package de.timroes.axmlrpc.serializer;
import de.timroes.axmlrpc.XMLRPCException;
import de.timroes.axmlrpc.XMLRPCRuntimeException;
import de.timroes.axmlrpc.XMLUtil;
import de.timroes.axmlrpc.xmlcreator.XmlElement;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
*
* @author Tim Roes
*/
public class ArraySerializer implements Serializer {
private static final String ARRAY_DATA = "data";
private static final String ARRAY_VALUE = "value";
public Object deserialize(Element content) throws XMLRPCException {
List<Object> list = new ArrayList<Object>();
Element data = XMLUtil.getOnlyChildElement(content.getChildNodes());
if(!ARRAY_DATA.equals(data.getNodeName())) {
throw new XMLRPCException("The array must contain one data tag.");
}
// Deserialize every array element
Node value;
for(int i = 0; i < data.getChildNodes().getLength(); i++) {
value = data.getChildNodes().item(i);
// Strip only whitespace text elements and comments
if(value == null || (value.getNodeType() == Node.TEXT_NODE
&& value.getNodeValue().trim().length() <= 0)
|| value.getNodeType() == Node.COMMENT_NODE)
continue;
if(value.getNodeType() != Node.ELEMENT_NODE) {
throw new XMLRPCException("Wrong element inside of array.");
}
list.add(SerializerHandler.getDefault().deserialize((Element)value));
}
return list.toArray();
}
public XmlElement serialize(Object object) {
Iterable<?> iter;
if ( object instanceof Iterable<?>){
iter = (Iterable<?>)object;
} else {
iter = Arrays.asList((Object[]) object);
}
XmlElement array = new XmlElement(SerializerHandler.TYPE_ARRAY);
XmlElement data = new XmlElement(ARRAY_DATA);
array.addChildren(data);
try {
XmlElement e;
for(Object obj : iter) {
e = new XmlElement(ARRAY_VALUE);
e.addChildren(SerializerHandler.getDefault().serialize(obj));
data.addChildren(e);
}
} catch(XMLRPCException ex) {
throw new XMLRPCRuntimeException(ex);
}
return array;
}
}