Example usage for org.w3c.dom Document getFirstChild

Introduction

In this page you can find the example usage for org.w3c.dom Document getFirstChild.

Prototype

public Node getFirstChild();

Source Link

Document

The first child of this node.

Usage

From source file:Main.java

public static Node getRoot(String documentAsString) {
    final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    try {// w  ww  .  j  av a  2 s. co  m
        final DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        final Document document = documentBuilder.parse(new InputSource(new StringReader(documentAsString)));
        return document.getFirstChild();
    } catch (ParserConfigurationException e) {
        throw new IllegalStateException(e);
    } catch (SAXException e) {
        throw new IllegalArgumentException(e);
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
}

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From source file:Main.java

public static Node parseXML(String text) throws SAXException, ParserConfigurationException, IOException {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder parser = dbf.newDocumentBuilder();
    InputSource source = new InputSource(new StringReader(text));
    Document doc = parser.parse(source);
    if (doc == null) {
        throw new NullPointerException();
    }//www . j av a 2  s . c om

    return doc.getFirstChild();
}

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From source file:Main.java

public static Map<String, String> SimpleDocumentToMap(Document doc) {
    Map<String, String> simpleMap = new HashMap<String, String>();
    //trim off outter layer
    Node node = doc.getFirstChild();
    NodeList nList = node.getChildNodes();
    for (int i = 0; i < nList.getLength(); i++) {
        Node nNode = nList.item(i);
        if (nNode.getNodeType() == Node.ELEMENT_NODE) {
            Element eElement = (Element) nNode;
            if (eElement != null) {
                simpleMap.put(eElement.getTagName(), eElement.getTextContent());
            } // end if eelement
        } // end if nnode.getnodetype()
    } //end for int temp
    return simpleMap;
}

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From source file:Main.java

/**
 * Creates (only if necessary) and returns the element which is at the end of the specified
 * path.// ww w  . ja v a  2  s  . c o  m
 * @param doc the target document where the specified path should be created
 * @param path a dot separated string indicating the path to be created
 * @return the component at the end of the newly created path.
 */
public static Element createLastPathComponent(Document doc, String[] path) {
    Element parent = (Element) doc.getFirstChild();
    if (path == null || parent == null || doc == null)
        throw new IllegalArgumentException("Document parent and path must not be null");

    Element e = parent;
    for (int i = 0; i < path.length; i++) {
        Element newEl = getChildElementByTagName(e, path[i]);
        if (newEl == null) {
            newEl = doc.createElement(path[i]);
            e.appendChild(newEl);
        }
        e = newEl;
    }
    return e;
}

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From source file:Main.java

public static void stripDuplicateAttributes(Node node, Node parent) {

    // The output depends on the type of the node
    switch (node.getNodeType()) {
    case Node.DOCUMENT_NODE: {
        Document doc = (Document) node;
        Node child = doc.getFirstChild();
        while (child != null) {
            stripDuplicateAttributes(child, node);
            child = child.getNextSibling();
        }/*from   w  ww. jav a2  s. com*/
        break;
    }

    case Node.ELEMENT_NODE: {
        Element elt = (Element) node;
        NamedNodeMap attrs = elt.getAttributes();

        ArrayList nodesToRemove = new ArrayList();
        int nodesToRemoveNum = 0;

        for (int i = 0; i < attrs.getLength(); i++) {
            final Node a = attrs.item(i);

            for (int j = 0; j < attrs.getLength(); j++) {
                final Node b = attrs.item(j);

                //if there are two attributes with same name
                if (i != j && (a.getNodeName().equals(b.getNodeName()))) {
                    nodesToRemove.add(b);
                    nodesToRemoveNum++;
                }
            }
        }

        for (int i = 0; i < nodesToRemoveNum; i++) {
            Attr nodeToDelete = (Attr) nodesToRemove.get(i);
            Element nodeToDeleteParent = (Element) node; // nodeToDelete.getParentNode();
            nodeToDeleteParent.removeAttributeNode(nodeToDelete);
        }

        nodesToRemove.clear();

        Node child = elt.getFirstChild();
        while (child != null) {
            stripDuplicateAttributes(child, node);
            child = child.getNextSibling();
        }

        break;
    }

    default:
        //do nothing
        break;
    }
}

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From source file:Main.java

public static <T> Map<String, T> loadBeans(InputStream stream, Class<T> beanClass) throws SAXException,
        IOException, ParserConfigurationException, IntrospectionException, InstantiationException,
        IllegalAccessException, IllegalArgumentException, DOMException, InvocationTargetException {

    Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(stream);

    return loadBeans(document.getFirstChild(), beanClass);
}

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From source file:Main.java

/** @param doc an XML document.
 *   @return a string representing the stringified version of that document, with minor pretty-printing.
 */// w  ww. j ava 2 s .  c  o  m

public static String doc2String(Document doc) {
    //System.out.println("XMLUtils: converting doc to string");
    StringBuffer result = new StringBuffer();
    doc2String(doc.getFirstChild(), result, 0);
    return result.toString();
}

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From source file:org.datacleaner.util.http.HttpXmlUtils.java

public static Element getRootNode(HttpClient httpClient, String url) throws InvalidHttpResponseException {
    logger.info("getRootNode({})", url);
    try {/*  w  w w .j a v a  2  s. co m*/
        HttpGet method = new HttpGet(url);
        HttpResponse response = httpClient.execute(method);
        int statusCode = response.getStatusLine().getStatusCode();
        if (statusCode != 200) {
            logger.error("Response status code was: {} (url={})", statusCode, url);
            throw new InvalidHttpResponseException(url, response);
        }
        InputStream inputStream = response.getEntity().getContent();
        Document document = createDocumentBuilder().parse(inputStream);
        return (Element) document.getFirstChild();
    } catch (Exception e) {
        if (e instanceof RuntimeException) {
            throw (RuntimeException) e;
        }
        throw new IllegalStateException("Could not get root XML node of url=" + url, e);
    }
}

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From source file:ProcessorDemo.java

private static void readConfig(String confFile) {
    String parent = new File(confFile).getParentFile().getParent();
    try {//  ww  w  .jav a 2  s .c  o m
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document doc = builder.parse(new InputSource(confFile));
        NodeList nl = doc.getFirstChild().getChildNodes();

        for (int i = 0; i < nl.getLength(); i++) {
            org.w3c.dom.Node n = nl.item(i);
            if (n.getNodeType() == org.w3c.dom.Node.ELEMENT_NODE) {
                String nn = n.getNodeName();
                String value = n.getFirstChild().getNodeValue();

                if (nn.equals("composit")) {
                    compositRule += value + "\n";
                }
                if (nn.equals("compound")) {
                    if (value.equals("\u69cb\u6210\u8a9e")) {
                        isCompound = false;
                    }
                }
                if (nn.equals("remark")) {
                    remarkRule += value + "\n";
                }
                if (nn.equals("dictionary")) {
                    // read nested tag in <dictinary>
                    NodeList dnl = n.getChildNodes();
                    for (int j = 0; j < dnl.getLength(); j++) {
                        org.w3c.dom.Node dn = dnl.item(j);
                        if (dn.getNodeType() == org.w3c.dom.Node.ELEMENT_NODE) {

                            String dnn = dn.getNodeName();
                            if (dn.getFirstChild() == null) {
                                throw new IllegalArgumentException("element '" + dnn + "' is empty");
                            }
                            String dvalue = dn.getFirstChild().getNodeValue();

                            if (dnn.equals("compound")) {
                                compoundFile = SenUtils.getPath(dvalue, parent);
                            }
                        }
                    }
                }
            }
        }
        if (!isCompound) {
            try {
                ObjectInputStream is = new ObjectInputStream(new FileInputStream(compoundFile));
                HashMap hashmap = (HashMap) is.readObject();
            } catch (ClassNotFoundException e1) {
                throw new RuntimeException(e1);
            }
        }
    } catch (ParserConfigurationException e) {
        throw new IllegalArgumentException(e.getMessage());
    } catch (FileNotFoundException e) {
        throw new IllegalArgumentException(e.getMessage());
    } catch (SAXException e) {
        throw new IllegalArgumentException(e.getMessage());
    } catch (IOException e) {
        throw new IllegalArgumentException(e.getMessage());
    }
}

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From source file:de.ingrid.iplug.csw.dsc.TestUtil.java

private static CSWRecord getRecordNode(String id, ElementSetName elementSetName, CSWRecord record)
        throws Exception {

    File file = new File(
            dataFolder + "/" + FileUtils.encodeFileName(id) + "_" + elementSetName.toString() + ".xml");
    StringBuilder content = new StringBuilder();
    BufferedReader input = new BufferedReader(new FileReader(file));
    try {//from   ww  w. ja v  a 2s.  c om
        String line = null;
        while ((line = input.readLine()) != null) {
            content.append(line);
            content.append(System.getProperty("line.separator"));
        }
        input.close();
        input = null;

        Document document = StringUtils.stringToDocument(content.toString());
        record.initialize(elementSetName, document.getFirstChild());
        return record;
    } finally {
        if (input != null)
            input.close();
    }
}

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