| /******************************************************************************* |
| * Copyright (c) 2006 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: |
| * Cameron Bateman/Oracle - initial API and implementation |
| * |
| ********************************************************************************/ |
| |
| package org.eclipse.jst.jsf.designtime.internal.symbols; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jst.jsf.context.symbol.ISymbol; |
| import org.eclipse.jst.jsf.context.symbol.source.AbstractSymbolSourceProviderFactory; |
| import org.eclipse.jst.jsf.context.symbol.source.ISymbolConstants; |
| import org.eclipse.jst.jsf.context.symbol.source.ISymbolSourceProvider; |
| import org.eclipse.jst.jsf.core.internal.JSFCorePlugin; |
| import org.eclipse.jst.jsf.designtime.internal.jsp.JSPModelProcessor; |
| import org.eclipse.jst.jsf.designtime.symbols.FileContextUtil; |
| import org.eclipse.jst.jsf.designtime.symbols.SymbolUtil; |
| |
| |
| /** |
| * Self-factory for a symbol provider that derives symbol information from |
| * meta-data annotations on tag attributes that declare runtime EL variables |
| * |
| * @author cbateman |
| * |
| */ |
| public class JSPTagVariableSymbolSourceProvider extends |
| AbstractSymbolSourceProviderFactory implements ISymbolSourceProvider |
| { |
| protected ISymbolSourceProvider create(IProject project) |
| { |
| return this; |
| } |
| |
| public ISymbol[] getSymbols(IAdaptable context, int symbolScopeMask) |
| { |
| final IFile fileContext = FileContextUtil.deriveIFileFromContext(context); |
| |
| if (isProvider(fileContext) && fileContext.isAccessible()) |
| { |
| JSPModelProcessor modelProcessor = null; |
| |
| try |
| { |
| modelProcessor = JSPModelProcessor.get(fileContext); |
| |
| // ensure internal model is sync'ed with document |
| // but don't force refresh |
| modelProcessor.refresh(!JSPModelProcessor.FORCE_REFRESH, JSPModelProcessor.RUN_ON_CURRENT_THREAD); |
| final List<ISymbol> symbols = new ArrayList(); |
| |
| if ((symbolScopeMask & ISymbolConstants.SYMBOL_SCOPE_REQUEST) != 0) |
| { |
| symbols.addAll(modelProcessor.getMapForScope(ISymbolConstants.SYMBOL_SCOPE_REQUEST_STRING).values()); |
| } |
| if ((symbolScopeMask & ISymbolConstants.SYMBOL_SCOPE_SESSION) != 0) |
| { |
| symbols.addAll(modelProcessor.getMapForScope(ISymbolConstants.SYMBOL_SCOPE_SESSION_STRING).values()); |
| } |
| if ((symbolScopeMask & ISymbolConstants.SYMBOL_SCOPE_APPLICATION) != 0) |
| { |
| symbols.addAll(modelProcessor.getMapForScope(ISymbolConstants.SYMBOL_SCOPE_APPLICATION_STRING).values()); |
| } |
| if ((symbolScopeMask & ISymbolConstants.SYMBOL_SCOPE_NONE) != 0) |
| { |
| symbols.addAll(modelProcessor.getMapForScope(ISymbolConstants.SYMBOL_SCOPE_NONE_STRING).values()); |
| } |
| if ((symbolScopeMask & ISymbolConstants.SYMBOL_SCOPE_VIEW) != 0) |
| { |
| symbols.addAll(modelProcessor.getMapForScope(ISymbolConstants.SYMBOL_SCOPE_VIEW_STRING).values()); |
| } |
| if ((symbolScopeMask & ISymbolConstants.SYMBOL_SCOPE_FLASH) != 0) |
| { |
| symbols.addAll(modelProcessor.getMapForScope(ISymbolConstants.SYMBOL_SCOPE_FLASH_STRING).values()); |
| } |
| return symbols.toArray(ISymbol.EMPTY_SYMBOL_ARRAY); |
| } |
| catch (Exception e) |
| { |
| JSFCorePlugin.getDefault().getLog().log(new Status(IStatus.ERROR, JSFCorePlugin.PLUGIN_ID, 0, "Error acquiring model processor",e)); //$NON-NLS-1$ |
| // fall-through to empty symbol array |
| } |
| } |
| |
| return ISymbol.EMPTY_SYMBOL_ARRAY; |
| } |
| |
| public ISymbol[] getSymbols(String prefix, IAdaptable context, |
| int symbolScopeMask) { |
| return SymbolUtil. |
| filterSymbolsByPrefix(getSymbols(context, symbolScopeMask), prefix); |
| } |
| |
| public boolean isProvider(IAdaptable context) |
| { |
| IFile file = FileContextUtil.deriveIFileFromContext(context); |
| |
| return (file != null |
| && file.getProject() == this.getProject()); |
| } |
| } |