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• GetProperties() to return all properties for an interface inheritance hierarchy

  - by sduplooy

  Assuming the following hypothetical inheritance hierarchy: public interface IA { int ID { get; set; } } public interface IB : IA { string Name { get; set; } } Using reflection and making the following call: typeof(IB).GetProperties(BindingFlags.Public | BindingFlags.Instance) will only yield the properties of interface IB, which is "Name". If we were to do a similar test on the following code, public abstract class A { public int ID { get; set; } } public class B : A { public string Name { get; set; } } the call typeof(B).GetProperties(BindingFlags.Public | BindingFlags.Instance) will return an array of PropertyInfo objects for "ID" and "Name". Is there an easy way to find all the properties in the inheritance hierarchy for interfaces as in the first example?

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• Constructor versus setter injection

  - by Chris

  Hi, I'm currently designing an API where I wish to allow configuration via a variety of methods. One method is via an XML configuration schema and another method is through an API that I wish to play nicely with Spring. My XML schema parsing code was previously hidden and therefore the only concern was for it to work but now I wish to build a public API and I'm quite concerned about best-practice. It seems that many favor javabean type PoJo's with default zero parameter constructors and then setter injection. The problem I am trying to tackle is that some setter methods implementations are dependent on other setter methods being called before them in sequence. I could write anal setters that will tolerate themselves being called in many orders but that will not solve the problem of a user forgetting to set the appropriate setter and therefore the bean being in an incomplete state. The only solution I can think of is to forget about the objects being 'beans' and enforce the required parameters via constructor injection. An example of this is in the default setting of the id of a component based on the id of the parent components. My Interface public interface IMyIdentityInterface { public String getId(); /* A null value should create a unique meaningful default */ public void setId(String id); public IMyIdentityInterface getParent(); public void setParent(IMyIdentityInterface parent); } Base Implementation of interface: public abstract class MyIdentityBaseClass implements IMyIdentityInterface { private String _id; private IMyIdentityInterface _parent; public MyIdentityBaseClass () {} @Override public String getId() { return _id; } /** * If the id is null, then use the id of the parent component * appended with a lower-cased simple name of the current impl * class along with a counter suffix to enforce uniqueness */ @Override public void setId(String id) { if (id == null) { IMyIdentityInterface parent = getParent(); if (parent == null) { // this may be the top level component or it may be that // the user called setId() before setParent(..) } else { _id = Helpers.makeIdFromParent(parent,getClass()); } } else { _id = id; } } @Override public IMyIdentityInterface getParent() { return _parent; } @Override public void setParent(IMyIdentityInterface parent) { _parent = parent; } } Every component in the framework will have a parent except for the top level component. Using the setter type of injection, then the setters will have different behavior based on the order of the calling of the setters. In this case, would you agree, that a constructor taking a reference to the parent is better and dropping the parent setter method from the interface entirely? Is it considered bad practice if I wish to be able to configure these components using an IoC container? Chris

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• Fluent NHibernate Map to private/protected Field that has no exposing Property

  - by Jon Erickson

  I have the following Person and Gender classes (I don't really, but the example is simplified to get my point across), using NHibernate (Fluent NHibernate) I want to map the Database Column "GenderId" [INT] value to the protected int _genderId field in my Person class. How do I do this? FYI, the mappings and the domain objects are in separate assemblies. public class Person : Entity { protected int _genderId; public virtual int Id { get; private set; } public virtual string Name { get; private set; } public virtual Gender Gender { get { return Gender.FromId(_genderId); } } } public class Gender : EnumerationBase<Gender> { public static Gender Male = new Gender(1, "Male"); public static Gender Female = new Gender(2, "Female"); private static readonly Gender[] _genders = new[] { Male, Female }; private Gender(int id, string name) { Id = id; Name = name; } public int Id { get; private set; } public string Name { get; private set; } public static Gender FromId(int id) { return _genders.Where(x => x.Id == id).SingleOrDefault(); } }

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• In an extension method how do a create an object based on the implementation class

  - by Greg

  Hi, In an extension method how do a create an object based on the implementation class. So in the code below I wanted to add an "AddRelationship" extension method, however I'm not sure how within the extension method I can create an Relationship object? i.e. don't want to tie the extension method to this particular implementation of relationship public static class TopologyExtns { public static void AddNode<T>(this ITopology<T> topIf, INode<T> node) { topIf.Nodes.Add(node.Key, node); } public static INode<T> FindNode<T>(this ITopology<T> topIf, T searchKey) { return topIf.Nodes[searchKey]; } public static bool AddRelationship<T>(this ITopology<T> topIf, INode<T> parentNode, INode<T> childNode) { var rel = new RelationshipImp(); // ** How do I create an object from teh implementation // Add nodes to Relationship // Add relationships to Nodes } } public interface ITopology<T> { //List<INode> Nodes { get; set; } Dictionary<T, INode<T> > Nodes { get; set; } } public interface INode<T> { // Properties List<IRelationship<T>> Relationships { get; set; } T Key { get; } } public interface IRelationship<T> { // Parameters INode<T> Parent { get; set; } INode<T> Child { get; set; } } namespace TopologyLibrary_Client { class RelationshipsImp : IRelationship<string> { public INode<string> Parent { get; set; } public INode<string> Child { get; set; } } } public class TopologyImp<T> : ITopology<T> { public Dictionary<T, INode<T>> Nodes { get; set; } public TopologyImp() { Nodes = new Dictionary<T, INode<T>>(); } } thanks

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• How do I implement a listener pattern over RMI using Spring?

  - by predhme

  So here is a generalized version of our application desgin: @Controller public class MyController { @Autowired private MyServiceInterface myServiceInterface; @RequestMapping("/myURL") public @ResponseBody String doSomething() { MyListenerInterface listener = new MyListenerInterfaceImpl(); myServiceInterface.doThenCallListener(listener); // do post stuff } } public interface MyListenerInterface { public void callA(); public void callB(); } public class MyListenerInterfaceImpl implements MyListenerInterface { // ... omitted for clarity } public interface MyServiceInterface { public void doThenCallListener(MyListenerInterface listener); } public class MyServiceImpl { public void doThenCallListener(MyListenerInterface listener) { // do stuff listener.callA(); } } Basically I have a controller that is being called via AJAX in which I am looking to return a response as a string. However, I need to make a call to the backend (MyServiceInterface). That guy is exposed through RMI by using Spring (man that was easy). But the service method as described requires a listener to be registered for invokation completion purposes. So what I assume I need to achieve is transparently to the backend make it so that when the listener methods are called, really the call is going over RMI. I would have thought Spring would have a simple way to wrap a POJO (not a service singleton) with RMI calls. I looked through their documentation but they had nothing besides exposing services via RMI. Could someone point me in the right direction?

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• how to restart a Thread?

  - by wizztjh

  It is a RMI Server object , so many sethumanActivity() might be run , how do i make sure the previous changeToFalse thread will be stop or halt before the new changeToFalse run? t. interrupt ? Basically when sethumanActivity() is invoke , the humanActivity will be set to true , but a thread will be run to set it back to false. But I am thinking for how to disable or kill the thread when another sethumanActivity() invoked? public class VitaminDEngine implements VitaminD { public boolean humanActivity = false; changeToFalse cf = new changeToFalse(); Thread t = new Thread(cf); private class changeToFalse implements Runnable{ @Override public void run() { try { Thread.sleep(4000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } humanActivity = false; } } @Override public void sethumanActivity() throws RemoteException { // TODO Auto-generated method stub humanActivity = true; t.start(); } public boolean gethumanActivity() throws RemoteException { // TODO Auto-generated method stub return humanActivity; } } Edited after the help of SOer package smartOfficeJava; import java.rmi.RemoteException; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; public class VitaminDEngine implements VitaminD { public volatile boolean humanActivity = false; changeToFalse cf = new changeToFalse(); ExecutorService service = Executors.newSingleThreadExecutor(); private class changeToFalse implements Runnable{ @Override public void run() { try { Thread.sleep(4000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } humanActivity = false; } } @Override public synchronized void sethumanActivity() throws RemoteException { humanActivity = true; service.submit(cf); } public synchronized boolean gethumanActivity() throws RemoteException { return humanActivity; } }

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• nHibernate query looking for the related object's related object

  - by code-zoop

  I have an nHibernate querie issue that looks quite straight forward, but I can't seem to get my head around it! I am creating some simple example classes to illustrate my problem: public class Car { public int Id { get; set; } public IList<Interior> InteriorParts { get; set; } } public class Interior { public int Id { get; set; } public InteriorProducer Producer { get; set; } } public class InteriorProducer { public int Id { get; set; } } Now to the query: I have the id of the InteriorProducer, but need to get a list of Cars where the interior have been produced by the interior producer. So in a simple, pseudo SQL, it looks something like this: select cars where car.InteriorParts.Producer.Id = Id I have a really hard time getting my head around this to create an nHibernate query. Any Ideas? Thanks

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• WCF RIA Services Custom Type with Collection of Custom Types

  - by Blakewell

  Is it possible to have a custom type within a custom type and have the result returned via WCF RIA services? I have the following two classes below, but I can't gain access to the Verticies property within the Polygon class. I assume it is because it is a custom class, or something to do with it being a List collection. Polygon Class public class Polygon { public Polygon() { _vertices = new List<Location>(); } private int _id; [Key] public int Id { get; set; } private List<Location> _vertices; public List<Location> Vertices { get { return _vertices; } set { _vertices = value; } } } Location Class public class Location { public Location() { } /// <summary> /// Default constructor for creating a Location object /// </summary> /// <param name="latitude"></param> /// <param name="longitude"></param> public Location( double latitude, double longitude ) { _latitude = latitude; _longitude = longitude; } private int _id; [Key] public int Id { get { return _id; } set { _id = value; } } private double _latitude; /// <summary> /// Latitude coordinate of the location /// </summary> public double Latitude { get { return _latitude; } set { _latitude = value; } } private double _longitude; /// <summary> /// Longitude coordiante of the location /// </summary> public double Longitude { get { return _longitude; } set { _longitude = value; } } }

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• Delegates in Action -Help

  - by Amutha

  I am learning delegates.I am very curious to apply delegates to the following chain-of-responsibility pattern. Kindly help me the way to apply delegates to the following piece. Thanks in advance.Thanks for your effort. #region Chain of Responsibility Pattern namespace Chain { public class Player { public string Name { get; set; } public int Score { get; set; } } public abstract class PlayerHandler { protected PlayerHandler _Successor = null; public abstract void HandlePlayer(Player _player); public void SetupHandler(PlayerHandler _handler) { _Successor = _handler; } } public class Employee : PlayerHandler { public override void HandlePlayer(Player _player) { if (_player.Score <= 100) { MessageBox.Show(string.Format("{0} is greeted by Employee", _player.Name)); } else { _Successor.HandlePlayer(_player); } } } public class Supervisor : PlayerHandler { public override void HandlePlayer(Player _player) { if (_player.Score >100 && _player.Score<=200) { MessageBox.Show(string.Format("{0} is greeted by Supervisor", _player.Name)); } else { _Successor.HandlePlayer(_player); } } } public class Manager : PlayerHandler { public override void HandlePlayer(Player _player) { if (_player.Score > 200) { MessageBox.Show(string.Format("{0} is greeted by Manager", _player.Name)); } else { MessageBox.Show(string.Format("{0} got low score", _player.Name)); } } } } #endregion #region Main() void Main() { Chain.Player p1 = new Chain.Player(); p1.Name = "Jon"; p1.Score = 100; Chain.Player p2 = new Chain.Player(); p2.Name = "William"; p2.Score = 170; Chain.Player p3 = new Chain.Player(); p3.Name = "Robert"; p3.Score = 300; Chain.Employee emp = new Chain.Employee(); Chain.Manager mgr = new Chain.Manager(); Chain.Supervisor sup = new Chain.Supervisor(); emp.SetupHandler(sup); sup.SetupHandler(mgr); emp.HandlePlayer(p1); emp.HandlePlayer(p2); emp.HandlePlayer(p3); } #endregion

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• C#: How to inherit constructors?

  - by Ian Boyd

  Imagine a base class with many constructors and a virtual method public class Foo { ... public Foo() {...} public Foo(int i) {...} ... public virtual void SomethingElse() {...} ... } and now I want to create a descendant class that overrides the virtual method: public class Bar : Foo { public override void SomethingElse() {...} } And another descendant that does some more stuff: public class Bah : Bar { public void DoMoreStuff() {...} } Do I really have to copy all constructors from Foo into Bar and Bah? And then if I change a constructor signature in Foo, do I have to update it in Bar and Bah? Is there no way to inherit constructors? Is there no way to encourage code reuse?

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• Android: Programatically Add UI Elements to a View

  - by Shivan Raptor

  My view is written as follow: package com.mycompany; import android.view.View; import java.util.concurrent.TimeUnit; import java.util.ArrayList; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.util.AttributeSet; import android.graphics.Paint; import android.graphics.Point; import android.hardware.Sensor; import android.hardware.SensorEvent; import android.hardware.SensorEventListener; import android.hardware.SensorManager; import android.widget.*; public class GameEngineView extends View implements SensorEventListener { GameLoop gameloop; String txt_acc; float accY; ArrayList<Point> bugPath; private SensorManager sensorManager; private class GameLoop extends Thread { private volatile boolean running = true; public void run() { while (running) { try { TimeUnit.MILLISECONDS.sleep(1); postInvalidate(); pause(); } catch (InterruptedException ex) { running = false; } } } public void pause() { running = false; } public void start() { running = true; run(); } public void safeStop() { running = false; interrupt(); } } public void unload() { gameloop.safeStop(); } public GameEngineView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); // TODO Auto-generated constructor stub init(context); } public GameEngineView(Context context, AttributeSet attrs) { super(context, attrs); // TODO Auto-generated constructor stub init(context); } public GameEngineView(Context context) { super(context); // TODO Auto-generated constructor stub init(context); } private void init(Context context) { txt_acc = ""; // Adding SENSOR sensorManager=(SensorManager)context.getSystemService(Context.SENSOR_SERVICE); // add listener. The listener will be HelloAndroid (this) class sensorManager.registerListener(this, sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_NORMAL); // Adding UI Elements : How ? Button btn_camera = new Button(context); btn_camera.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.FILL_PARENT)); btn_camera.setClickable(true); btn_camera.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { System.out.println("clicked the camera."); } }); gameloop = new GameLoop(); gameloop.run(); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { // TODO Auto-generated method stub //super.onMeasure(widthMeasureSpec, heightMeasureSpec); System.out.println("Width " + widthMeasureSpec); setMeasuredDimension(widthMeasureSpec, heightMeasureSpec); } @Override protected void onDraw(Canvas canvas) { // TODO Auto-generated method stub // super.onDraw(canvas); Paint p = new Paint(); p.setColor(Color.WHITE); p.setStyle(Paint.Style.FILL); p.setAntiAlias(true); p.setTextSize(30); canvas.drawText("|[ " + txt_acc + " ]|", 50, 500, p); gameloop.start(); } public void onAccuracyChanged(Sensor sensor,int accuracy){ } public void onSensorChanged(SensorEvent event){ if(event.sensor.getType()==Sensor.TYPE_ACCELEROMETER){ //float x=event.values[0]; accY =event.values[1]; //float z=event.values[2]; txt_acc = "" + accY; } } } I would like to add a Button to the scene, but I don't know how to. Can anybody give me some lights? UPDATE: Here is my Activity : public class MyActivity extends Activity { private GameEngineView gameEngine; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // add Game Engine gameEngine = new GameEngineView(this); setContentView(gameEngine); gameEngine.requestFocus(); } }

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• MySQL access classes in PHP

  - by Mike

  I have a connection class for MySQL that looks like this: class MySQLConnect { private $connection; private static $instances = 0; function __construct() { if(MySQLConnect::$instances == 0) { //Connect to MySQL server $this->connection = mysql_connect(MySQLConfig::HOST, MySQLConfig::USER, MySQLConfig::PASS) or die("Error: Unable to connect to the MySQL Server."); MySQLConnect::$instances = 1; } else { $msg = "Close the existing instance of the MySQLConnector class."; die($msg); } } public function singleQuery($query, $databasename) { mysql_select_db(MySQLConfig::DB, $this->connection) or die("Error: Could not select database " . MySQLConfig::DB . " from the server."); $result = mysql_query($query) or die('Query failed.'); return $result; } public function createResultSet($query, $databasename) { $rs = new MySQLResultSet($query, MySQLConfig::DB, $this->connection ) ; return $rs; } public function close() { MySQLConnect::$instances = 0; if(isset($this->connection) ) { mysql_close($this->connection) ; unset($this->connection) ; } } public function __destruct() { $this->close(); } } The MySQLResultSet class looks like this: class MySQLResultSet implements Iterator { private $query; private $databasename; private $connection; private $result; private $currentRow; private $key = 0; private $valid; public function __construct($query, $databasename, $connection) { $this->query = $query; //Select the database $selectedDatabase = mysql_select_db($databasename, $connection) or die("Error: Could not select database " . $this->dbname . " from the server."); $this->result = mysql_query($this->query) or die('Query failed.'); $this->rewind(); } public function getResult() { return $this->result; } // public function getRow() // { // return mysql_fetch_row($this->result); // } public function getNumberRows() { return mysql_num_rows($this->result); } //current() returns the current row public function current() { return $this->currentRow; } //key() returns the current index public function key() { return $this->key; } //next() moves forward one index public function next() { if($this->currentRow = mysql_fetch_array($this->result) ) { $this->valid = true; $this->key++; }else{ $this->valid = false; } } //rewind() moves to the starting index public function rewind() { $this->key = 0; if(mysql_num_rows($this->result) > 0) { if(mysql_data_seek($this->result, 0) ) { $this->valid = true; $this->key = 0; $this->currentRow = mysql_fetch_array($this->result); } } else { $this->valid = false; } } //valid returns 1 if the current position is a valid array index //and 0 if it is not valid public function valid() { return $this->valid; } } The following class is an example of how I am accessing the database: class ImageCount { public function getCount() { $mysqlConnector = new MySQLConnect(); $query = "SELECT * FROM images;"; $resultSet = $mysqlConnector->createResultSet($query, MySQLConfig::DB); $mysqlConnector->close(); return $resultSet->getNumberRows(); } } I use the ImageCount class like this: if(!ImageCount::getCount()) { //Do something } Question: Is this an okay way to access the database? Could anybody recommend an alternative method if it is bad? Thank-you.

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• Live wallpaper settings not applying

  - by Steve

  I have added settings to my live wallpaper but they are not being applied when changed. I would greatly appreciate it if someone could tell me why my settings are not being applied when changed. Here is my code: settings.xml <PreferenceCategory android:title="@string/more"> <PreferenceScreen android:title="@string/more"> <intent android:action="android.intent.action.VIEW" android:data="market://search?q=pub:PSP Demo Center" /> </PreferenceScreen> <ListPreference android:persistent="true" android:enabled="true" android:entries="@array/settings_light_number_options" android:title="@string/settings_light_number" android:key="light_power" android:summary="@string/settings_light_number_summary" android:defaultValue="3" android:entryValues="@array/settings_light_number_optionvalues" /> <ListPreference android:persistent="true" android:enabled="false" android:entries="@array/settings_speed_number_options" android:title="@string/settings_speed_number" android:key="speed" android:summary="@string/settings_speed_number_summary" android:defaultValue="10" android:entryValues="@array/settings_speed_number_optionvalues" /> <ListPreference android:persistent="true" android:enabled="false" android:entries="@array/settings_rotate_number_options" android:title="@string/settings_rotate_number" android:key="rotate" android:summary="@string/settings_rotate_number_summary" android:defaultValue="8000" android:entryValues="@array/settings_rotate_number_optionvalues" /> </PreferenceCategory> </PreferenceScreen> Settings.java public class GraffitiLWPSettings extends PreferenceActivity implements SharedPreferences .OnSharedPreferenceChangeListener { public static final String SHARED_PREFS_NAME = "wallpaper_settings"; protected void onCreate(Bundle icicle) { super.onCreate(icicle); getPreferenceManager(). setSharedPreferencesName(GraffitiLWP.SHARED_PREFS_NAME); addPreferencesFromResource(R.xml.settings); getPreferenceManager().getSharedPreferences(). registerOnSharedPreferenceChangeListener(this); } protected void onResume() { super.onResume(); } protected void onDestroy() { getPreferenceManager().getSharedPreferences() .unregisterOnSharedPreferenceChangeListener(this); super.onDestroy(); } public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { } } wallpaper.java public class GraffitiLWP extends Wallpaper { private GraffitiLWPRenderer mRenderer; public static final String SHARED_PREFS_NAME = "wallpaper_settings"; public Engine onCreateEngine() { mRenderer = new GraffitiLWPRenderer(this); return new WallpaperEngine( this.getSharedPreferences(SHARED_PREFS_NAME, Context.MODE_PRIVATE), getBaseContext(), mRenderer); } } renderer.java public class GraffitiLWPRenderer extends RajawaliRenderer { private Animation3D mAnim; private BaseObject3D mCan; private SettingsUpdater settingsUpdater; //private SharedPreferences preferences; public GraffitiLWPRenderer(Context context) { super(context); setFrameRate(20); } public class SettingsUpdater implements SharedPreferences .OnSharedPreferenceChangeListener { private GraffitiLWPRenderer renderer; public SettingsUpdater(GraffitiLWPRenderer renderer) { this.renderer = renderer; } public void onSharedPreferenceChanged( SharedPreferences sharedPreferences, String key) { preferences.getInt("wallpaper_settings", 0); renderer.setSharedPreferences(preferences); } } public void initScene() { System.gc(); ALight light = new DirectionalLight(); light.setPower(this.preferences.getLong("light_power", 3)); light.setPosition(0, 0, -10); mCamera.setPosition(0, -1, -7); mCamera.setLookAt(0, 2, 0); mCamera.setFarPlane(1000); ObjParser parser = new ObjParser(mContext .getResources(), mTextureManager, R.raw.spraycan_obj); parser.parse(); mCan = parser.getParsedObject(); mCan.addLight(light); mCan.setScale(1.2f); addChild(mCan); Number3D axis = new Number3D(0, this.preferences.getLong("speed", 10), 0); axis.normalize(); mAnim = new RotateAnimation3D(axis, 360); mAnim.setDuration(this.preferences.getLong("rotate", 8000)); mAnim.setRepeatCount(Animation3D.INFINITE); mAnim.setInterpolator(new AccelerateDecelerateInterpolator()); mAnim.setTransformable3D(mCan); setSkybox(R.drawable.posz, R.drawable.posx, R.drawable.negz, R.drawable.negx, R.drawable.posy, R.drawable.negy); } public void onSurfaceCreated(GL10 gl, EGLConfig config) { settingsUpdater = new SettingsUpdater(this); this.preferences.registerOnSharedPreferenceChangeListener( settingsUpdater); settingsUpdater.onSharedPreferenceChanged(preferences, null); super.onSurfaceCreated(gl, config); mAnim.start(); } public void onDrawFrame(GL10 glUnused) { super.onDrawFrame(glUnused); mSkybox.setRotY(mSkybox.getRotY() + .5f); } } I know the code is long but I would greatly appreciate any help that someone could give me. Thank you.

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• Mapping child objects in fluent nhibernate to a read-only view

  - by grenade

  Given that I am implementing a read-only UI, how do I create a ClassMap for Shop: public class Shop { public int Id { get; set; } public City City { get; set; } } public class City { public string Name { get; set; } public string CountryCode { get; set; } } The DB interface for Shops is a View containing 3 columns (ShopId, CityName, CountryCode). I was hoping to do something like this: public sealed class ShopMap : ClassMap<Shop> { public ShopMap() { Table("Shop"); Id(x => x.Id, "ShopId"); Map(x => x.City.Name, "CityName"); Map(x => x.City.CountryCode, "CountryCode"); } } Will fluent auto-instantiate Shop.City?

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• NullPointerException with static variables

  - by tomekK

  I just hit very strange (to me) behaviour of java. I have following classes: public abstract class Unit { public static final Unit KM = KMUnit.INSTANCE; public static final Unit METERS = MeterUnit.INSTANCE; protected Unit() { } public abstract double getValueInUnit(double value, Unit unit); protected abstract double getValueInMeters(double value); } And: public class KMUnit extends Unit { public static final Unit INSTANCE = new KMUnit(); private KMUnit() { } //here are abstract methods overriden } public class MeterUnit extends Unit { public static final Unit INSTANCE = new MeterUnit(); private MeterUnit() { } ///abstract methods overriden } And my test case: public class TestMetricUnits extends TestCase { @Test public void testConversion() { System.out.println("Unit.METERS: " + Unit.METERS); System.out.println("Unit.KM: " + Unit.KM); double meters = Unit.KM.getValueInUnit(102.11, Unit.METERS); assertEquals(0.10211, meters, 0.00001); } } 1) MKUnit and MeterUnit are both singletons initialized statically, so during class loading. Constructors are private, so they can't be initialized anywhere else. 2) Unit class contains static final references to MKUnit.INSTANCE and MeterUnit.INSTANCE I would expect that: KMUnit class is loaded and instance is created. MeterUnit class is loaded and instance is created. Unit class is loaded and both KM and METERS variable are initialized, they are final so they cant be changed. But when I run my test case in console with maven my result is: T E S T S Running de.audi.echargingstations.tests.TestMetricUnits Unit.METERS: m Unit.KM: null Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.089 sec <<< FAILURE! - in de.audi.echargingstations.tests.TestMetricUnits testConversion(de.audi.echargingstations.tests.TestMetricUnits) Time elapsed: 0.011 sec <<< ERROR! java.lang.NullPointerException: null at de.audi.echargingstations.tests.TestMetricUnits.testConversion(TestMetricUnits.java:29) Results : Tests in error: TestMetricUnits.testConversion:29 NullPointer And the funny part is that, when I run this test from eclipse via JUnit runner everything is fine, I have no NullPointerException and in console I have: Unit.METERS: m Unit.KM: km So the question is: what can be the reason that KM variable in Unit is null (and in the same time METERS is not null)

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• Using C code in c#

  - by karthik

  When i googled to find the way to change the window style i could find the code in "C" language How can i use the snippet below in my c# application, so that i can hide the Title Bar of external application ? I have not used "C" before.. //Finds a window by class name [DllImport("USER32.DLL")] public static extern IntPtr FindWindow(string lpClassName, string lpWindowName); //Sets a window to be a child window of another window [DllImport("USER32.DLL")] public static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent); //Sets window attributes [DllImport("USER32.DLL")] public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong); //Gets window attributes [DllImport("USER32.DLL")] public static extern int GetWindowLong(IntPtr hWnd, int nIndex); //assorted constants needed public static int GWL_STYLE = -16; public static int WS_CHILD = 0x40000000; //child window public static int WS_BORDER = 0x00800000; //window with border public static int WS_DLGFRAME = 0x00400000; //window with double border but no title public static int WS_CAPTION= WS_BORDER | WS_DLGFRAME; //window with a title bar /* This function sets the parent of the window with class ClassClass to the form/control the method is in. */ public void Reparent() { //get handle of parent form (.net property) IntPtr par = this.Handle; //get handle of child form (win32) IntPtr child = FindWindow("ClassClass", null); //set parent of child form SetParent(child, par); //get current window style of child form int style = GetWindowLong(child, GWL_STYLE); //take current window style and remove WS_CAPTION from it SetWindowLong(child, GWL_STYLE, (style & ~WS_CAPTION)); }

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• JAVA Inheritance Generics and Casting.

  - by James Moore

  Hello, I have two classes which both extends Example. public class ClassA extends Example { public ClassA() { super("a", "class"); } .... } public class ClassB extends Example { public ClassB() { super("b", "class"); } .... } public class Example () { public String get(String x, String y) { return "Hello"; } } So thats all very well. So suppose we have another class called ExampleManager. With example manager I want to use a generic type and consequently return that generic type. e.g. public class ExampleManager<T extends Example> { public T getExample() { return new T("example","example"); // So what exactly goes here? } } So where I am returning my generic type how do i get this to actually work correctly and cast Example as either classA or classB? Many Thanks

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• C# Select clause returns system exception instead of relevant object

  - by Kashif

  I am trying to use the select clause to pick out an object which matches a specified name field from a database query as follows: objectQuery = from obj in objectList where obj.Equals(objectName) select obj; In the results view of my query, I get: base {System.SystemException} = {"Boolean Equals(System.Object)"} Where I should be expecting something like a Car, Make, or Model Would someone please explain what I am doing wrong here? The method in question can be seen here: // this function searches the database's table for a single object that matches the 'Name' property with 'objectName' public static T Read<T>(string objectName) where T : IEquatable<T> { using (ISession session = NHibernateHelper.OpenSession()) { IQueryable<T> objectList = session.Query<T>(); // pull (query) all the objects from the table in the database int count = objectList.Count(); // return the number of objects in the table // alternative: int count = makeList.Count<T>(); IQueryable<T> objectQuery = null; // create a reference for our queryable list of objects T foundObject = default(T); // create an object reference for our found object if (count > 0) { // give me all objects that have a name that matches 'objectName' and store them in 'objectQuery' objectQuery = from obj in objectList where obj.Equals(objectName) select obj; // make sure that 'objectQuery' has only one object in it try { foundObject = (T)objectQuery.Single(); } catch { return default(T); } // output some information to the console (output screen) Console.WriteLine("Read Make: " + foundObject.ToString()); } // pass the reference of the found object on to whoever asked for it return foundObject; } } Note that I am using the interface "IQuatable<T>" in my method descriptor. An example of the classes I am trying to pull from the database is: public class Make: IEquatable<Make> { public virtual int Id { get; set; } public virtual string Name { get; set; } public virtual IList<Model> Models { get; set; } public Make() { // this public no-argument constructor is required for NHibernate } public Make(string makeName) { this.Name = makeName; } public override string ToString() { return Name; } // Implementation of IEquatable<T> interface public virtual bool Equals(Make make) { if (this.Id == make.Id) { return true; } else { return false; } } // Implementation of IEquatable<T> interface public virtual bool Equals(String name) { if (this.Name.Equals(name)) { return true; } else { return false; } } } And the interface is described simply as: public interface IEquatable<T> { bool Equals(T obj); }

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• How do I change the base class at runtime in C#?

  - by MatthewMartin

  I may be working on mission impossible here, but I seem to be getting close. I want to extend a ASP.NET control, and I want my code to be unit testable. Also, I'd like to be able to fake behaviors of a real Label (namely things like ID generation, etc), which a real Label can't do in an nUnit host. Here a working example that makes assertions on something that depends on a real base class and something that doesn't-- in a more realistic unit test, the test would depend on both --i.e. an ID existing and some custom behavior. Anyhow the code says it better than I can: public class LabelWrapper : Label //Runtime //public class LabelWrapper : FakeLabel //Unit Test time { private readonly LabelLogic logic= new LabelLogic(); public override string Text { get { return logic.ProcessGetText(base.Text); } set { base.Text=logic.ProcessSetText(value); } } } //Ugh, now I have to test FakeLabelWrapper public class FakeLabelWrapper : FakeLabel //Unit Test time { private readonly LabelLogic logic= new LabelLogic(); public override string Text { get { return logic.ProcessGetText(base.Text); } set { base.Text=logic.ProcessSetText(value); } } } [TestFixture] public class UnitTest { [Test] public void Test() { //Wish this was LabelWrapper label = new LabelWrapper(new FakeBase()) LabelWrapper label = new LabelWrapper(); //FakeLabelWrapper label = new FakeLabelWrapper(); label.Text = "ToUpper"; Assert.AreEqual("TOUPPER",label.Text); StringWriter stringWriter = new StringWriter(); HtmlTextWriter writer = new HtmlTextWriter(stringWriter); label.RenderControl(writer); Assert.AreEqual(1,label.ID); Assert.AreEqual("<span>TOUPPER</span>", stringWriter.ToString()); } } public class FakeLabel { virtual public string Text { get; set; } public void RenderControl(TextWriter writer) { writer.Write("<span>" + Text + "</span>"); } } //System Under Test internal class LabelLogic { internal string ProcessGetText(string value) { return value.ToUpper(); } internal string ProcessSetText(string value) { return value.ToUpper(); } }

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• Using IOperationBehavior to supply a WCF parameter

  - by Chris Kemp

  This is my first step into the world of stackoverflow, so apologies if I cock anything up. I'm trying to create a WCF Operation which has a parameter that is not exposed to the outside world, but is instead automatically passed into the function. So the world sees this: int Add(int a, int b) But it is implemented as: int Add(object context, int a, int b) Then, the context gets supplied by the system at run-time. The example I'm working with is completely artificial, but mimics something that I'm looking into in a real-world scenario. I'm able to get close, but not quite the whole way there. First off, I created a simple method and wrote an application to confirm it works. It does. It returns a + b and writes the context as a string to my debug. Yay. [OperationContract] int Add(object context, int a, int b); I then wrote the following code: public class SupplyContextAttribute : Attribute, IOperationBehavior { public void Validate(OperationDescription operationDescription) { if (!operationDescription.Messages.Any(m => m.Body.Parts.First().Name == "context")) throw new FaultException("Parameter 'context' is missing."); } public void ApplyDispatchBehavior(OperationDescription operationDescription, DispatchOperation dispatchOperation) { dispatchOperation.Invoker = new SupplyContextInvoker(dispatchOperation.Invoker); } public void ApplyClientBehavior(OperationDescription operationDescription, ClientOperation clientOperation) { } public void AddBindingParameters(OperationDescription operationDescription, BindingParameterCollection bindingParameters) { // Remove the 'context' parameter from the inbound message operationDescription.Messages[0].Body.Parts.RemoveAt(0); } } public class SupplyContextInvoker : IOperationInvoker { readonly IOperationInvoker _invoker; public SupplyContextInvoker(IOperationInvoker invoker) { _invoker = invoker; } public object[] AllocateInputs() { return _invoker.AllocateInputs().Skip(1).ToArray(); } private object[] IntroduceContext(object[] inputs) { return new[] { "MyContext" }.Concat(inputs).ToArray(); } public object Invoke(object instance, object[] inputs, out object[] outputs) { return _invoker.Invoke(instance, IntroduceContext(inputs), out outputs); } public IAsyncResult InvokeBegin(object instance, object[] inputs, AsyncCallback callback, object state) { return _invoker.InvokeBegin(instance, IntroduceContext(inputs), callback, state); } public object InvokeEnd(object instance, out object[] outputs, IAsyncResult result) { return _invoker.InvokeEnd(instance, out outputs, result); } public bool IsSynchronous { get { return _invoker.IsSynchronous; } } } And my WCF operation now looks like this: [OperationContract, SupplyContext] int Amend(object context, int a, int b); My updated references no longer show the 'context' parameter, which is exactly what I want. The trouble is that whenver I run the code, it gets past the AllocateInputs and then throws an Index was outside the bounds of the Array. error somewhere in the WCF guts. I've tried other things, and I find that I can successfully change the type of the parameter and rename it and have my code work. But the moment I remove the parameter it falls over. Can anyone give me some idea of how to get this to work (or if it can be done at all).

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• S#harp architecture mapping many to many and ado.net data services: A single resource was expected f

  - by Leg10n

  Hi, I'm developing an application that reads data from a SQL server database (migrated from a legacy DB) with nHibernate and s#arp architecture through ADO.NET Data services. I'm trying to map a many-to-many relationship. I have a Error class: public class Error { public virtual int ERROR_ID { get; set; } public virtual string ERROR_CODE { get; set; } public virtual string DESCRIPTION { get; set; } public virtual IList<ErrorGroup> GROUPS { get; protected set; } } And then I have the error group class: public class ErrorGroup { public virtual int ERROR_GROUP_ID {get; set;} public virtual string ERROR_GROUP_NAME { get; set; } public virtual string DESCRIPTION { get; set; } public virtual IList<Error> ERRORS { get; protected set; } } And the overrides: public class ErrorGroupOverride : IAutoMappingOverride<ErrorGroup> { public void Override(AutoMapping<ErrorGroup> mapping) { mapping.Table("ERROR_GROUP"); mapping.Id(x => x.ERROR_GROUP_ID, "ERROR_GROUP_ID"); mapping.IgnoreProperty(x => x.Id); mapping.HasManyToMany<Error>(x => x.Error) .Table("ERROR_GROUP_LINK") .ParentKeyColumn("ERROR_GROUP_ID") .ChildKeyColumn("ERROR_ID").Inverse().AsBag(); } } public class ErrorOverride : IAutoMappingOverride<Error> { public void Override(AutoMapping<Error> mapping) { mapping.Table("ERROR"); mapping.Id(x => x.ERROR_ID, "ERROR_ID"); mapping.IgnoreProperty(x => x.Id); mapping.HasManyToMany<ErrorGroup>(x => x.GROUPS) .Table("ERROR_GROUP_LINK") .ParentKeyColumn("ERROR_ID") .ChildKeyColumn("ERROR_GROUP_ID").AsBag(); } } When I view the Data service in the browser like: http://localhost:1905/DataService.svc/Errors it shows the list of errors with no problems, and using it like http://localhost:1905/DataService.svc/Errors(123) works too. The Problem When I want to see the Errors in a group or the groups form an error, like: "http://localhost:1905/DataService.svc/Errors(123)?$expand=GROUPS" I get the XML Document, but the browser says: The XML page cannot be displayed Cannot view XML input using XSL style sheet. Please correct the error and then click the Refresh button, or try again later. -------------------------------------------------------------------------------- Only one top level element is allowed in an XML document. Error processing resource 'http://localhost:1905/DataServic... <error xmlns="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata"> -^ I view the sourcecode, and I get the data. However it comes with an exception: <error xmlns="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata"> <code></code> <message xml:lang="en-US">An error occurred while processing this request.</message> <innererror xmlns="xmlns"> <message>A single resource was expected for the result, but multiple resources were found.</message> <type>System.InvalidOperationException</type> <stacktrace> at System.Data.Services.Serializers.Serializer.WriteRequest(IEnumerator queryResults, Boolean hasMoved)&#xD; at System.Data.Services.ResponseBodyWriter.Write(Stream stream)</stacktrace> </innererror> </error> A I missing something??? Where does this error come from?

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• PHP use of undefined constant error

  - by user272899

  Using a great script to grab details from imdb, I would like to thank Fabian Beiner. Just one error i have encountered with it is: Use of undefined constant sys_get_temp_dir assumed 'sys_get_temp_dir' in '/path/to/directory' on line 49 This is the complete script <?php /** * IMDB PHP Parser * * This class can be used to retrieve data from IMDB.com with PHP. This script will fail once in * a while, when IMDB changes *anything* on their HTML. Guys, it's time to provide an API! * * @link http://fabian-beiner.de * @copyright 2010 Fabian Beiner * @author Fabian Beiner (mail [AT] fabian-beiner [DOT] de) * @license MIT License * * @version 4.1 (February 1st, 2010) * */ class IMDB { private $_sHeader = null; private $_sSource = null; private $_sUrl = null; private $_sId = null; public $_bFound = false; private $_oCookie = '/tmp/imdb-grabber-fb.tmp'; const IMDB_CAST = '#<a href="/name/(\w+)/" onclick="\(new Image\(\)\)\.src=\'/rg/castlist/position-(\d|\d\d)/images/b\.gif\?link=/name/(\w+)/\';">(.*)</a>#Ui'; const IMDB_COUNTRY = '#<a href="/Sections/Countries/(\w+)/">#Ui'; const IMDB_DIRECTOR = '#<a href="/name/(\w+)/" onclick="\(new Image\(\)\)\.src=\'/rg/directorlist/position-(\d|\d\d)/images/b.gif\?link=name/(\w+)/\';">(.*)</a><br/>#Ui'; const IMDB_GENRE = '#<a href="/Sections/Genres/(\w+|\w+\-\w+)/">(\w+|\w+\-\w+)</a>#Ui'; const IMDB_MPAA = '#<h5><a href="/mpaa">MPAA</a>:</h5>\s*<div class="info-content">\s*(.*)\s*</div>#Ui'; const IMDB_PLOT = '#<h5>Plot:</h5>\s*<div class="info-content">\s*(.*)\s*<a#Ui'; const IMDB_POSTER = '#<a name="poster" href="(.*)" title="(.*)"><img border="0" alt="(.*)" title="(.*)" src="(.*)" /></a>#Ui'; const IMDB_RATING = '#<b>(\d\.\d/10)</b>#Ui'; const IMDB_RELEASE_DATE = '#<h5>Release Date:</h5>\s*\s*<div class="info-content">\s*(.*) \((.*)\)#Ui'; const IMDB_RUNTIME = '#<h5>Runtime:</h5>\s*<div class="info-content">\s*(.*)\s*</div>#Ui'; const IMDB_SEARCH = '#<b>Media from&nbsp;<a href="/title/tt(\d+)/"#i'; const IMDB_TAGLINE = '#<h5>Tagline:</h5>\s*<div class="info-content">\s*(.*)\s*</div>#Ui'; const IMDB_TITLE = '#<title>(.*) \((.*)\)</title>#Ui'; const IMDB_URL = '#http://(.*\.|.*)imdb.com/(t|T)itle(\?|/)(..\d+)#i'; const IMDB_VOTES = '#&nbsp;&nbsp;<a href="ratings" class="tn15more">(.*) votes</a>#Ui'; const IMDB_WRITER = '#<a href="/name/(\w+)/" onclick="\(new Image\(\)\)\.src=\'/rg/writerlist/position-(\d|\d\d)/images/b\.gif\?link=name/(\w+)/\';">(.*)</a>#Ui'; const IMDB_REDIRECT = '#Location: (.*)#'; /** * Public constructor. * * @param string $sSearch */ public function __construct($sSearch) { if (function_exists(sys_get_temp_dir)) { $this->_oCookie = tempnam(sys_get_temp_dir(), 'imdb'); } $sUrl = $this->findUrl($sSearch); if ($sUrl) { $bFetch = $this->fetchUrl($this->_sUrl); $this->_bFound = true; } } /** * Little REGEX helper. * * @param string $sRegex * @param string $sContent * @param int $iIndex; */ private function getMatch($sRegex, $sContent, $iIndex = 1) { preg_match($sRegex, $sContent, $aMatches); if ($iIndex > count($aMatches)) return; if ($iIndex == null) { return $aMatches; } return $aMatches[(int)$iIndex]; } /** * Little REGEX helper, I should find one that works for both... ;/ * * @param string $sRegex * @param int $iIndex; */ private function getMatches($sRegex, $iIndex = null) { preg_match_all($sRegex, $this->_sSource, $aMatches); if ((int)$iIndex) return $aMatches[$iIndex]; return $aMatches; } /** * Save an image. * * @param string $sUrl */ private function saveImage($sUrl) { $sUrl = trim($sUrl); $bolDir = false; if (!is_dir(getcwd() . '/posters')) { if (mkdir(getcwd() . '/posters', 0777)) { $bolDir = true; } } $sFilename = getcwd() . '/posters/' . preg_replace("#[^0-9]#", "", basename($sUrl)) . '.jpg'; if (file_exists($sFilename)) { return 'posters/' . basename($sFilename); } if (is_dir(getcwd() . '/posters') OR $bolDir) { if (function_exists('curl_init')) { $oCurl = curl_init($sUrl); curl_setopt_array($oCurl, array ( CURLOPT_VERBOSE => 0, CURLOPT_HEADER => 0, CURLOPT_RETURNTRANSFER => 1, CURLOPT_TIMEOUT => 5, CURLOPT_CONNECTTIMEOUT => 5, CURLOPT_REFERER => $sUrl, CURLOPT_BINARYTRANSFER => 1)); $sOutput = curl_exec($oCurl); curl_close($oCurl); $oFile = fopen($sFilename, 'x'); fwrite($oFile, $sOutput); fclose($oFile); return 'posters/' . basename($sFilename); } else { $oImg = imagecreatefromjpeg($sUrl); imagejpeg($oImg, $sFilename); return 'posters/' . basename($sFilename); } return false; } return false; } /** * Find a valid Url out of the passed argument. * * @param string $sSearch */ private function findUrl($sSearch) { $sSearch = trim($sSearch); if ($aUrl = $this->getMatch(self::IMDB_URL, $sSearch, 4)) { $this->_sId = 'tt' . preg_replace('[^0-9]', '', $aUrl); $this->_sUrl = 'http://www.imdb.com/title/' . $this->_sId .'/'; return true; } else { $sTemp = 'http://www.imdb.com/find?s=all&q=' . str_replace(' ', '+', $sSearch) . '&x=0&y=0'; $bFetch = $this->fetchUrl($sTemp); if( $this->isRedirect() ) { return true; } else if ($bFetch) { if ($strMatch = $this->getMatch(self::IMDB_SEARCH, $this->_sSource)) { $this->_sUrl = 'http://www.imdb.com/title/tt' . $strMatch . '/'; unset($this->_sSource); return true; } } } return false; } /** * Find if result is redirected directly to exact movie. */ private function isRedirect() { if ($strMatch = $this->getMatch(self::IMDB_REDIRECT, $this->_sHeader)) { $this->_sUrl = $strMatch; unset($this->_sSource); unset($this->_sHeader); return true; } return false; } /** * Fetch data from given Url. * Uses cURL if installed, otherwise falls back to file_get_contents. * * @param string $sUrl * @param int $iTimeout; */ private function fetchUrl($sUrl, $iTimeout = 15) { $sUrl = trim($sUrl); if (function_exists('curl_init')) { $oCurl = curl_init($sUrl); curl_setopt_array($oCurl, array ( CURLOPT_VERBOSE => 0, CURLOPT_HEADER => 1, CURLOPT_FRESH_CONNECT => true, CURLOPT_RETURNTRANSFER => 1, CURLOPT_TIMEOUT => (int)$iTimeout, CURLOPT_CONNECTTIMEOUT => (int)$iTimeout, CURLOPT_REFERER => $sUrl, CURLOPT_FOLLOWLOCATION => 0, CURLOPT_COOKIEFILE => $this->_oCookie, CURLOPT_COOKIEJAR => $this->_oCookie, CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6' )); $sOutput = curl_exec($oCurl); if ($sOutput === false) { return false; } $aInfo = curl_getinfo($oCurl); if ($aInfo['http_code'] != 200 && $aInfo['http_code'] != 302) { return false; } $sTmpHeader = strpos($sOutput, "\r\n\r\n"); $this->_sHeader = substr($sOutput, 0, $sTmpHeader); $this->_sSource = str_replace("\n", '', substr($sOutput, $sTmpHeader+1)); curl_close($oCurl); return true; } else { $sOutput = @file_get_contents($sUrl, 0); if (strpos($http_response_header[0], '200') === false){ return false; } $this->_sSource = str_replace("\n", '', (string)$sOutput); return true; } return false; } /** * Returns the cast. */ public function getCast($iOutput = null, $bMore = true) { if ($this->_sSource) { $sReturned = $this->getMatches(self::IMDB_CAST, 4); if (is_array($sReturned)) { if ($iOutput) { foreach ($sReturned as $i => $sName) { if ($i >= $iOutput) break; $sReturn[] = $sName; } return implode(' / ', $sReturn) . (($bMore) ? '&hellip;' : ''); } return implode(' / ', $sReturned); } return $sReturned; } return 'n/A'; } /** * Returns the cast as links. */ public function getCastAsUrl($iOutput = null, $bMore = true) { if ($this->_sSource) { $sReturned1 = $this->getMatches(self::IMDB_CAST, 4); $sReturned2 = $this->getMatches(self::IMDB_CAST, 3); if (is_array($sReturned1)) { if ($iOutput) { foreach ($sReturned1 as $i => $sName) { if ($i >= $iOutput) break; $aReturn[] = '<a href="http://www.imdb.com/name/' . $sReturned2[$i] . '/">' . $sName . '</a>';; } return implode(' / ', $aReturn) . (($bMore) ? '&hellip;' : ''); } return implode(' / ', $sReturned); } return '<a href="http://www.imdb.com/name/' . $sReturned2 . '/">' . $sReturned1 . '</a>';; } return 'n/A'; } /** * Returns the countr(y|ies). */ public function getCountry() { if ($this->_sSource) { $sReturned = $this->getMatches(self::IMDB_COUNTRY, 1); if (is_array($sReturned)) { return implode(' / ', $sReturned); } return $sReturned; } return 'n/A'; } /** * Returns the countr(y|ies) as link(s). */ public function getCountryAsUrl() { if ($this->_sSource) { $sReturned = $this->getMatches(self::IMDB_COUNTRY, 1); if (is_array($sReturned)) { foreach ($sReturned as $sCountry) { $aReturn[] = '<a href="http://www.imdb.com/Sections/Countries/' . $sCountry . '/">' . $sCountry . '</a>'; } return implode(' / ', $aReturn); } return '<a href="http://www.imdb.com/Sections/Countries/' . $sReturned . '/">' . $sReturned . '</a>'; } return 'n/A'; } /** * Returns the director(s). */ public function getDirector() { if ($this->_sSource) { $sReturned = $this->getMatches(self::IMDB_DIRECTOR, 4); if (is_array($sReturned)) { return implode(' / ', $sReturned); } return $sReturned; } return 'n/A'; } /** * Returns the director(s) as link(s). */ public function getDirectorAsUrl() { if ($this->_sSource) { $sReturned1 = $this->getMatches(self::IMDB_DIRECTOR, 4); $sReturned2 = $this->getMatches(self::IMDB_DIRECTOR, 1); if (is_array($sReturned1)) { foreach ($sReturned1 as $i => $sDirector) { $aReturn[] = '<a href="http://www.imdb.com/name/' . $sReturned2[$i] . '/">' . $sDirector . '</a>'; } return implode(' / ', $aReturn); } return '<a href="http://www.imdb.com/name/' . $sReturned2 . '/">' . $sReturned1 . '</a>'; } return 'n/A'; } /** * Returns the genre(s). */ public function getGenre() { if ($this->_sSource) { $sReturned = $this->getMatches(self::IMDB_GENRE, 1); if (is_array($sReturned)) { return implode(' / ', $sReturned); } return $sReturned; } return 'n/A'; } /** * Returns the genre(s) as link(s). */ public function getGenreAsUrl() { if ($this->_sSource) { $sReturned = $this->getMatches(self::IMDB_GENRE, 1); if (is_array($sReturned)) { foreach ($sReturned as $i => $sGenre) { $aReturn[] = '<a href="http://www.imdb.com/Sections/Genres/' . $sGenre . '/">' . $sGenre . '</a>'; } return implode(' / ', $aReturn); } return '<a href="http://www.imdb.com/Sections/Genres/' . $sReturned . '/">' . $sReturned . '</a>'; } return 'n/A'; } /** * Returns the mpaa. */ public function getMpaa() { if ($this->_sSource) { return implode('' , $this->getMatches(self::IMDB_MPAA, 1)); } return 'n/A'; } /** * Returns the plot. */ public function getPlot() { if ($this->_sSource) { return implode('' , $this->getMatches(self::IMDB_PLOT, 1)); } return 'n/A'; } /** * Download the poster, cache it and return the local path to the image. */ public function getPoster() { if ($this->_sSource) { if ($sPoster = $this->saveImage(implode("", $this->getMatches(self::IMDB_POSTER, 5)), 'poster.jpg')) { return $sPoster; } return implode('', $this->getMatches(self::IMDB_POSTER, 5)); } return 'n/A'; } /** * Returns the rating. */ public function getRating() { if ($this->_sSource) { return implode('', $this->getMatches(self::IMDB_RATING, 1)); } return 'n/A'; } /** * Returns the release date. */ public function getReleaseDate() { if ($this->_sSource) { return implode('', $this->getMatches(self::IMDB_RELEASE_DATE, 1)); } return 'n/A'; } /** * Returns the runtime of the current movie. */ public function getRuntime() { if ($this->_sSource) { return implode('', $this->getMatches(self::IMDB_RUNTIME, 1)); } return 'n/A'; } /** * Returns the tagline. */ public function getTagline() { if ($this->_sSource) { return implode('', $this->getMatches(self::IMDB_TAGLINE, 1)); } return 'n/A'; } /** * Get the release date of the current movie. */ public function getTitle() { if ($this->_sSource) { return implode('', $this->getMatches(self::IMDB_TITLE, 1)); } return 'n/A'; } /** * Returns the url. */ public function getUrl() { return $this->_sUrl; } /** * Get the votes of the current movie. */ public function getVotes() { if ($this->_sSource) { return implode('', $this->getMatches(self::IMDB_VOTES, 1)); } return 'n/A'; } /** * Get the year of the current movie. */ public function getYear() { if ($this->_sSource) { return implode('', $this->getMatches(self::IMDB_TITLE, 2)); } return 'n/A'; } /** * Returns the writer(s). */ public function getWriter() { if ($this->_sSource) { $sReturned = $this->getMatches(self::IMDB_WRITER, 4); if (is_array($sReturned)) { return implode(' / ', $sReturned); } return $sReturned; } return 'n/A'; } /** * Returns the writer(s) as link(s). */ public function getWriterAsUrl() { if ($this->_sSource) { $sReturned1 = $this->getMatches(self::IMDB_WRITER, 4); $sReturned2 = $this->getMatches(self::IMDB_WRITER, 1); if (is_array($sReturned1)) { foreach ($sReturned1 as $i => $sWriter) { $aReturn[] = '<a href="http://www.imdb.com/name/' . $sReturned2[$i] . '/">' . $sWriter . '</a>'; } return implode(' / ', $aReturn); } return '<a href="http://www.imdb.com/name/' . $sReturned2 . '/">' . $sReturned1 . '</a>'; } return 'n/A'; } } ?>

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• Castle, sharing a transient component between a decorator and a decorated component

  - by Marius

  Consider the following example: public interface ITask { void Execute(); } public class LoggingTaskRunner : ITask { private readonly ITask _taskToDecorate; private readonly MessageBuffer _messageBuffer; public LoggingTaskRunner(ITask taskToDecorate, MessageBuffer messageBuffer) { _taskToDecorate = taskToDecorate; _messageBuffer = messageBuffer; } public void Execute() { _taskToDecorate.Execute(); Log(_messageBuffer); } private void Log(MessageBuffer messageBuffer) {} } public class TaskRunner : ITask { public TaskRunner(MessageBuffer messageBuffer) { } public void Execute() { } } public class MessageBuffer { } public class Configuration { public void Configure() { IWindsorContainer container = null; container.Register( Component.For<MessageBuffer>() .LifeStyle.Transient); container.Register( Component.For<ITask>() .ImplementedBy<LoggingTaskRunner>() .ServiceOverrides(ServiceOverride.ForKey("taskToDecorate").Eq("task.to.decorate"))); container.Register( Component.For<ITask>() .ImplementedBy<TaskRunner>() .Named("task.to.decorate")); } } How can I make Windsor instantiate the "shared" transient component so that both "Decorator" and "Decorated" gets the same instance? Edit: since the design is being critiqued I am posting something closer to what is being done in the app. Maybe someone can suggest a better solution (if sharing the transient resource between a logger and the true task is considered a bad design)

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• java - powermock whenNew doesnt seem to work, calls the actual constructor

  - by user1331243

  I have two final classes that are used in my unit test. I am trying to use whenNew on the constructor of a final class, but I see that it calls the actual constructor. The code is @PrepareForTest({A.class, B.class, Provider.class}) @Test public void testGetStatus() throws Exception { B b = mock(B.class); when(b.getStatus()).thenReturn(1); whenNew(B.class).withArguments(anyString()).thenReturn(b); Provider p = new Provider(); int val = p.getStatus(); assertTrue((val == 1)); } public class Provider { public int getStatus() { B b = new B("test"); return b.getStatus(); } } public final class A { private void init() { // ...do soemthing } private static A a; private A() { } public static A getInstance() { if (a == null) { a = new A(); a.init(); } return a; } } public final class B { public B() { } public B(String s) { this(A.getInstance(), s); } public B(A a, String s) { } public int getStatus() { return 0; } } On debug, I find that its the actual class B instance created and not the mock instance that is returned for new usage and assertion fails. Any pointers on how to get this working. Thanks

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• How to Declare Complex Nested C# Type for Web Service

  - by TheArtTrooper

  I would like to create a service that accepts a complex nested type. In a sample asmx file I created: [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. // [System.Web.Script.Services.ScriptService] public class ServiceNest : System.Web.Services.WebService { public class Block { [XmlElement(IsNullable = false)] public int number; } public class Cell { [XmlElement(IsNullable = false)] public Block block; } public class Head { [XmlElement(IsNullable = false)] public Cell cell; } public class Nest { public Head head; } [WebMethod] public void TakeNest(Nest nest) { } } When I view the asmx file in IE the test page shows the example SOAP post request as: <?xml version="1.0" encoding="utf-8"?> <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> <soap:Body> <TakeNest xmlns="http://schemas.intellicorp.com/livecompare/"> <nest> <head> <cell> <block xsi:nil="true" /> </cell> </head> </nest> </TakeNest> </soap:Body> </soap:Envelope> It hasn't expanded the <block> into its number member. Looking at the WSDL, the types all look good. So is this just a limitation of the post demo page creator? Thanks.

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