Example usage for org.w3c.dom DocumentFragment getFirstChild

Introduction

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

Prototype

public Node getFirstChild();

Source Link

Document

The first child of this node.

Usage

From source file:org.structr.web.entity.dom.DOMNode.java

@Override
public Node replaceChild(final Node newChild, final Node oldChild) throws DOMException {

    checkWriteAccess();//from  w w w. ja  v  a  2  s  .co m

    checkSameDocument(newChild);
    checkSameDocument(oldChild);

    checkHierarchy(newChild);
    checkHierarchy(oldChild);

    if (newChild instanceof DocumentFragment) {

        // When inserting document fragments, we must take
        // care of the special case that the nodes already
        // have a NEXT_LIST_ENTRY relationship coming from
        // the document fragment, so we must first remove
        // the node from the document fragment and then
        // add it to the new parent.
        // replace indirectly using insertBefore and remove
        final DocumentFragment fragment = (DocumentFragment) newChild;
        Node currentChild = fragment.getFirstChild();

        while (currentChild != null) {

            // save next child in fragment list for later use
            final Node savedNextChild = currentChild.getNextSibling();

            // remove child from document fragment
            fragment.removeChild(currentChild);

            // add child to new parent
            insertBefore(currentChild, oldChild);

            // next
            currentChild = savedNextChild;
        }

        // finally, remove reference element
        removeChild(oldChild);

    } else {

        Node _parent = newChild.getParentNode();
        if (_parent != null && _parent instanceof DOMNode) {

            _parent.removeChild(newChild);
        }

        try {
            // replace directly
            treeReplaceChild((DOMNode) newChild, (DOMNode) oldChild);

        } catch (FrameworkException frex) {

            if (frex.getStatus() == 404) {

                throw new DOMException(DOMException.NOT_FOUND_ERR, frex.getMessage());

            } else {

                throw new DOMException(DOMException.INVALID_STATE_ERR, frex.getMessage());
            }
        }

        // allow parent to set properties in new child
        handleNewChild(newChild);
    }

    return oldChild;
}

---

From source file:org.structr.web.entity.dom.DOMNode.java

@Override
public Node appendChild(final Node newChild) throws DOMException {

    checkWriteAccess();/*from   w  ww.j  a  v a2s .c o  m*/
    checkSameDocument(newChild);
    checkHierarchy(newChild);

    try {

        if (newChild instanceof DocumentFragment) {

            // When inserting document fragments, we must take
            // care of the special case that the nodes already
            // have a NEXT_LIST_ENTRY relationship coming from
            // the document fragment, so we must first remove
            // the node from the document fragment and then
            // add it to the new parent.
            // replace indirectly using insertBefore and remove
            final DocumentFragment fragment = (DocumentFragment) newChild;
            Node currentChild = fragment.getFirstChild();

            while (currentChild != null) {

                // save next child in fragment list for later use
                final Node savedNextChild = currentChild.getNextSibling();

                // remove child from document fragment
                fragment.removeChild(currentChild);

                // append child to new parent
                appendChild(currentChild);

                // next
                currentChild = savedNextChild;
            }

        } else {

            final Node _parent = newChild.getParentNode();

            if (_parent != null && _parent instanceof DOMNode) {
                _parent.removeChild(newChild);
            }

            treeAppendChild((DOMNode) newChild);

            // allow parent to set properties in new child
            handleNewChild(newChild);
        }

    } catch (FrameworkException fex) {

        throw new DOMException(DOMException.INVALID_STATE_ERR, fex.toString());
    }

    return newChild;
}

---

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