customizeaction.java

来自「jetspeed源代码」· Java 代码 · 共 489 行 · 第 1/2 页

    /** Updates the customized portlet entry */
    public void doUpdate(RunData rundata, Context context)
    {
        // get the customization state for this page
        SessionState customizationState = ((JetspeedRunData)rundata).getPageSessionState();

        // we should first retrieve the portlet to customize and its parameters
        // definition
        Portlet p = ((JetspeedRunData)rundata).getCustomized();
        Vector params = (Vector) customizationState.getAttribute("customize-parameters");
        String newSecurityParent = rundata.getParameters().getString("_security_ref");
        String newSkinName = (String) rundata.getParameters().getString("_skin");
        String newTitle = (String) rundata.getParameters().getString("current_title");

        boolean changeRequested = ( (params != null) || (newSkinName != null) || (newSecurityParent != null) || (newTitle != null));
        boolean madePsChange = false;
        boolean madePcChange = false;

        if ((p==null) || (changeRequested == false ))
        {
            doCancel(rundata, context);
            return;
        }
        PortletConfig pc = p.getPortletConfig();
        Profile profile = ((JetspeedRunData)rundata).getCustomizedProfile();
        Entry entry = profile.getDocument().getEntryById(p.getID());

        // Only update the security ref if the parent changed
        if ((newSecurityParent != null))
        {
            boolean securityChanged = false;
            SecurityReference currentSecurityRef = pc.getSecurityRef();
            if (currentSecurityRef != null)
            {
                securityChanged = (newSecurityParent.equals(currentSecurityRef.getParent()) == false);
            }
            else
            {
                securityChanged = (newSecurityParent.trim().length() > 0);
            }
            if (securityChanged == true)
            {
                SecurityReference securityRef = null;
                if ((newSecurityParent.trim().length() > 0))
                {
                    securityRef = new BaseSecurityReference();
                    securityRef.setParent( newSecurityParent);
                }
                // Note: setting the portlet's config may not be a good idea -
                // it might be used as the Portlet for other PSMLDocument Entries that
                // have a different idea of security - and the caching of Portlets does
                // NOT include security -ggolden.
                pc.setSecurityRef(securityRef);
                entry.setSecurityRef(securityRef);
                madePcChange = true;
            }
        }

        // Only update the skin if the name changed
        if (newSkinName != null)
        {
            boolean skinChanged = false;
            String currentSkinName = null;

            if  (pc.getSkin() != null)
                currentSkinName = pc.getPortletSkin().getName();

            if (currentSkinName != null)
            {
                skinChanged = (newSkinName.equals(currentSkinName) == false);
            }
            else
            {
                skinChanged = (newSkinName.trim().length() > 0);
            }

            if (skinChanged == true)
            {
                PortletSkin skin = null;
                if ((newSkinName.trim().length() > 0))
                {
                    skin = PortalToolkit.getSkin(newSkinName);
                    if (skin != null)
                    {
                        // Note: setting the portlet's config may not be a good idea -
                        // it might be used as the Portlet for other PSMLDocument Entries that
                        // have a different idea of skin - and the caching of Portlets does
                        // NOT include skin -ggolden.
                        pc.setPortletSkin(skin);

                        Skin psmlSkin = entry.getSkin();
                        if (psmlSkin == null)
                        {
                            entry.setSkin(new PsmlSkin());
                        }
                        entry.getSkin().setName(newSkinName);
                    }
                    else
                    {
                        logger.warn( "Unable to update skin for portlet entry " + entry.getId() + " because skin " + skin + " does not exist.");
                    }
                }
                else
                {
                    // Note: setting the portlet's config may not be a good idea -
                    // it might be used as the Portlet for other PSMLDocument Entries that
                    // have a different idea of skin - and the caching of Portlets does
                    // NOT include skin -ggolden.
                    pc.setPortletSkin( null);
                    entry.setSkin(null);
                }
                madePcChange = true;
            }
        }

        // Only update the title if the title changed
        if (newTitle != null)
        {
            boolean titleChanged = false;
            String currentTitle = entry.getTitle();

            MetaData md = pc.getMetainfo();
            if  (currentTitle == null && md != null && md.getTitle() != null)
                currentTitle = md.getTitle();

            if (currentTitle != null)
            {
                titleChanged = (newTitle.equals(currentTitle) == false);
            }
            else
            {
                titleChanged = (newTitle.trim().length() > 0);
            }

            if (titleChanged == true)
            {

                if ((newTitle.trim().length() > 0))
                {
                    // Note: setting the portlet's config may not be a good idea -
                    // it might be used as the Portlet for other PSMLDocument Entries that
                    // have a different idea of title - and the caching of Portlets does
                    // NOT include title -ggolden.
                    if (md == null) {
                        md = new MetaData();
                        pc.setMetainfo(md);
                    }
                    md.setTitle(newTitle);
                    entry.setTitle(newTitle);
                    madePcChange = true;
                }
            }
        }

        // Update paramaters
        try
        {
            PortletInstance instance = PersistenceManager.getInstance(p, rundata);
            PortletEntry regEntry = (PortletEntry) Registry.getEntry(Registry.PORTLET, p.getName());

            Iterator i = params.iterator();

            //System.out.println("==========================================");
            while(i.hasNext())
            {
                Parameter param = (Parameter)i.next();
                String name = param.getName();
                String newValue = null;
                String[] testArray = rundata.getParameters().getStrings(name);
                if (testArray != null && testArray.length > 1)
                {
                    newValue = org.apache.jetspeed.util.StringUtils.arrayToString(testArray, ",");
                }
                else 
                {
                    newValue = rundata.getParameters().getString(name);
                    if (newValue == null)
                    {
                        newValue = "";
                    }
                }
                String regValue = regEntry.getParameter(name).getValue(); //param.getValue();
                String psmlValue = instance.getAttribute(name);

                //System.out.println(name + "= [" + psmlValue + "] in psml");
                //System.out.println(name + "= [" + regValue + "] in registry");

                // New value for this parameter exists
                if (newValue != null)
                {
                    //System.out.println(name + "= [" + newValue + "] in request");
                    // New value differs from registry - record it in psml
                    if (!regValue.equals(newValue) || !psmlValue.equals(newValue))
                    {
                        instance.setAttribute(name, newValue);
                        psmlValue = newValue;
                        //System.out.println("setting attribute for [" + name + "] to [" + newValue + "]");
                    }
                    madePsChange = true;
                }
                // Remove duplicate parameters from psml
                if (psmlValue != null && psmlValue.equals(regValue))
                {
                    //System.out.println("removing attribute for [" + name + "]");
                    instance.removeAttribute(name);
                    madePsChange = true;
                }

            }

            // save all the changes
            if ((madePsChange == true) || (madePcChange == true))
            {
                try
                {
                    JetspeedRunData jdata = (JetspeedRunData) rundata;
                    profile.store();
                    //FIXME: this hack is due to the corrupted lifecycle of the portlet in the
                    //current API when caching is activated
                    p.init();
                    org.apache.jetspeed.util.PortletSessionState.setPortletConfigChanged(p, rundata);
                }
                catch (PortletException e)
                {
                    logger.error("Customizer failed to reinitialize the portlet "+p.getName(), e);
                }
                catch (Exception e)
                {
                    logger.error("Unable to save profile ",e);
                }
            }

            // we're done, make sure clean up the
            // session
            doCancel(rundata, context);
        }
        catch (Exception e)
        {
            logger.error("Exception", e);
        }
    }
}