org.springframework.webflow.config.RegistryBeanDefinitionParser Maven / Gradle / Ivy
/*
* Copyright 2002-2006 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.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
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.builder.xml.XmlFlowRegistryFactoryBean;
import org.w3c.dom.Element;
/**
* {@link BeanDefinitionParser} for the <registry> tag.
*
* @author Ben Hale
*/
class RegistryBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
// elements and attributes
private static final String LOCATION_ELEMENT = "location";
// properties
private static final String FLOW_LOCATIONS_PROPERTY = "flowLocations";
private static final String PATH_ATTRIBUTE = "path";
protected Class getBeanClass(Element element) {
return XmlFlowRegistryFactoryBean.class;
}
protected void doParse(Element element, BeanDefinitionBuilder definitionBuilder) {
List locationElements = DomUtils.getChildElementsByTagName(element, LOCATION_ELEMENT);
List locations = getLocations(locationElements);
definitionBuilder.addPropertyValue(FLOW_LOCATIONS_PROPERTY, locations.toArray(new String[locations.size()]));
}
/**
* Parse location definitions from given list of location elements.
*/
private List getLocations(List locationElements) {
List locations = new ArrayList(locationElements.size());
for (Iterator i = locationElements.iterator(); i.hasNext();) {
Element locationElement = (Element)i.next();
String path = locationElement.getAttribute(PATH_ATTRIBUTE);
if (StringUtils.hasText(path)) {
locations.add(path);
}
}
return locations;
}
}