/*******************************************************************************
* Copyright (c) 2005 Oracle Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* 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;
import org.w3c.dom.Text;
/**
* ITransformOperation implementation that converts an attribute to a child
* Text Node and optionally removes the specified attribute.
*
* <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 ConvertAttributeToTextOperation extends AbstractTransformOperation {
private String attributeName;
private boolean removeAttribute = 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) {
attributeName = getParameters()[0];
} else {
attributeName = getParameters()[0];
removeAttribute = Boolean.valueOf(getParameters()[1]).booleanValue();
}
Assert.isNotNull(attributeName);
if (tagConverterContext != null && srcElement != null && curElement != null) {
String content = srcElement.getAttribute(attributeName);
if (content != null && content.length() > 0) {
Text text = tagConverterContext.createText(content);
curElement.appendChild(text);
if (removeAttribute) {
curElement.removeAttribute(attributeName);
}
}
}
return curElement;
}
}