Java Receiver类代码示例

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
public static boolean init(Transformer transformer, final LocalDebugger dbg) {
  if (transformer instanceof Controller) {
    System.out.println("SAXON 9");
    final Controller controller = (Controller)transformer;
    ((Saxon9TraceListener)controller.getConfiguration().getTraceListener()).setDebugger(dbg);
    controller.getConfiguration().setLineNumbering(true);
    controller.getConfiguration().setCompileWithTracing(true);
    controller.getConfiguration().setMultiThreading(false);
    controller.getConfiguration().setSerializerFactory(new SerializerFactory(controller.getConfiguration()) {
      @Override
      protected Receiver createXMLSerializer(Emitter emitter,
                                             Properties props,
                                             PipelineConfiguration pipe,
                                             CharacterMapExpander characterMapExpander,
                                             ProxyReceiver normalizer) throws XPathException {
        return super.createXMLSerializer(emitter, props, pipe, characterMapExpander, normalizer);
      }

      @Override
      protected Emitter newXMLEmitter() {
        return new TracingOutputter(dbg.getEventQueue(), super.newXMLEmitter());
      }
    });
    controller.getConfiguration().setDebugger(new Debugger() {
      public SlotManager makeSlotManager() {
        return new SlotManager() {
          @Override
          public int allocateSlotNumber(StructuredQName qName) {
            System.out.println("qName = " + qName);
            return super.allocateSlotNumber(qName);
          }
        };
      }
    });
    return true;
  }
  return false;
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
@Override
public Sequence call(XPathContext context, Sequence[] arguments) throws XPathException {                     
  try {
    String json = ((StringValue) arguments[0].head()).getStringValue();
    if (StringUtils.isBlank(json)) {
      return EmptySequence.getInstance();
    }        
    XMLInputFactory factory = new JsonXMLInputFactory();                
    XMLStreamReader reader = factory.createXMLStreamReader(new StringReader(json));        
    StAXSource source = new StAXSource(reader);        
    Configuration config = context.getConfiguration();        
    PipelineConfiguration pipe = config.makePipelineConfiguration();
    pipe.getParseOptions().getParserFeatures().remove("http://apache.org/xml/features/xinclude");        
    TinyBuilder builder = new TinyBuilder(pipe);        
    SerializerFactory sf = config.getSerializerFactory();
    Receiver receiver = sf.getReceiver(builder, pipe, new Properties());               
    NamespaceReducer reducer = new NamespaceReducer(receiver);
    ParseOptions options = pipe.getParseOptions();
    options.setContinueAfterValidationErrors(true);
    Sender.send(source, reducer, options);                             
    return builder.getCurrentRoot();                
  } catch (Exception e) {
    throw new XPathException("Error parsing JSON string", e);
  }                    
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
public <T extends Result> T transcode(SdcctXsltExecutable xsltExec, Source src, T result, @Nullable HtmlTranscodeOptions opts) throws Exception {
    if (src instanceof StreamSource) {
        StaxToEventBridge srcEventIterator = new StaxToEventBridge();
        srcEventIterator.setPipelineConfiguration(this.config.makePipelineConfiguration());
        srcEventIterator.setXMLStreamReader(this.xmlInFactory.createXMLStreamReader(src));

        src = new SdcctPullEventSource(SdcctTransformUtils.getPublicId(src), src.getSystemId(), srcEventIterator);
    }

    // noinspection ConstantConditions
    Receiver receiver =
        ((opts = this.defaultTranscodeOpts.clone().merge(opts)).getOption(ContentCodecOptions.PRETTY) ? this.prettySerializer : this.serializer)
            .getReceiver(this.config, this.config.makePipelineConfiguration(), result, null, null);

    DynamicXsltOptions xsltOpts = new DynamicXsltOptionsImpl();
    xsltOpts.setSource(src);
    xsltOpts.setDestination(new AugmentedDestination(new ReceiverDestination<>(receiver)).addFilters(HtmlCdataXmlFilter::new));
    xsltOpts.setVariables(opts.getVariables());

    xsltExec.load(xsltOpts).transform();

    return result;
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
@Override
public void parse(InputSource input) throws IOException, SAXException {
	final ContentHandlerProxy chp = new ContentHandlerProxy();
	chp.setLexicalHandler(lexicalHandler);
	chp.setUnderlyingContentHandler(handler);
	this.source.addFilter(new FilterFactory() {
		
		@Override
		public ProxyReceiver makeFilter(Receiver arg0) {
			return new ContentHandlerProxyReceiver(chp, arg0);
		}
	});
	try {
		config.buildDocument(source);
	} catch (XPathException e) {
		throw new SAXException(e);
	}
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
@Override
public Receiver getReceiver(Result result, PipelineConfiguration pipelineConfig, Properties outProps, @Nullable CharacterMapIndex charMapIndex)
    throws XPathException {
    int indentSpaces = config.getInteger(outProps, SaxonOutputKeys.INDENT_SPACES, -1);
    boolean indent = (this.config.getBoolean(outProps, OutputKeys.INDENT) && (indentSpaces > 0));

    outProps.setProperty(OutputKeys.INDENT, CrigttConfigurationValues.NO);

    Receiver receiver = super.getReceiver(result, pipelineConfig, outProps, charMapIndex);

    if (indent) {
        (receiver = new ReceiverToXMLStreamWriter(new PrettyPrintXMLStreamWriter(new StreamWriterToReceiver(receiver), indentSpaces)))
            .setPipelineConfiguration(pipelineConfig);
    }

    return receiver;
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
/**
 * Retrieves the current node number in the build. Indexer uses this to
 * record node numbers in text chunks.
 *
 * @param inBuilder     The builder gotten from begin()
 * @return              The current node number.
 */
public int getNodeNum(Receiver inBuilder) {
  HackedTinyBuilder builder = (HackedTinyBuilder)inBuilder;
  tree = builder.getTree();
  
  // Don't count the stopper at the end of the tiny tree.
  int nNodes = tree.getNumberOfNodes();
  while (nNodes > 0 && tree.getNodeKind(nNodes-1) == Type.STOPPER)
    nNodes--;
  return nNodes;
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
@Override
public ZeroOrOne<NodeInfo> call(XPathContext context, Sequence[] arguments) throws XPathException {
  String xml = ((StringValue) arguments[0].head()).getStringValue();
  try {                
    Controller controller = context.getController();        
    if (controller == null) {
      throw new XPathException("parse() function is not available in this environment");
    }        
    Configuration configuration = controller.getConfiguration();
    StringReader sr = new StringReader(xml);
    InputSource is = new InputSource(sr);                        
    //is.setSystemId(baseURI);
    Source source = new SAXSource(is);
    //source.setSystemId(baseURI);

    Builder b = TreeModel.TINY_TREE.makeBuilder(controller.makePipelineConfiguration());
    Receiver s = b;
    ParseOptions options = new ParseOptions();
    options.setStripSpace(Whitespace.XSLT);
    options.setErrorListener(context.getConfiguration().getErrorListener());

    if (controller.getExecutable().stripsInputTypeAnnotations()) {
      s = configuration.getAnnotationStripper(s);
    }
    s.setPipelineConfiguration(b.getPipelineConfiguration());

    Sender.send(source, s, options);

    TinyDocumentImpl node = (TinyDocumentImpl) b.getCurrentRoot();
    // node.setBaseURI(baseURI);
    node.setSystemId(null);
    b.reset();
    return new ZeroOrOne<NodeInfo>((NodeInfo)node);
  } catch (XPathException err) {
    throw new XPathException("First argument to parse is not a well-formed and namespace-well-formed XML document. XML parser reported: " + err.getMessage(), "FODC0006");
  }

}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
protected AbstractSdcctCdataXmlFilter(Receiver nextReceiver) {
    super(nextReceiver);

    Receiver receiver = this.nextReceiver;

    while (!(receiver instanceof ReceiverToXMLStreamWriter)) {
        receiver = ((receiver instanceof ComplexContentOutputter)
            ? ((ComplexContentOutputter) receiver).getReceiver() : ((ProxyReceiver) receiver).getUnderlyingReceiver());
    }

    this.writer = Stax2WriterAdapter.wrapIfNecessary(((ReceiverToXMLStreamWriter) receiver).getXMLStreamWriter());
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
@Override
public Receiver getReceiver(Configuration config) throws SaxonApiException {
    Receiver receiver = this.delegate.getReceiver(config);

    if (this.hasFilters()) {
        for (int a = (this.filters.size() - 1); a >= 0; a--) {
            receiver = this.filters.get(a).makeFilter(receiver);
        }
    }

    return receiver;
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
public HtmlCdataXmlFilter(Receiver nextReceiver) {
    super(nextReceiver);
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
public ContentHandlerProxyReceiver(Receiver receiver, Receiver next) {
	super(next);
	this.reciever = receiver; 
	this.reciever.setPipelineConfiguration(next.getPipelineConfiguration());
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
public <T extends Result> T serializeToResult(Source src, T result, Properties outProps) throws SaxonApiException {
    CrigttConfiguration config = this.getProcessor().getUnderlyingConfiguration();
    ParseOptions parseOpts = config.getParseOptions();

    try {
        Receiver receiver = config.getSerializerFactory().getReceiver(result, config.makePipelineConfiguration(), outProps);

        if (src instanceof AugmentedSource) {
            AugmentedSource augmentedSrc = ((AugmentedSource) src);

            parseOpts = augmentedSrc.getParseOptions();

            List<FilterFactory> srcFilters = augmentedSrc.getFilters();

            if (!CollectionUtils.isEmpty(srcFilters)) {
                for (int a = (srcFilters.size() - 1); a >= 0; a--) {
                    receiver = srcFilters.get(a).makeFilter(receiver);
                }

                srcFilters.clear();
            }
        }

        Sender.send(src, receiver, parseOpts);

        receiver.close();
    } catch (XPathException e) {
        throw new SaxonApiException(e);
    }

    return result;
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
/**
 * Makes a Saxon Receiver that will transparently add a session IDs
 * to URLs if they match the servlet URL, or other patterns configured
 * in the conf file.
 *
 * @param trans   The transformer that will do the work
 * @param req     The servlet request being processed
 * @param res     The servlet response to output to
 * @return        A Receiver suitable for the target of the transform
 */
public Result createFilteredReceiver(Transformer trans,
                                     HttpServletRequest req,
                                     HttpServletResponse res)
  throws XPathException, IOException 
{
  StreamResult stream = new StreamResult(res.getOutputStream());

  TextConfig config = getConfig();
  if (config.trackSessions && config.sessionEncodeURLPattern != null) 
  {
    // NOTE: It's a good thing we're no longer defaulting to doing this, because it
    // effectively prevents Saxon from being able to switch the xsl:output parameters
    // during the transformation (such as in response to an xsl:result-document
    // element.)
    //
    Controller controller = (Controller)trans;
    SerializerFactory factory = controller.getConfiguration().getSerializerFactory();
    Receiver target = factory.getReceiver(stream,
                                          controller.makePipelineConfiguration(),
                                          trans.getOutputProperties());
    return new SessionURLRewriter(target,
                                  config.sessionEncodeURLPattern,
                                  req,
                                  res);
  }
  else
  {
    // Return a StreamResult, not a Receiver. This allows Saxon to change the output
    // parameters during the transformation (e.g. in response to xsl:result-document).
    return stream;
  }
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
/**
 * Construct the URL rewriter, recording a reference to the receiver
 * that will get the data, and the HTTP servlet response we'll use to
 * get session info and to rewrite URLs.
 */
SessionURLRewriter(Receiver underlyingReceiver, Pattern encodeURLPattern,
                   HttpServletRequest httpRequest,
                   HttpServletResponse httpResponse) 
{
  setUnderlyingReceiver(underlyingReceiver);
  this.encodeURLPattern = encodeURLPattern;
  this.httpRequest = httpRequest;
  this.httpResponse = httpResponse;
}
 

import net.sf.saxon.event.Receiver; //导入依赖的package包/类
/**
* Output all namespace nodes associated with this element.
* @param out The relevant outputter
 * @param includeAncestors True if namespaces associated with ancestor
 */
public void sendNamespaceDeclarations(Receiver out, boolean includeAncestors)
  throws XPathException 
{
  if (!document.usesNamespaces) {
    return;
  }

  int ns = nameSpace;
  if (ns > 0) 
  {
    while (ns < document.numberOfNamespaces &&
           document.namespaceParent[ns] == nodeNum) 
    {
      int nscode = document.namespaceCode[ns];
      out.namespace(nscode, 0);
      ns++;
    }
  }

  // now add the namespaces defined on the ancestor nodes. We rely on the receiver
  // to eliminate multiple declarations of the same prefix
  if (includeAncestors && document.isUsingNamespaces()) 
  {
    NodeInfo parent = getParent();
    if (parent != null) {
      parent.sendNamespaceDeclarations(out, true);
    }

    // terminates when the parent is a root node
  }
}