Examples of net.sf.saxon.s9api.XdmNode

net.sf.saxon.s9api.XdmNode
This class represents a node in the XDM data model. A Node is an {@link XdmItem}, and is therefore an {@link XdmValue} in its own right, and may also participate as one item within a sequence value.

An XdmNode is implemented as a wrapper around an object of type {@link net.sf.saxon.om.NodeInfo}. Because this is a key interface within Saxon, it is exposed via this API.

The XdmNode interface exposes basic properties of the node, such as its name, its string value, and its typed value. Navigation to other nodes is supported through a single method, {@link #axisIterator}, which allows other nodes to be retrieved by following any of the XPath axes.

Note that node identity cannot be inferred from object identity. The same node may be represented by different XdmNode instances at different times, or even at the same time. The equals() method on this class can be used to test for node identity.
@since 9.0

                if (charset == null) { charset = "utf-8"; }


                // Make sure it's all characters
                XdmSequenceIterator iter = body.axisIterator(Axis.CHILD);
                while (iter.hasNext()) {
                    XdmNode node = (XdmNode) iter.next();
                    if (node.getNodeKind() != XdmNodeKind.TEXT) {
                        throw XProcException.stepError(28);
                    }
                }


                String escapedContent = decodeBase64(body, charset);
                StringWriter writer = new StringWriter();
                writer.write(escapedContent);
                writer.close();
                postContent = writer.toString();
            } else {
                if (jsonContentType(contentType)) {
                    postContent = XMLtoJSON.convert(body);
                } else if (xmlContentType(contentType)) {
                    Serializer serializer = makeSerializer();


                    try {
                        S9apiUtils.assertDocumentContent(body.axisIterator(Axis.CHILD));
                    } catch (XProcException xe) {
                        throw XProcException.stepError(22);
                    }


                    Vector<XdmNode> content = new Vector<XdmNode> ();
                    XdmSequenceIterator iter = body.axisIterator(Axis.CHILD);
                    while (iter.hasNext()) {
                        XdmNode node = (XdmNode) iter.next();
                        content.add(node);
                    }


                    // FIXME: set serializer properties appropriately!
                    StringWriter writer = new StringWriter();
                    serializer.setOutputWriter(writer);
                    S9apiUtils.serialize(runtime, content, serializer);
                    writer.close();
                    postContent = writer.toString();
                } else {
                    StringWriter writer = new StringWriter();
                    XdmSequenceIterator iter = body.axisIterator(Axis.CHILD);
                    while (iter.hasNext()) {
                        XdmNode node = (XdmNode) iter.next();
                        if (node.getNodeKind() != XdmNodeKind.TEXT) {
                            throw XProcException.stepError(28);
                        }
                        writer.write(node.getStringValue());
                    }
                    writer.close();
                    postContent = writer.toString();
                }
            }

View Full Code Here

        String email_name = null;
        String email_addr = null;


        XdmSequenceIterator iter = address.axisIterator(Axis.CHILD);
        while (iter.hasNext()) {
            XdmNode addr = (XdmNode) iter.next();
            if (!addr.getNodeKind().equals(XdmNodeKind.ELEMENT)) {
                continue;
            }
            if (em_name.equals(addr.getNodeName())) {
                email_name = addr.getStringValue();
            } else if (em_adrs.equals(addr.getNodeName())) {
                email_addr = addr.getStringValue();
            } else {
                throw new XProcException("Only <em:name> and <em:adrs> are supported in " + address.getNodeName());
            }
        }

View Full Code Here

                    Serializer serializer = makeSerializer();


                    Vector<XdmNode> content = new Vector<XdmNode> ();
                    XdmSequenceIterator iter = body.axisIterator(Axis.CHILD);
                    while (iter.hasNext()) {
                        XdmNode node = (XdmNode) iter.next();
                        content.add(node);
                    }


                    // FIXME: set serializer properties appropriately!
                    StringWriter writer = new StringWriter();
                    serializer.setOutputWriter(writer);
                    S9apiUtils.serialize(runtime, content, serializer);
                    writer.close();
                    //postContent += writer.toString();
                    byteContent.append(writer.toString());
                } else if (jsonContentType(contentType)) {
                    byteContent.append(XMLtoJSON.convert(body));
                } else if (!encodeBinary && "base64".equals(bodyEncoding)) {
                    byte[] decoded = Base64.decode(body.getStringValue());
                    byteContent.append(decoded, decoded.length);
                } else {
                    StringWriter writer = new StringWriter();
                    XdmSequenceIterator iter = body.axisIterator(Axis.CHILD);
                    while (iter.hasNext()) {
                        XdmNode node = (XdmNode) iter.next();
                        if (node.getNodeKind() != XdmNodeKind.TEXT) {
                            throw XProcException.stepError(28);
                        }
                        writer.write(node.getStringValue());
                    }
                    writer.close();
                    //postContent += writer.toString();
                    byteContent.append(writer.toString());
                }

View Full Code Here

                len = reader.read(buf, 0, bufSize);
            }
        } else if (jsonContentType(contentType)) {
            InputStreamReader reader = new InputStreamReader(bodyStream);
            JSONTokener jt = new JSONTokener(reader);
            XdmNode jsonDoc = JSONtoXML.convert(runtime.getProcessor(), jt, runtime.jsonFlavor());
            tree.addSubtree(jsonDoc);
        } else {
            // Read it as binary
            byte bytes[] = new byte[bufSize];
            int pos = 0;

View Full Code Here


    private String extractText(XdmNode doc) {
        String content = "";
        XdmSequenceIterator iter = doc.axisIterator(Axis.CHILD);
        while (iter.hasNext()) {
            XdmNode child = (XdmNode) iter.next();
            if (child.getNodeKind() == XdmNodeKind.ELEMENT || child.getNodeKind() == XdmNodeKind.TEXT) {
                content += child.getStringValue();
            }
        }
        return content;
    }

View Full Code Here

        writer.startContent();
        writer.addText(message);
        writer.addEndElement();
        writer.endDocument();


        XdmNode node = writer.getResult();


        return runtime.getXProcData().catchError(node);
    }

View Full Code Here

                            tree.addEndElement();
                        }


                        tree.endDocument();


                        XdmNode doc = tree.getResult();
                        result.write(doc);
                    } catch (SaxonApiException sae) {
                        throw new XProcException(sae);
                    }
                }

View Full Code Here

        String cmethod = getOption(_compression_method, "gzip");
        if (!"gzip".equals(cmethod)) {
            throw XProcException.stepError(999, "The only compression method supported is 'gzip'.");
        }


        XdmNode root = S9apiUtils.getDocumentElement(source.read());
        byte[] decoded = null;


        // N.B. The Base64.decode() method *automatically* expands gzipped data!
        if ("base64".equals(root.getAttributeValue(_encoding))) {
            decoded = Base64.decode(root.getStringValue());
        } else {
            throw XProcException.stepError(999, "Input to cx:gunzip must be binary encoded data.");
        }


        try {
            ByteArrayInputStream bais = new ByteArrayInputStream(decoded);
            InputSource is = new InputSource(bais);
            XdmNode doc = runtime.parse(is);
            result.write(doc);
        } catch (Exception e) {
            throw new XProcException(e);
        }
    }

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            try {
                InputStream instream = getClass().getResourceAsStream("/etc/prettyprint.xsl");
                if (instream == null) {
                    throw new UnsupportedOperationException("Failed to load prettyprint.xsl stylesheet from resources.");
                }
                XdmNode ppd = runtime.parse(new InputSource(instream));
                prettyPrint = S9apiUtils.getDocumentElement(ppd);
            } catch (Exception e) {
                throw new XProcException(e);
            }
        }

View Full Code Here


        serializer.setOutputStream(stream);
        transformer.setDestination(serializer);
        transformer.transform();


        XdmNode output = runtime.parse(new InputSource(new ByteArrayInputStream(stream.toByteArray())));
        result.write(output);
    }

View Full Code Here

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