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 /*
  * #%L
  * =====================================================
  *   _____                _     ____  _   _       _   _
  *  |_   _|_ __ _   _ ___| |_  / __ \| | | | ___ | | | |
  *    | | | '__| | | / __| __|/ / _` | |_| |/ __|| |_| |
  *    | | | |  | |_| \__ \ |_| | (_| |  _  |\__ \|  _  |
  *    |_| |_|   \__,_|___/\__|\ \__,_|_| |_||___/|_| |_|
  *                             \____/
 * 
 * =====================================================
 * 
 * Hochschule Hannover
 * (University of Applied Sciences and Arts, Hannover)
 * Faculty IV, Dept. of Computer Science
 * Ricklinger Stadtweg 118, 30459 Hannover, Germany
 * 
 * Email: trust@f4-i.fh-hannover.de
 * Website: http://trust.f4.hs-hannover.de
 * 
 * This file is part of ifmapj, version 1.0.0, implemented by the Trust@HsH
 * research group at the Hochschule Hannover.
 * %%
 * Copyright (C) 2010 - 2013 Trust@HsH
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package de.hshannover.f4.trust.ifmapj.messages;
Provides functionality to generically handle Request instances and response parsing.

Author(s):
aw
Since:
0.1.4
public interface RequestHandler<T extends Request> {

Marshals a given Request instance to XML form and returns the Element to be attached to the soap:Body element.

Parameters:
req the Request instance to be marshalled.
doc a Document instance to be used to create new Element instances.
Returns:
an Element instance to be attached to the soap:Body.
Throws:
MarshalException
Unmarshals a given response in XML form to a Result instance. The given org.w3c.dom.Element instance is the ifmap:response element. It might have an errorResult element attached. An implementation has to check for this condition and throw an appropriate de.hshannover.f4.trust.ifmapj.exception.IfmapErrorResult.

Parameters:
response the org.w3c.dom.Element under <ifmap:response>
Returns:
an appropriate Result implementation or null if there is no real result, but everything was good.
Throws:
de.hshannover.f4.trust.ifmapj.exception.UnmarshalException
de.hshannover.f4.trust.ifmapj.exception.IfmapErrorResult if an errorResult was found
See also:
Requests.Helpers.getResponseContentErrorCheck(org.w3c.dom.Element).

Returns:
the java.lang.Class object associated with the Request instance this RequestHandler is able to cope with.
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