Examples with FileObjectDataSource org.apache.synapse.commons.vfs.FileObjectDataSource used on opensource projects

Example 1 with FileObjectDataSource

use of org.apache.synapse.commons.vfs.FileObjectDataSource in project wso2-synapse by wso2.

the class VFSTransportListener method processFile.

/**
 * Process a single file through Axis2
 * @param entry the PollTableEntry for the file (or its parent directory or archive)
 * @param file the file that contains the actual message pumped into Axis2
 * @throws AxisFault on error
 */
private void processFile(PollTableEntry entry, FileObject file) throws AxisFault {
    try {
        FileContent content = file.getContent();
        String fileName = file.getName().getBaseName();
        String filePath = file.getName().getPath();
        String fileURI = file.getName().getURI();
        metrics.incrementBytesReceived(content.getSize());
        Map<String, Object> transportHeaders = new HashMap<String, Object>();
        transportHeaders.put(VFSConstants.FILE_PATH, filePath);
        transportHeaders.put(VFSConstants.FILE_NAME, fileName);
        transportHeaders.put(VFSConstants.FILE_URI, fileURI);
        try {
            transportHeaders.put(VFSConstants.FILE_LENGTH, content.getSize());
            transportHeaders.put(VFSConstants.LAST_MODIFIED, content.getLastModifiedTime());
        } catch (FileSystemException ignore) {
        }
        MessageContext msgContext = entry.createMessageContext();
        String contentType = entry.getContentType();
        if (BaseUtils.isBlank(contentType)) {
            if (file.getName().getExtension().toLowerCase().endsWith(".xml")) {
                contentType = "text/xml";
            } else if (file.getName().getExtension().toLowerCase().endsWith(".txt")) {
                contentType = "text/plain";
            }
        } else {
            // Extract the charset encoding from the configured content type and
            // set the CHARACTER_SET_ENCODING property as e.g. SOAPBuilder relies on this.
            String charSetEnc = null;
            try {
                if (contentType != null) {
                    charSetEnc = new ContentType(contentType).getParameter("charset");
                }
            } catch (ParseException ex) {
            // ignore
            }
            msgContext.setProperty(Constants.Configuration.CHARACTER_SET_ENCODING, charSetEnc);
        }
        // if the content type was not found, but the service defined it.. use it
        if (contentType == null) {
            if (entry.getContentType() != null) {
                contentType = entry.getContentType();
            } else if (VFSUtils.getProperty(content, BaseConstants.CONTENT_TYPE) != null) {
                contentType = VFSUtils.getProperty(content, BaseConstants.CONTENT_TYPE);
            }
        }
        // does the service specify a default reply file URI ?
        String replyFileURI = entry.getReplyFileURI();
        if (replyFileURI != null) {
            msgContext.setProperty(Constants.OUT_TRANSPORT_INFO, new VFSOutTransportInfo(replyFileURI, entry.isFileLockingEnabled()));
        }
        // Determine the message builder to use
        Builder builder;
        if (contentType == null) {
            if (log.isDebugEnabled()) {
                log.debug("No content type specified. Using SOAP builder.");
            }
            builder = new SOAPBuilder();
        } else {
            int index = contentType.indexOf(';');
            String type = index > 0 ? contentType.substring(0, index) : contentType;
            builder = BuilderUtil.getBuilderFromSelector(type, msgContext);
            if (builder == null) {
                if (log.isDebugEnabled()) {
                    log.debug("No message builder found for type '" + type + "'. Falling back to SOAP.");
                }
                builder = new SOAPBuilder();
            }
        }
        // set the message payload to the message context
        InputStream in;
        ManagedDataSource dataSource;
        if (builder instanceof DataSourceMessageBuilder && entry.isStreaming()) {
            in = null;
            dataSource = ManagedDataSourceFactory.create(new FileObjectDataSource(file, contentType));
        } else {
            in = new AutoCloseInputStream(content.getInputStream());
            dataSource = null;
        }
        try {
            OMElement documentElement;
            if (in != null) {
                documentElement = builder.processDocument(in, contentType, msgContext);
            } else {
                documentElement = ((DataSourceMessageBuilder) builder).processDocument(dataSource, contentType, msgContext);
            }
            msgContext.setEnvelope(TransportUtils.createSOAPEnvelope(documentElement));
            handleIncomingMessage(msgContext, transportHeaders, // * SOAP Action - not applicable *//
            null, contentType);
        } finally {
            if (dataSource != null) {
                dataSource.destroy();
            }
        }
        if (log.isDebugEnabled()) {
            log.debug("Processed file : " + VFSUtils.maskURLPassword(file.toString()) + " of Content-type : " + contentType);
        }
    } catch (FileSystemException e) {
        handleException("Error reading file content or attributes : " + VFSUtils.maskURLPassword(file.toString()), e);
    } finally {
        try {
            if (file != null) {
                if (fsManager != null && file.getName() != null && file.getName().getScheme() != null && file.getName().getScheme().startsWith("file")) {
                    fsManager.closeFileSystem(file.getParent().getFileSystem());
                }
                file.close();
            }
        } catch (FileSystemException warn) {
        // ignore the warning,  since we handed over the stream close job to
        // AutocloseInputstream..
        }
    }
}