Examples with OMDocumentImpl org.apache.axiom.om.impl.llom.OMDocumentImpl used on opensource projects

Example 1 with OMDocumentImpl

use of org.apache.axiom.om.impl.llom.OMDocumentImpl in project wso2-synapse by wso2.

the class SOAPEnvelopeTextRetriever method getSourceText.

public String getSourceText(EvaluatorContext context) throws EvaluatorException {
    SOAPEnvelope envelope = context.getMessageContext().getEnvelope();
    Object result;
    try {
        if (compiledXPath == null) {
            compiledXPath = new AXIOMXPath(source);
        }
        result = compiledXPath.evaluate(envelope);
    } catch (JaxenException e) {
        throw new EvaluatorException("Error while parsing the XPath expression: " + source, e);
    }
    if (result instanceof List) {
        List list = (List) result;
        if (list.size() == 1 && list.get(0) == null) {
            return null;
        }
        StringBuffer textValue = new StringBuffer();
        for (Object o : list) {
            if (o instanceof OMTextImpl) {
                textValue.append(((OMTextImpl) o).getText());
            } else if (o instanceof OMElementImpl) {
                String s = ((OMElementImpl) o).getText();
                if (s.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());
            }
        }
        return textValue.toString();
    } else {
        return result.toString();
    }
}

Example 2 with OMDocumentImpl

use of org.apache.axiom.om.impl.llom.OMDocumentImpl in project carbon-apimgt by wso2.

the class ApplicationThrottleController method lookup.

private static OMNode lookup(String key, int tenantId) {
    try {
        Resource resource = getResource(key, tenantId);
        if (resource instanceof Collection || resource == null) {
            return null;
        }
        ByteArrayInputStream inputStream = null;
        Object content = resource.getContent();
        if (content instanceof String) {
            inputStream = new ByteArrayInputStream(content.toString().getBytes(Charset.defaultCharset()));
        } else if (content instanceof byte[]) {
            inputStream = new ByteArrayInputStream((byte[]) content);
        }
        OMNode result = null;
        try {
            XMLInputFactory factory = XMLInputFactory.newInstance();
            factory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
            XMLStreamReader parser = factory.createXMLStreamReader(inputStream);
            StAXOMBuilder builder = new StAXOMBuilder(parser);
            result = builder.getDocumentElement();
        } catch (OMException ignored) {
            result = readNonXML(resource);
        } catch (XMLStreamException ignored) {
            result = readNonXML(resource);
        } catch (Exception e) {
            // a more general exception(e.g. a Runtime exception if the XML doc has an
            // external DTD deceleration and if not connected to internet) which in case
            // just log for debugging
            log.error("Error while reading the resource '" + key + '\'', e);
        } finally {
            try {
                resource.discard();
                if (result != null && result.getParent() != null) {
                    result.detach();
                    OMDocumentImpl parent = new OMDocumentImpl(OMAbstractFactory.getOMFactory());
                    parent.addChild(result);
                }
                if (inputStream != null) {
                    inputStream.close();
                }
            } catch (IOException e) {
                log.error("Error while closing the input stream", e);
            }
        }
        return result;
    } catch (RegistryException e) {
        handleException("Error while fetching the resource " + key, e);
    }
    return null;
}

Example 3 with OMDocumentImpl

use of org.apache.axiom.om.impl.llom.OMDocumentImpl 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 4 with OMDocumentImpl

use of org.apache.axiom.om.impl.llom.OMDocumentImpl in project ballerina by ballerina-lang.

the class BXMLItem method copy.

/**
 * {@inheritDoc}
 */
@Override
public BXMLItem copy() {
    OMNode clonedNode = null;
    switch(nodeType) {
        case ELEMENT:
            clonedNode = ((OMElement) omNode).cloneOMElement();
            break;
        case TEXT:
            TextImpl text = new TextImpl();
            text.setTextContent(((OMText) omNode).getText());
            clonedNode = text;
            break;
        case COMMENT:
            CommentImpl comment = new CommentImpl();
            comment.setTextContent(((OMComment) omNode).getValue());
            clonedNode = comment;
            break;
        case PI:
            OMProcessingInstructionImpl pi = new OMProcessingInstructionImpl();
            pi.setTarget(((OMProcessingInstruction) omNode).getTarget());
            pi.setValue(((OMProcessingInstruction) omNode).getValue());
            clonedNode = pi;
            break;
        default:
            clonedNode = omNode;
            break;
    }
    // adding the document element as parent, to get xpPaths work
    OMDocument doc = new OMDocumentImpl();
    doc.addChild(clonedNode);
    return new BXMLItem(clonedNode);
}