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package org.apache.tapestry.form.validator; |
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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.FormComponentContributorContext; |
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import org.apache.tapestry.form.IFormComponent; |
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import org.apache.tapestry.form.ValidationMessages; |
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import org.apache.tapestry.form.translator.NumberTranslator; |
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import org.apache.tapestry.json.JSONLiteral; |
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import org.apache.tapestry.json.JSONObject; |
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import org.apache.tapestry.valid.ValidationConstants; |
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import org.apache.tapestry.valid.ValidationConstraint; |
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import org.apache.tapestry.valid.ValidationStrings; |
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import org.apache.tapestry.valid.ValidatorException; |
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import java.text.DecimalFormat; |
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import java.text.DecimalFormatSymbols; |
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import java.util.Locale; |
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public class Min extends BaseValidator |
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{ |
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private double _min; |
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public Min() |
45 | 0 | { |
46 | 0 | } |
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public Min(String initializer) |
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{ |
50 | 0 | super(initializer); |
51 | 0 | } |
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public void validate(IFormComponent field, ValidationMessages messages, Object object) |
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throws ValidatorException |
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{ |
60 | 0 | Number value = (Number) object; |
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|
62 | 0 | if (_min > value.doubleValue()) |
63 | 0 | throw new ValidatorException(buildMessage(messages, field), ValidationConstraint.TOO_SMALL); |
64 | 0 | } |
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private String getStringValue(Locale locale, IFormComponent field) |
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{ |
68 | 0 | String ret = null; |
69 | 0 | NumberTranslator translator = (NumberTranslator)super.getFieldTranslator(field, NumberTranslator.class); |
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|
71 | 0 | if (translator != null) |
72 | 0 | ret = translator.format(field, locale, new Double(_min)); |
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else |
74 | 0 | ret = String.valueOf(_min); |
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|
76 | 0 | return ret; |
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} |
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private String buildMessage(ValidationMessages messages, IFormComponent field) |
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{ |
81 | 0 | return messages.formatValidationMessage( |
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getMessage(), |
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ValidationStrings.VALUE_TOO_SMALL, |
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new Object[] { |
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field.getDisplayName(), getStringValue(messages.getLocale(), field) |
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}); |
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} |
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public void renderContribution(IMarkupWriter writer, IRequestCycle cycle, |
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FormComponentContributorContext context, IFormComponent field) |
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{ |
92 | 0 | JSONObject profile = context.getProfile(); |
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|
94 | 0 | if (!profile.has(ValidationConstants.CONSTRAINTS)) { |
95 | 0 | profile.put(ValidationConstants.CONSTRAINTS, new JSONObject()); |
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} |
97 | 0 | JSONObject cons = profile.getJSONObject(ValidationConstants.CONSTRAINTS); |
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|
99 | 0 | String minString = getStringValue(context.getLocale(), field); |
100 | 0 | String grouping = ""; |
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|
102 | 0 | DecimalFormatSymbols symbols = null; |
103 | 0 | NumberTranslator translator = (NumberTranslator)super.getFieldTranslator(field, NumberTranslator.class); |
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|
105 | 0 | if (translator != null) { |
106 | 0 | DecimalFormat format = translator.getDecimalFormat(context.getLocale()); |
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|
108 | 0 | if (format.isGroupingUsed()) { |
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|
110 | 0 | grouping += ",separator:" + JSONObject.quote(format.getDecimalFormatSymbols().getGroupingSeparator()); |
111 | 0 | grouping += ",groupSize:" + format.getGroupingSize(); |
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} else { |
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|
114 | 0 | grouping += ",separator:\"\""; |
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} |
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|
117 | 0 | symbols = format.getDecimalFormatSymbols(); |
118 | 0 | } else { |
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|
120 | 0 | symbols = new DecimalFormatSymbols(context.getLocale()); |
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} |
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|
123 | 0 | accumulateProperty(cons, field.getClientId(), |
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new JSONLiteral("[tapestry.form.validation.greaterThanOrEqual," |
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+ JSONObject.quote(minString) |
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+ ",{" |
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+ "decimal:" + JSONObject.quote(symbols.getDecimalSeparator()) |
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+ grouping |
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+ "}]")); |
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|
131 | 0 | accumulateProfileProperty(field, profile, ValidationConstants.CONSTRAINTS, buildMessage(context, field)); |
132 | 0 | } |
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public void setMin(double min) |
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{ |
136 | 0 | _min = min; |
137 | 0 | } |
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public double getMin() |
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{ |
141 | 0 | return _min; |
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} |
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} |