WebServiceUtils.java

   1 /*
   2  * Copyright (C) 2007-2012 Mathieu Baudier
   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.argeo.slc.ws.client;
  17
  18 import java.util.Iterator;
  19
  20 import javax.xml.transform.Source;
  21 import javax.xml.transform.dom.DOMSource;
  22
  23 import org.apache.commons.logging.Log;
  24 import org.apache.commons.logging.LogFactory;
  25 import org.springframework.ws.client.core.WebServiceTemplate;
  26 import org.springframework.ws.soap.SoapFaultDetail;
  27 import org.springframework.ws.soap.SoapFaultDetailElement;
  28 import org.springframework.ws.soap.client.SoapFaultClientException;
  29 import org.springframework.xml.transform.StringResult;
  30 import org.w3c.dom.Node;
  31
  32 public abstract class WebServiceUtils {
  33         private final static Log log = LogFactory.getLog(WebServiceUtils.class);
  34
  35         public static Object marshalSendAndReceiveSafe(WebServiceTemplate template,
  36                         Object req) {
  37                 try {
  38                         Object resp = marshalSendAndReceive(template, req);
  39                         return resp;
  40                 } catch (Exception e) {
  41                         log.error("Cannot send web servicerequest: " + e.getMessage());
  42                         if (log.isDebugEnabled()) {
  43                                 log.debug("Webservice exception details: ", e);
  44                         }
  45                         return null;
  46                 }
  47         }
  48
  49         public static Object marshalSendAndReceive(WebServiceTemplate template,
  50                         Object req) {
  51                 if (log.isTraceEnabled()) {
  52                         try {
  53                                 StringResult result = new StringResult();
  54                                 template.getMarshaller().marshal(req, result);
  55                                 log.trace("About to send " + result);
  56                         } catch (Exception e) {
  57                                 log.error("Cannot marshall " + req + " for logging", e);
  58                         }
  59                 }
  60                 Object resp = template.marshalSendAndReceive(req);
  61                 return resp;
  62         }
  63
  64         public static void manageSoapException(SoapFaultClientException e) {
  65                 log
  66                                 .error("WS root cause: "
  67                                                 + e.getSoapFault().getFaultStringOrReason());
  68                 if (log.isTraceEnabled()) {
  69                         StringBuffer stack = new StringBuffer("");
  70                         SoapFaultDetail detail = e.getSoapFault().getFaultDetail();
  71                         if (detail != null) {
  72                                 Iterator<SoapFaultDetailElement> it = (Iterator<SoapFaultDetailElement>) detail
  73                                                 .getDetailEntries();
  74                                 while (it.hasNext()) {
  75                                         SoapFaultDetailElement elem = it.next();
  76                                         if (elem.getName().getLocalPart().equals("StackElement")) {
  77                                                 Source source = elem.getSource();
  78                                                 if (source instanceof DOMSource) {
  79                                                         Node node = ((DOMSource) source).getNode();
  80                                                         // stack.append(node.getTextContent()).append('\n');
  81                                                         stack
  82                                                                         .append(
  83                                                                                         node.getChildNodes().item(0)
  84                                                                                                         .getNodeValue()).append(
  85                                                                                         '\n');
  86                                                 }
  87                                         }
  88                                 }
  89
  90                                 if (stack.length() > 0)
  91                                         log.error("WS root cause stack: " + stack);
  92                         }
  93                 }
  94         }
  95
  96         private WebServiceUtils() {
  97
  98         }
  99 }