Examples with SynapseBinaryDataSource org.apache.synapse.util.SynapseBinaryDataSource used on opensource projects

Example 1 with SynapseBinaryDataSource

use of org.apache.synapse.util.SynapseBinaryDataSource in project wso2-synapse by wso2.

the class SynapseConfigUtils method readNonXML.

/**
 * Helper method to handle non-XMl resources
 *
 * @param url The resource url
 * @return The content as an OMNode
 */
public static OMNode readNonXML(URL url) {
    try {
        // Open a new connection
        URLConnection newConnection = getURLConnection(url);
        if (newConnection == null) {
            if (log.isDebugEnabled()) {
                log.debug("Cannot create a URLConnection for given URL : " + url);
            }
            return null;
        }
        BufferedInputStream newInputStream = new BufferedInputStream(newConnection.getInputStream());
        OMFactory omFactory = OMAbstractFactory.getOMFactory();
        return omFactory.createOMText(new DataHandler(new SynapseBinaryDataSource(newInputStream, newConnection.getContentType())), true);
    } catch (IOException e) {
        handleException("Error when getting a stream from resource's content", e);
    }
    return null;
}

Example 2 with SynapseBinaryDataSource

use of org.apache.synapse.util.SynapseBinaryDataSource in project wso2-synapse by wso2.

the class HessianMessageFormatter method writeHessianMessage.

/**
 * Writes the Hessian message contained in the message context to the provided output stream.
 *
 * @param msgCtxt the message context containing the Hessian message
 * @param out the provided output stream to which the message shall be written
 *
 * @throws AxisFault if an error occurs writing to the output stream
 */
private void writeHessianMessage(MessageContext msgCtxt, OutputStream out) throws AxisFault {
    OMElement omElement = msgCtxt.getEnvelope().getBody().getFirstElement();
    SynapseBinaryDataSource synapseBinaryDataSource = extractSynapseBinaryDataSource(omElement);
    if (synapseBinaryDataSource != null) {
        InputStream inputStream = null;
        try {
            inputStream = synapseBinaryDataSource.getInputStream();
            IOUtils.copy(inputStream, out);
        } catch (IOException e) {
            handleException("Couldn't get the bytes from the HessianDataSource", e);
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException ignore) {
                    log.warn("Error closing input stream.", ignore);
                }
            }
            if (out != null) {
                try {
                    out.close();
                } catch (IOException ignore) {
                    log.warn("Error closing output stream.", ignore);
                }
            }
        }
    } else {
        handleException("Unable to find the Hessian content in the payload");
    }
}

Example 3 with SynapseBinaryDataSource

use of org.apache.synapse.util.SynapseBinaryDataSource in project wso2-synapse by wso2.

the class HessianMessageBuilder method processDocument.

/**
 * Returns an OMElement from a Hessian encoded message
 *
 * @param inputStream stream containing the Hessian message to be built
 * @param contentType content type of the message
 * @param messageContext message to which the hessian message has to be attached
 * @return OMElement containing Hessian data handler keeping the message
 * @throws AxisFault in case of a failure in building the hessian message
 *
 * @see org.apache.axis2.builder.Builder#processDocument(java.io.InputStream,
 * String, org.apache.axis2.context.MessageContext)
 */
public OMElement processDocument(final InputStream inputStream, final String contentType, final MessageContext messageContext) throws AxisFault {
    if (log.isDebugEnabled()) {
        log.debug("Start building the hessian message in to a HessianDataSource");
    }
    OMFactory factory = OMAbstractFactory.getOMFactory();
    OMNamespace ns = factory.createOMNamespace(HessianConstants.HESSIAN_NAMESPACE_URI, HessianConstants.HESSIAN_NS_PREFIX);
    OMElement element = factory.createOMElement(HessianConstants.HESSIAN_ELEMENT_LOCAL_NAME, ns);
    try {
        Parameter synEnv = messageContext.getConfigurationContext().getAxisConfiguration().getParameter(SynapseConstants.SYNAPSE_ENV);
        PushbackInputStream pis = detectAndMarkMessageFault(messageContext, inputStream);
        DataHandler dataHandler;
        if (synEnv != null && synEnv.getValue() != null) {
            dataHandler = new DataHandler(new SynapseBinaryDataSource(pis, contentType, (SynapseEnvironment) synEnv.getValue()));
        } else {
            // add Hessian data inside a data handler
            dataHandler = new DataHandler(new SynapseBinaryDataSource(pis, contentType));
        }
        OMText textData = factory.createOMText(dataHandler, true);
        element.addChild(textData);
        // indicate that message faults shall be handled as http 200
        messageContext.setProperty(NhttpConstants.FAULTS_AS_HTTP_200, NhttpConstants.TRUE);
    } catch (IOException e) {
        String msg = "Unable to create the HessianDataSource";
        log.error(msg, e);
        throw new AxisFault(msg, e);
    }
    if (log.isDebugEnabled()) {
        log.debug("Building the hessian message using HessianDataSource is successful");
    }
    return element;
}

Example 4 with SynapseBinaryDataSource

use of org.apache.synapse.util.SynapseBinaryDataSource in project wso2-synapse by wso2.

the class HessianMessageBuilderTest method test.

private MessageContext test(String testMessageName, SynapseEnvironment synEnv) throws IOException {
    HessianTestHelper hessianTestHelper = new HessianTestHelper();
    MessageContext msgContext = hessianTestHelper.createAxis2MessageContext(synEnv);
    OMElement element = hessianTestHelper.buildHessianTestMessage(testMessageName, msgContext);
    OMNode hessianNode = element.getFirstOMChild();
    OMText hessianTextNode = (OMText) hessianNode;
    SynapseBinaryDataSource synapseBinaryDataSource = (SynapseBinaryDataSource) ((DataHandler) hessianTextNode.getDataHandler()).getDataSource();
    InputStream inputStream = synapseBinaryDataSource.getInputStream();
    byte[] originalByteArray = IOUtils.toByteArray(getClass().getResourceAsStream(testMessageName));
    byte[] builderByteArray = IOUtils.toByteArray(inputStream);
    assertTrue(Arrays.equals(originalByteArray, builderByteArray));
    return msgContext;
}

Example 5 with SynapseBinaryDataSource

use of org.apache.synapse.util.SynapseBinaryDataSource in project wso2-synapse by wso2.

the class HessianMessageFormatter method extractSynapseBinaryDataSource.

/**
 * Tries to extract the binary data source containing the Hessian message.
 *
 * @param omElement
 *
 * @return the binary data source containing the Hessian message or null, if the OMElement
 *         does not contain a binary datasource.
 */
private SynapseBinaryDataSource extractSynapseBinaryDataSource(OMElement omElement) {
    SynapseBinaryDataSource synapseBinaryDataSource = null;
    Iterator it = omElement.getChildren();
    while (it.hasNext() && synapseBinaryDataSource == null) {
        OMNode hessianElement = (OMNode) it.next();
        if (hessianElement instanceof OMText) {
            OMText tempNode = (OMText) hessianElement;
            if (tempNode.getDataHandler() != null && ((DataHandler) tempNode.getDataHandler()).getDataSource() instanceof SynapseBinaryDataSource) {
                synapseBinaryDataSource = (SynapseBinaryDataSource) ((DataHandler) tempNode.getDataHandler()).getDataSource();
            }
        }
    }
    return synapseBinaryDataSource;
}