Examples of org.exist.memtree.DocumentBuilderReceiver

org.exist.memtree.DocumentBuilderReceiver
Builds an in-memory DOM tree from SAX {@link org.exist.util.serializer.Receiver} events. @author Wolfgang

                reader = context.getBroker().getBrokerPool().getParserPool().borrowXMLReader();
                LOG.debug( "Parsing XML response ..." );


                // TODO : we should be able to cope with context.getBaseURI()
                final MemTreeBuilder builder = context.getDocumentBuilder();
                final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver( builder, true );
                reader.setContentHandler(receiver);
                reader.setProperty("http://xml.org/sax/properties/lexical-handler", receiver);
                reader.parse(inputSource);
                final Document doc = receiver.getDocument();
                // return (NodeValue)doc.getDocumentElement();
                return((NodeValue)doc);
            }  finally {
                context.popDocumentContext();

View Full Code Here

                // try and construct xml document from input stream, we use eXist's
                // in-memory DOM implementation


                // TODO : we should be able to cope with context.getBaseURI()
                final MemTreeBuilder builder = context.getDocumentBuilder();
                final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder, true);
                reader.setContentHandler(receiver);
                reader.parse(src.getInputSource());
                final Document doc = receiver.getDocument();
                return((NodeValue)doc);
            }  finally {
                context.popDocumentContext();
            }
  }

View Full Code Here

        }


        context.pushDocumentContext();
        try {
            final MemTreeBuilder builder = context.getDocumentBuilder();
            final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder, true);
            for (final SequenceIterator i = temp.iterate(); i.hasNext(); ) {
                final Item next = i.nextItem();
                if (Type.subTypeOf(next.getType(), Type.NODE)) {
                    next.copyTo(context.getBroker(), receiver);
                } else {
                    receiver.characters(next.getStringValue());
                }
            }
            return (DocumentImpl)receiver.getDocument();
        } catch (final SAXException e) {
            throw new XPathException(this, FnModule.SENR0001, e.getMessage());
        } finally {
            context.popDocumentContext();
        }

View Full Code Here

                try {
                    //we have to use CloseShieldInputStream otherwise the parser closes the stream and we cant later reread
                    final InputStream shieldedInputStream = new CloseShieldInputStream(cfis);
                    responseNode = (NodeImpl)ModuleUtils.streamToXML(context, shieldedInputStream);
                    builder.addAttribute(new QName("type", null, null ), "xml");
                    responseNode.copyTo(null, new DocumentBuilderReceiver(builder));
                } catch(final SAXException se) {
                    // could not parse to xml
                    // not an error in itself, it will be treated either as HTML,
                    // text or binary here below
                    final String msg = "Request for URI '"
                        + method.getURI().toString()
                        + "' Could not parse http response content as XML (will try html, text or fallback to binary): "
                        + se.getMessage();
                    if(logger.isDebugEnabled()) {
                        logger.debug(msg, se);
                    } else {
                        logger.info(msg);
                    }
                } catch(final IOException ioe) {
                    final String msg = "Request for URI '" + method.getURI().toString() + "' Could not read http response content: " + ioe.getMessage();
                    logger.error(msg, ioe);
                    throw new XPathException(msg, ioe);
                }


                if(responseNode == null) {
                    //response is NOT parseable as XML


                    //is it a html document?
                    if(responseMimeType.getName().equals(MimeType.HTML_TYPE.getName())) {


                        //html document
                        try {


                            //reset the stream to the start, as we need to reuse since attempting to parse to XML
                            cfis.reset();


                            //parse html to xml(html)
                            
                            //we have to use CloseShieldInputStream otherwise the parser closes the stream and we cant later reread
                            final InputStream shieldedInputStream = new CloseShieldInputStream(cfis);
                            
                            responseNode = (NodeImpl)ModuleUtils.htmlToXHtml(context, method.getURI().toString(), new InputSource(shieldedInputStream), parserFeatures, parserProperties).getDocumentElement();
                            builder.addAttribute(new QName("type", null, null), "xhtml" );
                            responseNode.copyTo(null, new DocumentBuilderReceiver(builder));
                        } catch(final URIException ue) {
                            throw new XPathException(this, ue.getMessage(), ue);
                        } catch(final SAXException se) {
                            //could not parse to xml(html)
                            logger.debug("Could not parse http response content from HTML to XML: " + se.getMessage(), se);

View Full Code Here

            final InputSource src = new InputSource(new CloseShieldInputStream(is));


            reader = getBrokerPool().getParserPool().borrowXMLReader();
            final MemTreeBuilder builder = new MemTreeBuilder();
            builder.startDocument();
            final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder, true);
            reader.setContentHandler(receiver);
            reader.setProperty("http://xml.org/sax/properties/lexical-handler", receiver);
            reader.parse(src);
            builder.endDocument();
            final Document doc = receiver.getDocument();


            result = (DocumentImpl)doc;
        } catch(final SAXException saxe) {
            //do nothing, we will default to trying to return a string below
        } catch(final IOException ioe) {

View Full Code Here

                }


                context.pushDocumentContext();
                try {
                    MemTreeBuilder builder = context.getDocumentBuilder();
                    DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder);
                    result = (NodeValue)indexWorker.streamGeometryToElement(geometry, targetSRS, receiver);
                } finally {
                    context.popDocumentContext();
                }
            }

View Full Code Here

            context.popDocumentContext();
        }
        
    // create the output
    MemTreeBuilder builder = context.getDocumentBuilder();
    DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder);    
    try {
      SequenceIterator i = result.iterate();
      Item next = i.nextItem();    
      StringBuilder buf = null;
            boolean allowAttribs = true;
            while (next != null) {
          context.proceed(this, builder);
        // if item is an atomic value, collect the string values of all
        // following atomic values and seperate them by a space. 
        if (Type.subTypeOf(next.getType(), Type.ATOMIC)) {
            if(buf == null)
                buf = new StringBuilder();
          else if (buf.length() > 0)
            buf.append(' ');
          buf.append(next.getStringValue());
                    allowAttribs = false;
                    next = i.nextItem();            // if item is a node, flush any collected character data and
        //  copy the node to the target doc. 
        } else if (Type.subTypeOf(next.getType(), Type.NODE)) {
                    if (buf != null && buf.length() > 0) {
            receiver.characters(buf);
            buf.setLength(0);
          }
                    if (next.getType() == Type.ATTRIBUTE && !allowAttribs)
                        throw new XPathException(this, "XQTY0024: An attribute may not appear after " +
                            "another child node.");
                    next.copyTo(context.getBroker(), receiver);
                    allowAttribs = next.getType() == Type.ATTRIBUTE;
                    next = i.nextItem();
        }
            }
      // flush remaining character data
      if (buf != null && buf.length() > 0)
        receiver.characters(buf);
    } catch (SAXException e) {
        LOG.warn("SAXException during serialization: " + e.getMessage(), e);
            throw new XPathException(this, e.getMessage());
      //throw new XPathException(getASTNode(),
      //  "Encountered SAX exception while serializing enclosed expression: "

View Full Code Here

        // is argument the empty sequence?
        if (args[0].isEmpty()) {
            return Sequence.EMPTY_SEQUENCE;
        }


        DocumentBuilderReceiver builder = new DocumentBuilderReceiver();
        ContentExtraction ce = new ContentExtraction();


        if (isCalledAs("stream-content")) {


            /* binary content */
            BinaryValue binary = (BinaryValue) args[0].itemAt(0);


            /* callback function */
            FunctionReference ref = (FunctionReference) args[2].itemAt(0);


            Map<String, String> mappings = new HashMap<>();
            if (args[3].hasOne()) {
                NodeValue namespaces = (NodeValue) args[3].itemAt(0);
                parseMappings(namespaces, mappings);
            }


            return streamContent(ce, binary, args[1], ref, mappings, args[4]);


        } else {


            try {
                if (isCalledAs("get-metadata")) {
                    ce.extractMetadata((BinaryValue) args[0].itemAt(0), (ContentHandler) builder);


                } else {
                    ce.extractContentAndMetadata((BinaryValue) args[0].itemAt(0), (ContentHandler) builder);
                }


                return (NodeValue) builder.getDocument();


            } catch (IOException | SAXException | ContentExtractionException ex) {
                LOG.error(ex.getMessage(), ex);
                throw new XPathException(this, ex.getMessage(), ex);

View Full Code Here

                // Store old fragment in stack
                context.pushDocumentContext();
                
                // Create new receiver
                MemTreeBuilder memBuilder = context.getDocumentBuilder();
                docBuilderReceiver = new DocumentBuilderReceiver(memBuilder);
                
                // Switch on retrievel
                sendDataToCB=true;
            }       
        }

View Full Code Here

            context.popDocumentContext();
        }
        
    // create the output
    MemTreeBuilder builder = context.getDocumentBuilder();
    DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder);    
    try {
      SequenceIterator i = result.iterate();
      Item next = i.nextItem();    
      StringBuilder buf = null;
            boolean allowAttribs = true;
            while (next != null) {
          context.proceed(this, builder);
        // if item is an atomic value, collect the string values of all
        // following atomic values and seperate them by a space. 
        if (Type.subTypeOf(next.getType(), Type.ATOMIC)) {
            if(buf == null)
                buf = new StringBuilder();
          else if (buf.length() > 0)
            buf.append(' ');
          buf.append(next.getStringValue());
                    allowAttribs = false;
                    next = i.nextItem();            // if item is a node, flush any collected character data and
        //  copy the node to the target doc. 
        } else if (Type.subTypeOf(next.getType(), Type.NODE)) {
                    if (buf != null && buf.length() > 0) {
            receiver.characters(buf);
            buf.setLength(0);
          }
                    if (next.getType() == Type.ATTRIBUTE && !allowAttribs)
                        throw new XPathException(this, "XQTY0024: An attribute may not appear after " +
                            "another child node.");
                    next.copyTo(context.getBroker(), receiver);
                    allowAttribs = next.getType() == Type.ATTRIBUTE;
                    next = i.nextItem();
        }
            }
      // flush remaining character data
      if (buf != null && buf.length() > 0)
        receiver.characters(buf);
    } catch (SAXException e) {
        LOG.warn("SAXException during serialization: " + e.getMessage(), e);
            throw new XPathException(this, e.getMessage());
      //throw new XPathException(getASTNode(),
      //  "Encountered SAX exception while serializing enclosed expression: "

View Full Code Here

0 1 2

TOP

Related Classes of org.exist.memtree.DocumentBuilderReceiver

org.exist.contentextraction.ContentReceiver

org.exist.contentextraction.xquery.ContentFunctions

org.exist.extensions.exquery.restxq.impl.RestXqServiceImpl

org.exist.http.SOAPServer$XQWSDescription

org.exist.versioning.xquery.DiffFunction

org.exist.versioning.xquery.PatchFunction

org.exist.xqj.Marshaller

org.exist.xquery.DocumentConstructor

org.exist.xquery.EnclosedExpr

org.exist.xquery.functions.fn.FunSerialize

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.