jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/jsflibraryconfig/JSFLibraryConfigModelAdapter.java

/*******************************************************************************
 * 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:
 *    Justin Chen - development check in
 *******************************************************************************/
package org.eclipse.jst.jsf.core.internal.jsflibraryconfig;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import org.eclipse.core.resources.IProject;
import org.eclipse.emf.common.util.EList;
import org.eclipse.jst.jsf.core.internal.JSFCorePlugin;
import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibrary;
import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibraryRegistry;

/**
 * 
 * @author Justin Chen - Oracle
 */
public class JSFLibraryConfigModelAdapter {
	private IProject project;
	private JSFLibraryRegistry jsfLibReg;
	private List colJSFImplLib;
	private List colJSFCompLib;	
	private JSFLibraryConfigPersistData data;
	private JSFLibraryDecorator preSelectedJSFImpl = null;
	
	/**
	 * @param project
	 */
	public JSFLibraryConfigModelAdapter(IProject project) {		
		this.project = project;
		this.jsfLibReg = JSFCorePlugin.getDefault().getJSFLibraryRegistry();
		this.data = new JSFLibraryConfigPersistData(this.project);
		preSelectedJSFImpl = data.getSelectedJSFLibImplementation();
	}
	
	/**
	 * (non-Javadoc)
	 * @see org.eclipse.jst.jsf.ui.properties.IJSFLibraryDecoratorProvider#getProject()
	 */
	public IProject getProject() {
		return project;
	}
	
	/**
	 * (non-Javadoc)
	 * @see org.eclipse.jst.jsf.ui.properties.IJSFLibraryDecoratorProvider#getJSFLibraryRegistry()
	 */
	public JSFLibraryRegistry getJSFLibraryRegistry() {
		return jsfLibReg;
	}

	/**
	 * (non-Javadoc)
	 * @return List
	 * @see org.eclipse.jst.jsf.ui.properties.IJSFLibraryDecoratorProvider#getProjectJSFImplementationLibraries()
	 */
	public List getProjectJSFImplementationLibraries() {
		
		if (colJSFImplLib == null) {
			List list = new ArrayList(Collections.EMPTY_LIST);
			if (data.getSelectedJSFLibImplementation() != null) {
				list.add(data.getSelectedJSFLibImplementation());
			}
			colJSFImplLib = buildJSFLibraryDecoratorList(jsfLibReg.getImplJSFLibraries(), list);
		}
		return colJSFImplLib;
		
	}

	/**
	 * (non-Javadoc)
	 * @return List
	 * @see org.eclipse.jst.jsf.ui.properties.IJSFLibraryDecoratorProvider#getProjectJSFComponentLibraries()
	 */
	public List getProjectJSFComponentLibraries() {
		
		if (colJSFCompLib == null) {
			colJSFCompLib = buildJSFLibraryDecoratorList(jsfLibReg.getNonImplJSFLibraries(), 
					data.getSelectedJSFLibComponent() );			
		}
		return colJSFCompLib;
		
	}	

	/**
	 * (non-Javadoc)
	 * @param selJSFLibImpl 
	 * @param selJSFLibComp 
	 * @see org.eclipse.jst.jsf.core.internal.jsflibraryregistry.util.IJSFLibraryDecoratorProvider#saveModel(java.util.List, java.util.List)
	 */
	public void saveData(List selJSFLibImpl, List selJSFLibComp) {
		
		data.saveData(selJSFLibImpl, selJSFLibComp);
		
		// flush current list
		colJSFImplLib = null;
		colJSFCompLib = null;
		
	}
	
	/**
	 * @return JSFLibraryDecorator
	 */
	public JSFLibraryDecorator getSelectedJSFImplementation() {		
		return data.getSelectedJSFLibImplementation();		
	}
	
	/**
	 * @return JSFLibraryDecorator
	 */
	public JSFLibraryDecorator getPreviousJSFImplementation() {
		return preSelectedJSFImpl;
	}
	
	/**
	 * @return List
	 */
	public List getSelectedJSFComponent() {		
		return data.getSelectedJSFLibComponent();
	}

	
	private List buildJSFLibraryDecoratorList(EList wsJSFLibs, List pjJSFLibs) {
		
		List list = new ArrayList(Collections.EMPTY_LIST);
		
		JSFLibraryDecorator newPrjJSFLib;
		JSFLibraryDecorator prjJSFLib = null;
		JSFLibrary jsfLib;
		Iterator it = wsJSFLibs.iterator();
		while(it.hasNext()) {
			jsfLib = (JSFLibrary)it.next();
			
			Iterator itPrjLibs = pjJSFLibs.iterator();
			boolean selected = false;
			while(itPrjLibs.hasNext()) {
				prjJSFLib = (JSFLibraryDecorator)itPrjLibs.next();
				selected = prjJSFLib.getID().equals(jsfLib.getID());
				if (selected) {
					break;
				}
			}	
			if (selected && prjJSFLib != null) {
				newPrjJSFLib = prjJSFLib;
			} else {
				newPrjJSFLib = new JSFLibraryDecorator(jsfLib, false, true);
			}
			list.add(newPrjJSFLib);			
		}
		
		return list;
	}
	
}