package er.rest.format;
import java.io.InputStream;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang.CharEncoding;
import er.extensions.foundation.ERXPropertyListSerialization;
import er.rest.ERXRestContext;
import er.rest.ERXRestRequestNode;
import er.rest.ERXRestUtils;
/**
* ERXPListRestRequestParser is an implementation of the IERXRestRequestParser interface that supports plist document
* requests.
*
* @author mschrag
*/
public class ERXBinaryPListRestParser implements IERXRestParser {
protected ERXRestRequestNode createRequestNodeForObject(String name, Object object, boolean rootNode, ERXRestFormat.Delegate delegate) {
ERXRestRequestNode requestNode = new ERXRestRequestNode(name, rootNode);
if (object == null) {
// just leave the value null
}
else if (object instanceof List) {
requestNode.setArray(true);
List list = (List) object;
for (Object obj : list) {
if (ERXRestUtils.isPrimitive(obj)) {
ERXRestRequestNode primitiveChild = new ERXRestRequestNode(null, object, false);
requestNode.addChild(primitiveChild);
delegate.nodeDidParse(primitiveChild);
}
else {
requestNode.addChild(createRequestNodeForObject(null, obj, true, delegate));
}
}
}
else if (object instanceof Map) {
Map map = (Map) object;
for (Object key : map.keySet()) {
String strKey = (String) key;
Object value = map.get(key);
if (ERXRestUtils.isPrimitive(value)) {
ERXRestRequestNode primitiveChild = new ERXRestRequestNode(strKey, value, false);
requestNode.addChild(primitiveChild);
delegate.nodeDidParse(primitiveChild);
}
else {
requestNode.addChild(createRequestNodeForObject(strKey, value, false, delegate));
}
}
}
else {
throw new IllegalArgumentException("Unknown Binary PLIST value '" + object + "'.");
}
delegate.nodeDidParse(requestNode);
return requestNode;
}
public ERXRestRequestNode parseRestRequest(IERXRestRequest request, ERXRestFormat.Delegate delegate, ERXRestContext context) {
ERXRestRequestNode rootRequestNode = null;
if (request != null) {
InputStream in = request.streamContent();
Object rootObj = ERXPropertyListSerialization.propertyListWithStream(in, ERXPropertyListSerialization.PListFormat.NSPropertyListBinaryFormat_v1_0, CharEncoding.UTF_8);
rootRequestNode = createRequestNodeForObject(null, rootObj, true, delegate);
}
else {
rootRequestNode = new ERXRestRequestNode(null, true);
rootRequestNode.setNull(true);
}
return rootRequestNode;
}
}