Examples with DocumentBuilderFactory javax.xml.parsers.DocumentBuilderFactory used on opensource projects

Example 56 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project qi4j-sdk by Qi4j.

the class RssReaderTest method testReadRssFeed.

@Test
public void testReadRssFeed() {
    Client client = new Client(Protocol.HTTPS);
    Reference ref = new Reference("https://github.com/Qi4j/qi4j-sdk/commits/develop.atom");
    ContextResourceClientFactory contextResourceClientFactory = module.newObject(ContextResourceClientFactory.class, client);
    contextResourceClientFactory.registerResponseReader(new ResponseReader() {

        @Override
        public Object readResponse(Response response, Class<?> resultType) throws ResourceException {
            if (resultType.equals(Document.class)) {
                try {
                    DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
                    documentBuilderFactory.setNamespaceAware(false);
                    return documentBuilderFactory.newDocumentBuilder().parse(response.getEntity().getStream());
                } catch (Exception e) {
                    throw new ResourceException(e);
                }
            }
            return null;
        }
    });
    contextResourceClientFactory.setErrorHandler(new ErrorHandler().onError(ErrorHandler.RECOVERABLE_ERROR, new ResponseHandler() {

        @Override
        public HandlerCommand handleResponse(Response response, ContextResourceClient client) {
            System.out.println(">> REFRESH on recoverable error: " + response.getStatus());
            return refresh();
        }
    }));
    crc = contextResourceClientFactory.newClient(ref);
    crc.onResource(new ResultHandler<Document>() {

        Iterator<Node> itemNodes;

        @Override
        public HandlerCommand handleResult(Document result, ContextResourceClient client) {
            try {
                final XPath xPath = XPathFactory.newInstance().newXPath();
                System.out.println("== " + xPath.evaluate("feed/title", result) + " ==");
                final NodeList nodes = (NodeList) xPath.evaluate("feed/entry", result, XPathConstants.NODESET);
                List<Node> items = new ArrayList<>();
                for (int i = 0; i < nodes.getLength(); i++) {
                    items.add(nodes.item(i));
                }
                itemNodes = items.iterator();
                return processEntry(xPath);
            } catch (XPathExpressionException e) {
                throw new ResourceException(e);
            }
        }

        private HandlerCommand processEntry(final XPath xPath) throws XPathExpressionException {
            if (!itemNodes.hasNext()) {
                return null;
            }
            Node item = itemNodes.next();
            String title = xPath.evaluate("title", item);
            String detailUrl = xPath.evaluate("link/@href", item);
            System.out.println("-- " + title + " --");
            System.out.println("-- " + detailUrl + " --");
            return processEntry(xPath);
        }
    });
    crc.start();
}

Example 57 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project tinker by Tencent.

the class AndroidParser method parse.

private void parse() throws ParserException {
    DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
    Document document;
    try {
        DocumentBuilder builder = builderFactory.newDocumentBuilder();
        document = builder.parse(new ByteArrayInputStream(xml.getBytes("UTF-8")));
        Node manifestNode = document.getElementsByTagName("manifest").item(0);
        NodeList nodes = manifestNode.getChildNodes();
        for (int i = 0; i < nodes.getLength(); i++) {
            Node node = nodes.item(i);
            String nodeName = node.getNodeName();
            if (nodeName.equals("application")) {
                NodeList children = node.getChildNodes();
                for (int j = 0; j < children.getLength(); j++) {
                    Node child = children.item(j);
                    String childName = child.getNodeName();
                    switch(childName) {
                        case "service":
                            services.add(getAndroidComponent(child, TYPE_SERVICE));
                            break;
                        case "activity":
                            activities.add(getAndroidComponent(child, TYPE_ACTIVITY));
                            break;
                        case "receiver":
                            receivers.add(getAndroidComponent(child, TYPE_BROADCAST_RECEIVER));
                            break;
                        case "provider":
                            providers.add(getAndroidComponent(child, TYPE_CONTENT_PROVIDER));
                            break;
                        case "meta-data":
                            NamedNodeMap attributes = child.getAttributes();
                            metaDatas.put(getAttribute(attributes, "android:name"), getAttribute(attributes, "android:value"));
                            break;
                    }
                }
            }
        }
    } catch (Exception e) {
        throw new ParserException("Error parsing AndroidManifest.xml", e);
    }
}

Example 58 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project tinker by Tencent.

the class JavaXmlUtil method getDocumentBuilder.

/**
     * get document builder
     *
     * @return DocumentBuilder
     */
private static DocumentBuilder getDocumentBuilder() {
    DocumentBuilder documentBuilder = null;
    DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    try {
        documentBuilder = documentBuilderFactory.newDocumentBuilder();
    } catch (Exception e) {
        throw new JavaXmlUtilException(e);
    }
    return documentBuilder;
}

Example 59 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project malmo by Microsoft.

the class SchemaHelper method getRootNodeName.

/** Retrieve the name of the root node in an XML string.
     * @param xml The XML string to parse.
     * @return The name of the root node, or null if parsing failed.
     */
public static String getRootNodeName(String xml) {
    String rootNodeName = null;
    try {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setExpandEntityReferences(false);
        DocumentBuilder dBuilder = dbf.newDocumentBuilder();
        InputSource inputSource = new InputSource(new StringReader(xml));
        Document doc = dBuilder.parse(inputSource);
        doc.getDocumentElement().normalize();
        rootNodeName = doc.getDocumentElement().getNodeName();
    } catch (SAXException e) {
        System.out.println("SAX exception: " + e);
    } catch (IOException e) {
        System.out.println("IO exception: " + e);
    } catch (ParserConfigurationException e) {
        System.out.println("ParserConfiguration exception: " + e);
    }
    return rootNodeName;
}

Example 60 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project Mycat-Server by MyCATApache.

the class FirewallConfig method updateToFile.

public static synchronized void updateToFile(String host, List<UserConfig> userConfigs) throws Exception {
    LOGGER.debug("set white host:" + host + "user:" + userConfigs);
    String filename = SystemConfig.getHomePath() + File.separator + "conf" + File.separator + "server.xml";
    //String filename = "E:\\MyProject\\Mycat-Server\\src\\main\\resources\\server.xml";
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(false);
    factory.setValidating(false);
    DocumentBuilder builder = factory.newDocumentBuilder();
    builder.setEntityResolver(new IgnoreDTDEntityResolver());
    Document xmldoc = builder.parse(filename);
    Element whitehost = (Element) xmldoc.getElementsByTagName("whitehost").item(0);
    Element firewall = (Element) xmldoc.getElementsByTagName("firewall").item(0);
    if (firewall == null) {
        firewall = xmldoc.createElement("firewall");
        Element root = xmldoc.getDocumentElement();
        root.appendChild(firewall);
        if (whitehost == null) {
            whitehost = xmldoc.createElement("whitehost");
            firewall.appendChild(whitehost);
        }
    }
    for (UserConfig userConfig : userConfigs) {
        String user = userConfig.getName();
        Element hostEle = xmldoc.createElement("host");
        hostEle.setAttribute("host", host);
        hostEle.setAttribute("user", user);
        whitehost.appendChild(hostEle);
    }
    TransformerFactory factory2 = TransformerFactory.newInstance();
    Transformer former = factory2.newTransformer();
    String systemId = xmldoc.getDoctype().getSystemId();
    if (systemId != null) {
        former.setOutputProperty(javax.xml.transform.OutputKeys.DOCTYPE_SYSTEM, systemId);
    }
    former.transform(new DOMSource(xmldoc), new StreamResult(new File(filename)));
}