/* Copyright c 2005-2012.
* Licensed under GNU LESSER General Public License, Version 3.
* http://www.gnu.org/licenses
*/
package org.beangle.spring.config;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.springframework.core.io.Resource;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
public class BeanDefinitionReader {
public List<ReconfigBeanDefinitionHolder> load(Resource resource) {
List<ReconfigBeanDefinitionHolder> holders = new ArrayList<ReconfigBeanDefinitionHolder>();
try {
InputStream inputStream = resource.getInputStream();
try {
InputSource inputSource = new InputSource(inputStream);
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = factory.newDocumentBuilder();
Document doc = docBuilder.parse(inputSource);
Element root = doc.getDocumentElement();
NodeList nl = root.getChildNodes();
BeanDefinitionParser parser = new BeanDefinitionParser();
for (int i = 0; i < nl.getLength(); i++) {
Node node = nl.item(i);
if (node instanceof Element) {
Element ele = (Element) node;
ReconfigBeanDefinitionHolder holder = parser.parseBeanDefinitionElement(ele);
holders.add(holder);
}
}
} finally {
if (null != inputStream) {
inputStream.close();
}
}
} catch (Exception ex) {
throw new RuntimeException("IOException parsing XML document from " + resource.getDescription(),
ex);
}
return holders;
}
}