1 /*
2 * Copyright 2011 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.openehealth.ipf.platform.camel.ihe.hl7v2ws;
17
18 import org.apache.cxf.message.Exchange;
19 import org.openehealth.ipf.commons.ihe.ws.cxf.AbstractWsRejectionHandlingStrategy;
20 import org.openehealth.ipf.commons.ihe.ws.utils.SoapUtils;
21
22 /**
23 * Rejection handling strategy base for HL7v2-based WS transactions.
24 * @author Dmytro Rud
25 */
26 abstract public class AbstractHl7v2WsRejectionHandlingStrategy extends AbstractWsRejectionHandlingStrategy {
27
28 /**
29 * Specific rejection determination logic tor HL7v2-based WS transactions.
30 * @param cxfExchange
31 * CXF exchange under consideration.
32 * @return
33 * <code>true</code> when the exchange contains an outbound
34 * SOAP Fault or an HL7v2 NAK with code 'AR' or 'CR'.
35 */
36 @Override
37 public boolean isRejected(Exchange cxfExchange) {
38 // exchange contains SOAP fault
39 if(super.isRejected(cxfExchange)) {
40 return true;
41 }
42
43 // exchange does not contain a valid HL7v2 message at all
44 // or does contain an HL7v2 NAK with code 'AR' or 'CR'
45 String response = SoapUtils.extractOutgoingPayload(cxfExchange);
46 try {
47 int pos = response.indexOf("\r\nMSA");
48 return ((pos < 0) || (response.charAt(pos + 7) == 'R'));
49 } catch (Exception e) {
50 return true;
51 }
52 }
53 }