org.springframework.webflow.config.ExecutionAttributesBeanDefinitionParser Maven / Gradle / Ivy
/*
* Copyright 2004-2007 the original author or authors.
*
* 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.springframework.webflow.config;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.config.MapFactoryBean;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.util.StringUtils;
import org.springframework.util.xml.DomUtils;
import org.springframework.webflow.engine.support.ApplicationViewSelector;
import org.w3c.dom.Element;
/**
* {@link BeanDefinitionParser} for the <execution-attributes> tag.
*
* @author Ben Hale
*/
class ExecutionAttributesBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
// elements and attributes
private static final String ATTRIBUTE_ELEMENT = "attribute";
private static final String NAME_ATTRIBUTE = "name";
private static final String TYPE_ATTRIBUTE = "type";
private static final String VALUE_ATTRIBUTE = "value";
// properties
private static final String SOURCE_MAP_PROPERTY = "sourceMap";
protected Class getBeanClass(Element element) {
return MapFactoryBean.class;
}
protected void doParse(Element element, BeanDefinitionBuilder definitionBuilder) {
List attributeElements = DomUtils.getChildElementsByTagName(element, ATTRIBUTE_ELEMENT);
Map attributeMap = new ManagedMap(attributeElements.size());
putAttributes(attributeMap, attributeElements);
putSpecialAttributes(attributeMap, element);
definitionBuilder.addPropertyValue(SOURCE_MAP_PROPERTY, attributeMap);
}
/**
* Add all attributes defined in given list of attribute elements to given map.
*/
private void putAttributes(Map attributeMap, List attributeElements) {
for (Iterator i = attributeElements.iterator(); i.hasNext();) {
Element attributeElement = (Element)i.next();
String type = attributeElement.getAttribute(TYPE_ATTRIBUTE);
Object value;
if (StringUtils.hasText(type)) {
value = new TypedStringValue(attributeElement.getAttribute(VALUE_ATTRIBUTE), type);
} else {
value = attributeElement.getAttribute(VALUE_ATTRIBUTE);
}
attributeMap.put(attributeElement.getAttribute(NAME_ATTRIBUTE), value);
}
}
/**
* Add all non-generic (special) attributes defined in given element
* to given map.
*/
private void putSpecialAttributes(Map attributeMap, Element element) {
putAlwaysRedirectOnPauseAttribute(attributeMap,
DomUtils.getChildElementByTagName(element, ApplicationViewSelector.ALWAYS_REDIRECT_ON_PAUSE_ATTRIBUTE));
}
/**
* Parse the "alwaysRedirectOnPause" attribute from given element and
* add it to given map.
*/
private void putAlwaysRedirectOnPauseAttribute(Map attributeMap, Element element) {
if (element != null) {
Boolean value = Boolean.valueOf(element.getAttribute(VALUE_ATTRIBUTE));
attributeMap.put(ApplicationViewSelector.ALWAYS_REDIRECT_ON_PAUSE_ATTRIBUTE, value);
}
}
}