/*
* Copyright 2009 Andrew Pietsch
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
package com.dragome.forms.bindings.client.form.validation;
import java.util.List;
import com.dragome.forms.bindings.client.form.FormattedFieldBase;
import com.dragome.forms.bindings.client.form.validation.message.ErrorMessage;
import com.dragome.forms.bindings.client.format.Format;
import com.dragome.forms.bindings.client.format.FormatException;
import com.dragome.model.interfaces.IndexedValidationResultCollector;
import com.dragome.model.interfaces.Message;
import com.dragome.services.interfaces.ValidationResultCollector;
/**
* Created by IntelliJ IDEA.
* User: andrew
* Date: Nov 21, 2009
* Time: 10:37:20 AM
* To change this template use File | Settings | File Templates.
*/
public class FieldFormatValidator<T> implements Validator<String>, ListValidator<String>
{
private FormattedFieldBase<T> model;
public FieldFormatValidator(FormattedFieldBase<T> model)
{
this.model= model;
}
public void validate(String value, ValidationResultCollector results)
{
doParse(value, model.getFormat(), results);
}
public void validate(List<? extends String> values, IndexedValidationResultCollector results)
{
Format<T> format= model.getFormat();
for (int i= 0; i < values.size(); i++)
{
String value= values.get(i);
doParse(value, format, results.getIndexedCollector(i));
}
}
private void doParse(String value, Format<T> format, ValidationResultCollector results)
{
try
{
format.parse(value);
}
catch (FormatException e)
{
if (e instanceof Message)
{
Message m= (Message) e;
results.add(new ErrorMessage(m.getMessage(), m.getAdditionalInfo()));
}
else
{
results.add(new ErrorMessage(e.getMessage()));
}
}
}
}