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/*******************************************************************************
* 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<Element>();
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;
}
}
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