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/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.converter;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jst.pagedesigner.IJMTConstants;
import org.eclipse.jst.pagedesigner.PDPlugin;
import org.eclipse.jst.pagedesigner.converter.html.HTMLConverterFactory;
import org.eclipse.jst.pagedesigner.converter.jsp.JSPConverterFactory;
import org.eclipse.jst.pagedesigner.utils.CMUtil;
import org.eclipse.swt.graphics.Image;
import org.eclipse.wst.xml.core.internal.contentmodel.CMElementDeclaration;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument;
import org.w3c.dom.Element;
/**
* @author mengbo
* @version 1.5
*/
public class ConverterFactoryRegistry {
List _factories = new ArrayList();
private static ConverterFactoryRegistry _instance;
/**
*
*/
private ConverterFactoryRegistry() {
_factories.add(new JSPConverterFactory());
_factories.add(new HTMLConverterFactory());
IConverterFactory facs[] = ConverterFacRegistryReader.getAllHandlers();
if (facs != null) {
for (int i = 0; i < facs.length; i++) {
addFactory(facs[i]);
}
}
}
public void addFactory(IConverterFactory fac) {
_factories.add(fac);
}
public ITagConverter createTagConverter(Element ele, int mode,
IDOMDocument targetDocument) {
ITagConverter converter = internalCreateTagConverter(ele, mode);
if (converter != null) {
converter.setDestDocument(targetDocument);
}
return converter;
}
public ITagConverter internalCreateTagConverter(Element ele, int mode) {
String uri = CMUtil.getElementNamespaceURI(ele);
// first round, match uri
for (int i = 0, size = _factories.size(); i < size; i++) {
IConverterFactory fac = (IConverterFactory) _factories.get(i);
String facuri = fac.getSupportedURI();
if (facuri != null && facuri.equals(uri)) {
ITagConverter converter = fac.createConverter(ele, mode);
if (converter != null) {
return converter;
}
}
}
// second round
for (int i = 0, size = _factories.size(); i < size; i++) {
IConverterFactory fac = (IConverterFactory) _factories.get(i);
String facuri = fac.getSupportedURI();
if (facuri == null) {
ITagConverter converter = fac.createConverter(ele, mode);
if (converter != null) {
return converter;
}
}
}
// can't find. We need some default tag converter for it.
// if the tag is empty, show it as icon.
if (uri == null || IJMTConstants.URI_HTML.equals(uri)) {
// basically, for HTML or non JSP tag, directly renders it.
return new DumTagConverter(ele);
} else {
CMElementDeclaration decl = CMUtil.getElementDeclaration(ele);
if (decl == null) {
return new DumTagConverter(ele);
}
int contentType = decl.getContentType();
if (contentType == CMElementDeclaration.EMPTY) {
// if the tag is empty, show it as icon.
return new HiddenTagConverter(ele, getUnknownImage());
} else {
return new DefaultUnknownTagConverter(ele);
}
}
}
Image getUnknownImage() {
return PDPlugin.getDefault().getImage(
"palette/GENERIC/small/PD_Palette_Default.gif");
}
public static ConverterFactoryRegistry getInstance() {
if (_instance == null) {
_instance = new ConverterFactoryRegistry();
}
return _instance;
}
}
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