| /******************************************************************************* |
| * 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.elementedit; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jst.jsf.common.dom.TagIdentifier; |
| import org.eclipse.jst.jsf.core.internal.tld.TagIdentifierFactory; |
| import org.eclipse.jst.pagedesigner.PageDesignerTraceOptions; |
| import org.eclipse.jst.pagedesigner.elementedit.html.HTMLElementEditFactory; |
| import org.eclipse.jst.pagedesigner.elementedit.jsp.JSPElementEditFactory; |
| import org.w3c.dom.Element; |
| |
| /** |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class ElementEditFactoryRegistry |
| { |
| List _factories = new ArrayList(); |
| |
| private static ElementEditFactoryRegistry _instance; |
| |
| /** |
| * |
| */ |
| private ElementEditFactoryRegistry() |
| { |
| final List<IElementEditFactory> facs = ElementEditFacRegistryReader |
| .getAllHandlers(); |
| |
| if (facs != null) |
| { |
| for (final IElementEditFactory fac : facs) |
| { |
| addFactory(fac); |
| } |
| } |
| addFactory(new HTMLElementEditFactory()); |
| addFactory(new JSPElementEditFactory()); |
| } |
| |
| /** |
| * Add a factory to list available. |
| * |
| * @param fac |
| */ |
| public void addFactory(final IElementEditFactory fac) |
| { |
| _factories.add(fac); |
| } |
| |
| /** |
| * @param tagIdentifier |
| * @return an IElementEdit constructed for the tag uniquely identified by |
| * the ns uri (tag uri for JSP tags) and tagName (element name) or |
| * null if the system can't create one. |
| */ |
| public IElementEdit createElementEdit(final TagIdentifier tagIdentifier) |
| { |
| final String uri = tagIdentifier.getUri(); |
| |
| // first round, match uri |
| for (int i = 0, size = _factories.size(); i < size; i++) |
| { |
| final IElementEditFactory fac = (IElementEditFactory) _factories.get(i); |
| final String facuri = fac.getSupportedURI(); |
| if (facuri != null && facuri.equalsIgnoreCase(uri)) |
| { |
| final IElementEdit elementEdit = fac.createElementEdit(tagIdentifier); |
| if (elementEdit != null) |
| { |
| if (PageDesignerTraceOptions.TRACE_ELEMENTEDITSELECTION) |
| { |
| PageDesignerTraceOptions.log("ElementEditFactoryRegistry: first loop, "+ //$NON-NLS-1$ |
| String.format("Selected %s for uri=%s, tagname=%s", elementEdit.getClass().getName(),uri, tagIdentifier.getTagName())); //$NON-NLS-1$ |
| } |
| return elementEdit; |
| } |
| } |
| } |
| // second round |
| for (int i = 0, size = _factories.size(); i < size; i++) |
| { |
| final IElementEditFactory fac = (IElementEditFactory) _factories.get(i); |
| final String facuri = fac.getSupportedURI(); |
| if (facuri == null) |
| { |
| final IElementEdit elementEdit = fac.createElementEdit(tagIdentifier); |
| if (elementEdit != null) |
| { |
| if (PageDesignerTraceOptions.TRACE_ELEMENTEDITSELECTION) |
| { |
| PageDesignerTraceOptions.log("ElementEditFactoryRegistry: second loop, "+ //$NON-NLS-1$ |
| String.format("Selected %s for uri=%s, tagname=%s", elementEdit.getClass().getName(),uri, tagIdentifier.getTagName())); //$NON-NLS-1$ |
| } |
| return elementEdit; |
| } |
| } |
| } |
| |
| if (PageDesignerTraceOptions.TRACE_ELEMENTEDITSELECTION) |
| { |
| PageDesignerTraceOptions.log("ElementEditFactoryRegistry: no element edit found, returning null for "+ //$NON-NLS-1$ |
| String.format("uri=%s, name=%s", tagIdentifier.getUri(), tagIdentifier.getTagName())); //$NON-NLS-1$ |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Convenience method for createElementEdit(uri, tagName) that takes a tag |
| * element. |
| * |
| * @param ele |
| * @return an element edit |
| */ |
| public IElementEdit createElementEdit(final Element ele) |
| { |
| final TagIdentifier tagIdentifier = TagIdentifierFactory |
| .createDocumentTagWrapper(ele); |
| return createElementEdit(tagIdentifier); |
| } |
| |
| /** |
| * @return the single instance of the factory registry |
| */ |
| public synchronized static ElementEditFactoryRegistry getInstance() |
| { |
| if (_instance == null) |
| { |
| _instance = new ElementEditFactoryRegistry(); |
| } |
| return _instance; |
| } |
| } |