xdi2.core.io.XDIWriterRegistry.getDefault()方法的使用及代码示例

x33g5p2x  于2022-02-03 转载在 其他  
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本文整理了Java中xdi2.core.io.XDIWriterRegistry.getDefault()方法的一些代码示例，展示了XDIWriterRegistry.getDefault()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。XDIWriterRegistry.getDefault()方法的具体详情如下：
包路径：xdi2.core.io.XDIWriterRegistry
类名称：XDIWriterRegistry
方法名：getDefault

XDIWriterRegistry.getDefault介绍

[英]Returns an XDIWriter for the default format.
[中]返回默认格式的XDIWriter。

代码示例

代码示例来源：origin: projectdanube/xdi2

  1. /**
  2.  * Returns an XDIWriter for the specified format, e.g.
  3.  * <ul>
  4.  * <li>XDI/JSON</li>
  5.  * <li>XDI DISPLAY</li>
  6.  * </ul>
  7.  * @param format The desired format.
  8.  * @return An XDIWriter, or null if no appropriate implementation could be found.
  9.  */
  10. public static XDIWriter forFormat(String format, Properties parameters) {
  11.   if (format == null) return XDIWriterRegistry.getDefault();
  12.   Class<? extends XDIWriter> writerClass = writerClassesByFormat.get(format);
  13.   if (writerClass == null) return null;
  14.   try {
  15.     Constructor<? extends XDIWriter> constructor = writerClass.getConstructor(Properties.class);
  16.     return constructor.newInstance(parameters);
  17.   } catch (Exception ex) {
  18.     throw new RuntimeException(ex);
  19.   }
  20. }

代码示例来源：origin: projectdanube/xdi2

  1. /**
  2.  * Returns an XDIWriter for the specified file extension, e.g.
  3.  * <ul>
  4.  * <li>.json</li>
  5.  * <li>.xdi</li>
  6.  * </ul>
  7.  * @param fileExtension The desired file extension.
  8.  * @return An XDIWriter, or null if no appropriate implementation could be found.
  9.  */
  10. public static XDIWriter forFileExtension(String fileExtension, Properties parameters) {
  11.   if (fileExtension == null) return XDIWriterRegistry.getDefault();
  12.   Class<? extends XDIWriter> writerClass = writerClassesByFileExtension.get(fileExtension);
  13.   if (writerClass == null) return null;
  14.   try {
  15.     Constructor<? extends XDIWriter> constructor = writerClass.getConstructor(Properties.class);
  16.     return constructor.newInstance(parameters);
  17.   } catch (Exception ex) {
  18.     throw new RuntimeException(ex);
  19.   }
  20. }

代码示例来源：origin: projectdanube/xdi2

  1. /**
  2.  * Returns an XDIWriter for the specified mime type, e.g.
  3.  * <ul>
  4.  * <li>application/xdi+json</li>
  5.  * <li>text/xdi</li>
  6.  * </ul>
  7.  * @param mimeType The desired mime type.
  8.  * @return An XDIWriter, or null if no appropriate implementation could be found.
  9.  */
  10. public static XDIWriter forMimeType(MimeType mimeType) {
  11.   if (mimeType == null) return XDIWriterRegistry.getDefault();
  12.   Class<? extends XDIWriter> writerClass = writerClassesByMimeType.get(mimeType.mimeTypeWithoutParameters());
  13.   if (writerClass == null) return null;
  14.   try {
  15.     Constructor<? extends XDIWriter> constructor = writerClass.getConstructor(Properties.class);
  16.     return constructor.newInstance(mimeType.getParameters());
  17.   } catch (Exception ex) {
  18.     throw new RuntimeException(ex);
  19.   }
  20. }

代码示例来源：origin: projectdanube/xdi2

  1. @Override
  2. public String toString(String format, Properties parameters) {
  3.   if (format == null) format = XDIWriterRegistry.getDefault().getFormat();
  4.   XDIWriter writer = XDIWriterRegistry.forFormat(format, parameters);
  5.   if (writer == null) throw new Xdi2RuntimeException("Unknown format for XDI serialization: " + format);
  6.   StringWriter buffer = new StringWriter();
  7.   try {
  8.     writer.write(this, buffer);
  9.   } catch (IOException ex) {
  10.     return "[Exception: " + ex.getMessage() + "]";
  11.   }
  12.   return buffer.toString();
  13. }

代码示例来源：origin: projectdanube/xdi2

  1. private static void sendText(WebSocketTransportRequest request, WebSocketTransportResponse response, TransportMessagingResponse messagingResponse) throws IOException {
  2.   // use default writer
  3.   XDIWriter writer = null;
  4.   MimeType sendMimeType = null;
  5.   writer = sendMimeType != null ? XDIWriterRegistry.forMimeType(sendMimeType) : null;
  6.   if (writer == null) writer = XDIWriterRegistry.getDefault();
  7.   // send out the message result
  8.   if (log.isDebugEnabled()) log.debug("Sending result in " + sendMimeType + " with writer " + writer.getClass().getSimpleName() + ".");
  9.   StringWriter buffer = new StringWriter();
  10.   writer.write(messagingResponse.getGraph(), buffer);
  11.   // TODO figure out if we can use .getAsync() and avoid concurrency problems
  12.   if (buffer.getBuffer().length() > 0) {
  13.     synchronized (response.getBasic()) {
  14.       response.getBasic().sendText(buffer.getBuffer().toString());
  15.     }
  16.   }
  17.   if (log.isDebugEnabled()) log.debug("Output complete.");
  18. }

代码示例来源：origin: projectdanube/xdi2

  1. @Override
  2. public InterceptorResult before(MessageEnvelope messageEnvelope, ExecutionContext executionContext, ExecutionResult executionResult) throws Xdi2MessagingException {
  3.   if (this.isEnableMessageEnvelope()) {
  4.     StringWriter stringWriter = new StringWriter();
  5.     try {
  6.       XDIWriterRegistry.getDefault().write(messageEnvelope.getGraph(), stringWriter);
  7.     } catch (IOException ex) {
  8.       throw new Xdi2MessagingException("Cannot write graph: " + ex.getMessage(), ex, executionContext);
  9.     }
  10.     String param = stringWriter.getBuffer().toString();
  11.     this.executeCommandLine(param, executionContext);
  12.   }
  13.   return InterceptorResult.DEFAULT;
  14. }

代码示例来源：origin: projectdanube/xdi2

  1. private void sendOk(HttpTransportRequest request, HttpTransportResponse response, TransportMessagingResponse messagingResponse) throws IOException {
  2.   response.setStatus(HttpTransportResponse.SC_OK);
  3.   Map<String, String> headers = new HashMap<String, String> ();
  4.   headers.putAll(this.getHeaders());
  5.   if (HttpTransportRequest.METHOD_GET.equals(request.getMethod())) headers.putAll(this.getHeadersGet());
  6.   if (HttpTransportRequest.METHOD_POST.equals(request.getMethod())) headers.putAll(this.getHeadersPost());
  7.   if (HttpTransportRequest.METHOD_PUT.equals(request.getMethod())) headers.putAll(this.getHeadersPut());
  8.   if (HttpTransportRequest.METHOD_DELETE.equals(request.getMethod())) headers.putAll(this.getHeadersDelete());
  9.   if (HttpTransportRequest.METHOD_OPTIONS.equals(request.getMethod())) headers.putAll(this.getHeadersOptions());
  10.   for (Map.Entry<String, String> header : headers.entrySet()) {
  11.     response.setHeader(header.getKey(), header.getValue());
  12.   }
  13.   if (messagingResponse != null) {
  14.     // find a suitable writer based on accept headers
  15.     if (log.isDebugEnabled()) log.debug("Accept: " + request.getHeader("Accept"));
  16.     XDIWriter writer = null;
  17.     String acceptHeader = request.getHeader("Accept");
  18.     MimeType sendMimeType = acceptHeader != null ? AcceptHeader.parse(acceptHeader).bestMimeType(false, true) : null;
  19.     writer = sendMimeType != null ? XDIWriterRegistry.forMimeType(sendMimeType) : null;
  20.     if (writer == null) writer = XDIWriterRegistry.getDefault();
  21.     // send out the message result
  22.     if (log.isDebugEnabled()) log.debug("Sending result in " + sendMimeType + " with writer " + writer.getClass().getSimpleName() + ".");
  23.     ByteArrayOutputStream buffer = new ByteArrayOutputStream();
  24.     writer.write(messagingResponse.getGraph(), buffer);
  25.     response.setContentType(writer.getMimeType().toString());
  26.     response.setContentLength(buffer.size());
  27.     response.writeBody(buffer.toByteArray(), true);
  28.   }
  29.   if (log.isDebugEnabled()) log.debug("Output complete.");
  30. }

代码示例来源：origin: projectdanube/xdi2

  1. private void readGraph(ExecutionContext executionContext) throws Xdi2MessagingException {
  2.   XDIReader xdiReader = XDIReaderRegistry.forFormat(this.mimeType, null);
  3.   if (xdiReader == null) throw new Xdi2MessagingException("Cannot read this format: " + this.mimeType, null, executionContext);
  4.   Graph graph = this.getGraph();
  5.   graph.clear();
  6.   FileReader reader = null;
  7.   try {
  8.     File file = new File(this.path);
  9.     reader = new FileReader(file);
  10.     xdiReader.read(graph, reader);
  11.     reader.close();
  12.   } catch (FileNotFoundException ex) {
  13.   } catch (Exception ex) {
  14.     throw new Xdi2MessagingException("Cannot read file: " + ex.getMessage(), ex, executionContext);
  15.   } finally {
  16.     if (reader != null) {
  17.       try {
  18.         reader.close();
  19.       } catch (Exception ex) { }
  20.     }
  21.   }
  22.   if (xdiReader instanceof AutoReader) this.mimeType = ((AutoReader) xdiReader).getLastSuccessfulReader().getFormat();
  23.   if (this.mimeType == null) this.mimeType = XDIWriterRegistry.getDefault().getFormat();
  24. }

代码示例来源：origin: projectdanube/xdi2

  1. public void testDefaults() throws Exception {
  2.   assertNotNull(XDIReaderRegistry.getDefault());
  3.   assertNotNull(XDIWriterRegistry.getDefault());
  4. }

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