Example usage for org.w3c.dom Element removeChild

Introduction

In this page you can find the example usage for org.w3c.dom Element removeChild.

Prototype

public Node removeChild(Node oldChild) throws DOMException;

Source Link

Document

Removes the child node indicated by oldChild from the list of children, and returns it.

Usage

From source file:org.infoscoop.service.SiteAggregationMenuService.java

public synchronized void updateMenuItem(String menuId, String title, String href, String display, String type,
        String serviceURL, String serviceAuthType, Map props, String alert, String menuType, Collection auths,
        Collection<String> menuTreeAdmins, Boolean linkDisabled, String directoryTitle, String sitetopId,
        boolean multi) throws Exception {

    href = StringUtil.getTruncatedString(href, 1024, "UTF-8");

    if (log.isInfoEnabled()) {
        log.info("UpdateMenuItem: menuId=" + menuId + ", title=" + title + ", " + title + ", href=" + href
                + ", display=" + display + ", alert" + alert + ", properties=" + props);
    }//w w w  .jav a2 s . c o  m
    // Obtain data and transfer the result to Document.
    Siteaggregationmenu_temp entity = this.siteAggregationMenuTempDAO.selectBySitetopId(menuType, sitetopId);
    Node node = getTargetElement(entity, menuId);

    // Error
    if (node == null)
        throw new Exception("element not found [//site],[//site-top]");

    Document document = node.getOwnerDocument();

    // Create element to be updated
    Element element;
    element = (Element) node;
    element.setAttribute("title", title);
    element.setAttribute("href", href);
    element.setAttribute("display", display);
    element.setAttribute("link_disabled", linkDisabled.toString());
    if (serviceURL != null)
        element.setAttribute("serviceURL", serviceURL);
    if (serviceAuthType != null)
        element.setAttribute("serviceAuthType", serviceAuthType);
    if (alert != null && !"".equals(alert))
        element.setAttribute("alert", alert);

    element.setAttribute("multi", String.valueOf(multi));

    element.setAttribute("type", type);

    if (directoryTitle != null && !"".equals(directoryTitle)) {
        element.setAttribute("directory_title", directoryTitle);
    } else if (element.hasAttribute("directory_title")) {
        element.removeAttribute("directory_title");
    }

    element.insertBefore(recreatePropertiesNode(document, element, props), element.getFirstChild());

    Element oldAuths = getFirstChildElementByName(element, "auths");
    if (oldAuths != null) {
        element.removeChild(oldAuths);
    }
    if (auths != null) {
        element.insertBefore(MenuAuthorization.createAuthsElement(document, auths),
                getFirstChildElementByName(element, "site"));
    }

    NodeList oldAdmins = element.getElementsByTagName("menuTreeAdmins");
    if (oldAdmins != null) {
        while (oldAdmins.getLength() != 0) {
            oldAdmins.item(0).getParentNode().removeChild(oldAdmins.item(0));
        }
    }
    if (menuTreeAdmins != null) {
        element.insertBefore(createAdminsElement(document, menuTreeAdmins),
                getFirstChildElementByName(element, "site"));
    }

    // Update
    entity.setElement(document.getDocumentElement());
    this.siteAggregationMenuTempDAO.update(entity);
}

---

From source file:org.infoscoop.service.WidgetConfService.java

/**
 * @param doc//from  w ww .ja v  a  2s.c  o  m
 * @param widgetConfNode
 * @param updatePrefList
 * @throws JSONException
 */
public static void updateWidgetPrefNode(Document doc, Element widgetConfNode, JSONObject updatePrefList)
        throws JSONException {

    NodeList prefList = widgetConfNode.getElementsByTagName("WidgetPref");

    Iterator keys = updatePrefList.keys();
    while (keys.hasNext()) {
        String id = (String) keys.next();
        JSONObject prefJson = updatePrefList.getJSONObject(id);
        if (!prefJson.has("name"))
            continue;

        String name = prefJson.getString("name");

        String datatype = "";
        if (prefJson.has("datatype"))
            datatype = prefJson.getString("datatype");

        String value = prefJson.getString("value");

        int prefLength = prefList.getLength();
        boolean update = false;
        for (int i = 0; i < prefLength; i++) {
            Element pref = (Element) prefList.item(i);
            if (!name.equals(pref.getAttribute("name")))
                continue;

            if ("xml".equals(datatype) || "json".equals(datatype)) {
                while (pref.getFirstChild() != null)
                    pref.removeChild(pref.getFirstChild());

                pref.appendChild(doc.createTextNode(value));
            } else {
                pref.setAttribute("value", value);
            }

            update = true;
        }

        // is this code require ?
        if (!update) {
            Element newPref = doc.createElement("WidgetPref");
            newPref.setAttribute("name", name);

            if ("xml".equals(datatype) || "json".equals(datatype)) {
                newPref.appendChild(doc.createTextNode(value));
            } else {
                newPref.setAttribute("value", value);
            }
            int lastPrefIndex = prefList.getLength() - 1;
            Element lastPref = (Element) prefList.item(lastPrefIndex);
            Element nextPrefNode = (Element) lastPref.getNextSibling();
            if (nextPrefNode != null) {
                widgetConfNode.insertBefore(newPref, nextPrefNode);
            } else {
                widgetConfNode.appendChild(newPref);
            }
        }
    }
}

---

From source file:org.infoscoop.service.WidgetConfService.java

/**
 * @param doc/*  w w  w  . j a  v a2s . com*/
 * @param widgetConfNode
 * @param updatePrefList
 * @throws JSONException
 */
private void updateUserPrefNode(Document doc, Element widgetConfNode, JSONObject updatePrefList)
        throws JSONException {

    NodeList prefList = widgetConfNode.getElementsByTagName("UserPref");

    Iterator keys = updatePrefList.keys();
    while (keys.hasNext()) {
        String id = (String) keys.next();
        JSONObject prefJson = updatePrefList.getJSONObject(id);

        if (!prefJson.has("name"))
            continue;

        String name = prefJson.getString("name");

        if (!prefJson.has("default_value"))
            continue;
        String value = prefJson.getString("default_value");

        String datatype = null;
        if (prefJson.has("datatype"))
            datatype = prefJson.getString("datatype");

        int prefLength = prefList.getLength();
        boolean update = false;
        for (int i = 0; i < prefLength; i++) {
            Element pref = (Element) prefList.item(i);
            if (!name.equals(pref.getAttribute("name")))
                continue;

            if ("xml".equals(datatype) || "json".equals(datatype)) {
                while (pref.getFirstChild() != null)
                    pref.removeChild(pref.getFirstChild());

                pref.appendChild(doc.createTextNode(value));
            } else {
                pref.setAttribute("default_value", value);
            }

            update = true;
        }

        // is this code require ?
        // and this code is obsolete.  what is "inputType" attribute ?
        if (!update) {
            Element newPref = doc.createElement("UserPref");
            newPref.setAttribute("name", name);

            if (("xml".equals(datatype) || "json".equals(datatype))) {
                newPref.appendChild(doc.createTextNode(value));
            } else {
                newPref.setAttribute("default_value", value);
            }

            String inputType = prefJson.getString("inputType");
            if (inputType != null) {
                newPref.setAttribute("inputType", inputType);
            }
            String displayName = prefJson.getString("display_name");
            if (prefJson.has("display_name")) {
                newPref.setAttribute("display_name", displayName);
            }
            if (prefJson.has("EnumValue")) {
                JSONArray options = prefJson.getJSONArray("EnumValue");
                for (int j = 0; j < options.length(); j++) {
                    JSONObject option = options.getJSONObject(j);
                    Element optionNode = doc.createElement("EnumValue");
                    optionNode.setAttribute("display_value", option.getString("display_value"));
                    optionNode.setAttribute("value", option.getString("value"));
                    newPref.appendChild(optionNode);
                }
            }

            int lastPrefIndex = prefList.getLength() - 1;
            Element lastPref = (Element) prefList.item(lastPrefIndex);
            Element nextPrefNode = (Element) lastPref.getNextSibling();
            if (nextPrefNode != null) {
                widgetConfNode.insertBefore(newPref, nextPrefNode);
            } else {
                widgetConfNode.appendChild(newPref);
            }
        }
    }
}

---

From source file:org.jasig.portal.layout.dlm.DeleteManager.java

/**
   Get the delete set if any from the plf and process each delete command
   removing any that fail from the delete set so that the delete set is
   self cleaning./*from w  w  w  . j a va 2  s . c om*/
*/
static void applyAndUpdateDeleteSet(Document plf, Document ilf, IntegrationResult result) {

    Element dSet = null;
    try {
        dSet = getDeleteSet(plf, null, false);
    } catch (Exception e) {
        LOG.error("Exception occurred while getting user's DLM delete-set.", e);
    }

    if (dSet == null)
        return;

    NodeList deletes = dSet.getChildNodes();

    for (int i = deletes.getLength() - 1; i >= 0; i--) {
        if (applyDelete((Element) deletes.item(i), ilf) == false) {
            dSet.removeChild(deletes.item(i));
            result.changedPLF = true;
        } else {
            result.changedILF = true;
        }
    }

    if (dSet.getChildNodes().getLength() == 0) {
        plf.getDocumentElement().removeChild(dSet);
        result.changedPLF = true;
    }
}

---

From source file:org.jasig.portal.layout.dlm.FragmentActivator.java

/**
 * Removes unwanted and hidden folders, then changes all node ids to their 
 * globally safe incorporated version.//from   ww w .  jav a  2 s  . c  o m
 */
private void fragmentizeLayout(UserView view, FragmentDefinition fragment) {
    // if fragment not bound to user or layout empty due to error, return
    if (view.getUserId() == -1 || view.layout == null)
        return;

    // Choose what types of content to apply from the fragment
    Pattern contentPattern = STANDARD_PATTERN; // default
    boolean allowExpandedContent = Boolean
            .parseBoolean(PropertiesManager.getProperty(PROPERTY_ALLOW_EXPANDED_CONTENT));
    if (allowExpandedContent) {
        contentPattern = EXPANDED_PATTERN;
    }

    // remove all non-regular or hidden top level folders
    // skip root folder that is only child of top level layout element
    Element layout = view.layout.getDocumentElement();
    Element root = (Element) layout.getFirstChild();
    NodeList children = root.getChildNodes();

    // process the children backwards since as we delete some the indices
    // shift around
    for (int i = children.getLength() - 1; i >= 0; i--) {
        Node node = children.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equals("folder")) {
            Element folder = (Element) node;

            // strip out folder types 'header', 'footer' and regular, 
            // hidden folder "User Preferences" since users have their own
            boolean isApplicable = contentPattern.matcher(folder.getAttribute("type")).matches();
            if (!isApplicable || folder.getAttribute("hidden").equals("true")) {
                try {
                    root.removeChild(folder);
                } catch (Exception e) {
                    throw new RuntimeException("Anomaly occurred while stripping out "
                            + " portions of layout for fragment '" + fragment.getName()
                            + "'. The fragment will not be available for " + "inclusion into user layouts.", e);
                }
            }
        }
    }
    // now re-lable all remaining nodes below root to have a safe system
    // wide id.

    setIdsAndAttribs(layout, layout.getAttribute(Constants.ATT_ID), "" + fragment.getIndex(),
            "" + fragment.getPrecedence());
}

---

From source file:org.jasig.portal.layout.dlm.ParameterEditManager.java

/**
   Get the parm edit set if any from the plf and process each edit command
   removing any that fail from the set so that the set is self cleaning.
 * @throws Exception//from  ww  w.j a  va 2 s. c  o m
*/
static void applyAndUpdateParmEditSet(Document plf, Document ilf, IntegrationResult result) {

    Element pSet = null;
    try {
        pSet = getParmEditSet(plf, null, false);
    } catch (Exception e) {
        LOG.error("Exception occurred while getting user's DLM " + "paramter-edit-set.", e);
    }

    if (pSet == null)
        return;

    NodeList edits = pSet.getChildNodes();

    for (int i = edits.getLength() - 1; i >= 0; i--) {
        if (applyEdit((Element) edits.item(i), ilf) == false) {
            pSet.removeChild(edits.item(i));
            result.changedPLF = true;
        } else {
            result.changedILF = true;
        }
    }

    if (pSet.getChildNodes().getLength() == 0) {
        plf.getDocumentElement().removeChild(pSet);
        result.changedPLF = true;
    }
}

---

From source file:org.jasig.portal.layout.dlm.PLFIntegrator.java

private static void applyChildChanges(Element plfParent, Element ilfParent, IntegrationResult result)
        throws PortalException {
    Element positions = null;/*ww w .  jav  a 2 s  . c om*/
    Element node = (Element) plfParent.getFirstChild();

    while (node != null) {
        Element nextNode = (Element) node.getNextSibling();

        if (node.getNodeName().equals("folder"))
            mergeFolder(node, plfParent, ilfParent, result);
        else if (node.getNodeName().equals(Constants.ELM_POSITION_SET))
            positions = node;
        else if (node.getNodeName().equals("channel"))
            mergeChannel(node, plfParent, ilfParent, result);
        node = nextNode;
    }

    if (positions != null) {
        IntegrationResult posResult = new IntegrationResult();
        if (LOG.isInfoEnabled())
            LOG.info("applying positions");
        PositionManager.applyPositions(ilfParent, positions, posResult);
        if (posResult.changedILF == false) {
            if (LOG.isInfoEnabled())
                LOG.info("removing positionSet");
            plfParent.removeChild(positions);
            result.changedPLF = true;
        } else {
            result.changedILF = true;
            if (posResult.changedPLF)
                result.changedPLF = true;
        }
    }
}

---

From source file:org.jasig.portal.layout.dlm.PLFIntegrator.java

private static void mergeChannel(Element plfChild, Element plfParent, Element ilfParent,
        IntegrationResult result) {/* w ww  .  j  a  v a 2 s.  com*/
    String id = plfChild.getAttribute(Constants.ATT_ID);

    if (id.startsWith(Constants.FRAGMENT_ID_USER_PREFIX)) {
        // incorporated channel - if a copy of an inc'd channel is in the
        // plf it is because either it has attribute edits. It does not
        // imply movement.
        // That is accomplished by the position set. So see if it still
        // exists in the ilf for applying changes

        Document ilf = ilfParent.getOwnerDocument();
        Element original = ilf.getElementById(id);

        if (original == null) {
            // not there anymore, discard from plf
            plfParent.removeChild(plfChild);
            result.changedPLF = true;
            return;
        }

        // found it, apply changes and see if they had any affect
        boolean attributeChanged = false;
        IntegrationResult childChanges = new IntegrationResult();

        attributeChanged = EditManager.applyEditSet(plfChild, original);
        applyChildChanges(plfChild, original, childChanges);

        if (attributeChanged == false && childChanges.changedILF == false) {
            // no changes were used so remove this guy from plf.
            plfParent.removeChild(plfChild);
            result.changedPLF = true;
        } else
            result.changedILF = true;
        // need to pass on up whether PLF changed in called methods
        if (childChanges.changedPLF)
            result.changedPLF = true;
    } else // plf channel
    {
        if (LOG.isInfoEnabled())
            LOG.info("merging into ilf channel " + id);

        if (ilfParent.getAttribute(Constants.ATT_ADD_CHILD_ALLOWED).equals("false")) {
            if (LOG.isInfoEnabled())
                LOG.info("removing from plf disallowed add of channel " + id);
            plfParent.removeChild(plfChild);
            result.changedPLF = true;
        } else {
            appendChild(plfChild, ilfParent, true);
            result.changedILF = true;
        }
    }
}

---

From source file:org.jasig.portal.layout.dlm.PLFIntegrator.java

private static void mergeFolder(Element plfChild, Element plfParent, Element ilfParent,
        IntegrationResult result) throws PortalException {
    String id = plfChild.getAttribute(Constants.ATT_ID);

    if (id.startsWith(Constants.FRAGMENT_ID_USER_PREFIX)) {
        // incorporated folder - if a copy of an inc'd folder is in the
        // plf it is because either it has attribute edits or there are
        // nested child changes to be applied. It does not imply movement.
        // That is accomplished by the position set. So see if it still
        // exists in the ilf for applying changes

        Document ilf = ilfParent.getOwnerDocument();
        Element original = ilf.getElementById(id);

        if (original == null) {
            // not there anymore, discard from plf
            plfParent.removeChild(plfChild);
            result.changedPLF = true;/*from  w  w w  .  ja  v a  2s. com*/
            return;
        }

        // found it, apply changes and see if they had any affect
        boolean attributeChanged = false;
        IntegrationResult childChanges = new IntegrationResult();

        attributeChanged = EditManager.applyEditSet(plfChild, original);
        applyChildChanges(plfChild, original, childChanges);

        if (attributeChanged == false && childChanges.changedILF == false) {
            // no changes were used so remove this guy from plf.
            plfParent.removeChild(plfChild);
            result.changedPLF = true;
        } else
            result.changedILF = true;
        // need to pass on up whether PLF changed in called methods
        if (childChanges.changedPLF)
            result.changedPLF = true;
    } else {
        // plf folder - the real node. What is being portrayed in this
        // case is a plf node that is supposed to be added into the ilf
        // parent

        if (ilfParent.getAttribute(Constants.ATT_ADD_CHILD_ALLOWED).equals("false")) {
            // nope, delete directive from plf
            if (LOG.isInfoEnabled())
                LOG.info("removing folder from plf " + id);
            plfParent.removeChild(plfChild);
            result.changedPLF = true;
            return;
        }
        Element ilfChild = appendChild(plfChild, ilfParent, false);
        result.changedILF = true;

        IntegrationResult childChanges = new IntegrationResult();
        applyChildChanges(plfChild, ilfChild, childChanges);

        if (childChanges.changedPLF)
            result.changedPLF = true;
    }
}

---

From source file:org.jasig.portal.layout.dlm.PositionManager.java

/**
   This method trims down the position set to the position directives on
   the node info elements still having a position directive. Any directives
   that violated restrictions were removed from the node info objects so
   the position set should be made to match the order of those still
   having one.//  w  ww. j a  va2  s  . c om
 */
static void adjustPositionSet(List<NodeInfo> order, Element positionSet, IntegrationResult result) {
    Node nodeToMatch = positionSet.getFirstChild();
    Element nodeToInsertBefore = positionSet.getOwnerDocument().createElement("INSERT_POINT");
    positionSet.insertBefore(nodeToInsertBefore, nodeToMatch);

    for (Iterator iter = order.iterator(); iter.hasNext();) {
        NodeInfo ni = (NodeInfo) iter.next();

        if (ni.positionDirective != null) {
            // found one check it against the current one in the position
            // set to see if it is different. If so then indicate that
            // something (the position set) has changed in the plf
            if (ni.positionDirective != nodeToMatch)
                result.changedPLF = true;

            // now bump the insertion point forward prior to
            // moving on to the next position node to be evaluated
            if (nodeToMatch != null)
                nodeToMatch = nodeToMatch.getNextSibling();

            // now insert it prior to insertion point
            positionSet.insertBefore(ni.positionDirective, nodeToInsertBefore);
        }
    }

    // now for any left over after the insert point remove them.

    while (nodeToInsertBefore.getNextSibling() != null)
        positionSet.removeChild(nodeToInsertBefore.getNextSibling());

    // now remove the insertion point
    positionSet.removeChild(nodeToInsertBefore);
}

---

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