managecomponents.java

java 写的一个新闻发布系统

// $Id: ManageComponents.java,v 1.4 2002/08/28 14:34:07 knguyen Exp $
//
//                                   ____.
//                       __/\ ______|    |__/\.     _______
//            __   .____|    |       \   |    +----+       \
//    _______|  /--|    |    |    -   \  _    |    :    -   \_________
//   \\______: :---|    :    :           |    :    |         \________>
//           |__\---\_____________:______:    :____|____:_____\
//                                      /_____|
//
//              . . . i n   j a h i a   w e   t r u s t . . .
//
//
//  ManageComponents
//
//  01.04.2001  AK  added in jahia.
//  15.05.2001  NK  clean bunch of codes.
//

package org.jahia.admin.components;

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

import org.jahia.bin.*;
import org.jahia.utils.*;
import org.jahia.utils.properties.*;
import org.jahia.registries.*;
import org.jahia.exceptions.*;
import org.jahia.params.*;

import org.jahia.services.sites.*;
import org.jahia.services.jef.*;
import org.jahia.data.webapps.*;
import org.jahia.data.applications.*;

import org.jahia.services.database.*;
import org.jahia.services.usermanager.*;
import org.jahia.services.applications.*;
import org.jahia.services.webapps_deployer.*;
import org.jahia.services.shares.*;

import org.jahia.security.license.*;



/**
 * desc:  This class is used by the administration to manage
 * all the components you've added to your Jahia portal. You can add a
 * component, edit, change the visibility of the component and edit
 * its options. You can also view non-installed components.
 *
 * Copyright:    Copyright (c) 2002
 * Company:      Jahia Ltd
 *
 * @author Khue N'Guyen
 * @author Alexandre Kraft
 * @version 1.0
 */
public class ManageComponents
{
    
    private static final String     CLASS_NAME          =  JahiaAdministration.CLASS_NAME;
    private static final String     JSP_PATH            =  JahiaAdministration.JSP_PATH;

    private static final String     MSG_INTERNAL_ERROR  = new String ("Jahia Administration internal error");   

	private JahiaSite site;
	private JahiaUser user;
	private ServicesRegistry sReg;

	private LicenseKey mLicenseKey;

    /**
	 * Default constructor.
	 * @author  Alexandre Kraft
	 *
	 * @param   request       Servlet request.
     * @param   response      Servlet response.
     * @param   session       Servlet session for the current user.
	 */
    public ManageComponents( HttpServletRequest       request,
                             HttpServletResponse      response,
                             HttpSession              session )
    throws Throwable
    {       	

	    mLicenseKey = Jahia.getLicenseKey();
	    if ( mLicenseKey == null ){
	        // set request attributes...
    	    request.setAttribute("jahiaDisplayMessage",  "Invalid License Key");
        	// redirect...
        	JahiaAdministration.doRedirect( request, response, session, JSP_PATH + "menu.jsp" );
        	return;
	    }

        userRequestDispatcher( request, response, session );
    } // end constructor



    //-------------------------------------------------------------------------
    /**
     * This method is used like a dispatcher for user requests.
     * @author  Alexandre Kraft
     *
     * @param   request       Servlet request.
     * @param   response      Servlet response.
     * @param   session       Servlet session for the current user.
     */
    private void userRequestDispatcher( HttpServletRequest    request,
                                        HttpServletResponse   response,
                                        HttpSession           session )
    throws Throwable
    {
        String operation =  request.getParameter("sub");

        sReg = ServicesRegistry.getInstance();
		
        // check if the user has really admin access to this site...
        user =  (JahiaUser) session.getAttribute( ParamBean.SESSION_USER ); 
        site =  (JahiaSite) session.getAttribute( ParamBean.SESSION_SITE );
		
		if ( site != null && user != null && sReg != null){
			
			if ( JahiaSiteTools.getAdminGroup(site).isMember(user) ){

        		// set the new site id to administrate...
        		request.setAttribute( "site", site );

		        if(operation.equals("display")) {
		            displayComponentList( request, response, session );
		        } else if(operation.equals("displaynewlist")) {
		            displayNewComponentList( request, response, session );
		        } else if(operation.equals("details")) {
		            displayNewComponentDetail( request, response, session );
		        } else if(operation.equals("visibility")) {
		            confirmComponentVisibilityChange( request, response, session );
		        } else if(operation.equals("savevisibility")) {
		            saveComponentVisibility( request, response, session );
		        } else if(operation.equals("edit")) {
		            editComponent( request, response, session );
		        } else if(operation.equals("add")) {
		            addComponent( request, response, session );
		        } else if(operation.equals("share")) {
		            shareComponent( request, response, session );
		        } else if(operation.equals("options")) {
		            editComponentOption( request, response, session );
		        } else if(operation.equals("decryptjec")) {
		            decryptJec( request, response, session );
		        }

	        } else {	
            	//System.out.println(" --> no admin access on this site <--");
                request.setAttribute("jahiaDisplayMessage", 
                						"An error occured while processing your request");
       			JahiaAdministration.doRedirect( request, 
       											response, 
       											session, JSP_PATH + "menu.jsp" );
	       	}
		} else {       	
            request.setAttribute("jahiaDisplayMessage", 
            						"An error occured while processing your request");
       		JahiaAdministration.doRedirect( request, 
       										response, 
       										session, JSP_PATH + "menu.jsp" );
		}
    } // userRequestDispatcher



    //-------------------------------------------------------------------------
    /**
     * Display the list of components.
     * @author  NK
     *
     * @param   request         Servlet request.
     * @param   response        Servlet response.
     * @param   session         HttpSession object.
     */
    private void displayComponentList( HttpServletRequest   request,
                                       HttpServletResponse  response,
                                       HttpSession          session )
    throws IOException, ServletException
    {
	    try {
			
			JahiaApplicationsManagerService appPersServ = 
			sReg.getJahiaApplicationsManagerService();
			
			AppsShareService appShareServ = sReg.getAppsShareService();
			
			if ( appPersServ == null || appShareServ == null ){
	            throw new JahiaException(	"Unavailable Services",
                                        	"Unavailable Services", 
                                        	JahiaException.SERVICE_ERROR, 
                                        	JahiaException.ERROR );
			}
			
	        // all apps
	        Vector appList = appPersServ.getApplications();
	        
	        // list of authorized apps
	        Vector authAppList = new Vector();
	        
	        int size = appList.size();
	        ApplicationBean app =null;
	        for (int i=0 ; i<size ; i++){
	        	app = (ApplicationBean)appList.get(i);
	        	if ( app.isShared() || (app.getJahiaID() == site.getID()) 
	        			|| ( appShareServ.getShare(site,app) != null ) ){
	        		authAppList.add(app);
	        	}			
	        }

            request.setAttribute("appsList", authAppList.elements());

			JahiaAdministration.doRedirect( request, 
											response, 
											session, 
											JSP_PATH + "manage_components.jsp" );

	    } catch ( JahiaException je ){
            request.setAttribute("jahiaDisplayMessage", 
            						"An error occured while processing your request");
			JahiaAdministration.doRedirect( request, 
											response, 
											session, 
											JSP_PATH + "menu.jsp" );
	    }

        
    } // end displayComponentList



    //-------------------------------------------------------------------------
    /**
     * Display the list of new components.
     *
     * @author  NK
     * @param   request         Servlet request.
     * @param   response        Servlet response.
     * @param   session         HttpSession object.
     */
    private void displayNewComponentList( HttpServletRequest   request,
                                       HttpServletResponse  response,
                                       HttpSession          session )
    throws IOException, ServletException
    {

		try {
			JahiaWebAppsDeployerService appDepServ = sReg.getJahiaWebAppsDeployerService();
			
			if ( appDepServ == null ){
	            throw new JahiaException(	"Unavailable Services",
                                        	"Unavailable Services", 
                                        	JahiaException.SERVICE_ERROR, 
                                        	JahiaException.ERROR );
			}

	        // get the list of new web apps
	        Enumeration newWebAppsKeys = appDepServ.getWebAppsPackageKeys(site.getSiteKey());
	        
	        Enumeration enum = appDepServ.getWebAppsPackages(site.getSiteKey());
	        Vector vec = new Vector();
	        JahiaWebAppsPackage aPackage = null;
	
	        while (enum.hasMoreElements()){
	            aPackage = (JahiaWebAppsPackage)enum.nextElement();
	            if ( aPackage != null ){
	                vec.add(aPackage);
	            } else {
	                //System.out.println("displayNewComponentList packages is null");
	            }
	        }
	
	        request.setAttribute("packagesList", vec.elements());
	
	        JahiaAdministration.doRedirect( request, 
	        								response, 
	        								session, 
	        								JSP_PATH + "new_components.jsp" );
	    } catch ( JahiaException je ){
            request.setAttribute("jahiaDisplayMessage", 
            						"An error occured while processing your request");
			JahiaAdministration.doRedirect( request, 
											response, 
											session, 
											JSP_PATH + "menu.jsp" );
	    }

    }


    //-------------------------------------------------------------------------
    /**
     * Display informations about a new component
     *
     * @author  NK
     * @param   request         Servlet request.
     * @param   response        Servlet response.
     * @param   session         HttpSession object.
     */
    private void displayNewComponentDetail( HttpServletRequest   request,
                                            HttpServletResponse  response,
                                            HttpSession          session )
    throws IOException, ServletException
    {

		
		try {
			JahiaWebAppsDeployerService appDepServ = sReg.getJahiaWebAppsDeployerService();
			
			if ( appDepServ == null ){
		        throw new JahiaException(	"Unavailable Services",
		                                	"Unavailable Services", 
		                                	JahiaException.SERVICE_ERROR, 
		                                	JahiaException.ERROR );
			}
		
		    // get the new component
		    String packageName = (String)request.getParameter("package_name");
		    JahiaWebAppsPackage aPackage = (JahiaWebAppsPackage)appDepServ
		    								.getWebAppsPackage(	site.getSiteKey() 
		    													+ "_" 
		    													+ packageName);
		
		    String subAction =(String)request.getParameter("subaction");
		
		    if ( subAction == null ){
		    	request.setAttribute("canDeploy",new Boolean(appDepServ.canDeploy())); 
		        request.setAttribute("aPackage", aPackage);
		        JahiaAdministration.doRedirect( request, 
		        								response, 
		        								session, 
		        								JSP_PATH + "new_component_detail.jsp" );
		    } else if ( subAction.equals("deploy") ){
		
		        try {
		            if (appDepServ.deploy(	site, 
		            						aPackage.getContextRoot(), 
		            						aPackage.getFilePath())){
		            
		                displayNewComponentList(request,response,session);
		            
		            } else {
		                session.setAttribute( CLASS_NAME + "jahiaDisplayMessage", 
		                					  "An error occurred while deploying the package");
		                request.setAttribute( "aPackage", aPackage );
		                JahiaAdministration.doRedirect( request, 
		                								response, 
		                								session, 
		                								JSP_PATH + "new_component_detail.jsp" );
		            }
		        } catch ( JahiaException je ){
		            request.setAttribute("aPackage", aPackage);
		            session.setAttribute( CLASS_NAME + "jahiaDisplayMessage", 
		            					  "An error occurred while deploying the package");
		            JahiaAdministration.doRedirect( request, 
		            								response, 
		            								session, 
		            								JSP_PATH + "new_component_detail.jsp" );
		        }
		    } else if ( subAction.equals("delete") ){
		
		        try {
		            if (appDepServ.deletePackage(site,aPackage.getFilePath())){
		                displayNewComponentList(request,response,session);
		            } else {
		                request.setAttribute("aPackage", aPackage);
		                session.setAttribute( CLASS_NAME + "jahiaDisplayMessage", 
		                					  "An error occurred while deleting the package");
		                JahiaAdministration.doRedirect( request, 
		                								response, 
		                								session, 
		                								JSP_PATH + "new_component_detail.jsp" );
		            }
		        } catch ( IOException ioe ){
		            session.setAttribute( CLASS_NAME + "jahiaDisplayMessage", 
		            					  "An error occurred while deleting the package");
		            JahiaAdministration.doRedirect( request, 
		            								response, 
		            								session, 
		            								JSP_PATH + "new_component_detail.jsp" );
		        }
		    }

	    } catch ( JahiaException je ){
            request.setAttribute("jahiaDisplayMessage", 
            						"An error occured while processing your request");
			JahiaAdministration.doRedirect( request, 
											response, 
											session, 
											JSP_PATH + "menu.jsp" );