/*
* Created on Mar 28, 2006
*
* 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.
*
* Copyright @2006 the original author or authors.
*/
package org.springmodules.cache.config.jcs;
import java.util.List;
import org.w3c.dom.Element;
import org.springframework.util.CollectionUtils;
import org.springframework.util.xml.DomUtils;
import org.springmodules.cache.CachingModel;
import org.springmodules.cache.FlushingModel;
import org.springmodules.cache.config.AbstractCacheModelParser;
import org.springmodules.cache.config.CacheModelParser;
import org.springmodules.cache.provider.jcs.JcsCachingModel;
import org.springmodules.cache.provider.jcs.JcsFlushingModel;
import org.springmodules.cache.provider.jcs.JcsFlushingModel.CacheStruct;
/**
* <p>
* Creates instances of <code>{@link JcsCachingModel}</code> and
* <code>{@link JcsFlushingModel}</code> from a given XML element.
* </p>
*
* @author Alex Ruiz
*/
public final class JcsModelParser extends AbstractCacheModelParser {
/**
* Creates a <code>{@link JcsCachingModel}</code> from the given XML
* element.
*
* @param element
* the XML element to parse
* @return the created caching model
*
* @see CacheModelParser#parseCachingModel(Element)
*/
public CachingModel parseCachingModel(Element element) {
String cacheName = element.getAttribute("cacheName");
String group = element.getAttribute("group");
JcsCachingModel model = new JcsCachingModel(cacheName, group);
return model;
}
/**
* Creates a <code>{@link JcsFlushingModel}</code> from the given XML
* element.
*
* @param element
* the XML element to parse
* @param flushBeforeMethodExecution
* indicates if the cache should be flushed before or after the
* execution of the intercepted method
* @return the created flushing model
*
* @see AbstractCacheModelParser#doParseFlushingModel(Element, boolean)
*/
protected FlushingModel doParseFlushingModel(Element element,
boolean flushBeforeMethodExecution) {
JcsFlushingModel model = new JcsFlushingModel();
List cacheElements = DomUtils.getChildElementsByTagName(element, "cache");
if (!CollectionUtils.isEmpty(cacheElements)) {
int count = cacheElements.size();
CacheStruct[] cacheStructs = new CacheStruct[count];
for (int i = 0; i < count; i++) {
Element cacheElement = (Element) cacheElements.get(i);
String cacheName = cacheElement.getAttribute("name");
String groups = cacheElement.getAttribute("groups");
CacheStruct cache = new CacheStruct(cacheName, groups);
cacheStructs[i] = cache;
}
model.setCacheStructs(cacheStructs);
}
model.setFlushBeforeMethodExecution(flushBeforeMethodExecution);
return model;
}
}