Java Code Examples for org.w3c.dom.Node#getOwnerDocument()

public SAX2DOM(Node root, Node nextSibling, boolean overrideDefaultParser)
        throws ParserConfigurationException {
    _root = root;
    if (root instanceof Document) {
      _document = (Document)root;
    }
    else if (root != null) {
      _document = root.getOwnerDocument();
    }
    else {
      _document = createDocument(overrideDefaultParser);
      _root = _document;
    }

    _nextSibling = nextSibling;
}
 

public void handle(Callback[] callbacks)
    throws IOException, UnsupportedCallbackException {
    for (int i = 0; i < callbacks.length; i++) {
        if (callbacks[i] instanceof DelegationCallback) {
            DelegationCallback callback = (DelegationCallback) callbacks[i];
            Message message = callback.getCurrentMessage();
            
            String username = 
                (String)message.getContextualProperty(SecurityConstants.USERNAME);
            if (username != null) {
                Node contentNode = message.getContent(Node.class);
                Document doc = null;
                if (contentNode != null) {
                    doc = contentNode.getOwnerDocument();
                } else {
                    doc = DOMUtils.createDocument();
                }
                UsernameToken usernameToken = createWSSEUsernameToken(username, doc);
                callback.setToken(usernameToken.getElement());
            }
        } else {
            throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback");
        }
    }
}
 

public SAX2DOM(Node root, Node nextSibling, boolean useServicesMechanism) throws ParserConfigurationException {
    _root = root;
    if (root instanceof Document) {
      _document = (Document)root;
    }
    else if (root != null) {
      _document = root.getOwnerDocument();
    }
    else {
      _document = createDocument(useServicesMechanism);
      _root = _document;
    }

    _nextSibling = nextSibling;
}
 

/**
 * Since we cache the docElement (and, currently, docType),
 * replaceChild has to update the cache
 *
 * REVISIT: According to the spec it is not allowed to alter neither the
 * document element nor the document type in any way
 */
public Node replaceChild(Node newChild, Node oldChild)
throws DOMException {

    // Adopt orphan doctypes
    if (newChild.getOwnerDocument() == null &&
    newChild instanceof DocumentTypeImpl) {
        ((DocumentTypeImpl) newChild).ownerDocument = this;
    }

    if (errorChecking &&((docType != null &&
        oldChild.getNodeType() != Node.DOCUMENT_TYPE_NODE &&
        newChild.getNodeType() == Node.DOCUMENT_TYPE_NODE)
        || (docElement != null &&
        oldChild.getNodeType() != Node.ELEMENT_NODE &&
        newChild.getNodeType() == Node.ELEMENT_NODE))) {

        throw new DOMException(
            DOMException.HIERARCHY_REQUEST_ERR,
            DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "HIERARCHY_REQUEST_ERR", null));
    }
    super.replaceChild(newChild, oldChild);

    int type = oldChild.getNodeType();
    if(type == Node.ELEMENT_NODE) {
        docElement = (ElementImpl)newChild;
    }
    else if (type == Node.DOCUMENT_TYPE_NODE) {
        docType = (DocumentTypeImpl)newChild;
    }
    return oldChild;
}
 

public void selectNodeContents(Node refNode)
    throws RangeException
{
    if (fDocument.errorChecking) {
        if( fDetach) {
            throw new DOMException(
                    DOMException.INVALID_STATE_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_STATE_ERR", null));
        }
        if ( !isLegalContainer(refNode)) {
            throw new RangeExceptionImpl(
                    RangeException.INVALID_NODE_TYPE_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_NODE_TYPE_ERR", null));
        }
        if ( fDocument != refNode.getOwnerDocument() && fDocument != refNode) {
            throw new DOMException(
                    DOMException.WRONG_DOCUMENT_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "WRONG_DOCUMENT_ERR", null));
        }
    }
    fStartContainer = refNode;
    fEndContainer = refNode;
    Node first = refNode.getFirstChild();
    fStartOffset = 0;
    if (first == null) {
        fEndOffset = 0;
    } else {
        int i = 0;
        for (Node n = first; n!=null; n = n.getNextSibling()) {
            i++;
        }
        fEndOffset = i;
    }

}
 

private String _getInputEncoding(Node node) {
    Document doc = (node.getNodeType() == Node.DOCUMENT_NODE)
            ? (Document) node : node.getOwnerDocument();
    if (doc != null) {
        try {
            return doc.getInputEncoding();
        } // The VM ran out of memory or there was some other serious problem. Re-throw.
        catch (VirtualMachineError | ThreadDeath vme) {
            throw vme;
        } // Ignore all other exceptions and errors
        catch (Throwable t) {
        }
    }
    return null;
}
 

/**
 * Checks if child element has same owner document before
 * appending to the parent, and imports it to the parent's document
 * if necessary.
 */
public static void appendChild(Node parent, Node child) {
    Document ownerDoc = getOwnerDocument(parent);
    if (child.getOwnerDocument() != ownerDoc) {
        parent.appendChild(ownerDoc.importNode(child, true));
    } else {
        parent.appendChild(child);
    }
}
 

public void setStartBefore(Node refNode)
    throws RangeException
{
    if (fDocument.errorChecking) {
        if (fDetach) {
            throw new DOMException(
                    DOMException.INVALID_STATE_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_STATE_ERR", null));
        }
        if ( !hasLegalRootContainer(refNode) ||
                !isLegalContainedNode(refNode) )
        {
            throw new RangeExceptionImpl(
                    RangeException.INVALID_NODE_TYPE_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_NODE_TYPE_ERR", null));
        }
        if ( fDocument != refNode.getOwnerDocument() && fDocument != refNode) {
            throw new DOMException(
                    DOMException.WRONG_DOCUMENT_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "WRONG_DOCUMENT_ERR", null));
        }
    }

    fStartContainer = refNode.getParentNode();
    int i = 0;
    for (Node n = refNode; n!=null; n = n.getPreviousSibling()) {
        i++;
    }
    fStartOffset = i-1;

    // If one boundary-point of a Range is set to have a root container
    // other
    // than the current one for the Range, the Range should be collapsed to
    // the new position.
    // The start position of a Range should never be after the end position.
    if (getCommonAncestorContainer() == null
            || (fStartContainer == fEndContainer && fEndOffset < fStartOffset)) {
        collapse(true);
    }
}
 

private String _getXmlEncoding(Node node) {
    Document doc = (node.getNodeType() == Node.DOCUMENT_NODE)
            ? (Document) node : node.getOwnerDocument();
    if (doc != null) {
        try {
            return doc.getXmlEncoding();
        } // The VM ran out of memory or there was some other serious problem. Re-throw.
        catch (VirtualMachineError | ThreadDeath vme) {
            throw vme;
        } // Ignore all other exceptions and errors
        catch (Throwable t) {
        }
    }
    return null;
}
 

public void setStartAfter(Node refNode)
    throws RangeException
{
    if (fDocument.errorChecking) {
        if (fDetach) {
            throw new DOMException(
                    DOMException.INVALID_STATE_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_STATE_ERR", null));
        }
        if ( !hasLegalRootContainer(refNode) ||
                !isLegalContainedNode(refNode)) {
            throw new RangeExceptionImpl(
                    RangeException.INVALID_NODE_TYPE_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_NODE_TYPE_ERR", null));
        }
        if ( fDocument != refNode.getOwnerDocument() && fDocument != refNode) {
            throw new DOMException(
                    DOMException.WRONG_DOCUMENT_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "WRONG_DOCUMENT_ERR", null));
        }
    }
    fStartContainer = refNode.getParentNode();
    int i = 0;
    for (Node n = refNode; n!=null; n = n.getPreviousSibling()) {
        i++;
    }
    fStartOffset = i;

    // If one boundary-point of a Range is set to have a root container
    // other
    // than the current one for the Range, the Range should be collapsed to
    // the new position.
    // The start position of a Range should never be after the end position.
    if (getCommonAncestorContainer() == null
            || (fStartContainer == fEndContainer && fEndOffset < fStartOffset)) {
        collapse(true);
    }
}
 

/**
 * Since a Document may contain at most one top-level Element child,
 * and at most one DocumentType declaraction, we need to subclass our
 * add-children methods to implement this constraint.
 * Since appendChild() is implemented as insertBefore(,null),
 * altering the latter fixes both.
 * <p>
 * While I'm doing so, I've taken advantage of the opportunity to
 * cache documentElement and docType so we don't have to
 * search for them.
 *
 * REVISIT: According to the spec it is not allowed to alter neither the
 * document element nor the document type in any way
 */
public Node insertBefore(Node newChild, Node refChild)
        throws DOMException {

    // Only one such child permitted
    int type = newChild.getNodeType();
    if (errorChecking) {
        if((type == Node.ELEMENT_NODE && docElement != null) ||
        (type == Node.DOCUMENT_TYPE_NODE && docType != null)) {
            String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "HIERARCHY_REQUEST_ERR", null);
            throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, msg);
        }
    }
    // Adopt orphan doctypes
    if (newChild.getOwnerDocument() == null &&
    newChild instanceof DocumentTypeImpl) {
        ((DocumentTypeImpl) newChild).ownerDocument = this;
    }
    super.insertBefore(newChild,refChild);

    // If insert succeeded, cache the kid appropriately
    if (type == Node.ELEMENT_NODE) {
        docElement = (ElementImpl)newChild;
    }
    else if (type == Node.DOCUMENT_TYPE_NODE) {
        docType = (DocumentTypeImpl)newChild;
    }

    return newChild;

}
 

private String _getInputEncoding(Node node) {
    Document doc = (node.getNodeType() == Node.DOCUMENT_NODE)
            ? (Document) node : node.getOwnerDocument();
    if (doc != null) {
        try {
            return doc.getInputEncoding();
        } // The VM ran out of memory or there was some other serious problem. Re-throw.
        catch (VirtualMachineError | ThreadDeath vme) {
            throw vme;
        } // Ignore all other exceptions and errors
        catch (Throwable t) {
        }
    }
    return null;
}
 

public void setStartBefore(Node refNode)
    throws RangeException
{
    if (fDocument.errorChecking) {
        if (fDetach) {
            throw new DOMException(
                    DOMException.INVALID_STATE_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_STATE_ERR", null));
        }
        if ( !hasLegalRootContainer(refNode) ||
                !isLegalContainedNode(refNode) )
        {
            throw new RangeExceptionImpl(
                    RangeException.INVALID_NODE_TYPE_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_NODE_TYPE_ERR", null));
        }
        if ( fDocument != refNode.getOwnerDocument() && fDocument != refNode) {
            throw new DOMException(
                    DOMException.WRONG_DOCUMENT_ERR,
                    DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "WRONG_DOCUMENT_ERR", null));
        }
    }

    fStartContainer = refNode.getParentNode();
    int i = 0;
    for (Node n = refNode; n!=null; n = n.getPreviousSibling()) {
        i++;
    }
    fStartOffset = i-1;

    // If one boundary-point of a Range is set to have a root container
    // other
    // than the current one for the Range, the Range should be collapsed to
    // the new position.
    // The start position of a Range should never be after the end position.
    if (getCommonAncestorContainer() == null
            || (fStartContainer == fEndContainer && fEndOffset < fStartOffset)) {
        collapse(true);
    }
}
 

/**
 * Since a Document may contain at most one top-level Element child,
 * and at most one DocumentType declaraction, we need to subclass our
 * add-children methods to implement this constraint.
 * Since appendChild() is implemented as insertBefore(,null),
 * altering the latter fixes both.
 * <p>
 * While I'm doing so, I've taken advantage of the opportunity to
 * cache documentElement and docType so we don't have to
 * search for them.
 *
 * REVISIT: According to the spec it is not allowed to alter neither the
 * document element nor the document type in any way
 */
public Node insertBefore(Node newChild, Node refChild)
        throws DOMException {

    // Only one such child permitted
    int type = newChild.getNodeType();
    if (errorChecking) {
        if((type == Node.ELEMENT_NODE && docElement != null) ||
        (type == Node.DOCUMENT_TYPE_NODE && docType != null)) {
            String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "HIERARCHY_REQUEST_ERR", null);
            throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, msg);
        }
    }
    // Adopt orphan doctypes
    if (newChild.getOwnerDocument() == null &&
    newChild instanceof DocumentTypeImpl) {
        ((DocumentTypeImpl) newChild).ownerDocument = this;
    }
    super.insertBefore(newChild,refChild);

    // If insert succeeded, cache the kid appropriately
    if (type == Node.ELEMENT_NODE) {
        docElement = (ElementImpl)newChild;
    }
    else if (type == Node.DOCUMENT_TYPE_NODE) {
        docType = (DocumentTypeImpl)newChild;
    }

    return newChild;

}
 

/**
 * Checks whether a Comment or ProcessingInstruction is before or after the
 * document element. This is needed for prepending or appending "\n"s.
 *
 * @param currentNode
 *            comment or pi to check
 * @return NODE_BEFORE_DOCUMENT_ELEMENT,
 *         NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT or
 *         NODE_AFTER_DOCUMENT_ELEMENT
 * @see #NODE_BEFORE_DOCUMENT_ELEMENT
 * @see #NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT
 * @see #NODE_AFTER_DOCUMENT_ELEMENT
 */
private int getPositionRelativeToDocumentElement(Node currentNode) {
    if (currentNode == null) {
        return NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT;
    }

    Document doc = currentNode.getOwnerDocument();

    if (currentNode.getParentNode() != doc) {
        return NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT;
    }

    Element documentElement = doc.getDocumentElement();

    if (documentElement == null) {
        return NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT;
    }

    if (documentElement == currentNode) {
        return NODE_NOT_BEFORE_OR_AFTER_DOCUMENT_ELEMENT;
    }

    for (Node x = currentNode; x != null; x = x.getNextSibling()) {
        if (x == documentElement) {
            return NODE_BEFORE_DOCUMENT_ELEMENT;
        }
    }

    return NODE_AFTER_DOCUMENT_ELEMENT;
}
 

/**
 * @param parent
 */
private static Document getDocument(Node parent) {
    return (parent instanceof Document) ? (Document)parent : parent.getOwnerDocument();
}
 

private static void appendXmlFragment(Node parent, String fragment) {
	Document doc = parent.getOwnerDocument();
	Comment comment = doc.createComment(fragment);
	parent.appendChild(comment);
}
 

/**
 * Gets the owner document of a node.
 *
 * @param node the node
 * @return the node's document or the node itself if it is a document node
 *
 * @throws NullPointerException if {@code node} is {@code null}
 */
public static Document getOwnerDocument(Node node)
{
    if (node.getNodeType() == Node.DOCUMENT_NODE)
        return (Document)node;
    return node.getOwnerDocument();
}
 

/**
 * DOM Level 3 WD - Experimental.
 * Save the document or the given node and all its descendants to a string
 * (i.e. serialize the document or node).
 * <br>The parameters used in the <code>LSSerializer</code> interface are
 * assumed to have their default values when invoking this method.
 * <br> The result of a call to this method is the same the result of a
 * call to <code>LSSerializer.writeToString</code> with the document as
 * the node to write.
 * @param node Specifies what to serialize, if this parameter is
 *   <code>null</code> the whole document is serialized, if it's
 *   non-null the given node is serialized.
 * @return The serialized document or <code>null</code> in case an error
 *   occurred.
 * @exception DOMException
 *   WRONG_DOCUMENT_ERR: Raised if the node passed in as the node
 *   parameter is from an other document.
 */
public String saveXML(Node node)
        throws DOMException {
    if (errorChecking && node != null
            && this != node.getOwnerDocument()) {
        String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "WRONG_DOCUMENT_ERR", null);
        throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, msg);
    }
    DOMImplementationLS domImplLS = (DOMImplementationLS) DOMImplementationImpl.getDOMImplementation();
    LSSerializer xmlWriter = domImplLS.createLSSerializer();
    if (node == null) {
        node = this;
    }
    return xmlWriter.writeToString(node);
}
 

/**
 * DOM Level 3 WD - Experimental.
 * Save the document or the given node and all its descendants to a string
 * (i.e. serialize the document or node).
 * <br>The parameters used in the <code>LSSerializer</code> interface are
 * assumed to have their default values when invoking this method.
 * <br> The result of a call to this method is the same the result of a
 * call to <code>LSSerializer.writeToString</code> with the document as
 * the node to write.
 * @param node Specifies what to serialize, if this parameter is
 *   <code>null</code> the whole document is serialized, if it's
 *   non-null the given node is serialized.
 * @return The serialized document or <code>null</code> in case an error
 *   occurred.
 * @exception DOMException
 *   WRONG_DOCUMENT_ERR: Raised if the node passed in as the node
 *   parameter is from an other document.
 */
public String saveXML(Node node)
throws DOMException {
    if ( errorChecking && node != null &&
        this != node.getOwnerDocument() ) {
        String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "WRONG_DOCUMENT_ERR", null);
        throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, msg);
    }
    DOMImplementationLS domImplLS = (DOMImplementationLS)DOMImplementationImpl.getDOMImplementation();
    LSSerializer xmlWriter = domImplLS.createLSSerializer();
    if (node == null) {
        node = this;
    }
    return xmlWriter.writeToString(node);
}