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import java.io.IOException;
import java.io.InputStream;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.Unmarshaller;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.springframework.context.support.GenericApplicationContext;
import org.w3c.dom.Document;
public class ConfigReader {
public final <T>T read(Class<T> t, String filePath) throws ISException {
InputStream input;
try {
input = new GenericApplicationContext()
.getResource(filePath).getInputStream();
} catch (IOException e) {
throw new ISException(e);
}
return read(input, t);
}
public final <T>T read(InputStream inputStream, Class<T> t) throws ISException {
T root = null;
synchronized (this) {
try {
if (inputStream != null) {
final DocumentBuilderFactory dbf = DocumentBuilderFactory
.newInstance();
dbf.setNamespaceAware(true);
final JAXBContext context = JAXBContext.newInstance(t);
final Unmarshaller unmarshaller = context
.createUnmarshaller();
final DocumentBuilder documentBuilder = dbf
.newDocumentBuilder();
final Document doc = documentBuilder.parse(inputStream);
final JAXBElement<T> rootElement = unmarshaller.unmarshal(
doc, t);
root = rootElement.getValue();
}
} catch (Exception e) {
throw new ISException(e);
}
}
return root;
}
}
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