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/*******************************************************************************
* Copyright (c) 2001, 2005 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.sse.core.internal.filebuffers;
import org.eclipse.core.filebuffers.IDocumentFactory;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExecutableExtension;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.core.runtime.content.IContentTypeManager;
import org.eclipse.jface.text.IDocument;
import org.eclipse.wst.sse.core.internal.ltk.modelhandler.IModelHandler;
import org.eclipse.wst.sse.core.internal.modelhandler.ModelHandlerRegistry;
import org.eclipse.wst.sse.core.internal.text.JobSafeStructuredDocument;
/**
* Generic IDocumentFactory for IStructuredDocuments to be used by the
* org.eclipse.core.filebuffers.documentCreation extension point. This class
* is not meant to be subclassed.
*
* @plannedfor 1.0
*/
public class BasicStructuredDocumentFactory implements IDocumentFactory, IExecutableExtension {
/*
* The content type ID used to declare this factory; it is used to find
* the corresponding support for creating the document
*/
private String fContentTypeIdentifier = null;
/**
* Constructor, only to be used by the
* org.eclipse.core.filebuffers.documentCreation extension point.
*/
public BasicStructuredDocumentFactory() {
super();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.filebuffers.IDocumentFactory#createDocument()
*/
public IDocument createDocument() {
IDocument document = null;
IContentType contentType = Platform.getContentTypeManager().getContentType(getContentTypeIdentifier());
IModelHandler handler = null;
while (handler == null && !IContentTypeManager.CT_TEXT.equals(contentType.getId())) {
handler = ModelHandlerRegistry.getInstance().getHandlerForContentTypeId(contentType.getId());
contentType = contentType.getBaseType();
}
if (handler != null) {
document = handler.getDocumentLoader().createNewStructuredDocument();
}
else {
document = new JobSafeStructuredDocument();
}
return document;
}
private String getContentTypeIdentifier() {
return fContentTypeIdentifier;
}
/*
* Loads the content type ID to be used when creating the Structured Document.
*
* @see org.eclipse.core.runtime.IExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement,
* java.lang.String, java.lang.Object)
*/
public void setInitializationData(IConfigurationElement config, String propertyName, Object data) throws CoreException {
fContentTypeIdentifier = config.getAttribute("contentTypeId"); //$NON-NLS-1$
if (data != null) {
if (data instanceof String && data.toString().length() > 0) {
fContentTypeIdentifier = (String) data;
}
}
}
}
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