/**
* 版权声明：中图一购网络科技有限公司 版权所有 违者必究 2012
* 日 期：12-6-30
*/
package com.rop.client.unmarshaller;
import com.rop.RopException;
import com.rop.client.RopUnmarshaller;
import org.xml.sax.InputSource;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import java.io.StringReader;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* <pre>
* 功能说明：
* </pre>
*
* @author 陈雄华
* @version 1.0
*/
public class JaxbXmlRopUnmarshaller implements RopUnmarshaller {
private static Map<Class, JAXBContext> jaxbContextHashMap = new ConcurrentHashMap<Class, JAXBContext>();
@Override
public <T> T unmarshaller(String content, Class<T> objectType) {
try {
Unmarshaller unmarshaller = buildUnmarshaller(objectType);
StringReader reader = new StringReader(content);
new InputSource(reader);
return (T) unmarshaller.unmarshal(reader);
} catch (JAXBException e) {
throw new RopException(e);
}
}
private Unmarshaller buildUnmarshaller(Class<?> objectType) throws JAXBException {
if (!jaxbContextHashMap.containsKey(objectType)) {
JAXBContext context = JAXBContext.newInstance(objectType);
jaxbContextHashMap.put(objectType, context);
}
JAXBContext context = jaxbContextHashMap.get(objectType);
Unmarshaller unmarshaller = context.createUnmarshaller();
// unmarshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
// unmarshaller.setProperty(Marshaller.JAXB_ENCODING, "utf-8");
return unmarshaller;
}
}