/*
* =============================================================================
*
* Copyright (c) 2011-2014, The THYMELEAF team (http://www.thymeleaf.org)
*
* 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 org.thymeleaf.spring3.processor.attr;
import java.util.Map;
import org.springframework.web.servlet.support.BindStatus;
import org.springframework.web.servlet.tags.form.SelectedValueComparatorWrapper;
import org.thymeleaf.Arguments;
import org.thymeleaf.dom.Element;
import org.thymeleaf.exceptions.TemplateProcessingException;
import org.thymeleaf.processor.ProcessorResult;
import org.thymeleaf.spring3.requestdata.RequestDataValueProcessorUtils;
/**
*
* @author Daniel Fernández
*
* @since 1.0
*
*/
public final class SpringInputRadioFieldAttrProcessor
extends AbstractSpringFieldAttrProcessor {
public static final String RADIO_INPUT_TYPE_ATTR_VALUE = "radio";
public SpringInputRadioFieldAttrProcessor() {
super(ATTR_NAME,
INPUT_TAG_NAME,
INPUT_TYPE_ATTR_NAME,
RADIO_INPUT_TYPE_ATTR_VALUE);
}
@Override
protected ProcessorResult doProcess(final Arguments arguments, final Element element,
final String attributeName, final String attributeValue, final BindStatus bindStatus,
final Map<String, Object> localVariables) {
String name = bindStatus.getExpression();
name = (name == null? "" : name);
final String id = computeId(arguments, element, name, true);
final String value = element.getAttributeValue("value");
if (value == null) {
throw new TemplateProcessingException(
"Attribute \"value\" is required in \"input(radio)\" tags");
}
final boolean checked =
SelectedValueComparatorWrapper.isSelected(bindStatus, value);
element.setAttribute("id", id);
element.setAttribute("name", name);
element.setAttribute(
"value",
RequestDataValueProcessorUtils.processFormFieldValue(
arguments.getConfiguration(), arguments, name, value, "radio"));
if (checked) {
element.setAttribute("checked", "checked");
} else {
element.removeAttribute("checked");
}
element.removeAttribute(attributeName);
return ProcessorResult.setLocalVariables(localVariables);
}
}