Examples with UnresolvableException org.jaxen.UnresolvableException used on opensource projects

Example 1 with UnresolvableException

use of org.jaxen.UnresolvableException in project wso2-synapse by wso2.

the class SynapseXPath method stringValueOf.

/**
 * <P>Evaluates the XPath expression against the MessageContext of the current message and
 * returns a String representation of the result</p>
 *
 * @param synCtx the source message which holds the MessageContext against full context
 * @return a String representation of the result of evaluation
 */
public String stringValueOf(MessageContext synCtx) {
    try {
        if (forceFailoverEvaluation) {
            if (log.isDebugEnabled()) {
                log.debug("Forced evaluation of the expression with the DOM parser by bypassing the Jaxen: " + getExpression());
            }
            throw new UnresolvableException("Forced to evaluate with DOM parser bypassing Jaxen");
        }
        InputStream inputStream = null;
        Object result = null;
        org.apache.axis2.context.MessageContext axis2MC = null;
        if (!forceDisableStreamXpath && "true".equals(enableStreamingXpath) && streamingXPATH != null && (((Axis2MessageContext) synCtx).getEnvelope() == null || ((Axis2MessageContext) synCtx).getEnvelope().getBody().getFirstElement() == null)) {
            try {
                axis2MC = ((Axis2MessageContext) synCtx).getAxis2MessageContext();
                String contentType = (String) axis2MC.getProperty(SynapseConstants.AXIS2_PROPERTY_CONTENT_TYPE);
                if (!isStreamingXpathSupportedContentType(contentType) && !Boolean.TRUE.equals(PassThroughConstants.MESSAGE_BUILDER_INVOKED)) {
                    RelayUtils.buildMessage(axis2MC);
                } else {
                    inputStream = getMessageInputStreamPT(axis2MC);
                }
            } catch (XMLStreamException e) {
                handleException("Error occurred while building the message from the message context", e);
            } catch (IOException e) {
                log.error("Error occurred while obtaining input stream from the message context", e);
            }
            if (inputStream != null) {
                try {
                    result = streamingXPATH.getStringValue(inputStream);
                } catch (XMLStreamException e) {
                    handleException("Error occurred while parsing the XPATH String", e);
                } catch (StreamingXPATHException e) {
                    handleException("Error occurred while parsing the XPATH String", e);
                }
            } else {
                try {
                    result = streamingXPATH.getStringValue(synCtx.getEnvelope());
                } catch (XMLStreamException e) {
                    handleException("Error occurred while parsing the XPATH String", e);
                } catch (StreamingXPATHException e) {
                    handleException("Error occurred while parsing the XPATH String", e);
                }
            }
        } else {
            result = evaluate(synCtx);
        }
        if (result == null) {
            return null;
        }
        StringBuffer textValue = new StringBuffer();
        if (result instanceof List) {
            List list = (List) result;
            for (Object o : list) {
                if (o == null && list.size() == 1) {
                    return null;
                }
                if (o instanceof OMTextImpl) {
                    textValue.append(((OMTextImpl) o).getText());
                } else if (o instanceof OMElementImpl) {
                    String s = ((OMElementImpl) o).getText();
                    // We use StringUtils.trim as String.trim does not remove U+00A0 (int 160) (No-break space)
                    if (s.replace(String.valueOf((char) 160), " ").trim().length() == 0) {
                        s = o.toString();
                    }
                    textValue.append(s);
                } else if (o instanceof OMDocumentImpl) {
                    textValue.append(((OMDocumentImpl) o).getOMDocumentElement().toString());
                } else if (o instanceof OMAttribute) {
                    textValue.append(((OMAttribute) o).getAttributeValue());
                } else if (o instanceof SynapseXPath) {
                    textValue.append(((SynapseXPath) o).stringValueOf(synCtx));
                }
            }
        } else if ("true".equals(enableStreamingXpath) && streamingXPATH != null) {
            if (!"".equals((String) result)) {
                OMElement re = AXIOMUtil.stringToOM((String) result);
                if (re != null) {
                    textValue.append(re.getText());
                } else {
                    textValue.append(result.toString());
                }
            }
        } else {
            textValue.append(result.toString());
        }
        return textValue.toString();
    } catch (UnresolvableException ex) {
        // xpath processing in DOM fashion which can support XPATH2.0 with supported XAPTH engine like SAXON
        if ("true".equals(domXpathConfig)) {
            if (log.isDebugEnabled()) {
                log.debug("AXIOM xpath evaluation failed with UnresolvableException, " + "trying to perform DOM based XPATH", ex);
            }
            try {
                return evaluateDOMXPath(synCtx);
            } catch (Exception e) {
                handleException("Evaluation of the XPath expression " + this.toString() + " resulted in an error", e);
            }
        } else {
            handleException("Evaluation of the XPath expression " + this.toString() + " resulted in an error", ex);
        }
    } catch (JaxenException je) {
        handleException("Evaluation of the XPath expression " + this.toString() + " resulted in an error", je);
    } catch (XMLStreamException e) {
        handleException("Evaluation of the XPath expression " + this.toString() + " resulted in an error", e);
    }
    return null;
}

Example 2 with UnresolvableException

use of org.jaxen.UnresolvableException in project wso2-synapse by wso2.

the class SynapseXPathVariableContext method getVariableValue.

/**
 * Gets the variable values resolved from the context. This includes the
 * <dl>
 *   <dt><tt>body</tt></dt>
 *   <dd>The SOAP 1.1 or 1.2 body element.</dd>
 *   <dt><tt>header</tt></dt>
 *   <dd>The SOAP 1.1 or 1.2 header element.</dd>
 * </dl>
 * and the following variable prefixes
 * <dl>
 *   <dt><tt>ctx</tt></dt>
 *   <dd>Prefix for Synapse MessageContext properties</dd>
 *   <dt><tt>axis2</tt></dt>
 *   <dd>Prefix for Axis2 MessageContext properties</dd>
 *   <dt><tt>trp</tt></dt>
 *   <dd>Prefix for the transport headers</dd>
 * </dl>
 * If the variable is unknown, this method attempts to resolve it using
 * the parent variable context.
 *
 * @param namespaceURI namespaces for the variable resolution
 * @param prefix string prefix for the variable resolution
 * @param localName string local name for the variable resolution
 * @return Resolved variable value
 * @throws UnresolvableException if the variable specified does not found
 */
public Object getVariableValue(String namespaceURI, String prefix, String localName) throws UnresolvableException {
    if (namespaceURI == null) {
        if (env != null) {
            if (SynapseXPathConstants.SOAP_BODY_VARIABLE.equals(localName)) {
                return env.getBody();
            } else if (SynapseXPathConstants.SOAP_HEADER_VARIABLE.equals(localName)) {
                return env.getHeader();
            } else if (SynapseXPathConstants.SOAP_ENVELOPE_VARIABLE.equals(localName)) {
                return env;
            }
        }
        if (prefix != null && !"".equals(prefix) && synCtx != null) {
            if (SynapseXPathConstants.MESSAGE_CONTEXT_VARIABLE_PREFIX.equals(prefix)) {
                return synCtx.getProperty(localName);
            } else if (SynapseXPathConstants.AXIS2_CONTEXT_VARIABLE_PREFIX.equals(prefix)) {
                return ((Axis2MessageContext) synCtx).getAxis2MessageContext().getProperty(localName);
            } else if (SynapseXPathConstants.FUNC_CONTEXT_VARIABLE_PREFIX.equals(prefix)) {
                Stack<TemplateContext> functionStack = (Stack) synCtx.getProperty(SynapseConstants.SYNAPSE__FUNCTION__STACK);
                TemplateContext topCtxt = functionStack.peek();
                if (topCtxt != null) {
                    Object result = topCtxt.getParameterValue(localName);
                    if (result != null && result instanceof SynapseXPath && env != null) {
                        SynapseXPath expression = (SynapseXPath) topCtxt.getParameterValue(localName);
                        try {
                            return expression.evaluate(env);
                        } catch (JaxenException e) {
                            return null;
                        }
                    } else {
                        return result;
                    }
                }
            } else if (SynapseXPathConstants.TRANSPORT_VARIABLE_PREFIX.equals(prefix)) {
                org.apache.axis2.context.MessageContext axis2MessageContext = ((Axis2MessageContext) synCtx).getAxis2MessageContext();
                Object headers = axis2MessageContext.getProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS);
                if (headers != null && headers instanceof Map) {
                    Map headersMap = (Map) headers;
                    return headersMap.get(localName);
                } else {
                    return null;
                }
            } else if (SynapseXPathConstants.URL_VARIABLE_PREFIX.equals(prefix)) {
                EndpointReference toEPR = synCtx.getTo();
                if (toEPR != null) {
                    String completeURL = toEPR.getAddress();
                    AxisBindingOperation axisBindingOperation = (AxisBindingOperation) ((Axis2MessageContext) synCtx).getAxis2MessageContext().getProperty(Constants.AXIS_BINDING_OPERATION);
                    String queryParameterSeparator = null;
                    if (axisBindingOperation != null) {
                        queryParameterSeparator = (String) axisBindingOperation.getProperty(WSDL2Constants.ATTR_WHTTP_QUERY_PARAMETER_SEPARATOR);
                    }
                    if (queryParameterSeparator == null) {
                        queryParameterSeparator = WSDL20DefaultValueHolder.ATTR_WHTTP_QUERY_PARAMETER_SEPARATOR_DEFAULT;
                    }
                    int i = completeURL.indexOf("?");
                    if (i > -1) {
                        String queryString = completeURL.substring(i + 1);
                        if (queryString != null && !queryString.equals("")) {
                            String[] params = queryString.split(queryParameterSeparator);
                            if (params == null || params.length == 0) {
                                return "";
                            }
                            for (String param : params) {
                                String[] temp = param.split("=");
                                if (temp != null && temp.length >= 1) {
                                    if (temp[0].equalsIgnoreCase(localName)) {
                                        try {
                                            return temp.length > 1 ? URIEncoderDecoder.decode(temp[1]) : "";
                                        } catch (UnsupportedEncodingException e) {
                                            String msg = "Couldn't decode the URL parameter " + "value " + temp[1] + " with name " + localName;
                                            log.error(msg, e);
                                            throw new UnresolvableException(msg + e.getMessage());
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                return "";
            } else if (SynapseXPathConstants.OPERATION_SCOPE_VARIABLE_PREFIX.equals(prefix)) {
                Axis2MessageContext axis2smc = (Axis2MessageContext) synCtx;
                return axis2smc.getAxis2MessageContext().getOperationContext().getProperty(localName);
            } else if (SynapseXPathConstants.SYSTEM_SCOPE_VARIABLE_PREFIX.equals(prefix)) {
                String propVal = System.getProperty(localName);
                if (propVal != null) {
                    return propVal;
                } else {
                    return "";
                }
            } else {
                Object o = synCtx.getProperty(prefix);
                if (o instanceof Map) {
                    Object valueObject = ((Map) o).get(localName);
                    if (valueObject != null) {
                        return valueObject.toString();
                    }
                }
            }
        }
    }
    // try resolving using available custom extensions
    Object obj = XpathExtensionUtil.resolveVariableContext(synCtx, namespaceURI, prefix, localName);
    if (obj != null) {
        return obj;
    }
    return parent.getVariableValue(namespaceURI, prefix, localName);
}