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  • How to call a .NET Webservice from Android using KSOAP2?

    - by Rajapandian
    Hai to All,I have a problem while calling the webservice,i have a .NET web service in the server and i am using KSOAP2(ksoap2-j2se-full-2.1.2) in android.While running the program i got an runtime Exception like "org.ksoap2.serialization.SoapPrimitive". I dont know what to do.Here is my code. package projects.ksoap2sample; import org.ksoap2.SoapEnvelope; import org.ksoap2.serialization.SoapObject; import org.ksoap2.serialization.SoapSerializationEnvelope; import org.ksoap2.transport.HttpTransportSE; import android.app.*; import android.os.*; import android.widget.TextView; public class ksoap2sample extends Activity { /** Called when the activity is first created. */ private static final String SOAP_ACTION = "http://tempuri.org/HelloWorld"; private static final String METHOD_NAME = "HelloWorld"; private static final String NAMESPACE = "http://tempuri.org/"; private static final String URL = "http://192.168.1.19/TestWeb/WebService.asmx"; TextView tv; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); tv=(TextView)findViewById(R.id.text1); try { SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); //request.addProperty("prop1", "myprop"); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet=true; envelope.setOutputSoapObject(request); HttpTransportSE androidHttpTransport = new HttpTransportSE(URL); androidHttpTransport.call(SOAP_ACTION, envelope); Object result = (Object)envelope.getResponse(); String[] results = (String[]) result; tv.setText( ""+results[0]); } catch (Exception e) { tv.setText(e.getMessage()); } } } May be my code is wrong.please help me. Regards Rajapandian

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  • How to use webbrowser control DocumentCompleted event in C# ?

    - by Margus
    Before starting writing this question, i was trying to solve following // 1. navigate to page // 2. wait until page is downloaded // 3. read and write some data from/to iframe // 4. submit (post) form The problem was, that if a iframe exists on a web page, DocumentCompleted event would get fired more then once (after each document has been completed). It was highly likely that program would have tried to read data from DOM that was not completed and naturally - fail. But suddenly while writing this question 'What if' monster inspired me, and i fix'ed the problem, that i was trying to solve. As i failed Google'ing this, i thought it would be nice to post it here. private int iframe_counter = 1; // needs to be 1, to pass DCF test public bool isLazyMan = default(bool); /// <summary> /// LOCK to stop inspecting DOM before DCF /// </summary> public void waitPolice() { while (isLazyMan) Application.DoEvents(); } private void webBrowser1_Navigating(object sender, WebBrowserNavigatingEventArgs e) { if(!e.TargetFrameName.Equals("")) iframe_counter --; isLazyMan = true; } private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e) { if (!((WebBrowser)sender).Document.Url.Equals(e.Url)) iframe_counter++; if (((WebBrowser)sender).Document.Window.Frames.Count <= iframe_counter) {//DCF test DocumentCompletedFully((WebBrowser)sender,e); isLazyMan = false; } } private void DocumentCompletedFully(WebBrowser sender, WebBrowserDocumentCompletedEventArgs e){ //code here } For now at least, my 5m hack seems to be working fine. Maybe i am really failing at querying google or MSDN, but i can not find: "How to use webbrowser control DocumentCompleted event in C# ?"

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  • DataGridView not displaying data in ToolStripDropDown

    - by jblaske
    I'm utilizing the code posted by Jesper Palm here: http://stackoverflow.com/questions/280891/make-user-control-display-outside-of-form-boundry /// <summary> /// A simple popup window that can host any System.Windows.Forms.Control /// </summary> public class PopupWindow : System.Windows.Forms.ToolStripDropDown { private System.Windows.Forms.Control _content; private System.Windows.Forms.ToolStripControlHost _host; public PopupWindow(System.Windows.Forms.Control content) { //Basic setup... this.AutoSize = false; this.DoubleBuffered = true; this.ResizeRedraw = true; this._content = content; this._host = new System.Windows.Forms.ToolStripControlHost(content); //Positioning and Sizing this.MinimumSize = content.MinimumSize; this.MaximumSize = content.Size; this.Size = content.Size; content.Location = Point.Empty; //Add the host to the list this.Items.Add(this._host); } } I've translated it to VB: Public Class PopupWindow Inherits System.Windows.Forms.ToolStripDropDown Private _content As System.Windows.Forms.Control Private _host As System.Windows.Forms.ToolStripControlHost Public Sub New(ByVal content As System.Windows.Forms.Control) Me.AutoSize = False Me.DoubleBuffered = True Me.ResizeRedraw = True Me._content = content Me._host = New System.Windows.Forms.ToolStripControlHost(content) Me.MinimumSize = content.MinimumSize Me.MaximumSize = content.MaximumSize Me.Size = content.Size content.Location = Point.Empty Me.Items.Add(Me._host) End Sub End Class It works great with a PictureBox showing its information. But for some reason I cannot get the DataGridView to display anything when it is in the popup. If I pull the grid out of the popup it displays all of its information fine. If I pause during debug, the grid shows that it has all the data in it. It's just not displaying anything. Does anybody have any ideas?

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  • Help me understand these generic method warnings

    - by Raj
    Folks, I have a base class, say: public class BaseType { private String id; ... } and then three subclasses: public class TypeA extends BaseType { ... } public class TypeB extends BaseType { ... } public class TypeC extends BaseType { ... } I have a container class that maintains lists of objects of these types: public class Container { private List<TypeA> aList; private List<TypeB> bList; private List<TypeC> cList; // finder method goes here } And now I want to add a finder method to container that will find an object from one of the lists. The finder method is written as follows: public <T extends BaseType> T find( String id, Class<T> clazz ) { final List<T> collection; if( clazz == TypeA.class ) { collection = (List<T>)aList; } else if( clazz == TypeB.class ) { collection = (List<T>)bList; } else if( clazz == TypeC.class ) { collection = (List<T>)cList; } else return null; for( final BaseType value : collection ) { if( value.getId().equals( id ) ) { return (T)value; } } return null; } My question is this: If I don't add all the casts to T in my finder above, I get compile errors. I think the compile should be able to infer the types based on parametrization of the generic method (). Can anyone explain this? Thanks. -Raj

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  • WCF: Serializing and Deserializing generic collections

    - by Fabiano
    I have a class Team that holds a generic list: [DataContract(Name = "TeamDTO", IsReference = true)] public class Team { [DataMember] private IList<Person> members = new List<Person>(); public Team() { Init(); } private void Init() { members = new List<Person>(); } [System.Runtime.Serialization.OnDeserializing] protected void OnDeserializing(StreamingContext ctx) { Log("OnDeserializing of Team called"); Init(); if (members != null) Log(members.ToString()); } [System.Runtime.Serialization.OnSerializing] private void OnSerializing(StreamingContext ctx) { Log("OnSerializing of Team called"); if (members != null) Log(members.ToString()); } [System.Runtime.Serialization.OnDeserialized] protected void OnDeserialized(StreamingContext ctx) { Log("OnDeserialized of Team called"); if (members != null) Log(members.ToString()); } [System.Runtime.Serialization.OnSerialized] private void OnSerialized(StreamingContext ctx) { Log("OnSerialized of Team called"); Log(members.ToString()); } When I use this class in a WCF service, I get following log output OnSerializing of Team called System.Collections.Generic.List 1[Person] OnSerialized of Team called System.Collections.Generic.List 1[Person] OnDeserializing of Team called System.Collections.Generic.List 1[ENetLogic.ENetPerson.Model.FirstPartyPerson] OnDeserialized of Team called ENetLogic.ENetPerson.Model.Person[] After the deserialization members is an Array and no longer a generic list although the field type is IList< (?!) When I try to send this object back over the WCF service I get the log output OnSerializing of Team called ENetLogic.ENetPerson.Model.FirstPartyPerson[] After this my unit test crashes with a System.ExecutionEngineException, which means the WCF service is not able to serialize the array. (maybe because it expected a IList<) So, my question is: Does anybody know why the type of my IList< is an array after deserializing and why I can't serialize my Team object any longer after that? Thanks

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  • Problem with serialization of svcutil synthetized classes

    - by user295502
    I used svcutil to generate classes to access the web service. I need to serialize them. The class is quite simple, here is how it looks [System.Diagnostics.DebuggerStepThroughAttribute()] [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Runtime.Serialization", "3.0.0.0")] [System.Runtime.Serialization.DataContractAttribute(Name="cosemAttributeDescriptor", Namespace="http://www.energiened.nl/Content/Publications/dsmr/P32")] public partial class cosemAttributeDescriptor : object, System.Runtime.Serialization.IExtensibleDataObject { private System.Runtime.Serialization.ExtensionDataObject extensionDataField; private ushort ClassIdField; private string InstanceIdField; private sbyte AttributeIdField; public System.Runtime.Serialization.ExtensionDataObject ExtensionData { get { return this.extensionDataField; } set { this.extensionDataField = value; } } [System.Runtime.Serialization.DataMemberAttribute(IsRequired=true)] public ushort ClassId { get { return this.ClassIdField; } set { this.ClassIdField = value; } } [System.Runtime.Serialization.DataMemberAttribute(IsRequired=true, EmitDefaultValue=false)] public string InstanceId { get { return this.InstanceIdField; } set { this.InstanceIdField = value; } } [System.Runtime.Serialization.DataMemberAttribute(IsRequired=true, Order=2)] public sbyte AttributeId { get { return this.AttributeIdField; } set { this.AttributeIdField = value; } } } Now, the problem is I can't serialize the class. Here is the serialization code: cosemAttributeDescriptor cAttrD = new cosemAttributeDescriptor(); cAttrD.ClassId = 3; cAttrD.InstanceId = "0100010800FF"; cAttrD.AttributeId = 0; DataContractSerializer dSer = new DataContractSerializer(typeof(cosemAttributeDescriptor)); StringBuilder sb = new StringBuilder(); XmlWriter xW = XmlWriter.Create(sb); dSer.WriteObject(xW, cAttrD); When I try to serialize the class, I get empty string. Any thoughts?

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  • More efficient way to find media item in WMP media library?

    - by RoseOfJericho
    Hello, all. I am messing around with the WMPLib component provided by Windows Media Player 12 (wmp.dll) in VB.NET with .NET Framework 3.5 SP1. I am trying to retrieve a media item from my media library based on its name (assuming there are no duplicate names). At the moment, I'm grabbing the entire media library, and looping through every media item, and quitting the loop when I've found the correct media item. This works well (except for when a media item with that name cannot be found), but I was hoping there was a more efficient way of doing this. Here is my code so far: Public Class WMPTest Private myWMP As WMPLib.IWMPCore Private myMediaCollection As WMPLib.IWMPMediaCollection Private myTrack As WMPLib.IWMPMedia Private allTracks As WMPLib.IWMPPlaylist Public Sub New() ' This call is required by the Windows Form Designer. InitializeComponent() ' Add any initialization after the InitializeComponent() call. myWMP = New WMPLib.WindowsMediaPlayer myMediaCollection = myWMP.mediaCollection allTracks = myMediaCollection.getAll Dim theTrack As WMPLib.IWMPMedia = findTrack("Yellow Submarine") MessageBox.Show(theTrack.name) End Sub Public Function findTrack(ByVal strTrackName As String) As WMPLib.IWMPMedia For i As Integer = 0 To (allTracks.count - 1) If allTracks.Item(i).name = strTrackName Then myTrack = allTracks.Item(i) Exit For End If Next 'myTrack is now the track that we wanted to retrieve Return myTrack End Function End Class So what I really want is a way to optimize findTrack() to do its thing without looping through the entire media library (which could be huge). Anyone have a clue?

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  • Multi page forms on ASP.NET MVC

    - by Jay
    Hi, I have decided to use ASP.NET MVC to develop multi page (registration) forms in asp.net. There will be two buttons on each page that allows the user to navigate to the previous and next page. When the user navigates back to a page they recently filled out, the data should be displayed to them. I understand ASP.NET MVC should remain stateless but how should I maintain page information when the user navigates back and forth. Should I? Save the information to a database and retrieve information for each page change? save information to the session? Load all the fields and display only whats's needed with javascript? This registration form is going to be used in multiple sites but with different sets of questions (Some may be the same). IF performance is a main concern, should I avoid generating these forms dynamically? Jay

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  • Flex textarea control not updating properly.

    - by ielashi
    I am writing a flex application that involves modifying a textarea very frequently. I have encountered issues with the textarea sometimes not displaying my modifications. The following actionscript code illustrates my problem: <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" minWidth="955" minHeight="600"> <mx:TextArea x="82" y="36" width="354" height="291" id="textArea" creationComplete="initApp()"/> <mx:Script> <![CDATA[ private var testSentence:String = "The big brown fox jumps over the lazy dog."; private var testCounter:int = 0; private function initApp():void { var timer:Timer = new Timer(10); timer.addEventListener(TimerEvent.TIMER, playSentence); timer.start(); } private function playSentence(event:TimerEvent):void { textArea.editable = false; if (testCounter == testSentence.length) { testCounter = 0; textArea.text += "\n"; } else { textArea.text += testSentence.charAt(testCounter++); } textArea.editable = true; } ]]> </mx:Script> </mx:Application> When you run the above code in a flex project, it should repeatedly print, character by character, the sentence "The big brown fox jumps over the lazy dog.". But, if you are typing into the textarea at the same time, you will notice the text the timer prints is distorted. I am really curious as to why this happens. The single-threaded nature of flex and disabling user input for the textarea when I make modifications should prevent this from happening, but for some reason this doesn't seem to be working. I must note too that, when running the timer at larger intervals (around 100ms) it seems to work perfectly, so I am tempted to think it's some kind of synchronization issue in the internals of the flex framework. Any ideas on what could be causing the problem?

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  • How to befriend a templated class's constructor?

    - by Kyle
    Why does class A; template<typename T> class B { private: A* a; public: B(); }; class A : public B<int> { private: friend B<int>::B<int>(); int x; }; template<typename T> B<T>::B() { a = new A; a->x = 5; } int main() { return 0; } result in ../src/main.cpp:15: error: invalid use of constructor as a template ../src/main.cpp:15: note: use ‘B::B’ instead of ‘B::class B’ to name the constructor in a qualified name yet changing friend B<int>::B<int>() to friend B<int>::B() results in ../src/main.cpp:15: error: no ‘void B::B()’ member function declared in class ‘B’ while removing the template completely class A; class B { private: A* a; public: B(); }; class A : public B { private: friend B::B(); int x; }; B::B() { a = new A; a->x = 5; } int main() { return 0; } compiles and executes just fine -- despite my IDE saying friend B::B() is invalid syntax?

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  • FileInputStream throws NullPointerException.

    - by Mohamed
    I am getting nullpointerexception, don't know what actually is causing it. I read from java docs that fileinputstream only throws securityexception so don't understand why this exception pops up. here is my code snippet. private Properties prop = new Properties(); private String settings_file_name = "settings.properties"; private String settings_dir = "\\.autograder\\"; public Properties get_settings() { String path = this.get_settings_directory(); System.out.println(path + this.settings_dir + this.settings_file_name); if (this.settings_exist(path)) { try { FileInputStream in = new FileInputStream(path + this.settings_dir + this.settings_file_name); this.prop.load(in); in.close(); } catch (IOException e) { e.printStackTrace(); } } else { this.create_settings_file(path); try{ this.prop.load(new FileInputStream(path + this.settings_dir + this.settings_file_name)); }catch (IOException ex){ //ex.printStackTrace(); } } return this.prop; } private String get_settings_directory() { String user_home = System.getProperty("user.home"); if (user_home == null) { throw new IllegalStateException("user.home==null"); } return user_home; } and here is my stacktrace: C:\Users\mohamed\.autograder\settings.properties Exception in thread "main" java.lang.NullPointerException at autograder.Settings.get_settings(Settings.java:41) at autograder.Application.start(Application.java:20) at autograder.Main.main(Main.java:19) Java Result: 1 BUILD SUCCESSFUL (total time: 0 seconds) Line 41 is: this.prop.load(in);

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  • problem disposing class in Dictionary it is Still in the heap memory although using GC.Collect

    - by Bahgat Mashaly
    Hello i have a problem disposing class in Dictionary this is my code private Dictionary<string, MyProcessor> Processors = new Dictionary<string, MyProcessor>(); private void button1_Click(object sender, EventArgs e) { if (!Processors.ContainsKey(textBox1.Text)) { Processors.Add(textBox1.Text, new MyProcessor()); } } private void button2_Click(object sender, EventArgs e) { MyProcessor currnt_processor = Processors[textBox1.Text]; Processors.Remove(textBox2.Text); currnt_processor.Dispose(); currnt_processor = null; GC.Collect(); } public class MyProcessor: IDisposable { private bool isDisposed = false; string x = ""; public MyProcessor() { for (int i = 0; i < 20000; i++) { //this line only to increase the memory usage to know if the class is dispose or not x = x + "gggggggggggg"; } this.Dispose(); GC.SuppressFinalize(this); } public void Dispose() { this.Dispose(true); GC.SuppressFinalize(this); } public void Dispose(bool disposing) { if (!this.isDisposed) { isDisposed = true; this.Dispose(); } } ~MyProcessor() { Dispose(false); } } i use "ANTS Memory Profiler" to monitor heap memory the disposing work only when i remove all keys from dictionary how can i destroy the class from heap memory ? thanks in advance

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  • How to connect to a SOAP webServices with Android

    - by dom4
    Hi everyone,I'm programming an application who must send coordinate and request to a WebServices this is my code: private String SOAP_ACTION = "getAllPositions"; private String METHOD_NAME = "getAllPositions"; private String NAMESPACE = "http://session/"; private static final String URL ="http://192.41.218.56:8080/WSGeoEAR-WSGeoServer/NavFinderBean?WSDL"; /** Called when the activity is first created. */ @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); request.addProperty("idUtente",1); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet = true; envelope.setOutputSoapObject(request); AndroidHttpTransport androidHttpTransport = new AndroidHttpTransport(URL); androidHttpTransport.setXmlVersionTag("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); androidHttpTransport.debug = true; try{ androidHttpTransport.call(SOAP_ACTION, envelope); SoapObject resultsRequestSOAP = (SoapObject) envelope.bodyIn; ArrayList<position> resultData = (ArrayList<position>)resultsRequestSOAP.getProperty("getAllPositionsResponse"); for(position p : resultData) { ((TextView)findViewById(R.id.lblStatus)).setText(p.getAllInformation()); } } catch(Exception E) { ((TextView)findViewById(R.id.lblStatus)).setText("ERROR:" + E.getClass().getName() + ": " + E.getMessage()); } } } I've also create a class position. It doesn't work,can someone help me?Thanks

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  • Trend analysis using iterative value increments

    - by Dave Jarvis
    We have configured iReport to generate the following graph: The real data points are in blue, the trend line is green. The problems include: Too many data points for the trend line Trend line does not follow a Bezier curve (spline) The source of the problem is with the incrementer class. The incrementer is provided with the data points iteratively. There does not appear to be a way to get the set of data. The code that calculates the trend line looks as follows: import java.math.BigDecimal; import net.sf.jasperreports.engine.fill.*; /** * Used by an iReport variable to increment its average. */ public class MovingAverageIncrementer implements JRIncrementer { private BigDecimal average; private int incr = 0; /** * Instantiated by the MovingAverageIncrementerFactory class. */ public MovingAverageIncrementer() { } /** * Returns the newly incremented value, which is calculated by averaging * the previous value from the previous call to this method. * * @param jrFillVariable Unused. * @param object New data point to average. * @param abstractValueProvider Unused. * @return The newly incremented value. */ public Object increment( JRFillVariable jrFillVariable, Object object, AbstractValueProvider abstractValueProvider ) { BigDecimal value = new BigDecimal( ( ( Number )object ).doubleValue() ); // Average every 10 data points // if( incr % 10 == 0 ) { setAverage( ( value.add( getAverage() ).doubleValue() / 2.0 ) ); } incr++; return getAverage(); } /** * Changes the value that is the moving average. * @param average The new moving average value. */ private void setAverage( BigDecimal average ) { this.average = average; } /** * Returns the current moving average average. * @return Value used for plotting on a report. */ protected BigDecimal getAverage() { if( this.average == null ) { this.average = new BigDecimal( 0 ); } return this.average; } /** Helper method. */ private void setAverage( double d ) { setAverage( new BigDecimal( d ) ); } } How would you create a smoother and more accurate representation of the trend line?

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  • JPA association table is not deletable

    - by Marcel
    Hi I have a problem with JPA (EclipseLink). I am not able to delete a association table. This is the situation: Product 1:n to ProductResource Resource 1:n to ProductResource I first set the product and resource attributes of ProductResource. If I then try to delete the ProductResource object nothing happens (no sql is generated - no exception). If I comment out both OneToMany annotations in ProductResource I can delete the object. I can also delete the object when product and resource attributes are not set. If I comment out only the annotation above the ressource attribut the ProductResource object gets deleted upon the deletion of the product object (cascade=CascadeType.ALL). I hope someone could give me a hint. Thank you. Product Resource: public class ProductResource implements Serializable { @ManyToOne(fetch=FetchType.EAGER, cascade=CascadeType.MERGE) private Product product; @ManyToOne(fetch=FetchType.EAGER, cascade=CascadeType.MERGE) private Resource resource; Product: public class Product implements Serializable { @OneToMany(mappedBy="product", fetch=FetchType.EAGER, cascade=CascadeType.ALL) private List<ProductResource> productResources = new ArrayList<ProductResource>(); Resource: public class Resource implements Serializable { @OneToMany(mappedBy="resource", fetch=FetchType.EAGER, cascade=CascadeType.ALL) private List<ProductResource> productResources = new ArrayList<ProductResource>(); Greetings Marcel

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  • Spring MVC parameter validation

    - by Don
    Hi, I've defined a controller, validator and command class for a Spring 2.5 MVC application like this: public class ResourceController extends AbstractCommandController { private MessageRetriever messageRetriever; protected ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object command, BindException errors) throws Exception { ResourceCommand resourceCommand = (ResourceCommand) command; // I NEED TO CHECK HERE IF COMMAND IS VALID? } public static class ResourceCommand { private String module; private String site; private String lang; // GETTERS AND SETTERS OMITTED } public static class ResourceValidator implements Validator { public boolean supports(Class clazz) { return ResourceCommand.class.isAssignableFrom(clazz); } public void validate(Object obj, Errors errors) { ValidationUtils.rejectIfEmptyOrWhitespace(errors, "module", "MODULE_REQUIRED"); ValidationUtils.rejectIfEmptyOrWhitespace(errors, "site", "SITE_REQUIRED"); ValidationUtils.rejectIfEmptyOrWhitespace(errors, "lang", "LANG_REQUIRED"); } } } I have wired these all together in the application context: <bean id="resourceController" class="com.amadeus.jcp.ui.framework.localization.ResourceController"> <property name="commandClass" value="com.amadeus.jcp.ui.framework.localization.ResourceController.ResourceCommand"/> <property name="validator"> <bean class="com.amadeus.jcp.ui.framework.localization.ResourceController.ResourceValidator"/> </property> </bean> However, I can't figure out how to actually check whether the command is valid or not - I assume the framework calls the validator, but how do I get access to the result? Incidentally, I'm using Java 1.4, so can't use any solutions that require annotations or other Java 1.5 features. Thanks, Don

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  • redirect to a route alias on a form validation error

    - by Kevin Monk
    If I'm on a route alias such as /register and I have a form error and I render :new, is it possible for the path to be /register still? At the moment it is rendering /new I could do a redirect_to register_path but then I would lose the params? It's making the following test fail: Scenario: Try registering with a bad staff number Given I am on the registration page When I fill in "email" with "[email protected]" And I fill in "First Name" with "Kevin" And I fill in "last name" with "Monk" And I fill in "Employee Number" with "something barking123" And I press "Register" Then I should be on the registration page And I should see "Your employee ID number looks incorrect."

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  • How to retrieve a pixel in a tiff image (loaded with JAI)?

    - by Ed Taylor
    I'm using a class (DisplayContainer) to hold a RenderedOp-image that should be displayed to the user: RenderedOp image1 = JAI.create("tiff", params); DisplayContainer d = new DisplayContainer(image1); JScrollPane jsp = new JScrollPane(d); // Create a frame to contain the panel. Frame window = new Frame(); window.add(jsp); window.pack(); window.setVisible(true); The class DisplayContainer looks like this: import java.awt.event.MouseEvent; import java.awt.geom.AffineTransform; import javax.media.jai.RenderedOp; import com.sun.media.jai.widget.DisplayJAI; public class DisplayContainer extends DisplayJAI { private static final long serialVersionUID = 1L; private RenderedOp img; // Affine tranform private final float ratio = 1f; private AffineTransform scaleForm = AffineTransform.getScaleInstance(ratio, ratio); public DisplayContainer(RenderedOp img) { super(img); this.img = img; addMouseListener(this); } public void mouseClicked(MouseEvent e) { System.out.println("Mouseclick at: (" + e.getX() + ", " + e.getY() + ")"); // How to retrieve the RGB-value of the pixel where the click took // place? } // OMISSIONS } What I would like to know is how the RGB value of the clicked pixel can be obtained?

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  • listView dynamic add item

    - by pengwang
    hello,I used ListView to dynamic add item,but there is a problem about not Smooth add. there are textView and button in my listActivity,Iwant to Press button ,then textView"s text can auto add to listView,but i Pressed button ,it donot work,unless after i enter content , press "OK"Key ,then Pressed button ,textView"s text can auto add to listView. I donot know why. if I continuous Pressed button ,as3 times, then press "Ok"Key ,the content auto add list View but 3 times. public class DynamicListItems extends ListActivity { private static final String ITEM_KEY = "key"; ArrayList<HashMap<String, String>> list= new ArrayList<HashMap<String, String>>(); private SimpleAdapter adapter; private EditText newValue;@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.dynamic_list); newValue = (EditText) findViewById(R.id.new_value_field); setListAdapter(new SimpleAdapter(this, list, R.layout.row, new String[] { ITEM_KEY }, new int[] { R.id.list_value })); ((ImageButton) findViewById(R.id.button)).setOnClickListener(getBtnClickListener()); } private OnClickListener getBtnClickListener() { return new OnClickListener() { public void onClick(View view) { try { HashMap<String, String> item = new HashMap<String, String>(); item.put(ITEM_KEY, newValue.getText().toString()); list.add(item); adapter.notifyDataSetChanged(); } catch (NullPointerException e) { Log.i("[Dynamic Items]", "Tried to add null value"); } } }; }} my another question is how to dynamic delete the item,which event i need to used,could you give me some directions or Code snippets? dynamic_list.xml only contains listView ,button,textView row.xml contains TextView . i amm sorry i donot edit code together.

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  • HTTP Basic Authentication with HTTPService Objects in Adobe Flex/AIR

    - by Bob Somers
    I'm trying to request a HTTP resource that requires basic authorization headers from within an Adobe AIR application. I've tried manually adding the headers to the request, as well as using the setRemoteCredentials() method to set them, to no avail. Here's the code: <mx:Script> <![CDATA[ import mx.rpc.events.ResultEvent; import mx.rpc.events.FaultEvent; private function authAndSend(service:HTTPService):void { service.setRemoteCredentials('someusername', 'somepassword'); service.send(); } private function resultHandler(event:ResultEvent):void { apiResult.text = event.result.toString(); } private function resultFailed(event:FaultEvent):void { apiResult.text = event.fault.toString(); } ]]> </mx:Script> <mx:HTTPService id="apiService" url="https://mywebservice.com/someFileThatRequiresBasicAuth.xml" resultFormat="text" result="resultHandler(event)" fault="resultFailed(event)" /> <mx:Button id="apiButton" label="Test API Command" click="authAndSend(apiService)" /> <mx:TextArea id="apiResult" /> However, a standard basic auth dialog box still pops up prompting the user for their username and password. I have a feeling I'm not doing this the right way, but all the info I could find (Flex docs, blogs, Google, etc.) either hasn't worked or was too vague to help. Any black magic, oh Flex gurus? Thanks. EDIT: Changing setRemoteCredentials() to setCredentials() yields the following ActionScript error: [MessagingError message='Authentication not supported on DirectHTTPChannel (no proxy).'] EDIT: Problem solved, after some attention from Adobe. See the posts below for a full explanation. This code will work for HTTP Authentication headers of arbitrary length. import mx.utils.Base64Encoder; private function authAndSend(service:HTTPService):void { var encoder:Base64Encoder = new Base64Encoder(); encoder.insertNewLines = false; // see below for why you need to do this encoder.encode("someusername:somepassword"); service.headers = {Authorization:"Basic " + encoder.toString()}; service.send(); }

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  • Jackson object mapping - map incoming JSON field to protected property in base class

    - by Pete
    We use Jersey/Jackson for our REST application. Incoming JSON strings get mapped to the @Entity objects in the backend by Jackson to be persisted. The problem arises from the base class that we use for all entities. It has a protected id property, which we want to exchange via REST as well so that when we send an object that has dependencies, hibernate will automatically fetch these dependencies by their ids. Howevery, Jackson does not access the setter, even if we override it in the subclass to be public. We also tried using @JsonSetter but to no avail. Probably Jackson just looks at the base class and sees ID is not accessible so it skips setting it... @MappedSuperclass public abstract class AbstractPersistable<PK extends Serializable> implements Persistable<PK> { @Id @GeneratedValue(strategy = GenerationType.AUTO) private PK id; public PK getId() { return id; } protected void setId(final PK id) { this.id = id; } Subclasses: public class A extends AbstractPersistable<Long> { private String name; } public class B extends AbstractPersistable<Long> { private A a; private int value; // getter, setter // make base class setter accessible @Override @JsonSetter("id") public void setId(Long id) { super.setId(id); } } Now if there are some As in our database and we want to create a new B via the REST resource: @POST @Consumes(MediaType.APPLICATION_JSON) @Produces(MediaType.APPLICATION_JSON) @Transactional public Response create(B b) { if (b.getA().getId() == null) cry(); } with a JSON String like this {"a":{"id":"1","name":"foo"},"value":"123"}. The incoming B will have the A reference but without an ID. Is there any way to tell Jackson to either ignore the base class setter or tell it to use the subclass setter instead? I've just found out about @JsonTypeInfo but I'm not sure this is what I need or how to use it. Thanks for any help!

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  • Why ComboBox hides cursor when DroppedDown is set?

    - by Ivan Danilov
    Let's create WinForms Application (I have Visual Studio 2008 running on Windows Vista, but it seems that described situation takes place almost everywhere from Win98 to Vista, on native or managed code). Write such code: using System; using System.Drawing; using System.Windows.Forms; namespace WindowsFormsApplication1 { public class Form1 : Form { private readonly Button button1 = new Button(); private readonly ComboBox comboBox1 = new ComboBox(); private readonly TextBox textBox1 = new TextBox(); public Form1() { SuspendLayout(); textBox1.Location = new Point(21, 51); button1.Location = new Point(146, 49); button1.Text = "button1"; button1.Click += button1_Click; comboBox1.Items.AddRange(new[] {"1", "2", "3", "4", "5", "6"}); comboBox1.Location = new Point(21, 93); AcceptButton = button1; Controls.AddRange(new Control[] {textBox1, comboBox1, button1}); Text = "Form1"; ResumeLayout(false); PerformLayout(); } private void button1_Click(object sender, EventArgs e) { comboBox1.DroppedDown = true; } } } Then, run app. Place mouse cursor on the form and don't touch mouse anymore. Start to type something in TextBox - cursor will hide because of it. When you press Enter key - event throws and ComboBox will be dropped down. But now cursor won't appear even if you move it! And appears only when you click somewhere. There I've found discussion of this problem. But there's no good solution... Any thoughts? :)

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  • How can I mock this asynchronous method?

    - by Charlie
    I have a class that roughly looks like this: public class ViewModel { public ViewModel(IWebService service) { this.WebService = service; } private IWebService WebService{get;set;} private IEnumerable<SomeData> MyData{get;set;} private void GetReferenceData() { this.WebService.BeginGetStaticReferenceData(GetReferenceDataOnComplete, null); } private void GetReferenceDataOnComplete(IAsyncResult result) { this.MyData = this.WebService.EndGetStaticReferenceData(result); } . . . } I want to mock my IWebService interface so that when BeginGetStaticReferenceData is called it is able to call the callback method. I'm using Moq and I can't work out how to do this. My unit test set up code looks something like: //Arrange var service = new Mock<IWebService>(); service.Setup(x => x.BeginGetStaticReferenceData(/*.......don't know.....*/)); service.Setup(x => x.EndGetStaticReferenceData(It.IsAny<IAsyncResult>())).Returns(new List<SomeData>{new SomeData{Name="blah"}}); var viewModel = new ViewModel(service.Object); . .

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  • add JButton into frame with JTable

    - by Edan
    hello, I would like to know how to put a button inside a frame that contain JTable inside. (The button should not be inside a cell, but after the table ends) Here is the example code I wrote so far: class SimpleTableExample extends JFrame { // Instance attributes used in this example private JPanel topPanel; private JTable table; private JScrollPane scrollPane; private JButton update_Button; // Constructor of main frame public SimpleTableExample() { // Set the frame characteristics setTitle("Add new item" ); setSize(300, 200); setBackground( Color.gray ); // Create a panel to hold all other components topPanel = new JPanel(); topPanel.setLayout( new BorderLayout() ); getContentPane().add( topPanel ); // Create columns names String columnNames[] = {"Item Description", "Item Type", "Item Price"}; // Create some data String dataValues[][] = {{ "0", "Entree", "0" }}; // Create a new table instance table = new JTable( dataValues, columnNames ); //////////////////////////// JComboBox item_Type_Combobox = new JComboBox(); item_Type_Combobox = new JComboBox(item_Type.values()); TableColumn column = table.getColumnModel().getColumn(1); column.setCellEditor(new DefaultCellEditor(item_Type_Combobox)); //////////////////////////// // Add the table to a scrolling pane scrollPane = new JScrollPane( table ); topPanel.add( scrollPane, BorderLayout.CENTER ); } } How do I add button after the table I created? thanks in advance

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  • C# unit test code questions continue

    - by 5YrsLaterDBA
    more questions after questions in here: http://stackoverflow.com/questions/2714073/c-unit-test-code-questions I found the VS unit test testframe treat private and protected method in the same way but deferent with public method. The following is the generated code for a private method: /// <summary> ///A test for recordLogin ///</summary> [TestMethod()] [DeploymentItem("SystemSoftware.exe")] public void recordLoginTest() { User_Accessor target = new User_Accessor(); // TODO: Initialize to an appropriate value Guid userId = new Guid(); // TODO: Initialize to an appropriate value string action = string.Empty; // TODO: Initialize to an appropriate value Users user = null; // TODO: Initialize to an appropriate value AndeDBEntities db = null; // TODO: Initialize to an appropriate value bool expected = false; // TODO: Initialize to an appropriate value bool actual; actual = target.recordLogin(userId, action, user, db); Assert.AreEqual(expected, actual); Assert.Inconclusive("Verify the correctness of this test method."); } questions: [DeploymentItem("SystemSoftware.exe")] is for private and protected methods, why needs it and what is it for? In my original class/file, if I point to the original method and try to "Find All References". The reference in the unit test class/file will not show up for private and protected methods but it will show up for all public methods. Why is that? Is it right? 3.

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