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/*******************************************************************************
* Copyright (c) 2005, 2008 Oracle Corporation.
* All rights reserved. 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:
* Ian Trimble - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.dtmanager.converter.operations.internal;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jst.pagedesigner.dtmanager.converter.operations.AbstractTransformOperation;
import org.w3c.dom.Element;
/**
* ITransformOperation implementation that appends a child Element and
* optionally makes the new Element current.
*
* <br><b>Note:</b> requires ITransformOperation.setTagConverterContext(...) to
* have been called to provide a valid ITagConverterContext instance prior to
* a call to the transform(...) method.
*
* @author Ian Trimble - Oracle
*/
public class AppendChildElementOperation extends AbstractTransformOperation {
private String tagName;
private boolean makeChildCurrent = true;
/*
* (non-Javadoc)
* @see org.eclipse.jst.pagedesigner.dtmanager.converter.operations.internal.provisional.AbstractTransformOperation#transform(org.w3c.dom.Element, org.w3c.dom.Element)
*/
public Element transform(Element srcElement, Element curElement) {
if (getParameters().length < 1) {
getLog().error("Warning.TransformOperationFactory.TooFewParameters", getTransformOperationID()); //$NON-NLS-1$
return null;
} else if (getParameters().length < 2) {
tagName = getParameters()[0];
} else {
tagName = getParameters()[0];
makeChildCurrent = Boolean.valueOf(getParameters()[1]).booleanValue();
}
Assert.isNotNull(tagName);
Element element = null;
if (tagConverterContext != null && curElement != null && tagName != null && tagName.length() > 0) {
Element childElement = tagConverterContext.createElement(tagName);
curElement.appendChild(childElement);
if (makeChildCurrent) {
element = childElement;
} else {
element = curElement;
}
}
return element;
}
}
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