WindowViewHandler.java

/*
 * Created on 18.5.2004
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package com.idega.faces;

import java.io.IOException;
import java.util.logging.Logger;
import javax.faces.FacesException;
import javax.faces.application.ViewHandler;
import javax.faces.component.UIComponent;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import com.idega.core.view.ViewNode;
import com.idega.idegaweb.IWMainApplication;
import com.idega.presentation.IWContext;
import com.idega.repository.data.RefactorClassRegistry;
import com.idega.faces.componentbased.CbpViewHandler;
import com.idega.faces.componentbased.Page;
import com.idega.faces.componentbased.PageWrapper;
import com.idega.util.RequestUtil;
import com.idega.util.StringHandler;

/**
 * @author tryggvil
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
public class WindowViewHandler extends CbpViewHandler{// CbpViewHandler {
	
	private static Logger log = Logger.getLogger(WindowViewHandler.class.getName());
	/**
	 * 
	 */
	//public WindowViewHandler() {
	//	super();
	//}
	
	public WindowViewHandler(ViewHandler parentViewHandler) {
		super(parentViewHandler);
		//super();
	}
	
	/**
	 * @param parentViewHandler
	 */
	public WindowViewHandler(ViewNode windowViewNode) {
		this(windowViewNode.getParent().getViewHandler());
		//this.defaultPageClass=windowViewNode.getComponentClass();
		
		//this.setParentViewHandler(parentViewHandler);
	}
	
	public UIViewRoot createView(FacesContext ctx, String viewId) {
		return super.createView(ctx, viewId);
	}
	
	/* (non-Javadoc)
	 * @see javax.faces.application.ViewHandler#createView(javax.faces.context.FacesContext, java.lang.String)
	 */
	public UIViewRoot createViewOld(FacesContext ctx, String viewId) {


		//UIComponent component = (UIComponent) Class.forName(realClassName).newInstance();
		//Page smilePage getSmilePagesWrapper(obj);
		UIViewRoot ret = new UIViewRoot();
		
		

		try {
			if(isFrameRequestOld(ctx)){
				IWContext iwc = IWContext.getIWContext(ctx);
				com.idega.presentation.Page frame = com.idega.presentation.Page.loadPage(iwc);
				String frameId = (String)ctx.getExternalContext().getRequestParameterMap().get(com.idega.presentation.Page.IW_FRAMESET_PAGE_PARAMETER);
				String newViewId = viewId+frameId;
				ret.setViewId(newViewId);
					
				Page page = new PageWrapper(frame);
				page.init(ctx,ret);
			}
			else{
				ret.setViewId(viewId);
				Class descriptorClazz = null;
				try {
					descriptorClazz = getDescriptorClassNameForViewId(viewId);
				} catch (ClassNotFoundException e) {
					try {
						HttpServletRequest req = (HttpServletRequest) ctx.getExternalContext().getRequest();
						String referer = RequestUtil.getReferer(req);
						System.err.println("[WindowViewHandler] Referer = "+referer);
					} catch (Exception ex) {
						System.err.println("[WindowViewHandler] Failed getting referer ("+ex.getMessage()+")");
					}
					throw e;
				}
				if(descriptorClazz == null) { 
					// JSP page....
				} else {
					if(Page.class.isAssignableFrom(descriptorClazz)) {
						Page page = (Page) descriptorClazz.newInstance();
						page.init(ctx,ret);
					} else {
						Page page = new PageWrapper((UIComponent)descriptorClazz.newInstance());
						page.init(ctx,ret);
					}
				}
			}
		} catch(IllegalAccessException e) {
			//throw new SmileException("Please make sure that the default constructor for descriptor class of <" + viewId + "> is public.",e);
			throw new RuntimeException("Please make sure that the default constructor for descriptor class of <" + viewId + "> is public.",e);
		} catch(InstantiationException e) {
			//throw new SmileException("An exception was generated by the default constructor of the descriptor class of <" + viewId + ">.",e);
			throw new RuntimeException("An exception was generated by the default constructor of the descriptor class of <" + viewId + ">.",e);
		} catch(Throwable t) {
			//throw new SmileException("Descriptor Class for '" + viewId + "' threw an exception during initialize() !",t);
			//throw new RuntimeException("Descriptor Class for '" + viewId + "' threw an exception during initialize() !",t);
			
			t.printStackTrace();
			
			Page page;
			try {
				page = new PageWrapper((UIComponent) getDefaultPageClass().newInstance());
				page.init(ctx,ret);
			} catch (InstantiationException e1) {
				log.warning(e1.getMessage());
			} catch (IllegalAccessException e1) {
				log.warning(e1.getMessage());
			} catch (ClassNotFoundException e1) {
				log.warning(e1.getMessage());
			}
		
		}

		//set the locale
		ret.setLocale(calculateLocale(ctx));

		//set the view on the session
		//ctx.getExternalContext().getSessionMap().put(net.sourceforge.smile.application.CbpStateManagerImpl.SESSION_KEY_CURRENT_VIEW,ret);
		
		return ret;
	}
	
	/**
	 * @param ctx
	 * @return
	 */
	private boolean isFrameRequestOld(FacesContext ctx) {
		String value = (String)ctx.getExternalContext().getRequestParameterMap().get(com.idega.presentation.Page.IW_FRAMESET_PAGE_PARAMETER);
		if(value!=null){
			return true;
		}
		return false;
	}
	private Class getDescriptorClassNameForViewId(String viewId) throws ClassNotFoundException{
		String encryptedClassName = null;
		//if(viewId.startsWith("/window")){
		//	encryptedClassName = viewId.substring(11,viewId.length());
		//}
		//else{
			String[] urlArray= StringHandler.breakDownURL(viewId);
			if(urlArray == null || urlArray.length<1){
				//encryptedClassName = "6975";
				Class defaultClass = RefactorClassRegistry.forName("com.idega.workspace.WorkspaceLoginPage");
				encryptedClassName = IWMainApplication.getEncryptedClassName(defaultClass);
			}
			else if(urlArray.length==1){
				encryptedClassName = urlArray[0];
			}
			else if(urlArray.length==2){
				encryptedClassName = urlArray[1];
			}
			
			//String encryptedClassName=urlArray[1];
		//}
		String realClassName = IWMainApplication.decryptClassName(encryptedClassName);
		return RefactorClassRegistry.forName(realClassName);
	}
	/* (non-Javadoc)
	 * @see javax.faces.application.ViewHandler#renderView(javax.faces.context.FacesContext, javax.faces.component.UIViewRoot)
	 */
	public void renderView(FacesContext ctx, UIViewRoot viewId)
			throws IOException, FacesException {
		//super.cbpRenderView(ctx, viewId);
		super.renderView(ctx,viewId);
	}
	
	public Class getDefaultPageClass() throws ClassNotFoundException{
		return RefactorClassRegistry.forName("com.idega.workspace.WorkspaceLoginPage");
		//return defaultPageClass;
	}
}