Example usage for org.w3c.dom Node COMMENT_NODE

Introduction

In this page you can find the example usage for org.w3c.dom Node COMMENT_NODE.

Prototype

short COMMENT_NODE

To view the source code for org.w3c.dom Node COMMENT_NODE.

Click Source Link

Document

The node is a Comment.

Usage

From source file:Main.java

/**
 * based on the following quote from public Java5 javadoc of org.w3c.dom.Node.getTextContent method:
 * /* www.  ja v  a  2 s  .  c  om*/
 * "concatenation of the textContent attribute value of every child node, excluding COMMENT_NODE and
 * PROCESSING_INSTRUCTION_NODE nodes. This is the empty string if the node has no children"
 */
private static String mergeTextContent(NodeList nodes) {
    StringBuffer buf = new StringBuffer();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node n = nodes.item(i);
        final String text;

        switch (n.getNodeType()) {
        case Node.COMMENT_NODE:
        case Node.PROCESSING_INSTRUCTION_NODE:
            text = null;
            break;
        default:
            text = getTextContent(n);
            break;
        }

        if (text != null) {
            buf.append(text);
        }
    }
    return buf.toString();
}

---

From source file:Main.java

public String getNodeType(Node node) {
    String type;/*from ww  w  . j av  a2s  .  c  om*/

    switch (node.getNodeType()) {
    case Node.ELEMENT_NODE: {
        type = "Element";
        break;
    }
    case Node.ATTRIBUTE_NODE: {
        type = "Attribute";
        break;
    }
    case Node.TEXT_NODE: {
        type = "Text";
        break;
    }
    case Node.CDATA_SECTION_NODE: {
        type = "CData section";
        break;
    }
    case Node.ENTITY_REFERENCE_NODE: {
        type = "Entity reference";
        break;
    }
    case Node.ENTITY_NODE: {
        type = "Entity";
        break;
    }
    case Node.PROCESSING_INSTRUCTION_NODE: {
        type = "Processing instruction";
        break;
    }
    case Node.COMMENT_NODE: {
        type = "Comment";
        break;
    }
    case Node.DOCUMENT_NODE: {
        type = "Document";
        break;
    }
    case Node.DOCUMENT_TYPE_NODE: {
        type = "Document type";
        break;
    }
    case Node.DOCUMENT_FRAGMENT_NODE: {
        type = "Document fragment";
        break;
    }
    case Node.NOTATION_NODE: {
        type = "Notation";
        break;
    }
    default: {
        type = "???";
        break;
    }
    }
    return type;
}

---

From source file:Main.java

private static String prettyPrintDom(Node node, String indent, boolean isRoot, boolean escapeStrings) {
    String ret = "";
    switch (node.getNodeType()) {

    case Node.DOCUMENT_NODE:
        // recurse on each child
        NodeList nodes = node.getChildNodes();
        if (nodes != null) {
            for (int i = 0; i < nodes.getLength(); i++) {
                ret += prettyPrintDom(nodes.item(i), indent, isRoot, escapeStrings);
            }// ww  w.  j a v a  2s .  c o m
        }
        break;

    case Node.ELEMENT_NODE:
        String name = node.getNodeName();
        ret += indent + "<" + name;
        NamedNodeMap attributes = node.getAttributes();
        for (int i = 0; i < attributes.getLength(); i++) {
            Node current = attributes.item(i);
            ret += " " + current.getNodeName() + "=\""
                    + ((escapeStrings) ? escapeStringForXML(current.getNodeValue()) : current.getNodeValue())
                    + "\"";
        }
        ret += ">";

        // recurse on each child
        NodeList children = node.getChildNodes();
        if (children != null) {
            for (int i = 0; i < children.getLength(); i++) {
                String tmp = prettyPrintDom(children.item(i), indent + ((isRoot) ? "" : BI), false,
                        escapeStrings);
                if (!tmp.replaceAll("[\\s]+", "").equals(""))
                    if (tmp.endsWith("\n"))
                        if (ret.endsWith("\n"))
                            ret += tmp;
                        else
                            ret += "\n" + tmp;
                    else
                        ret += tmp;
            }
        }
        if (ret.endsWith("\n"))
            ret += indent + "</" + name + ">\n";
        else
            ret += "</" + name + ">\n";
        break;

    case Node.TEXT_NODE:
        ret += (escapeStrings) ? escapeStringForXML(node.getNodeValue()) : node.getNodeValue();
        break;

    case Node.COMMENT_NODE:
        ret += "<!-- " + node.getNodeValue() + " -->";
        break;
    }
    return ret;
}

---

From source file:Main.java

/**
 * Clone given Node into target Document. If targe is null, same Document will be used.
 * If deep is specified, all children below will also be cloned.
 *///from   w w  w .  j a v  a  2s  .c  o  m
public final static Node cloneNode(Node node, Document target, boolean deep) throws DOMException {
    if ((target == null) || (node.getOwnerDocument() == target)) {
        // same Document
        return node.cloneNode(deep);
    } else {
        //DOM level 2 provides this in Document, so once xalan switches to that,
        //we can take out all the below and just call target.importNode(node, deep);
        //For now, we implement based on the javadocs for importNode
        Node newNode;
        int nodeType = node.getNodeType();

        switch (nodeType) {
        case Node.ATTRIBUTE_NODE:
            newNode = target.createAttribute(node.getNodeName());

            break;

        case Node.DOCUMENT_FRAGMENT_NODE:
            newNode = target.createDocumentFragment();

            break;

        case Node.ELEMENT_NODE:

            Element newElement = target.createElement(node.getNodeName());
            NamedNodeMap nodeAttr = node.getAttributes();

            if (nodeAttr != null) {
                for (int i = 0; i < nodeAttr.getLength(); i++) {
                    Attr attr = (Attr) nodeAttr.item(i);

                    if (attr.getSpecified()) {
                        Attr newAttr = (Attr) cloneNode(attr, target, true);
                        newElement.setAttributeNode(newAttr);
                    }
                }
            }

            newNode = newElement;

            break;

        case Node.ENTITY_REFERENCE_NODE:
            newNode = target.createEntityReference(node.getNodeName());

            break;

        case Node.PROCESSING_INSTRUCTION_NODE:
            newNode = target.createProcessingInstruction(node.getNodeName(), node.getNodeValue());

            break;

        case Node.TEXT_NODE:
            newNode = target.createTextNode(node.getNodeValue());

            break;

        case Node.CDATA_SECTION_NODE:
            newNode = target.createCDATASection(node.getNodeValue());

            break;

        case Node.COMMENT_NODE:
            newNode = target.createComment(node.getNodeValue());

            break;

        case Node.NOTATION_NODE:
        case Node.ENTITY_NODE:
        case Node.DOCUMENT_TYPE_NODE:
        case Node.DOCUMENT_NODE:
        default:
            throw new IllegalArgumentException("Importing of " + node + " not supported yet");
        }

        if (deep) {
            for (Node child = node.getFirstChild(); child != null; child = child.getNextSibling()) {
                newNode.appendChild(cloneNode(child, target, true));
            }
        }

        return newNode;
    }
}

---

From source file:Main.java

/**
 * Recursively find the comments within a node, and add them to a supplied (not null) List)
 * /*from ww w.j a va 2 s .c  om*/
 * @param node
 *          Node in which to search for comments
 * @param commentList
 *          List of comments which it will add to.
 */
private static void getComments(Node node, List commentList) {
    // if (commentList==null) throw new IllegalArgumentException ("list may not be null");
    if (node != null) {
        if (Node.COMMENT_NODE == node.getNodeType()) { // Comment - add it
            commentList.add(node);
        } else {
            // Ignore
        }
        // Now recursively traverse the tree under this node.
        NodeList children = node.getChildNodes();
        if (children != null) { // Now need to do each child in turn.
            for (int i = 0; i < children.getLength(); i++) {
                getComments(children.item(i), commentList);
            }
        }
    }
}

---

From source file:Main.java

private static boolean checkNodeTypes(Node childNode) {
    short nodeType = childNode.getNodeType();
    if (nodeType == Node.ELEMENT_NODE) {
        cleanEmptyTextNodes(childNode); // recurse into subtree
    }/*from ww  w.  j  a va  2s  .  c  o m*/
    if (nodeType == Node.ELEMENT_NODE || nodeType == Node.CDATA_SECTION_NODE || nodeType == Node.COMMENT_NODE) {
        return true;
    } else {
        return false;
    }
}

---

From source file:Main.java

/**
 * The method inserts end-of-line+indentation Text nodes where indentation is necessary.
 *
 * @param node - node to be pretty formatted
 * @param identLevel - initial indentation level of the node
 * @param ident - additional indentation inside the node
 *//*  ww  w .jav  a2  s .c  o  m*/
private static void prettyFormat(Node node, String identLevel, String ident) {
    NodeList nodelist = node.getChildNodes();
    int iStart = 0;
    Node item = nodelist.item(0);
    if (item != null) {
        short type = item.getNodeType();
        if (type == Node.ELEMENT_NODE || type == Node.COMMENT_NODE) {
            Node newChild = node.getOwnerDocument().createTextNode(EOL_XML + identLevel + ident);
            node.insertBefore(newChild, item);
            iStart = 1;
        }
    }
    for (int i = iStart; i < nodelist.getLength(); i++) {
        item = nodelist.item(i);
        if (item != null) {
            short type = item.getNodeType();
            if (type == Node.TEXT_NODE && item.getNodeValue().trim().length() == 0) {
                if (i + 1 < nodelist.getLength()) {
                    item.setNodeValue(EOL_XML + identLevel + ident);
                } else {
                    item.setNodeValue(EOL_XML + identLevel);
                }
            } else if (type == Node.ELEMENT_NODE) {
                prettyFormat(item, identLevel + ident, ident);
                if (i + 1 < nodelist.getLength()) {
                    Node nextItem = nodelist.item(i + 1);
                    if (nextItem != null) {
                        short nextType = nextItem.getNodeType();
                        if (nextType == Node.ELEMENT_NODE || nextType == Node.COMMENT_NODE) {
                            Node newChild = node.getOwnerDocument()
                                    .createTextNode(EOL_XML + identLevel + ident);
                            node.insertBefore(newChild, nextItem);
                            i++;
                            continue;
                        }
                    }
                } else {
                    Node newChild = node.getOwnerDocument().createTextNode(EOL_XML + identLevel);
                    node.appendChild(newChild);
                    i++;
                    continue;
                }
            }
        }
    }
}

---

From source file:Main.java

/**
 * Clone given Node into target Document. If targe is null, same Document will be used.
 * If deep is specified, all children below will also be cloned.
 *//*from   w  w w .  j av a2s . c om*/
public static Node cloneNode(Node node, Document target, boolean deep) throws DOMException {
    if (target == null || node.getOwnerDocument() == target)
        // same Document
        return node.cloneNode(deep);
    else {
        //DOM level 2 provides this in Document, so once xalan switches to that,
        //we can take out all the below and just call target.importNode(node, deep);
        //For now, we implement based on the javadocs for importNode
        Node newNode;
        int nodeType = node.getNodeType();

        switch (nodeType) {
        case Node.ATTRIBUTE_NODE:
            newNode = target.createAttribute(node.getNodeName());

            break;

        case Node.DOCUMENT_FRAGMENT_NODE:
            newNode = target.createDocumentFragment();

            break;

        case Node.ELEMENT_NODE:

            Element newElement = target.createElement(node.getNodeName());
            NamedNodeMap nodeAttr = node.getAttributes();

            if (nodeAttr != null)
                for (int i = 0; i < nodeAttr.getLength(); i++) {
                    Attr attr = (Attr) nodeAttr.item(i);

                    if (attr.getSpecified()) {
                        Attr newAttr = (Attr) cloneNode(attr, target, true);
                        newElement.setAttributeNode(newAttr);
                    }
                }

            newNode = newElement;

            break;

        case Node.ENTITY_REFERENCE_NODE:
            newNode = target.createEntityReference(node.getNodeName());

            break;

        case Node.PROCESSING_INSTRUCTION_NODE:
            newNode = target.createProcessingInstruction(node.getNodeName(), node.getNodeValue());

            break;

        case Node.TEXT_NODE:
            newNode = target.createTextNode(node.getNodeValue());

            break;

        case Node.CDATA_SECTION_NODE:
            newNode = target.createCDATASection(node.getNodeValue());

            break;

        case Node.COMMENT_NODE:
            newNode = target.createComment(node.getNodeValue());

            break;

        case Node.NOTATION_NODE:
        case Node.ENTITY_NODE:
        case Node.DOCUMENT_TYPE_NODE:
        case Node.DOCUMENT_NODE:
        default:
            throw new IllegalArgumentException("Importing of " + node + " not supported yet");
        }

        if (deep)
            for (Node child = node.getFirstChild(); child != null; child = child.getNextSibling())
                newNode.appendChild(cloneNode(child, target, true));

        return newNode;
    }
}

---

From source file:TreeDumper2.java

private void dumpLoop(Node node, String indent) {
    switch (node.getNodeType()) {
    case Node.ATTRIBUTE_NODE:
        dumpAttributeNode((Attr) node, indent);
        break;/*from  ww w. ja va 2s.c o m*/
    case Node.CDATA_SECTION_NODE:
        dumpCDATASectionNode((CDATASection) node, indent);
        break;
    case Node.COMMENT_NODE:
        dumpCommentNode((Comment) node, indent);
        break;
    case Node.DOCUMENT_NODE:
        dumpDocument((Document) node, indent);
        break;
    case Node.DOCUMENT_FRAGMENT_NODE:
        dumpDocumentFragment((DocumentFragment) node, indent);
        break;
    case Node.DOCUMENT_TYPE_NODE:
        dumpDocumentType((DocumentType) node, indent);
        break;
    case Node.ELEMENT_NODE:
        dumpElement((Element) node, indent);
        break;
    case Node.ENTITY_NODE:
        dumpEntityNode((Entity) node, indent);
        break;
    case Node.ENTITY_REFERENCE_NODE:
        dumpEntityReferenceNode((EntityReference) node, indent);
        break;
    case Node.NOTATION_NODE:
        dumpNotationNode((Notation) node, indent);
        break;
    case Node.PROCESSING_INSTRUCTION_NODE:
        dumpProcessingInstructionNode((ProcessingInstruction) node, indent);
        break;
    case Node.TEXT_NODE:
        dumpTextNode((Text) node, indent);
        break;
    default:
        System.out.println(indent + "Unknown node");
        break;
    }

    NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++)
        dumpLoop(list.item(i), indent + "   ");
}

---

From source file:Main.java

/**
 * @param node//from ww w. j  av  a  2 s . c  o m
 * @throws IOException
 */
public static void serializeNode(Node node) throws IOException {
    if (writer == null)
        writer = new BufferedWriter(new OutputStreamWriter(System.out));

    switch (node.getNodeType()) {
    case Node.DOCUMENT_NODE:
        Document doc = (Document) node;
        writer.write("<?xml version=\"");
        writer.write(doc.getXmlVersion());
        writer.write("\" encoding=\"UTF-8\" standalone=\"");
        if (doc.getXmlStandalone())
            writer.write("yes");
        else
            writer.write("no");
        writer.write("\"?>\n");

        NodeList nodes = node.getChildNodes();
        if (nodes != null)
            for (int i = 0; i < nodes.getLength(); i++)
                serializeNode(nodes.item(i));
        break;
    case Node.ELEMENT_NODE:
        String name = node.getNodeName();
        writer.write("<" + name);
        NamedNodeMap attributes = node.getAttributes();
        for (int i = 0; i < attributes.getLength(); i++) {
            Node current = attributes.item(i);
            writer.write(" " + current.getNodeName() + "=\"");
            print(current.getNodeValue());
            writer.write("\"");
        }
        writer.write(">");

        NodeList children = node.getChildNodes();
        if (children != null) {
            //if ((children.item(0) != null) && (children.item(0).getNodeType() == Node.ELEMENT_NODE))
            //  writer.write("\n");

            for (int i = 0; i < children.getLength(); i++)
                serializeNode(children.item(i));
            if ((children.item(0) != null)
                    && (children.item(children.getLength() - 1).getNodeType() == Node.ELEMENT_NODE))
                writer.write("");
        }

        writer.write("</" + name + ">");
        break;
    case Node.TEXT_NODE:
        print(node.getNodeValue());
        break;
    case Node.CDATA_SECTION_NODE:
        writer.write("CDATA");
        print(node.getNodeValue());
        writer.write("");
        break;
    case Node.COMMENT_NODE:
        writer.write("<!-- " + node.getNodeValue() + " -->\n");
        break;
    case Node.PROCESSING_INSTRUCTION_NODE:
        writer.write("<?" + node.getNodeName() + " " + node.getNodeValue() + "?>\n");
        break;
    case Node.ENTITY_REFERENCE_NODE:
        writer.write("&" + node.getNodeName() + ";");
        break;
    case Node.DOCUMENT_TYPE_NODE:
        DocumentType docType = (DocumentType) node;
        String publicId = docType.getPublicId();
        String systemId = docType.getSystemId();
        String internalSubset = docType.getInternalSubset();
        writer.write("<!DOCTYPE " + docType.getName());
        if (publicId != null)
            writer.write(" PUBLIC \"" + publicId + "\" ");
        else
            writer.write(" SYSTEM ");
        writer.write("\"" + systemId + "\"");
        if (internalSubset != null)
            writer.write(" [" + internalSubset + "]");
        writer.write(">\n");
        break;
    }
    writer.flush();
}

---

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