Examples of org.w3c.dom.Node.normalize()

org.w3c.dom.Node.normalize()
Puts all Text nodes in the full depth of the sub-tree underneath this Node , including attribute nodes, into a "normal" form where only markup (e.g., tags, comments, processing instructions, CDATA sections, and entity references) separates Text nodes, i.e., there are neither adjacent Text nodes nor empty Text nodes. This can be used to ensure that the DOM view of a document is the same as if it were saved and re-loaded, and is useful when operations (such as XPointer lookups) that depend on a particular document tree structure are to be used. In cases where the document contains CDATASections , the normalize operation alone may not be sufficient, since XPointers do not differentiate between Text nodes and CDATASection nodes. @since DOM Level 2

        if (!(xmlStructure instanceof javax.xml.crypto.dom.DOMStructure)) {
            throw new ClassCastException("xmlStructure must be of type DOMStructure");
        }
        Node node = 
            ((javax.xml.crypto.dom.DOMStructure) xmlStructure).getNode();
        node.normalize();


        Element element = null;
        if (node.getNodeType() == Node.DOCUMENT_NODE) {
            element = ((Document) node).getDocumentElement();
        } else if (node.getNodeType() == Node.ELEMENT_NODE) {

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        final Document doc = builder.getDocument();
        final DocumentFragment fragment = doc.createDocumentFragment();
        final Node root = doc.getDocumentElement();


        // Remove empty text nodes and collapse neighbouring text nodes
        root.normalize();


        // Move all nodes into the fragment
        boolean space = true;
        while (root.hasChildNodes()) {
            Node child = root.getFirstChild();

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            // Create Document Fragment, remove <root>
            final Document doc = builder.getDocument();
            frag = doc.createDocumentFragment();
            final Node root = doc.getDocumentElement().getFirstChild();
            root.normalize();
            if (removeRoot == false) {
                root.getParentNode().removeChild(root);
                frag.appendChild(root);
            } else {
                Node child;

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                for (int i = 0; i < childs.getLength(); i++) {
                    current = childs.item(i);


                    // only element nodes
                    if (current.getNodeType() == Node.ELEMENT_NODE) {
                        current.normalize();
                        NodeList valueChilds = current.getChildNodes();
                        String key;
                        StringBuffer valueBuffer;
                        String value;

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        if ( attributes!=null )
        {
            for( int i=0; i<attributes.getLength(); ++i )
            {
                Node attr = attributes.item(i);
                attr.normalize();
            }
        }


      // changed() will have occurred when the removeChild() was done,
      // so does not have to be reissued.

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        if (!(xmlStructure instanceof javax.xml.crypto.dom.DOMStructure)) {
            throw new ClassCastException("xmlStructure must be of type DOMStructure");
        }
        Node node = 
            ((javax.xml.crypto.dom.DOMStructure) xmlStructure).getNode();
        node.normalize();


        Element element = null;
        if (node.getNodeType() == Node.DOCUMENT_NODE) {
            element = ((Document) node).getDocumentElement();
        } else if (node.getNodeType() == Node.ELEMENT_NODE) {

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            // Create Document Fragment, remove <root>
            final Document doc = builder.getDocument();
            frag = doc.createDocumentFragment();
            final Node root = doc.getDocumentElement().getFirstChild();
            root.normalize();
            if (removeRoot == false) {
                root.getParentNode().removeChild(root);
                frag.appendChild(root);
            } else {
                Node child;

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                for (int i = 0; i < childs.getLength(); i++) {
                    current = childs.item(i);


                    // only element nodes
                    if (current.getNodeType() == Node.ELEMENT_NODE) {
                        current.normalize();
                        NodeList valueChilds = current.getChildNodes();
                        String key;
                        StringBuffer valueBuffer;
                        String value;

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        final Document doc = builder.getDocument();
        final DocumentFragment fragment = doc.createDocumentFragment();
        final Node root = doc.getDocumentElement();


        // Remove empty text nodes and collapse neighbouring text nodes
        root.normalize();


        // Move all nodes into the fragment
        boolean space = true;
        while (root.hasChildNodes()) {
            Node child = root.getFirstChild();

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        // Create Document Fragment
        final Document doc = builder.getDocument();
        final DocumentFragment recordedDocFrag = doc.createDocumentFragment();
        final Node root = doc.getDocumentElement();
        root.normalize();
        Node child;
        boolean appendedNode = false;
        while (root.hasChildNodes() == true) {
            child = root.getFirstChild();
            root.removeChild(child);

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