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/*
* Oreka -- A media capture and retrieval platform
*
* Copyright (C) 2005, orecx LLC
*
* http://www.orecx.com
*
* This program is free software, distributed under the terms of
* the GNU General Public License.
* Please refer to http://www.gnu.org/copyleft/gpl.html
*
*/
package net.sf.oreka.serializers;
import javax.servlet.http.*;
import net.sf.oreka.OrkException;
import net.sf.oreka.OrkObject;
import net.sf.oreka.OrkObjectFactory;
public class ServletRequestSerializer extends OrkSerializer {
HttpServletRequest request = null;
final String classMarker = "cmd";
public OrkObject deSerialize(HttpServletRequest request) throws OrkException
{
this.request = request;
deserialize = true; // Set DeSerialize mode
// Instanciate the right object
String classMarker2 = (String)request.getParameterNames().nextElement();
String orkClass = null;
if(classMarker2 != null)
{
orkClass = request.getParameter(classMarker2);
}
if(orkClass == null) {
throw (new OrkException("ServletRequestSerializer.deSerialize: where is the command in:" + request.getQueryString()));
}
OrkObject obj = OrkObjectFactory.instance().newOrkObject(orkClass.toLowerCase());
obj.define(this);
obj.validate();
return obj;
}
@Override
public void addClassName(String value) {
; // not needed, this serializer is only a de-serializer
}
@Override
void addString(String key, String value) {
; // not needed, this serializer is only a de-serializer
}
@Override
String getString(String key, String oldValue, boolean required) throws OrkException {
String value = request.getParameter(key);
if(value == null) {
if (required) {
throw (new OrkException("ServletRequestSerializer.getString: parameter not found:" + key));
}
else {
value = oldValue;
}
}
return value;
}
@Override
public OrkObject objectValue(String key, OrkObject value, boolean required) throws OrkException {
throw (new OrkException("ServletRequestSerializer.objectValue: Nested objects not allowed"));
}
}
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