 0 | } |
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public DateFormatValidator(final String pattern) { |
72 | 1 | this(pattern, "valid.dateFormat"); |
73 | 1 | } |
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83 | 1 | public DateFormatValidator(final String pattern, final String messageKey) { |
84 | 1 | this.pattern = pattern; |
85 | 1 | this.messageHelper = new MessageHelper(messageKey); |
86 | 1 | } |
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public void validate(final ValidationContext context, final Object value) { |
92 | 4 | if (value == null) { |
93 | 0 | return; |
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} |
95 | 4 | if (value instanceof String) { |
96 | 4 | final String stringValue = (String) value; |
97 | 4 | if (StringUtil.isEmpty((String) value)) { |
98 | 0 | return; |
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} |
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try { |
101 | 4 | final DateFormat dateFormat = createDateFormat(context, value); |
102 | 4 | final ParsePosition parsePosition = new ParsePosition(0); |
103 | 4 | final Date date = dateFormat.parse(stringValue, parsePosition); |
104 | 4 | if (date != null |
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&& parsePosition.getIndex() == stringValue.length()) { |
106 | 1 | return; |
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} |
108 | 0 | } catch (final Exception e) { |
109 | 3 | } |
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} |
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112 | 3 | context.addMessageInfo(this.messageHelper.createMessageInfo()); |
113 | 3 | } |
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private DateFormat createDateFormat(final ValidationContext context, |
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final Object value) { |
117 | 4 | final SimpleDateFormat dateFormat = new SimpleDateFormat(); |
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final String pattern; |
119 | 4 | if (StringUtil.isEmpty(this.pattern)) { |
120 | 0 | final CubbyConfiguration configuration = ThreadContext |
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.getConfiguration(); |
122 | 0 | final FormatPattern formatPattern = configuration |
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.getFormatPattern(); |
124 | 0 | if (formatPattern == null) { |
125 | 0 | throw new SRuntimeException("ECUB0301", new Object[] { this, |
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value }); |
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} |
128 | 0 | pattern = formatPattern.getDatePattern(); |
129 | 0 | } else { |
130 | 4 | pattern = this.pattern; |
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} |
132 | 4 | dateFormat.applyPattern(pattern); |
133 | 4 | dateFormat.setLenient(false); |
134 | 4 | return dateFormat; |
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} |
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} |