SPWebConfigModification, what’s up ?!?

 

//add all web.config entries

private void InsertWebConfigEntries(SPFeatureReceiverProperties properties)

        {

if (!CheckEntries(properties))

            {

using (SPSite site = properties.Feature.Parent as SPSite)

                {

                    SPWebConfigModification dsEntry = GenerateWebConfigEntry("New config key", "configuration/system.web/compilation/assemblies",

"<add assembly=\"Bartomolina.SharePoint.SPBM.Test, Version=1.0.0.0, Culture=neutral, PublicKeyToken=0123456789abcdef\" />", 100);

                    SPWebApplication currentWebApp = site.WebApplication;

                    currentWebApp.WebConfigModifications.Add(dsEntry);

                    currentWebApp.WebService.ApplyWebConfigModifications();

                    currentWebApp.Update();

                }

            }

        }

//check if the web.config entry exists. If you don't call this method you will get duplicate entries

private bool CheckEntries(SPFeatureReceiverProperties properties)

        {

using (SPSite site = properties.Feature.Parent as SPSite)

            {

                SPWebApplication currentWebApp = site.WebApplication;

                Collection<SPWebConfigModification> webConfigEntries = currentWebApp.WebConfigModifications;

foreach (SPWebConfigModification entry in webConfigEntries)

                {

if (entry.Owner == "ReceiverClass")

                    {

return true;

                    }

                }

return false;

            }

        }

//new web.config entry

private SPWebConfigModification GenerateWebConfigEntry(string modName, string sXpath, string sKey, uint iSequence)

        {

            SPWebConfigModification configMod = new SPWebConfigModification(modName, sXpath);

            configMod.Type = SPWebConfigModification.SPWebConfigModificationType.EnsureChildNode;

            configMod.Name = string.Format("add[@name='{0}']", modName);

            configMod.Owner = "ReceiverClass";

            configMod.Value = sKey;

            configMod.Sequence = iSequence;

return configMod;

        }