runtime/org.argeo.slc.launcher/src/main/java/org/argeo/slc/ws/client/WebServiceUtils.java

   1 package org.argeo.slc.ws.client;
   2
   3 import java.util.Iterator;
   4
   5 import javax.xml.transform.Source;
   6 import javax.xml.transform.dom.DOMSource;
   7
   8 import org.apache.commons.logging.Log;
   9 import org.apache.commons.logging.LogFactory;
  10 import org.springframework.ws.client.core.WebServiceTemplate;
  11 import org.springframework.ws.soap.SoapFaultDetail;
  12 import org.springframework.ws.soap.SoapFaultDetailElement;
  13 import org.springframework.ws.soap.client.SoapFaultClientException;
  14 import org.springframework.xml.transform.StringResult;
  15 import org.w3c.dom.Node;
  16
  17 public abstract class WebServiceUtils {
  18         private final static Log log = LogFactory.getLog(WebServiceUtils.class);
  19
  20         public static Object marshalSendAndReceiveSafe(WebServiceTemplate template,
  21                         Object req) {
  22                 try {
  23                         Object resp = marshalSendAndReceive(template, req);
  24                         return resp;
  25                 } catch (Exception e) {
  26                         log.error("Cannot send web servicerequest: " + e.getMessage());
  27                         if (log.isDebugEnabled()) {
  28                                 log.debug("Webservice exception details: ", e);
  29                         }
  30                         return null;
  31                 }
  32         }
  33
  34         public static Object marshalSendAndReceive(WebServiceTemplate template,
  35                         Object req) {
  36                 if (log.isTraceEnabled()) {
  37                         try {
  38                                 StringResult result = new StringResult();
  39                                 template.getMarshaller().marshal(req, result);
  40                                 log.trace("About to send " + result);
  41                         } catch (Exception e) {
  42                                 log.error("Cannot marshall " + req + " for logging", e);
  43                         }
  44                 }
  45                 Object resp = template.marshalSendAndReceive(req);
  46                 return resp;
  47         }
  48
  49         public static void manageSoapException(SoapFaultClientException e) {
  50                 log
  51                                 .error("WS root cause: "
  52                                                 + e.getSoapFault().getFaultStringOrReason());
  53                 if (log.isTraceEnabled()) {
  54                         StringBuffer stack = new StringBuffer("");
  55                         SoapFaultDetail detail = e.getSoapFault().getFaultDetail();
  56                         if (detail != null) {
  57                                 Iterator<SoapFaultDetailElement> it = (Iterator<SoapFaultDetailElement>) detail
  58                                                 .getDetailEntries();
  59                                 while (it.hasNext()) {
  60                                         SoapFaultDetailElement elem = it.next();
  61                                         if (elem.getName().getLocalPart().equals("StackElement")) {
  62                                                 Source source = elem.getSource();
  63                                                 if (source instanceof DOMSource) {
  64                                                         Node node = ((DOMSource) source).getNode();
  65                                                         // stack.append(node.getTextContent()).append('\n');
  66                                                         stack
  67                                                                         .append(
  68                                                                                         node.getChildNodes().item(0)
  69                                                                                                         .getNodeValue()).append(
  70                                                                                         '\n');
  71                                                 }
  72                                         }
  73                                 }
  74
  75                                 if (stack.length() > 0)
  76                                         log.error("WS root cause stack: " + stack);
  77                         }
  78                 }
  79         }
  80
  81         private WebServiceUtils() {
  82
  83         }
  84 }