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package org.apache.tapestry.form; |
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import java.text.MessageFormat; |
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import java.util.Locale; |
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import org.apache.hivemind.util.Defense; |
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import org.apache.tapestry.valid.ValidationStrings; |
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public class ValidationMessagesImpl implements ValidationMessages |
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{ |
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private final IFormComponent _field; |
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private final Locale _locale; |
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public ValidationMessagesImpl(IFormComponent field, Locale locale) |
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{ |
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Defense.notNull(field, "field"); |
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Defense.notNull(locale, "locale"); |
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_field = field; |
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_locale = locale; |
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} |
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public String formatValidationMessage(String messageOverride, String messageKey, |
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Object[] arguments) |
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{ |
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String message = extractLocalizedMessage(messageOverride, messageKey); |
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return MessageFormat.format(message, arguments); |
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} |
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private String extractLocalizedMessage(String messageOverride, String messageKey) |
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{ |
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if (messageOverride == null) |
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return ValidationStrings.getMessagePattern(messageKey, _locale); |
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if (messageOverride.startsWith("%")) |
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{ |
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String key = messageOverride.substring(1); |
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return _field.getContainer().getMessages().getMessage(key); |
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} |
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return messageOverride; |
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} |
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public Locale getLocale() |
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{ |
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return _locale; |
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} |
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} |