public void registerCepPublisher(OMElement request) throws XMLStreamException {
    request.build();
    request.detach();

    OMElement tenantId =
        request.getFirstChildWithName(
            new QName(
                ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_TENANT_ID));
    OMElement executionPlan =
        request.getFirstChildWithName(
            new QName(
                ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_EXEC_PLAN));
    OMElement hostName =
        request.getFirstChildWithName(
            new QName(
                ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_HOST_NAME));
    OMElement port =
        request.getFirstChildWithName(
            new QName(ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_PORT));

    String key = getKey(executionPlan.getText(), tenantId.getText());
    int portNumber = Integer.parseInt(port.getText());
    insertToCollection(
        cepPublishers,
        key,
        new Endpoint(portNumber, hostName.getText(), Endpoint.ENDPOINT_TYPE_CEP_PUBLISHER));
    log.info(
        "Registering CEP Publisher for "
            + key
            + " at "
            + hostName.getText()
            + ":"
            + port.getText());
  }
Beispiel #2
0
  public void toSOAPEnvelope(SOAPEnvelope envelope) {
    SOAPBody body = envelope.getBody();

    // detach if already exist.
    OMElement elem =
        body.getFirstChildWithName(
            new QName(namespaceValue, Sandesha2Constants.WSRM_COMMON.CLOSE_SEQUENCE_RESPONSE));
    if (elem != null) elem.detach();

    toOMElement(body);
  }
  public OMElement getCEPPublisher(OMElement request) throws XMLStreamException {
    request.build();
    request.detach();

    OMElement tenantId =
        request.getFirstChildWithName(
            new QName(
                ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_TENANT_ID));
    OMElement executionPlan =
        request.getFirstChildWithName(
            new QName(
                ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_EXEC_PLAN));
    OMElement requesterIp =
        request.getFirstChildWithName(
            new QName(
                ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_REQUESTER_IP));
    String key = getKey(executionPlan.getText(), tenantId.getText());
    log.info("CEP Publisher requested for  " + key);

    Set<Endpoint> endpointSet = cepPublishers.get(key);
    Endpoint selectedEndpoint = selectEndpoint(endpointSet, requesterIp.getText());
    OMElement response =
        factory.createOMElement(
            ManagerServiceConstants.ELEMENT_CEP_PUBLISHER_RESPONSE, OMNamespace);
    if (selectedEndpoint != null) {
      OMElement hostNameElement =
          factory.createOMElement(ManagerServiceConstants.ELEMENT_HOST_NAME, OMNamespace);
      OMElement portElement =
          factory.createOMElement(ManagerServiceConstants.ELEMENT_PORT, OMNamespace);

      OMText hostNameText = factory.createOMText(hostNameElement, selectedEndpoint.getHostName());
      OMText portText =
          factory.createOMText(portElement, Integer.toString(selectedEndpoint.getPort()));

      hostNameElement.addChild(hostNameText);
      portElement.addChild(portText);
      response.addChild(hostNameElement);
      response.addChild(portElement);
      log.info(
          "Returning CEP Publisher:"
              + selectedEndpoint.getHostName()
              + ":"
              + selectedEndpoint.getPort());
    } else {
      log.warn("No CEP publishers registered " + key);
    }

    return response;
  }
Beispiel #4
0
 public OMParser(OMElement element) {
   _element = element;
   _element.build();
   if (_element.getParent() != null) _element.detach();
 }
  public boolean dispatch(MessageContext messageContext) {

    if (log.isDebugEnabled()) {
      log.debug(
          "Sending the message to client with message processor ["
              + messageProcessor.getName()
              + "]");
    }

    // The below code is just for keeping the backward compatibility with the old code.
    if (targetEndpoint == null) {
      targetEndpoint =
          (String) messageContext.getProperty(ForwardingProcessorConstants.TARGET_ENDPOINT);
    }

    MessageContext outCtx = null;
    SOAPEnvelope originalEnvelop = messageContext.getEnvelope();

    if (targetEndpoint != null) {
      Endpoint ep = messageContext.getEndpoint(targetEndpoint);

      try {

        // Send message to the client
        while (!isSuccessful && !isTerminated) {
          try {
            // For each retry we need to have a fresh copy of the actual message. otherwise retry
            // may not
            // work as expected.
            messageContext.setEnvelope(MessageHelper.cloneSOAPEnvelope(originalEnvelop));
            OMElement firstChild = null; //
            org.apache.axis2.context.MessageContext origAxis2Ctx =
                ((Axis2MessageContext) messageContext).getAxis2MessageContext();
            if (JsonUtil.hasAJsonPayload(origAxis2Ctx)) {
              firstChild = origAxis2Ctx.getEnvelope().getBody().getFirstElement();
            } // Had to do this because MessageHelper#cloneSOAPEnvelope does not clone
            // OMSourcedElemImpl correctly.
            if (JsonUtil.hasAJsonPayload(firstChild)) { //
              OMElement clonedFirstElement =
                  messageContext.getEnvelope().getBody().getFirstElement();
              if (clonedFirstElement != null) {
                clonedFirstElement.detach();
                messageContext.getEnvelope().getBody().addChild(firstChild);
              }
            } // Had to do this because MessageHelper#cloneSOAPEnvelope does not clone
            // OMSourcedElemImpl correctly.
            origAxis2Ctx.setProperty(
                HTTPConstants.NON_ERROR_HTTP_STATUS_CODES, getNonRetryStatusCodes());
            outCtx = sender.send(ep, messageContext);
            isSuccessful = true;

          } catch (Exception e) {

            // this means send has failed due to some reason so we have to retry it
            if (e instanceof SynapseException) {
              isSuccessful = isNonRetryErrorCode(e.getCause().getMessage());
            }
            if (!isSuccessful) {
              log.error(
                  "BlockingMessageSender of message processor ["
                      + this.messageProcessor.getName()
                      + "] failed to send message to the endpoint");
            }
          }

          if (isSuccessful) {
            if (outCtx != null) {
              if ("true"
                  .equals(outCtx.getProperty(ForwardingProcessorConstants.BLOCKING_SENDER_ERROR))) {

                // this means send has failed due to some reason so we have to retry it
                isSuccessful =
                    isNonRetryErrorCode(
                        (String) outCtx.getProperty(SynapseConstants.ERROR_MESSAGE));

                if (isSuccessful) {
                  sendThroughReplySeq(outCtx);
                } else {
                  // This means some error has occurred so must try to send down the fault sequence.
                  log.error(
                      "BlockingMessageSender of message processor ["
                          + this.messageProcessor.getName()
                          + "] failed to send message to the endpoint");
                  sendThroughFaultSeq(outCtx);
                }
              } else {
                // Send the message down the reply sequence if there is one
                sendThroughReplySeq(outCtx);
                messageConsumer.ack();
                attemptCount = 0;
                isSuccessful = true;

                if (log.isDebugEnabled()) {
                  log.debug(
                      "Successfully sent the message to endpoint ["
                          + ep.getName()
                          + "]"
                          + " with message processor ["
                          + messageProcessor.getName()
                          + "]");
                }
              }
            } else {
              // This Means we have invoked an out only operation
              // remove the message and reset the count
              messageConsumer.ack();
              attemptCount = 0;
              isSuccessful = true;

              if (log.isDebugEnabled()) {
                log.debug(
                    "Successfully sent the message to endpoint ["
                        + ep.getName()
                        + "]"
                        + " with message processor ["
                        + messageProcessor.getName()
                        + "]");
              }
            }
          }

          if (!isSuccessful) {
            // Then we have to retry sending the message to the client.
            prepareToRetry();
          } else {
            if (messageProcessor.isPaused()) {
              this.messageProcessor.resumeService();
              log.info(
                  "Resuming the service of message processor [" + messageProcessor.getName() + "]");
            }
          }
        }
      } catch (Exception e) {
        log.error(
            "Message processor ["
                + messageProcessor.getName()
                + "] failed to send the message to"
                + " client",
            e);
      }
    } else {
      // No Target Endpoint defined for the Message
      // So we do not have a place to deliver.
      // Here we log a warning and remove the message
      // todo: we can improve this by implementing a target inferring mechanism

      log.warn(
          "Property "
              + ForwardingProcessorConstants.TARGET_ENDPOINT
              + " not found in the message context , Hence removing the message ");

      messageConsumer.ack();
    }

    return true;
  }
Beispiel #6
0
  /**
   * Builds a SOAPEnvelope from DOM Document.
   *
   * @param doc - The dom document that contains a SOAP message
   * @param useDoom
   * @return
   * @throws WSSecurityException
   */
  public static SOAPEnvelope getSOAPEnvelopeFromDOMDocument(Document doc, boolean useDoom)
      throws WSSecurityException {

    if (useDoom) {
      try {
        // Get processed headers
        SOAPEnvelope env = (SOAPEnvelope) doc.getDocumentElement();
        ArrayList processedHeaderQNames = new ArrayList();
        SOAPHeader soapHeader = env.getHeader();

        if (soapHeader != null) {
          Iterator headerBlocs = soapHeader.getChildElements();
          while (headerBlocs.hasNext()) {

            OMElement element = (OMElement) headerBlocs.next();
            SOAPHeaderBlock header = null;

            if (element instanceof SOAPHeaderBlock) {
              header = (SOAPHeaderBlock) element;

              // If a header block is not an instance of SOAPHeaderBlock, it means that
              // it is a header we have added in rampart eg. EncryptedHeader and should
              // be converted to SOAPHeaderBlock for processing
            } else {
              header = soapHeader.addHeaderBlock(element.getLocalName(), element.getNamespace());
              Iterator attrIter = element.getAllAttributes();
              while (attrIter.hasNext()) {
                OMAttribute attr = (OMAttribute) attrIter.next();
                header.addAttribute(
                    attr.getLocalName(), attr.getAttributeValue(), attr.getNamespace());
              }
              Iterator nsIter = element.getAllDeclaredNamespaces();
              while (nsIter.hasNext()) {
                OMNamespace ns = (OMNamespace) nsIter.next();
                header.declareNamespace(ns);
              }
              // retrieve all child nodes (including any text nodes)
              // and re-attach to header block
              Iterator children = element.getChildren();
              while (children.hasNext()) {
                OMNode child = (OMNode) children.next();
                child.detach();
                header.addChild(child);
              }

              element.detach();

              soapHeader.build();

              header.setProcessed();
            }

            if (header.isProcessed()) {
              processedHeaderQNames.add(element.getQName());
            }
          }
        }
        XMLStreamReader reader = ((OMElement) doc.getDocumentElement()).getXMLStreamReader();
        StAXSOAPModelBuilder stAXSOAPModelBuilder = new StAXSOAPModelBuilder(reader, null);
        SOAPEnvelope envelope = stAXSOAPModelBuilder.getSOAPEnvelope();

        // Set the processed flag of the processed headers
        SOAPHeader header = envelope.getHeader();
        for (Iterator iter = processedHeaderQNames.iterator(); iter.hasNext(); ) {
          QName name = (QName) iter.next();
          Iterator omKids = header.getChildrenWithName(name);
          if (omKids.hasNext()) {
            ((SOAPHeaderBlock) omKids.next()).setProcessed();
          }
        }

        envelope.build();

        return envelope;

      } catch (FactoryConfigurationError e) {
        throw new WSSecurityException(e.getMessage());
      }
    } else {
      try {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        XMLUtils.outputDOM(doc.getDocumentElement(), os, true);
        ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray());

        StAXSOAPModelBuilder stAXSOAPModelBuilder =
            new StAXSOAPModelBuilder(
                XMLInputFactory.newInstance().createXMLStreamReader(bais), null);
        return stAXSOAPModelBuilder.getSOAPEnvelope();
      } catch (Exception e) {
        throw new WSSecurityException(e.getMessage());
      }
    }
  }
  public String addWadlToRegistry(
      RequestContext requestContext, Resource resource, String resourcePath, boolean skipValidation)
      throws RegistryException {
    String wadlName = RegistryUtils.getResourceName(resourcePath);
    String version =
        requestContext.getResource().getProperty(RegistryConstants.VERSION_PARAMETER_NAME);

    if (version == null) {
      version = CommonConstants.WADL_VERSION_DEFAULT_VALUE;
      requestContext.getResource().setProperty(RegistryConstants.VERSION_PARAMETER_NAME, version);
    }

    OMElement wadlElement;
    String wadlContent;
    Object resourceContent = resource.getContent();
    if (resourceContent instanceof String) {
      wadlContent = (String) resourceContent;
    } else {
      wadlContent = new String((byte[]) resourceContent);
    }

    try {
      XMLStreamReader reader =
          XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(wadlContent));
      StAXOMBuilder builder = new StAXOMBuilder(reader);
      wadlElement = builder.getDocumentElement();
    } catch (XMLStreamException e) {
      // This exception is unexpected because the WADL already validated
      String msg = "Unexpected error occured " + "while reading the WADL at " + resourcePath + ".";
      log.error(msg);
      throw new RegistryException(msg, e);
    }

    String wadlNamespace = wadlElement.getNamespace().getNamespaceURI();
    String namespaceSegment =
        CommonUtil.derivePathFragmentFromNamespace(wadlNamespace).replace("//", "/");
    String actualPath =
        getChrootedWadlLocation(requestContext.getRegistryContext())
            + namespaceSegment
            + version
            + "/"
            + wadlName;

    OMElement grammarsElement =
        wadlElement.getFirstChildWithName(new QName(wadlNamespace, "grammars"));

    if (StringUtils.isNotBlank(requestContext.getSourceURL())) {
      String uri = requestContext.getSourceURL();
      if (!skipValidation) {
        validateWADL(uri);
      }

      if (resource.getUUID() == null) {
        resource.setUUID(UUID.randomUUID().toString());
      }

      String wadlBaseUri = uri.substring(0, uri.lastIndexOf("/") + 1);
      if (grammarsElement != null) {
        // This is to avoid evaluating the grammars import when building AST
        grammarsElement.detach();
        wadlElement.addChild(resolveImports(grammarsElement, wadlBaseUri, version));
      }
    } else {
      if (!skipValidation) {
        File tempFile = null;
        BufferedWriter bufferedWriter = null;
        try {
          tempFile = File.createTempFile(wadlName, null);
          bufferedWriter = new BufferedWriter(new FileWriter(tempFile));
          bufferedWriter.write(wadlElement.toString());
          bufferedWriter.flush();
        } catch (IOException e) {
          String msg = "Error occurred while reading the WADL File";
          log.error(msg, e);
          throw new RegistryException(msg, e);
        } finally {
          if (bufferedWriter != null) {
            try {
              bufferedWriter.close();
            } catch (IOException e) {
              String msg = "Error occurred while closing File writer";
              log.warn(msg, e);
            }
          }
        }
        validateWADL(tempFile.toURI().toString());
        try {
          delete(tempFile);
        } catch (IOException e) {
          String msg =
              "An error occurred while deleting the temporary files from local file system.";
          log.warn(msg, e);
          throw new RegistryException(msg, e);
        }
      }

      if (grammarsElement != null) {
        grammarsElement = resolveImports(grammarsElement, null, version);
        wadlElement.addChild(grammarsElement);
      }
    }

    requestContext.setResourcePath(new ResourcePath(actualPath));
    if (resource.getProperty(CommonConstants.SOURCE_PROPERTY) == null) {
      resource.setProperty(CommonConstants.SOURCE_PROPERTY, CommonConstants.SOURCE_AUTO);
    }
    registry.put(actualPath, resource);
    addImportAssociations(actualPath);
    if (getCreateService()) {
      OMElement serviceElement =
          RESTServiceUtils.createRestServiceArtifact(
              wadlElement,
              wadlName,
              version,
              RegistryUtils.getRelativePath(requestContext.getRegistryContext(), actualPath));
      String servicePath = RESTServiceUtils.addServiceToRegistry(requestContext, serviceElement);
      registry.addAssociation(servicePath, actualPath, CommonConstants.DEPENDS);
      registry.addAssociation(actualPath, servicePath, CommonConstants.USED_BY);
      String endpointPath = createEndpointElement(requestContext, wadlElement, version);
      if (endpointPath != null) {
        registry.addAssociation(servicePath, endpointPath, CommonConstants.DEPENDS);
        registry.addAssociation(endpointPath, servicePath, CommonConstants.USED_BY);
      }
    }

    return resource.getPath();
  }
  public String importWADLToRegistry(
      RequestContext requestContext, String commonLocation, boolean skipValidation)
      throws RegistryException {

    ResourcePath resourcePath = requestContext.getResourcePath();
    String wadlName = RegistryUtils.getResourceName(resourcePath.getPath());
    String version =
        requestContext.getResource().getProperty(RegistryConstants.VERSION_PARAMETER_NAME);

    if (version == null) {
      version = CommonConstants.WADL_VERSION_DEFAULT_VALUE;
      requestContext.getResource().setProperty(RegistryConstants.VERSION_PARAMETER_NAME, version);
    }

    String uri = requestContext.getSourceURL();
    if (!skipValidation) {
      validateWADL(uri);
    }

    Registry registry = requestContext.getRegistry();
    Resource resource = registry.newResource();
    if (resource.getUUID() == null) {
      resource.setUUID(UUID.randomUUID().toString());
    }
    resource.setMediaType(wadlMediaType);
    resource.setProperties(requestContext.getResource().getProperties());

    ByteArrayOutputStream outputStream;
    OMElement wadlElement;
    try {
      InputStream inputStream = new URL(uri).openStream();

      outputStream = new ByteArrayOutputStream();
      int nextChar;
      while ((nextChar = inputStream.read()) != -1) {
        outputStream.write(nextChar);
      }
      outputStream.flush();
      wadlElement = AXIOMUtil.stringToOM(new String(outputStream.toByteArray()));
      // to validate XML
      wadlElement.toString();
    } catch (Exception e) {
      // This exception is unexpected because the WADL already validated
      throw new RegistryException(
          "Unexpected error occured " + "while reading the WADL at" + uri, e);
    }

    String wadlNamespace = wadlElement.getNamespace().getNamespaceURI();
    String namespaceSegment =
        CommonUtil.derivePathFragmentFromNamespace(wadlNamespace).replace("//", "/");

    OMElement grammarsElement =
        wadlElement.getFirstChildWithName(new QName(wadlNamespace, "grammars"));
    String wadlBaseUri = uri.substring(0, uri.lastIndexOf("/") + 1);
    if (grammarsElement != null) {
      grammarsElement.detach();
      wadlElement.addChild(resolveImports(grammarsElement, wadlBaseUri, version));
    }

    String actualPath;
    if (commonLocation != null) {
      actualPath = commonLocation + namespaceSegment + version + "/" + wadlName;
    } else {
      actualPath =
          RegistryConstants.GOVERNANCE_REGISTRY_BASE_PATH
              + commonWADLLocation
              + namespaceSegment
              + version
              + "/"
              + wadlName;
    }
    if (resource.getProperty(CommonConstants.SOURCE_PROPERTY) == null) {
      resource.setProperty(CommonConstants.SOURCE_PROPERTY, CommonConstants.SOURCE_AUTO);
    }

    resource.setContent(wadlElement.toString());
    requestContext.setResourcePath(new ResourcePath(actualPath));
    registry.put(actualPath, resource);
    addImportAssociations(actualPath);
    if (createService) {
      OMElement serviceElement =
          RESTServiceUtils.createRestServiceArtifact(
              wadlElement,
              wadlName,
              version,
              RegistryUtils.getRelativePath(requestContext.getRegistryContext(), actualPath));
      String servicePath = RESTServiceUtils.addServiceToRegistry(requestContext, serviceElement);
      addDependency(servicePath, actualPath);
      String endpointPath = createEndpointElement(requestContext, wadlElement, version);
      if (endpointPath != null) {
        addDependency(servicePath, endpointPath);
      }
    }

    return actualPath;
  }
  public static Entry createEntry(OMElement elem, Properties properties) {
    String customFactory = SynapsePropertiesLoader.getPropertyValue("synapse.entry.factory", "");
    if (customFactory != null && !"".equals(customFactory)) {
      try {
        Class c = Class.forName(customFactory);
        Object o = c.newInstance();
        if (o instanceof IEntryFactory) {
          return ((IEntryFactory) o).createEntry(elem);
        }
      } catch (ClassNotFoundException e) {
        handleException(
            "Class specified by the synapse.entry.factory "
                + "synapse property not found: "
                + customFactory,
            e);
      } catch (InstantiationException e) {
        handleException(
            "Class specified by the synapse.entry.factory "
                + "synapse property cannot be instantiated: "
                + customFactory,
            e);
      } catch (IllegalAccessException e) {
        handleException(
            "Class specified by the synapse.entry.factory "
                + "synapse property cannot be accessed: "
                + customFactory,
            e);
      }
    }

    OMAttribute key = elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "key"));
    if (key == null) {
      handleException("The 'key' attribute is required for a local registry entry");
      return null;

    } else {

      Entry entry = new Entry(key.getAttributeValue());

      OMElement descriptionElem = elem.getFirstChildWithName(DESCRIPTION_Q);
      if (descriptionElem != null) {
        entry.setDescription(descriptionElem.getText());
        descriptionElem.detach();
      }

      String src = elem.getAttributeValue(new QName(XMLConfigConstants.NULL_NAMESPACE, "src"));

      // if a src attribute is present, this is a URL source resource,
      // it would now be loaded from the URL source, as all static properties
      // are initialized at startup
      if (src != null) {
        try {
          entry.setSrc(new URL(src.trim()));
          entry.setType(Entry.URL_SRC);
          entry.setValue(SynapseConfigUtils.getObject(entry.getSrc(), properties));
        } catch (MalformedURLException e) {
          handleException("The entry with key : " + key + " refers to an invalid URL");
        }

      } else {
        OMNode nodeValue = elem.getFirstOMChild();
        OMElement elemValue = elem.getFirstElement();

        if (elemValue != null) {
          entry.setType(Entry.INLINE_XML);
          entry.setValue(elemValue);
        } else if (nodeValue != null && nodeValue instanceof OMText) {
          entry.setType(Entry.INLINE_TEXT);
          entry.setValue(elem.getText().trim());
        }
      }

      return entry;
    }
  }