| /******************************************************************************* |
| * Copyright (c) 2008, 2011 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.ui.wizards.settingswizards; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| import org.w3c.dom.Text; |
| |
| public class XMLUtils { |
| |
| private XMLUtils() { |
| } |
| |
| public static List<Element> extractChildElements(Element node, String childElementName) |
| throws SettingsImportExportException { |
| List<Element> extracted = new ArrayList<>(); |
| |
| NodeList children = node.getChildNodes(); |
| for (int i = 0; i < children.getLength(); i++) { |
| Node child = children.item(i); |
| switch (child.getNodeType()) { |
| case Node.ELEMENT_NODE: |
| Element element = (Element) child; |
| if (element.getTagName().equals(childElementName)) { |
| extracted.add(element); |
| } else |
| throw new SettingsImportExportException("Unknown tag: " + element.getTagName()); //$NON-NLS-1$ |
| break; |
| case Node.TEXT_NODE: |
| Text text = (Text) child; |
| if (isWhitespace(text.getData())) |
| break; |
| throw new SettingsImportExportException("Unknown text: '" + text.getData() + "'"); //$NON-NLS-1$ //$NON-NLS-2$ |
| default: |
| throw new SettingsImportExportException("Unknown node: " + child.getNodeName()); //$NON-NLS-1$ |
| } |
| } |
| |
| return extracted; |
| } |
| |
| public static boolean isWhitespace(String s) { |
| if (s == null) |
| return false; |
| |
| for (char c : s.toCharArray()) { |
| if (!Character.isWhitespace(c)) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| } |