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• Greasemonkey script, that creates Kineticjs drag and drop canvas over every website

  - by Michael Moeller

  I'd like to put a drag and drop canvas over every website I visit in Firefox. My Greasemonkey script puts a drag and drop canvas under every page: kinetic.user.js: // ==UserScript== // @name kineticjs_example // @description Canvas Drag and Drop // @include * // @require http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js // @require http://d3lp1msu2r81bx.cloudfront.net/kjs/js/lib/kinetic-v4.7.2.min.js // ==/UserScript== var div = document.createElement( 'div' ); with( div ) { setAttribute( 'id', 'container' ); } // append at end document.getElementsByTagName( 'body' )[ 0 ].appendChild( div ); var stage = new Kinetic.Stage({ container: 'container', width: 1000, height: 1000 }); var layer = new Kinetic.Layer(); var rectX = stage.getWidth() / 2 - 50; var rectY = stage.getHeight() / 2 - 25; var box = new Kinetic.Rect({ x: rectX, y: rectY, width: 100, height: 50, fill: '#00D2FF', stroke: 'black', strokeWidth: 4, draggable: true }); // add cursor styling box.on('mouseover', function() { document.body.style.cursor = 'pointer'; }); box.on('mouseout', function() { document.body.style.cursor = 'default'; }); layer.add(box); stage.add(layer); How can I drag and drop this shape over the entire website?

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• How can I hide this overlay element intelligently?

  - by inkedmn

  The site I'm working on has a collection of navigation elements across the top ("Products", "Company", etc.). When you mouse over the Products link, an overlay appears that shows a list of products with links to each. There's a small link at the top of the container that, when clicked, closes the container. All of this works as advertised. The client has asked that, once a user's mouse pointer is a sufficient distance from the overlay element, the overlay element would close (without them having to click the 'close' link). This element appears on multiple pages that have disparate content, so I'm afraid it won't be as simple as adding a mouseover listener to another single element within the page and have it work everywhere. My question, I suppose, is this: is there a relatively easy way to know when the mouse cursor is x pixels away from this container and trigger an event when this occurs? My other thought is that I could just find several elements on the page that fit this criteria and add mouseover listeners to each, but I'm assuming there's a more elegant way of handling this. Thanks in advance - and please let me know if more detail is needed.

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• jQuery Mobile: How to run a callback-function before $.mobile.changePage?

  - by Jugi84

  I'm setting up a mobile app with jQuery Mobile and PhoneGap. What I want to do is that when I click link with id "news_link" I want jQuery to fetch data from database and put it to jQm's collapsible set. In my solution, I've wanted to use $.mobile.changePage inside callback functions because I want to wait until the data has been fetched and put inside the container before the code changes page. Here's the code: $(function() { $('#news_link').click(function(){ loadNewsFromDB(function(){ $.mobile.changePage( $("#news"), { transition: "slideup"} ); }); }); loadNewsFromDB is PhoneGap's SQLite database function which would fetch the data with more callback functions from database. The contents would be put to desired container with .html-function function loadNewsFromDB(){ //some code here theDB.transaction(function(tx) { tx.executeSql(sqlStr, [], onLoadNewsSuccess, onLoadNewsError); },onTxError, onTxSuccess); function onLoadNewsSuccess(tx, results){ //some code here $("#newsSet").html(htmlCodeAndContentToPut); Html is jQm's basic ui-modules: <!-- some html code here --!> <div data-role="page" id="news"> <div data-role="content"> <div id="newsSet" data-role="collapsible-set" data-mini="true"> With debugging I know that the code work up until it works very well unti it arrives to $.mobile.changePage-function. Somehow it doesn't change the page. I've checked the function it works well in other occasions, but not inside callback-functions. I would be very grateful if someone would give me a hand am I not seeing something obviously wrong or is something more specific? What other workarounds there is for fetching the data from SQLite, waiting for data to be fetched, putting the data to container and then changing the pages?

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• Why can't I pass an object of type T to a method on an object of type <? extends T>?

  - by Matt

  In Java, assume I have the following class Container that contains a list of class Items: public class Container<T> { private List<Item<? extends T>> items; private T value; public Container(T value) { this.value = value; } public void addItem(Item item) { items.add(item); } public void doActions() { for (Item item : items) { item.doAction(value); } } } public abstract class Item<T> { public abstract void doAction(T item); } Eclipse gives the error: The method doAction(capture#1-of ? extends T) in the type Item is not applicable for the arguments (T) I've been reading generics examples and various postings around, but I still can't figure out why this isn't allowed. Eclipse also doesn't give any helpful tips in its proposed fix, either. The variable value is of type T, why wouldn't it be applicable for ? extends T?.

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• Jquery Mobile 1.2 Multiple Checkbox Selection Issue

  - by user1819957

  I'm coding a Jquery Mobile 1.2, Jquery 1.8.2, css, and HTML 5 based app that I need to allow the user to select multiple images and execute a command. The following works if I do NOT use the jquery.mobile-1.2.0.min.js library: CSS Code: .image-checkbox-container input[type="checkbox"]{ display: none; } .image-checkbox-container img{ border: 0; margin: 4px; } HTML: JQuery: $('.image-checkbox-container img').live('click', function(){ if(!$(this).prev('input[type="checkbox"]').prop("checked")){ $(this).prev('input[type="checkbox"]').prop("checked", true); this.style.border = '4px solid #38A'; this.style.margin = '0px'; }else{ $(this).prev('input[type="checkbox"]').prop("checked", false); this.style.border = '0'; this.style.margin = '4px'; } }); As soon as I add in the jquery.mobile-1.2.0.min.js library to the code it does not function correctly anymore. The unchecking/unselecting of the checkboxes does not work. I attempted to use the checkboxradio("refresh") but did not have any luck. Any suggestions would be much appreciated. Thanks

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• Insert and remove Template textbox column in grid view

  - by user1545215

  class TextColumn : ITemplate { private string controlId; private string cssClass; public TextColumn(string id, string cssClass = "inputFromTo") { controlId = id; this.cssClass = cssClass; } public void InstantiateIn(Control container) { TextBox txt = new TextBox(); txt.ID = controlId; txt.CssClass = cssClass; container.Visible = true; container.Controls.Add(txt); } } /******************* Add column code snippet ***************/ TemplateField dentry = new TemplateField(); TemplateField dexit = new TemplateField(); TemplateField dslack = new TemplateField(); dentry.ItemTemplate = new TextColumn("txtHH" + nameCount + "DEntry"); dexit.ItemTemplate = new TextColumn("txtHH" + nameCount + "DExit"); dslack.ItemTemplate = new TextColumn("txtHH" + nameCount + "DSlack"); gvOfcBlowingReport.Columns.Insert(startPoint, dentry); gvOfcBlowingReport.Columns.Insert(startPoint + 1, dexit); gvOfcBlowingReport.Columns.Insert(startPoint + 2, dslack); /***************** Remove column code snippet ************/ gvOfcBlowingReport.Columns.RemoveAt(startPoint - 1); gvOfcBlowingReport.Columns.RemoveAt(startPoint - 2); gvOfcBlowingReport.Columns.RemoveAt(startPoint - 3); // after executing this code all the columns vanish. Anyone know how to remove this text box template column?

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• Generic factory of generic containers

  - by Feuermurmel

  I have a generic abstract class Factory<T> with a method createBoxedInstance() which returns instances of T created by implementations of createInstance() wrapped in the generic container Box<T>. abstract class Factory<T> { abstract T createInstance(); public final Box<T> createBoxedInstance() { return new Box<T>(createInstance()); } public final class Box<T> { public final T content; public Box(T content) { this.content = content; } } } At some points I need a container of type Box<S> where S is an ancestor of T. Is it possible to make createBoxedInstance() itself generic so that it will return instances of Box<S> where S is chosen by the caller? Sadly, defining the function as follows does not work as a type parameter cannot be declared using the super keyword, only used. public final <S super T> Box<S> createBoxedInstance() { return new Box<S>(createInstance()); } The only alternative I see, is to make all places that need an instance of Box<S> accept Box<? extends S> which makes the container's content member assignable to S. Is there some way around this without re-boxing the instances of T into containers of type Box<S>? (I know I could just cast the Box<T> to a Box<S> but I would feel very, very guilty.)

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• Initializing ExportFactory using MEF

  - by Riz

  Scenario Application has multiple parts. Each part is in separate dll and implements interface IFoo All such dlls are present in same directory (plugins) The application can instantiate multiple instances of each part Below is the code snippet for the interfaces, part(export) and the import. The problem I am running into is, the "factories" object is initialized with empty list. However, if I try container.Resolve(typeof(IEnumerable< IFoo )) I do get object with the part. But that doesn't serve my purpose (point 4). Can anyone point what I am doing wrong here? public interface IFoo { string Name { get; } } public interface IFooMeta { string CompType { get; } } Implementation of IFoo in separate Dll [ExportMetadata("CompType", "Foo1")] [Export(typeof(IFoo), RequiredCreationPolicy = CreationPolicy.NonShared))] public class Foo1 : IFoo { public string Name { get { return this.GetType().ToString(); } } } Main application that loads all the parts and instantiate them as needed class PartsManager { [ImportMany] private IEnumerable<ExportFactory<IFoo, IFooMeta>> factories; public PartsManager() { IContainer container = ConstructContainer(); factories = (IEnumerable<ExportFactory<IFoo, IFooMeta>>) container.Resolve(typeof(IEnumerable<ExportFactory<IFoo, IFooMeta>>)); } private static IContainer ConstructContainer() { var catalog = new DirectoryCatalog(@"C:\plugins\"); var builder = new ContainerBuilder(); builder.RegisterComposablePartCatalog(catalog); return builder.Build(); } public IFoo GetPart(string compType) { var matchingFactory = factories.FirstOrDefault( x => x.Metadata.CompType == compType); if (factories == null) { return null; } else { IFoo foo = matchingFactory.CreateExport().Value; return foo; } } }

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• Multiple Rectangle Generation

  - by user1610541

  In my code i wrote a method that creates a rectangle at mouseX, mouseY. but all it does is update the position of that rectangle so it follows the mouse, i want it to create a new one at the mouse every time the method runs, can someone please help? this is my method public void drawParticle(float x, float y){ g.drawRect(x, y, 4, 4); } The main class Control call the drawParticle method; import java.awt.Point; import java.awt.geom.Point2D; import org.newdawn.slick.GameContainer; import org.newdawn.slick.Graphics; import org.newdawn.slick.SlickException; import org.newdawn.slick.state.BasicGameState; import org.newdawn.slick.state.StateBasedGame; public class Control extends BasicGameState { public static final int ID = 1; public Methods m = new Methods(); public Graphics g = new Graphics(); int mouseX; int mouseY; public void init(GameContainer container, StateBasedGame game) throws SlickException{ } public void render(GameContainer container, StateBasedGame game, Graphics g) throws SlickException { m.drawParticle(mouseX, mouseY); } public void update(GameContainer container, StateBasedGame game, int delta) { } public void mousePressed(int button, int x, int y) { mouseX = x; mouseY = y; } public int getID() { return ID; } } Thanks - Shamus

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• CSS challenge: Two background images, centered column with fixed with, min-height 100%

  - by laurent

  In a nutshell I need a CSS solution for the following requirements: Layout: One centered column with fixed width and a minimum height of 100% Two vertically repeated background images behind the centered column, one aligned to the left, one aligned to the right Cross browser compatibility A little more details Today a new requirement for my current web site project came up: A background image with gradients on the left and right side. The challenge is now to specify two different background images while keeping the rest of the layout spec. Unfortunately the (simple) layout somehow doesn't go with the two backgrounds. My layout is basically one centered column with fixed width: #main_container { margin: 0 auto; min-height: 100%; width: 800px; } Furthermore it's necessary to stretch the column to a minimum height of 100%, since there are quite some pages with only little content. The following CSS styles take care of that: html { height: 100%; } body { margin: 0; height: 100%; padding: 0; } So far so good - until the two background image issue arrived... I tried the following solutions Two absolute positioned divs behind the main container One image defined with the body, one with the html CSS class One image defined with the body, the other one with a large div begind the main container With either one of them, the dynamic height solution was ruined. Either the main container didn't stretch to 100% when it was too small, or the background remained at 100% when the content was actually longer

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• 30 Steps to Master ASP.NET MVC Application development

  - by Rajesh Pillai

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";} Welcome Readers!,   I am starting out a new series on ASP.NET  MVC skill building which will be posted over the next couple of weeks.  Let me know your thoughts on the content, which I have planned and a couple of them has been taken from ASP.NET MVC2 Cookbook. (NOTE: Only the heading has been taken, the content will be not :)).   Do let me know what you would like to see, or any additional inputs or ideas to cover in this topics.  The 30 steps are oultined below for quick reference.  Will start filling this out quickly.   Outlined is the ‘30’ step to master ASP.NET MVC.   A Peek Into Model What is a model? Different types of model Presentation/ViewModel Model Mapping (AutoMapper)   A Peak into View How view works in ASP.NET MVC? View Engine Design Custom View Engine View Best Practices Templated Helpers Partial Views   A Peak into Controller Introduction Controller Design Controller Best Practices Asynchronous Controller Custom Action Result Action Filters Controller Factory to use with IOC   Routes Explanation Routes from the database Routes from XML More complex routing   Master Pages Basics Setting Master Page Dynamically   Working with data in the view Repeating Views Array of check boxes Array of radio buttons Paged data CRUD Client side action Confirmation Dialog (modal window) jqGrid   Working with Forms   Validation Model Validation with DataAnnotations Using the xVal validation framework Client side validation with jQuery Validation Fluent Validation Model Binders   Templating Create strongly typed helper using T4 Custom View Templates with T4 Create custom MVC project template using T4   IOC AutoFac Ninject Unity Application   Areas   jQuery, Ajax and jQuery Plugins   State Maintenance Application State User state Cookies Webfarm   Error Handling View error handling Controller error handling ELMAH (Error Logging Modules and Handlers)   Authentication and Authorization User Registration form SignOn Process Password Reminder Membership and Roles Windows authentication Restricting access to all pages Restricting access to selected pages Restricting access to pages by role Restricting access to a controller Restricting access to selected area   Profiles and Themes Using Profiles Inheriting a Profile Migrating an anonymous profile Creating custom themes Using themes User personalized themes   Configuration Adding custom application settings in web.config Displaying custom error messages Accessing other web.config configuration elements Adding custom configuration elements to web.config Encrypting web.config sections   Tracing, Debugging and Logging   Caching Caching a whole page Caching pages based on route details Caching pages based on browser type and version Caching pages based custom strings Caching partial pages Caching application data Object Caching Using Microsoft Velocity Using MemCache Using AppFabric cache   Localization   HTTP Handlers and Modules   Security XSS/CSRF AnitForgery Encoding   HtmlHelpers Strongly typed helpers Writing custom helpers   Repository Pattern (Data access)   WF/WCF   Unit Testing   Mocking Framework   Integration Testing   Load / Performance Testing   Deployment    Once again let me know your thoughts on this.   Till then, Enjoy MVC'ing!!!

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• Is there a way to make a zenity dialog modal?

  - by math

  How can I make them modal? With modal I mean: The dialog should block the desktop so the user has only two options: Either cancel the dialog or enter text into it. (I want this basically because new windows might popup and can steal focus and additionally that other programs can access configuration files inside that container) Background: I want to ask a passphrase after login for an encfs container. So either entering a pass, or continue with cancellation of this dialog. Note: This is not a duplicate of modal dialog popup alarm, as I am interested especially in a solution to Zenity dialogs.

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• jQuery DataTables server side processing and ASP.Net

  - by Chad

  I'm trying to use the server side functionality of the jQuery Datatables plugin with ASP.Net. The ajax request is returning valid JSON, but nothing is showing up in the table. I originally had problems with the data I was sending in the ajax request. I was getting a "Invalid JSON primative" error. I discovered that the data needs to be in a string instead of JSON serialized, as described in this post: http://encosia.com/2008/06/05/3-mistakes-to-avoid-when-using-jquery-with-aspnet-ajax/. I wasn't quite sure how to fix that, so I tried adding this in the ajax request: "data": "{'sEcho': '" + aoData.sEcho + "'}" If the aboves eventually works I'll add the other parameters later. Right now I'm just trying to get something to show up in my table. The returning JSON looks ok and validates, but the sEcho in the post is undefined, and I think thats why no data is being loaded into the table. So, what am I doing wrong? Am I even on the right track or am I being stupid? Does anyone ran into this before or have any suggestions? Here's my jQuery: $(document).ready(function() { $("#grid").dataTable({ "bJQueryUI": true, "sPaginationType": "full_numbers", "bServerSide":true, "sAjaxSource": "GridTest.asmx/ServerSideTest", "fnServerData": function(sSource, aoData, fnCallback) { $.ajax({ "type": "POST", "dataType": 'json', "contentType": "application/json; charset=utf-8", "url": sSource, "data": "{'sEcho': '" + aoData.sEcho + "'}", "success": fnCallback }); } }); }); HTML: <table id="grid"> <thead> <tr> <th>Last Name</th> <th>First Name</th> <th>UserID</th> </tr> </thead> <tbody> <tr> <td colspan="5" class="dataTables_empty">Loading data from server</td> </tr> </tbody> </table> Webmethod: <WebMethod()> _ Public Function ServerSideTest() As Data Dim list As New List(Of String) list.Add("testing") list.Add("chad") list.Add("testing") Dim container As New List(Of List(Of String)) container.Add(list) list = New List(Of String) list.Add("testing2") list.Add("chad") list.Add("testing") container.Add(list) HttpContext.Current.Response.ContentType = "application/json" Return New Data(HttpContext.Current.Request("sEcho"), 2, 2, container) End Function Public Class Data Private _iTotalRecords As Integer Private _iTotalDisplayRecords As Integer Private _sEcho As Integer Private _sColumns As String Private _aaData As List(Of List(Of String)) Public Property sEcho() As Integer Get Return _sEcho End Get Set(ByVal value As Integer) _sEcho = value End Set End Property Public Property iTotalRecords() As Integer Get Return _iTotalRecords End Get Set(ByVal value As Integer) _iTotalRecords = value End Set End Property Public Property iTotalDisplayRecords() As Integer Get Return _iTotalDisplayRecords End Get Set(ByVal value As Integer) _iTotalDisplayRecords = value End Set End Property Public Property aaData() As List(Of List(Of String)) Get Return _aaData End Get Set(ByVal value As List(Of List(Of String))) _aaData = value End Set End Property Public Sub New(ByVal sEcho As Integer, ByVal iTotalRecords As Integer, ByVal iTotalDisplayRecords As Integer, ByVal aaData As List(Of List(Of String))) If sEcho <> 0 Then Me.sEcho = sEcho Me.iTotalRecords = iTotalRecords Me.iTotalDisplayRecords = iTotalDisplayRecords Me.aaData = aaData End Sub Returned JSON: {"__type":"Data","sEcho":0,"iTotalRecords":2,"iTotalDisplayRecords":2,"aaData":[["testing","chad","testing"],["testing2","chad","testing"]]}

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• Ejb 2.0 deployment issues on Jboss 5.1

  - by Ravi

  I am deploying an ear application on Jboss 5.1.0. and i facing some issues. I had two ears one i had copied to deploy folder and the other in deploy-hasingleton. The ear which is in deploy-hasingleton is throwing some errors.when i serached in google i came to know that there is some issue with EJB 2.x on jboss 5.1.i was not able to find the solution. Below is the log. profileservice-secured.jar 11:16:17,162 INFO [JBossASKernel] installing bean: jboss.j2ee:jar=profileservice-secured.jar,name=SecureManagementView,service=EJB3 11:16:17,162 INFO [JBossASKernel] with dependencies: 11:16:17,162 INFO [JBossASKernel] and demands: 11:16:17,162 INFO [JBossASKernel] jboss.ejb:service=EJBTimerService 11:16:17,162 INFO [JBossASKernel] and supplies: 11:16:17,162 INFO [JBossASKernel] jndi:SecureManagementView/remote-org.jboss.deployers.spi.management.ManagementView 11:16:17,162 INFO [JBossASKernel] Class:org.jboss.deployers.spi.management.ManagementView 11:16:17,162 INFO [JBossASKernel] jndi:SecureManagementView/remote 11:16:17,162 INFO [JBossASKernel] Added bean(jboss.j2ee:jar=profileservice-secured.jar,name=SecureManagementView,service=EJB3) to KernelDeployment of: profileservice-secured.jar 11:16:17,162 INFO [EJB3EndpointDeployer] Deploy AbstractBeanMetaData@17cabbb{name=jboss.j2ee:jar=profileservice-secured.jar,name=SecureProfileService,service=EJB3_endpoint bean=org.jboss.ejb3.endpoint.deployers.impl.EndpointImpl properties=[container] constructor=null autowireCandidate=true} 11:16:17,162 INFO [EJB3EndpointDeployer] Deploy AbstractBeanMetaData@1fedd5c{name=jboss.j2ee:jar=profileservice-secured.jar,name=SecureDeploymentManager,service=EJB3_endpoint bean=org.jboss.ejb3.endpoint.deployers.impl.EndpointImpl properties=[container] constructor=null autowireCandidate=true} 11:16:17,162 INFO [EJB3EndpointDeployer] Deploy AbstractBeanMetaData@1ef4b31{name=jboss.j2ee:jar=profileservice-secured.jar,name=SecureManagementView,service=EJB3_endpoint bean=org.jboss.ejb3.endpoint.deployers.impl.EndpointImpl properties=[container] constructor=null autowireCandidate=true} 11:16:17,833 INFO [SessionSpecContainer] Starting jboss.j2ee:jar=profileservice-secured.jar,name=SecureDeploymentManager,service=EJB3 11:16:17,833 INFO [EJBContainer] STARTED EJB: org.jboss.profileservice.ejb.SecureDeploymentManager ejbName: SecureDeploymentManager 11:16:18,066 INFO [JndiSessionRegistrarBase] Binding the following Entries in Global JNDI: SecureDeploymentManager/remote - EJB3.x Default Remote Business Interface SecureDeploymentManager/remote-org.jboss.deployers.spi.management.deploy.DeploymentManager - EJB3.x Remote Business Interface 11:16:18,129 INFO [SessionSpecContainer] Starting jboss.j2ee:jar=profileservice-secured.jar,name=SecureManagementView,service=EJB3 11:16:18,129 INFO [EJBContainer] STARTED EJB: org.jboss.profileservice.ejb.SecureManagementView ejbName: SecureManagementView 11:16:18,160 INFO [JndiSessionRegistrarBase] Binding the following Entries in Global JNDI: SecureManagementView/remote - EJB3.x Default Remote Business Interface SecureManagementView/remote-org.jboss.deployers.spi.management.ManagementView - EJB3.x Remote Business Interface 11:16:18,206 INFO [SessionSpecContainer] Starting jboss.j2ee:jar=profileservice-secured.jar,name=SecureProfileService,service=EJB3 11:16:18,206 INFO [EJBContainer] STARTED EJB: org.jboss.profileservice.ejb.SecureProfileServiceBean ejbName: SecureProfileService 11:16:18,238 INFO [JndiSessionRegistrarBase] Binding the following Entries in Global JNDI: SecureProfileService/remote - EJB3.x Default Remote Business Interface SecureProfileService/remote-org.jboss.profileservice.spi.ProfileService - EJB3.x Remote Business Interface 11:16:18,534 INFO [TomcatDeployment] deploy, ctxPath=/admin-console 11:16:18,612 INFO [config] Initializing Mojarra (1.2_12-b01-FCS) for context '/admin-console' 11:16:21,759 INFO [TomcatDeployment] deploy, ctxPath=/ 11:16:21,853 INFO [TomcatDeployment] deploy, ctxPath=/jmx-console 11:16:21,993 INFO [JBossASKernel] Created KernelDeployment for: hapi-0.5.jar 11:16:21,993 INFO [JBossASKernel] installing bean: jboss.j2ee:ear=jca-ear-1.3-SNAPSHOT.ear,jar=hapi-0.5.jar,name=hapi-0.5,service=EJB3 11:16:21,993 INFO [JBossASKernel] with dependencies: 11:16:21,993 INFO [JBossASKernel] and demands: 11:16:21,993 INFO [JBossASKernel] and supplies: 11:16:21,993 INFO [JBossASKernel] Added bean(jboss.j2ee:ear=jca-ear-1.3-SNAPSHOT.ear,jar=hapi-0.5.jar,name=hapi-0.5,service=EJB3) to KernelDeployment of: hapi-0.5.jar 11:16:23,302 INFO [ClientENCInjectionContainer] STARTED CLIENT ENC CONTAINER: hapi-0.5 11:16:23,473 INFO [SystemEventService] NODE_STARTED on node [HCA-5C1P1BS] 11:16:23,489 INFO [AbstractConnector] [aware] connector started 11:16:23,536 INFO [AbstractConnector] [datacaptor] connector started 11:16:23,536 INFO [AbstractConnector] [intellivue] connector started 11:16:23,972 ERROR [ProfileServiceBootstrap] Failed to load profile: Summary of incomplete deployments (SEE PREVIOUS ERRORS FOR DETAILS): DEPLOYMENTS MISSING DEPENDENCIES: Deployment "gehc.com:service=KernelServiceMBean" is missing the following dependencies: Dependency "jboss.j2ee:module=kernel-ejb-1.3-SNAPSHOT.jar,service=EjbModule" (should be in state "Create", but is actually in state " NOT FOUND Depends on 'jboss.j2ee:module=kernel-ejb-1.3-SNAPSHOT.jar,service=EjbModule' ") Deployment "jboss.j2ee:module="kernel-ejb-1.3-SNAPSHOT.jar",service=EjbModule" is missing the following dependencies: Dependency "gehc.com:service=KernelServiceMBean" (should be in state "Create", but is actually in state "Configured") DEPLOYMENTS IN ERROR: Deployment "jboss.j2ee:module=kernel-ejb-1.3-SNAPSHOT.jar,service=EjbModule" is in error due to the following reason(s): ** NOT FOUND Depends on 'jboss.j2ee:module=kernel-ejb-1.3-SNAPSHOT.jar,service=EjbModule' ** 11:16:24,003 INFO [Http11Protocol] Starting Coyote HTTP/1.1 on http-127.0.0.1-8080 11:16:24,034 INFO [AjpProtocol] Starting Coyote AJP/1.3 on ajp-127.0.0.1-8009 11:16:24,050 INFO [ServerImpl] JBoss (Microcontainer) [5.1.0.GA (build: SVNTag=JBoss_5_1_0_GA date=200905221053)] Started in 1m:49s:575ms I had marked the error with bold, there is some circular dependency also. Thanks Ravi S

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• Deploy to JBoss 7 using Hudson Deploy plugin

  - by Uluk Biy

  I have 2 machines where one of them contains the Hudson CI and other JBoss 7 AS. In Hudson, I have installed "Deploy Plugin", created new job and filled required JBoss manager user connection fields. When I run the job, the project successfully built however the deployment process to remote JBoss AS is not being triggered. No errors or messages about the deployment in log. What should I do? EDIT The deployment is triggered (at least expected) as "Post-build Action" with parameters: [x] Deploy war/ear to a container WAR/EAR files : **/*.war Container : JBoss 7.x Manager user name : test Manager password : * * * * JBoss URL : http://192.168.1.2 JBoss JMX Management port : 9990 It is not a separate job.

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• Castle Windsor with ASP.NET MVC 2 Areas

  - by Doug Shontz

  Been lurking for a few months and decided to jump in with a question. I am very new to Windsor and IoC in general. I can get Windsor to work with my MVC2 project with no problem. The project I am working on is a "portal" of multiple applications under one MVC2 project using the new Areas concept. In this scenario, each Area will actually be a separate application inside the "portal". We are doing this to effectively share a LOT of common code, views, authentication, and cross-application functionality. Many of our apps link to one another, so it made sense after discussing it to combine them into one project. What I am wondering how to do is actually allow different Areas to inject different concrete classes? In my limited understanding, the Application_Start is governing building the container and assigning it as the controller factory. I don't necessarily want to do all the injection at the application level. We have a config system where we have a config.xml at the root of every Area and those settings override any root settings. I would like to continue that trend by having the injections for each Area be read by the Area's config.xml (an inheritance similar to Webforms web.config where the config in a lower folder overrides settings in a parent folder). Example: I would have an ILogHandler which would need a different concrete implementation depending on which Area of the application I am in. So I would need to inject something different depending on where I am at in the application. I can easily do this using factories since each area could have it's own set of factories, but I am attempting to take this opportunity to learn about IoC and what the benefits/drawbacks are. Any help would be appreciated.

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• Create Hello World with RESTful web service and Jersey

  - by Harry Pham

  I follow tutorial here on how to create web service using RESTful web service and Jersey and I get kind of stuck. The code is from HelloWorld3 in the tutorial I linked above. Here is the code. I use Netbean6.8 + glassfish v3 RESTGreeting.java create using JAXB. This class represents the HTML message in Java package com.sun.rest; import javax.xml.bind.annotation.XmlRootElement; import javax.xml.bind.annotation.XmlElement; @XmlRootElement(name = "restgreeting") public class RESTGreeting { private String message; private String name; /** * Creates new instance of Greeting */ public RESTGreeting() { } /* Create new instance of Greeting * with parameters message and name */ public RESTGreeting( String message, String name) { this.message = message; this.name = name; } /** Getter for message * return value for message * */ @XmlElement public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } /* Getter for name * return name */ @XmlElement public String getName() { return name; } public void setName(String name) { this.name = name; } } HelloGreetingService.java creates a RESTful web service that returns an HTML message package com.sun.rest; import javax.ws.rs.core.Context; import javax.ws.rs.core.UriInfo; import javax.ws.rs.Consumes; import javax.ws.rs.PUT; import javax.ws.rs.Path; import javax.ws.rs.GET; import javax.ws.rs.Produces; import javax.ws.rs.QueryParam; @Path("helloGreeting") public class HelloGreetingService { @Context private UriInfo context; /** Creates a new instance of HelloGreetingService */ public HelloGreetingService() { } /** * Retrieves representation of an instance of com.sun.rest.HelloGreetingService * @return an instance of java.lang.String */ @GET @Produces("text/html") public RESTGreeting getHtml(@QueryParam("name") String name) { return new RESTGreeting( getGreeting(), name); } private String getGreeting() { return "Hello "; } /** * PUT method for updating or creating an instance of HelloGreetingService * @param content representation for the resource * @return an HTTP response with content of the updated or created resource. */ @PUT @Consumes("text/html") public void putHtml(String content) { } } However when i deploy it on Glassfish, and run it. It generate an exception. I try to debug using netbean 6.8, and figure out that this line return new RESTGreeting(getGreeting(), name); in HelloGreetingService.java cause the exception. But not sure why. Here is the stacktrace javax.ws.rs.WebApplicationException at com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:268) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1029) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:941) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:932) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:384) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:451) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:632) at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97) at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185) at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:332) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:233) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165) at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791) at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693) at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954) at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170) at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88) at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76) at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53) at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57) at com.sun.grizzly.ContextTask.run(ContextTask.java:69) at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330) at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309) at java.lang.Thread.run(Thread.java:637)

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• WMD editor freezes IE7 for 3 seconds on load

  - by dhruvbird

  Hello all, I am using the WMD editor's original code(not the stackoverflow version) since I need multiple of 'em on the same page and stackoverflow's version makes heavy use of element IDs internally since they aren't going to be having more than one editor instance per page. The code runs fin in FF 3.5, etc.. However, when I run it in IE8 (in IE7 compatibility mode), it freezes the whole browser for about 3 sec. before a new instance shows up. I tried profiling it with IE's dev. tools, and it seems that the getWidth() function on line 520 of the minified version of the code is taking up all the time. However, when I tried to hard-code the return (since it was always returning the same thing), the bottleneck shifted to the getHeight() function. I am attaching the code I am using to convert it to a jQuery plugin. jQuery.fn.wmd = function(params) { function createInstance(container, params) { /* Make sure WMD has finished loading */ if (!Attacklab || !Attacklab.wmd) { alert("WMD hasn't finished loading!"); return; } var defaultParams = { width : "600px", rows : 6, autogrow : false, preview : false, previewDivClassName: "wmd-preview-div" }; if (typeof(params) == "undefined") { var params = defaultParams; } else { var params = jQuery.extend({}, defaultParams, params); } /* Build the DOM elements */ var textarea = document.createElement("textarea"); textarea.style.width = params.width; textarea.rows = params.rows; jQuery(container).append(textarea); var previewDiv = document.createElement("div"); if (params.preview) { jQuery(previewDiv).addClass(params.previewDivClassName); jQuery(container).append(previewDiv); } /* Build the preview manager */ var panes = {input:textarea, preview:previewDiv, output:null}; var previewManager = new Attacklab.wmd.previewManager(panes); /* Build the editor and tell it to refresh the preview after commands */ var editor = new Attacklab.wmd.editor(textarea,previewManager.refresh); /* Save everything so we can destroy it all later */ var wmdInstance = {ta:textarea, div:previewDiv, ed:editor, pm:previewManager}; var wmdInstanceId = $(container).attr('postID'); wmdInstanceProcs.add(wmdInstanceId, wmdInstance); if (params.autogrow) { // $(textarea).autogrow(); } }; if (jQuery(this).html().length > 0) { var wmdInstanceId = jQuery(this).attr('postID'); var inst = wmdInstanceProcs.get(wmdInstanceId); jQuery(inst.ta).show(); } else { createInstance(this, params); } } jQuery.fn.unwmd = function(params) { var wmdInstanceId = $(this).attr('postID'); var inst = wmdInstanceProcs.get(wmdInstanceId); if (inst != null) { jQuery(inst.ta).hide(); } } wmdInstanceProcs = function() { var wmdInstances = { }; var getProc = function(wmdInstanceId) { var inst = wmdInstances[wmdInstanceId]; if (typeof(inst) != "undefined") { return inst; } else { return null; } }; var addProc = function(wmdInstanceId, wmdInstance) { wmdInstances[wmdInstanceId] = wmdInstance; }; return { add: addProc, get: getProc }; }(); Any help would be much appreciated.

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• multiple webapps in tomcat -- what is the optimal architecture?

  - by rvdb

  I am maintaining a growing base of mainly Cocoon-2.1-based web applications [http://cocoon.apache.org/2.1/], deployed in a Tomcat servlet container [http://tomcat.apache.org/], and proxied with an Apache http server [http://httpd.apache.org/docs/2.2/]. I am conceptually struggling with the best way to deploy multiple web applications in Tomcat. Since I'm not a Java programmer and we don't have any sysadmin staff I have to figure out myself what is the most sensible way to do this. My setup has evolved through 2 scenarios and I'm considering a third for maximal separation of the distinct webapps. [1] 1 Tomcat instance, 1 Cocoon instance, multiple webapps -tomcat |_ webapps |_ webapp1 |_ webapp2 |_ webapp[n] |_ WEB-INF (with Cocoon libs) This was my first approach: just drop all web applications inside a single Cocoon webapps folder inside a single Tomcat container. This seemed to run fine, I did not encounter any memory issues. However, this poses a maintainability drawback, as some Cocoon components are subject to updates, which often affect the webapp coding. Hence, updating Cocoon becomes unwieldy: since all webapps share the same pool of Cocoon components, updating one of them would require the code in all web applications to be updated simultaneously. In order to isolate the web applications, I moved to the second scenario. [2] 1 Tomcat instance, each webapp in its dedicated Cocoon environment -tomcat |_ webapps |_ webapp1 | |_ WEB-INF (with Cocoon libs) |_ webapp1 | |_ WEB-INF (with Cocoon libs) |_ webapp[n] |_ WEB-INF (with Cocoon libs) This approach separates all webapps into their own Cocoon environment, run inside a single Tomcat container. In theory, this works fine: all webapps can be updated independently. However, this soon results in PermGenSpace errors. It seemed that I could manage the problem by increasing memory allocation for Tomcat, but I realise this isn't a structural solution, and that overloading a single Tomcat in this way is prone to future memory errors. This set me thinking about the third scenario. [3] multiple Tomcat instances, each with a single webapp in its dedicated Cocoon environment -tomcat |_ webapps |_ webapp1 |_ WEB-INF (with Cocoon libs) -tomcat |_ webapps |_ webapp2 |_ WEB-INF (with Cocoon libs) -tomcat |_ webapps |_ webapp[n] |_ WEB-INF (with Cocoon libs) I haven't tried this approach, but am thinking of the $CATALINA_BASE variable. A single Tomcat distribution can be multiply instanciated with different $CATALINA_BASE environments, each pointing to a Cocoon instance with its own webapp. I wonder whether such an approach could avoid the structural memory-related problems of approach [2], or will the same issues apply? On the other hand, this approach would complicate management of the Apache http frontend, as it will require the AJP connectors of the different Tomcat instances to be listening at different ports. Hence, Apache's worker configuration has to be updated and reloaded whenever a new webapp (in its own Tomcat instance) is added. And there seems no way to reload worker.properties without restarting the entire Apache http server. Is there perhaps another / more dynamic way of 'modularizing' multiple Tomcat-served webapps, or can one of these scenarios be refined? Any thoughts, suggestions, advice much appreciated. Ron

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• Linq-to-sql Compiled Query returns object NOT belonging to submitted DataContext ?

  - by Vladimir Kojic

  Compiled query: public static class Machines { public static readonly Func<OperationalDataContext, short, Machine> QueryMachineById = CompiledQuery.Compile((OperationalDataContext db, short machineID) => db.Machines.Where(m => m.MachineID == machineID).SingleOrDefault() ); public static Machine GetMachineById(IUnitOfWork unitOfWork, short id) { Machine machine; // Old code (working) //var machineRepository = unitOfWork.GetRepository<Machine>(); //machine = machineRepository.Find(m => m.MachineID == id).SingleOrDefault(); // New code (making problems) machine = QueryMachineById(unitOfWork.DataContext, id); return machine; } It looks like compiled query is returning result from another data context [TestMethod] public void GetMachinesTest() { using (var unitOfWork = IoC.Get<IUnitOfWork>()) { // Compile Query var machine = Machines.GetMachineById(unitOfWork, 3); } using (var unitOfWork = IoC.Get<IUnitOfWork>()) { var machineRepository = unitOfWork.GetRepository<Machine>(); // Get From Repository var machineFromRepository = machineRepository.Find(m => m.MachineID == 2).SingleOrDefault(); var machine = Machines.GetMachineById(unitOfWork, 2); VerifyHuskyHostMachine(machineFromRepository, 2, "Machine 2", "222222", "H400RS", "MachineIconB.xaml", false, true, LicenseType.Licensed, InterfaceType.HuskyHostV2, "10.0.97.2:8080", "10.0.97.2", 8080, "4.0"); VerifyHuskyHostMachine(machine, 2, "Machine 2", "222222", "H400RS", "MachineIconB.xaml", false, true, LicenseType.Licensed, InterfaceType.HuskyHostV2, "10.0.97.2:8080", "10.0.97.2", 8080, "4.0"); Assert.AreSame(machineFromRepository, machine); // FAIL } } If I run other (complex) unit tests I'm getting as expected: An attempt has been made to Attach or Add an entity that is not new, perhaps having been loaded from another DataContext. Another Important information is that this test is under TransactionScope! UPDATE: It looks like next link is describing similar problem (is this bug solved ?): http://social.msdn.microsoft.com/Forums/en-US/linqprojectgeneral/thread/9bcffc2d-794e-4c4a-9e3e-cdc89dad0e38

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• Winforms MVP with Castle Windsor - DI for subforms?

  - by Paul Kirby

  I'm building a winforms app utilizing passive-view MVP and Castle Windsor as an IoC container. I'm still a little new to dependency injection and MVP, so I'm looking for some clarity... I have a main form which contains a number of user controls, and also will bring up other dialogs (ex. Login, options, etc) as needed. My first question is...should I use constructor injection to get the presenters for these other views into the main view, or should I go back to a Service Locator-type pattern? (which I've been told is a big nono!) Or something else? Second question...the user controls need to communicate back to the main form when they are "completed" (definition of that state varies based on the control). Is there a standard way of hooking these up? I was thinking perhaps just wiring up events between the main presenter and the child presenters, but I'm not sure if this is proper thinking. I'd appreciate any help, it seems that the combination of MVP and IoC in winforms isn't exactly well-documented.

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• How can I re-encode H.264 video with minimal quality loss?

  - by SofaKng

  I have a lot of MPEG-TS files (.TS container but H.264 video) and playback is fine except that when you skip forward/backward or fast forward it's very sluggish and gets pixelated, etc. I've been trying to do research and I'm guessing that they were encoding with very few reference blocks (ie. it's a capture from a DVB-S satellite stream). When I re-encode them with Handbrake (.MP4 container) they play very, very good and seeking in the video is instant, etc, etc. Is it possible to transcode/re-encode my MPEG-TS files with minimal quality loss? If so, what is my best bet? They are each about 2 Mbps (ie. 2 GB per hour) but I don't want to re-encode them if "minimal quality loss" requires 10+ GB per file. I'm hoping to keep the video are the same size. Can anybody give me any advice?

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• Overflow - what am I doing wrong?

  - by ClarkeyBoy

  Hi, I have been working on trying to get a page to display a title at the top of the content pane, and then a scrollable list of products below that so that the title of the product range is displayed at all times. I am sure this is a very simple thing to do - but cannot figure it out. Currently the actual page (not the test page for which the code is given below) works ok in the sense that I set the heading div to 5% of the height of .content-container and then set the scrollable div to 95% with top: 5%, both with position: absolute applied. - however I would like to place some links in the heading div to different pages (1, 2, 3 etc), which I would like to centre vertically if they are shorter than the heading and expand the heading div to match the height of the heading or the links, whichever is smallest. Furthermore I would like the div below the heading to shrink so that it doesn't go below the bottom of the content div as the heading div gets taller. The point of this is because it is for a client who may, or may not, be happy with the heading sizes and so on - therefore the heading div height could easily change. Specifying heights so precisely means that changing the h1 height could mean 5 changes to the CSS file - something I want to avoid. The content pane currently has its height fixed to 80% of the page, with the header and footer being 10% each on top of that, so there is no scrollbar at the side of the page and the header / footer are always showing. This is something I would like to keep. In the code below, .content-container is the main content pane - this is contained in another div which is centred using the margin at 50% of the page width. .test-div is the div which contains the heading. .test-div-2 is an attempt to place a div below .test-div, in the hope that I can force .test-div-3 to extend to 100% of its' height but no further, and to display a scrollbar if the content exceeds the height. So far I have the following, but it doesn't do exactly what I would like it to: <div class="content-container"> <div class="test-div"> <h1 style="text-align: center;">Dogs</h1> </div> <div class="test-div-2"> <div class="test-div-3"> //Content here </div> </div> </div> .content-container { position: absolute; width: 100%; height: 100%; left: 0; right: 0; bottom: 0; overflow: auto; } .test-div { position: relative; padding: 0; margin: 0; } .test-div-2 { position: relative; background-color: #CCCCCC; } .test-div-3 { max-height: 100%; background-color: #999999; } Any help with this would be greatly appreciated. I would like to achieve this without the use of JavaScript / jQuery if possible - pure HTML / CSS solutions only please! Regards, Richard

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• Ubuntu 12.04 Netinstall URL? Xen Host

  - by notFound

  Well I have an Xen server, I've got a CentOS container up fine but a friend of mine wants (oh god) Ubuntu Server 12.04, why he can't use Debian is beyond my understanding. But anyways, I can't remember how I installed the CentOS container but I'm giving virt-manager a try now, since I don't have a disk image already the only option is to get a Network Install URL since I'm using PV. So does anyone know what I should type in there, if it was CentOS I could easily type http://mirror.centos.org/centos/6.2/os/i386 for example. The furthest I've got in finding a suitable URL is http://archive.ubuntu.com/ubuntu/dists/precise/ but that of course wont work. Any ideas?

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• Validation without ServiceLocator

  - by Dmitriy Nagirnyak

  Hi, I am getting back again and again to it thinking about the best way to perform validation on POCO objects that need access to some context (ISession in NH, IRepository for example). The only option I still can see is to use S*ervice Locator*, so my validation would look like: public User : ICanValidate { public User() {} // We need this constructor (so no context known) public virtual string Username { get; set; } public IEnumerable<ValidationError> Validate() { if (ServiceLocator.GetService<IUserRepository>().FindUserByUsername(Username) != null) yield return new ValidationError("Username", "User already exists.") } } I already use Inversion Of control and Dependency Injection and really don't like the ServiceLocator due to number of facts: Harder to maintain implicit dependencies. Harder to test the code. Potential threading issues. Explicit dependency only on the ServiceLocator. The code becomes harder to understand. Need to register the ServiceLocator interfaces during the testing. But on the other side, with plain POCO objects, I do not see any other way of performing the validation like above without ServiceLocator and only using IoC/DI. So the question would be: is there any way to use DI/IoC for the situation described above? Thanks, Dmitriy.

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