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package org.apache.tapestry.form; |
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import java.util.Iterator; |
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import org.apache.hivemind.service.ThreadLocale; |
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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.coerce.ValueConverter; |
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import org.apache.tapestry.form.validator.Validator; |
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import org.apache.tapestry.valid.ValidatorException; |
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33 | 0 | public class ValidatableFieldSupportImpl implements ValidatableFieldSupport |
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{ |
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private ValueConverter _converter; |
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private ThreadLocale _threadLocale; |
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public void setValueConverter(ValueConverter converter) |
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{ |
41 | 0 | _converter = converter; |
42 | 0 | } |
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public void setThreadLocale(ThreadLocale threadLocale) |
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{ |
46 | 0 | _threadLocale = threadLocale; |
47 | 0 | } |
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protected Iterator getValidatorsIterator(ValidatableField component) |
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{ |
51 | 0 | return (Iterator) _converter.coerceValue(component.getValidators(), Iterator.class); |
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} |
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public void renderContributions(ValidatableField component, IMarkupWriter writer, |
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IRequestCycle cycle) |
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{ |
60 | 0 | ValidatableFieldExtension extension = null; |
61 | 0 | if (ValidatableFieldExtension.class.isInstance(component)) |
62 | 0 | extension = (ValidatableFieldExtension)component; |
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64 | 0 | if (component.getForm().isClientValidationEnabled()) |
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{ |
66 | 0 | FormComponentContributorContext context = new FormComponentContributorContextImpl( |
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_threadLocale.getLocale(), cycle, component); |
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69 | 0 | Iterator validators = getValidatorsIterator(component); |
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71 | 0 | while (validators.hasNext()) |
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{ |
73 | 0 | Validator validator = (Validator) validators.next(); |
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75 | 0 | if (extension != null && extension.overrideValidator(validator, cycle)) |
76 | 0 | extension.overrideContributions(validator, context, writer, cycle); |
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else |
78 | 0 | validator.renderContribution(writer, cycle, context, component); |
79 | 0 | } |
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} |
81 | 0 | } |
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public void validate(ValidatableField component, IMarkupWriter writer, IRequestCycle cycle, Object object) throws ValidatorException |
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{ |
88 | 0 | boolean isNonNull = (object != null); |
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90 | 0 | Iterator validators = getValidatorsIterator(component); |
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92 | 0 | ValidationMessages messages = new ValidationMessagesImpl(component, _threadLocale.getLocale()); |
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94 | 0 | while (validators.hasNext()) |
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{ |
96 | 0 | Validator validator = (Validator) validators.next(); |
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98 | 0 | if (isNonNull || validator.getAcceptsNull()) |
99 | 0 | validator.validate(component, messages, object); |
100 | 0 | } |
101 | 0 | } |
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public boolean isRequired(ValidatableField field) |
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{ |
105 | 0 | Iterator i = getValidatorsIterator(field); |
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107 | 0 | while (i.hasNext()) |
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{ |
109 | 0 | Validator validator = (Validator) i.next(); |
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111 | 0 | if (validator.isRequired()) |
112 | 0 | return true; |
113 | 0 | } |
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115 | 0 | return false; |
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} |
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} |