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  • Handling asynchronous responses

    - by James P.
    I'm building an FTP client from scratch and I've noticed that the response codes aren't immediate (which is no surprise). What would be a good approach for getting the corresponding code to a command? Below is an example of the output of Filezilla server. The response code is the three digits near the end of each line. (000057) 23/05/2010 19:43:10 - (not logged in) (127.0.0.1)> Connected, sending welcome message... (000057) 23/05/2010 19:43:10 - (not logged in) (127.0.0.1)> 220-FileZilla Server version 0.9.12 beta (000057) 23/05/2010 19:43:10 - (not logged in) (127.0.0.1)> 220-written by Tim Kosse ([email protected]) (000057) 23/05/2010 19:43:10 - (not logged in) (127.0.0.1)> 220 Please visit http://sourceforge.net/projects/filezilla/ (000057) 23/05/2010 19:43:10 - (not logged in) (127.0.0.1)> user anonymous (000057) 23/05/2010 19:43:10 - (not logged in) (127.0.0.1)> 331 Password required for anonymous

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  • In Netbeans, how do I avoid wsimport rebuilding web service clients every build?

    - by gustafc
    I'm on a project where we use NetBeans (6.8). We use several different web services, which we have added as web service references, and Netbeans auto-generates the Ant wsimport scripts for us. Very handy, with one drawback: The web service clients are recompiled every time ant is invoked. This slows down the build process considerably and has caused the number of sword-related injuries, maimings and deaths to skyrocket. Normally, I'd fix this by changing the wsimport element from <wsimport sourcedestdir="${build.generated.dir}/jax-wsCache/PonyService" destdir="${build.generated.dir}/jax-wsCache/PonyService" wsdl="${wsdl-PonyService}" catalog="catalog.xml" verbose="true"/> to <wsimport sourcedestdir="${build.generated.dir}/jax-wsCache/PonyService" destdir="${build.generated.dir}/jax-wsCache/PonyService" wsdl="${wsdl-PonyService}" catalog="catalog.xml" verbose="true"> <produces dir="${build.generated.dir}/jax-wsCache/PonyService" /> </wsimport> But I can't, 'cause this part of the Ant script is auto-generated. If I right-click the PonyService web service reference and select Edit Web Service Attributes ⇒ wsimport options, I can add attributes to the wsimport element, but not child elements. So: How do I add the produces child element to wsimport other than hacking the auto-generated Ant script? Or more generally: How do I make the NetBeans-generated wsimport not recompile the web service clients every time I build?

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  • Hibernate: How do I link a subclass to its superclass?

    - by Markus
    Hey there! I'm having a little problem setting up my webshop project. Thing is, I have a User() superclass and two subclasses, PrivateUser and BusinessUser. Now, I'm not quite sure how to get my head around storing this relationship via hibernate. For the purpose of this question, the User() class contains only one field: String address; the PrivateUser contains: String firstName; and the BusinessUser contains: String CompanyName; Each field has its getter and setter. As is right now, I would only store and be able to get firstName and companyName. When I fetch a user from my DB using Hibernate I would get a PrivateUser/BusinessUser with a null address. Bottom line is, could someone point me towards a useful tutorial or better yet show a similar example code? Thanks!

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  • Epoch is not epoch if do a new Date(0L). Why ?

    - by Antoine Claval
    My problem is pretty straigtforward explained : if i do this : public class Main { public static void main(String[] args) throws Exception { Date d = new Date(0L ); System.out.println(d); } } I get the following output : Thu Jan 01 01:00:00 CET 1970 According to the doc, i was expecting : Thu Jan 01 00:00:00 CET 1970 I would like was going wrong... EDIT : Indeed, i read the doc too fast. I sould have Thu Jan 01 00:00:00 GMT 1970 So, how can i force the use of GMT, and ignore all local time ?

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  • The counter doesnt seem to increase when ever the edittext changes

    - by Mabulhuda
    Im using Edit-texts and i need when ever an edit-text is changed to increment a counter by one but the counter isnt working , I mean the app starts and everything but the counter doesnt seem to change please help here is the code public class Numersys extends Activity implements TextWatcher { EditText mark1 ,mark2, mark3,mark4,mark5,mark6 , hr1 ,hr2,hr3,hr4,hr5,hr6; EditText passed, currentavg; TextView tvnewavg ; Button calculate; double marks , curAVG , NewAVG ; String newCumAVG; int counter , hrs , curHr , NewHr; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.numersys); mark1=(EditText)findViewById(R.id.mark1n); mark2=(EditText)findViewById(R.id.mark2n); mark3=(EditText)findViewById(R.id.mark3n); mark4=(EditText)findViewById(R.id.mark4n); mark5=(EditText)findViewById(R.id.mark5n); mark6=(EditText)findViewById(R.id.mark6n); hr1=(EditText)findViewById(R.id.ethour1); hr2=(EditText)findViewById(R.id.ethour2); hr3=(EditText)findViewById(R.id.ethour3); hr4=(EditText)findViewById(R.id.ethour4); hr5=(EditText)findViewById(R.id.ethour5); hr6=(EditText)findViewById(R.id.ethour6); passed=(EditText)findViewById(R.id.etPassCn); currentavg=(EditText)findViewById(R.id.etCavgn); tvnewavg=(TextView)findViewById(R.id.tvcAVGn); mark1.addTextChangedListener(this); mark2.addTextChangedListener(this); mark3.addTextChangedListener(this); mark4.addTextChangedListener(this); mark5.addTextChangedListener(this); mark6.addTextChangedListener(this); calculate=(Button)findViewById(R.id.bAvgCalcn); @Override public void onClick(View arg0) { // TODO Auto-generated method stub switch(arg0.getId()) { case 0: break; case 1: hrs=Integer.valueOf(hr1.getText().toString()); marks=Double.valueOf(mark1.getText().toString())*Integer.valueOf(hr1.getText().toString()); curHr=Integer.valueOf(passed.getText().toString()); curAVG=Double.valueOf(currentavg.getText().toString())*curHr; NewHr= curHr+hrs; NewAVG= (marks+curAVG)/NewHr; break; case 2: hrs=Integer.valueOf(hr1.getText().toString())+Integer.valueOf(hr2.getText().toString()); marks=Double.valueOf(mark1.getText().toString())*Integer.valueOf(hr1.getText().toString()) +Double.valueOf(mark2.getText().toString())*Integer.valueOf(hr2.getText().toString()); curHr=Integer.valueOf(passed.getText().toString()); curAVG=Double.valueOf(currentavg.getText().toString())*curHr; NewHr= curHr+hrs; NewAVG= (marks+curAVG)/NewHr; break; case 3: hrs=Integer.valueOf(hr1.getText().toString())+Integer.valueOf(hr2.getText().toString()) +Integer.valueOf(hr3.getText().toString()); marks=Double.valueOf(mark1.getText().toString())*Integer.valueOf(hr1.getText().toString()) +Double.valueOf(mark2.getText().toString())*Integer.valueOf(hr2.getText().toString()) +Double.valueOf(mark3.getText().toString())*Integer.valueOf(hr3.getText().toString()); curHr=Integer.valueOf(passed.getText().toString()); curAVG=Double.valueOf(currentavg.getText().toString())*curHr; NewHr= curHr+hrs; NewAVG= (marks+curAVG)/NewHr; break; case R.id.bAvgCalcn: newCumAVG=String.valueOf(NewAVG); tvnewavg.setText(newCumAVG); } } }); } @Override public void afterTextChanged(Editable arg0) { // TODO Auto-generated method stub } @Override public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) { // TODO Auto-generated method stub } @Override public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) { // TODO Auto-generated method stub if(mark1.hasFocus()) { counter = counter+1; } if(mark2.hasFocus()) { counter = counter+1; } if(mark3.hasFocus()) { counter = counter+1; } if(mark4.hasFocus()) { counter = counter+1; } if(mark5.hasFocus()) { counter = counter+1; } if(mark6.hasFocus()) { counter = counter+1; } }

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  • copying the request header from request object to urlConnection object

    - by Bunny Rabbit
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub URL url = new URL("http://localhost:8080/testy/Out"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoOutput(true); connection.setRequestMethod("POST"); PrintWriter out=response.getWriter(); for(Enumeration e=request.getHeaderNames();e.hasMoreElements();){ Object o=e.nextElement(); String value=request.getHeader(o.toString()); out.println(o+"--is--"+value+"<br>"); connection.setRequestProperty((String) o, value); } connection.connect(); } i wrote the above code in a servlet to post form so some alternate locations than this servlet,but its not working.is it okay to use connection.setRequestProperty to set the header fields to what they are in the incoming request to servlet.

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  • JAXB - representing element as boolean?

    - by Marcus
    We have this XML: <Summary> <ValueA>xxx</ValueA> <ValueB/> </Summary> <ValueB/> will never have any attributes or inner elements. It's a boolean type element - it exists (true) or it doesn't (false). JAXB generated a Summary class with a String valueA member, which is good. But for ValueB, JAXB generated a ValueB inner class and a corresponding member: @XmlElement(name = "ValueB") protected Summary.ValueB valueB; But what I'd like is a boolean member and no inner class: @XmlElement(name = "ValueB") protected boolean valueB; How can you do this? I'm not looking to regenerate the classes, I'd like to just make the code change manually.

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  • Remove JButton padding in MigLayout

    - by Indrek
    I have a small "popup" like this: But I don't want the padding around the button, I want it to be as small as it can be with the supplied text. btn.setMargin(new Insets(1, 1, 1, 1)); panel.add(lbl, "wrap"); panel.add(btn); frame.pack(); frame.setVisible(true); At least this doesn't work... Can this be achieved on MigLayout or should I use some other layout manager for this frame.

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  • Setting log level of message at runtime in slf4j

    - by scompt.com
    When using log4j, the Logger.log(Priority p, Object message) method is available and can be used to log a message at a log level determined at runtime. We're using this fact and this tip to redirect stderr to a logger at a specific log level. slf4j doesn't have a generic log() method that I can find. Does that mean there's no way to implement the above?

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  • Unreachable statement when using return in finally?

    - by abson
    this compiles class ex1 { public int show() { try { int a=10/10; return 10; } catch(ArithmeticException e) { System.out.println(e); } finally { System.out.println("Finally"); } System.out.println("hello"); return 20; } } on the other hand this doesn't class ex15 { public int show() { try { int a=10/0; return 10; } catch(ArithmeticException e) { System.out.println(e); } finally { System.out.println("Finally"); return 40; } System.out.println("hello"); return 20; } } and gives unreachable statement System.out.println("hello"); error. why is it so?

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  • Is there a way to change the map data for the Android Google Map API?

    - by Mannaz
    I need to use a different datasource inside a map in Android than the google provided data. Is there a way to change the datasource to a tile based service (openstreetmap.org for example)? Or are there other Android map APIs which are OpenSource and can be adapted (except Ericcson Mobile Maps - this doesn't work for me because of the licence)? It doesent have to have a server side part - a rich function library would be enough.

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  • Freemarker template not found

    - by brock
    Hi, I'm currently trying to get Freemarker to work with my application using Spring. No matter what I try I keep getting template not found. I am not sure if I have the configuration set up properly, but it never finds my template. Here is my spring bean config: <bean id="freemarkerConfig" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer"> <property name="templateLoaderPath" value="/WEB-INF/freemarker/"/> </bean> Whenever I try to call getTemplate on the freemaker configuration it always sends back a template not found error. So if I do configuration.getTemplate("testTemplate.ftl") it always throws an IOException. I'm not sure if anyone has an idea of what I'm doing wrong. Thanks for all your help!

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  • What is the purpose of Managers / Transactions?

    - by maxdj
    I'm building a spring application for the first time. I'm running into lots of problems with concurrency, and I suspect that there is something wrong with the way I'm managing the backend. The only difference I can see between my backend code and examples I've seen are manager classes. In my code, I have my model (managed by hibernate) and my DAOs on top of that to do CRUD/searching/etc on the models. In example code I have looked at, they never use the DAO directly. Instead, they use manager classes that call the DAOs indirectly. To me, this just seems like pointless code duplication. What are these manager classes for? I've read that they wrap my code in "transactions," but why would I want that?

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  • Advice welcomed on creating my own Swing component

    - by Toto
    Recently I asked which was the best Swing component to bind to a BigDecimal variable (with some particular editing properties). It turns out that none of the standard Swing components suit me completely, nor did the third-party Swing component libraries I've found out there. So I’ve decided to create my own Swing component. Component description: I want to extend JTextField or JFormattedTextField, so my new component can be easily bound to a BigDecimal variable. The component will have customizable scale and length properties. Behavior: When the component is drawn, it shows only the decimal point and space for scale digits to its right. When the component receives focus the caret should be positioned left to the decimal point. As the user types numbers (any other character is ignored) they appear to the left of the caret, only length – scale numbers are accepted, any other number typed is ignored as the integer portion is full. Any time the user types the decimal point the caret moves to the right side of the decimal point. The following numbers typed are shown in the decimal part, only scale numbers are considered any other number typed is ignored as the decimal portion is full. Additionally, thousand separators should appear as the user types numbers left to the decimal point. Invoking a getValue() method on the component should yield the BigDecimal representing the number just entered. I’ve never created my own Swing component; I’ve barely used the standard ones. So I would appreciate any good tutorial/info/tip on creating the component described. This is the only thing I've got so far. Thanks in advance.

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  • jaxb XmlAccessType: PROPERTY example

    - by Bjorn J
    I'm trying to use jaxb and want to use the 'XmlAccessType.PROPERTY' to let jaxb use getters/setters rather than variable directly, but get different errors depending on what I try, or the variable isn't set at all like I want. Any good link or pointer to a simple example? For example, the below makes the groupDefintion not to be set when parsing the xml document: @XmlAccessorType(javax.xml.bind.annotation.XmlAccessType.PROPERTY) public class E { private EGroup groupDefinition; public EGroup getGroupDefinition () { return groupDefinition; } @XmlAttribute public void setGroupDefinition (EGroup g) { groupDefinition = g; } }

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  • Reflection: cast an object to subclass without use instaceof

    - by Fabrizio
    I have this simple interface/class: public abstract class Message { } public class Message1 extends Message{ } public class Message2 extends Message{ } And an utility class: public class Utility { public void handler(Message m){ System.out.println("Interface: Message"); } public void handler(Message1 m){ System.out.println("Class: Message1"); } public void handler(Message2 m){ System.out.println("Class: Message2"); } } Now, the main class: public static void main(String[] args) { Utility p=new Utility(); Message1 m1=new Message1(); p.handler(m1); Message m=(Message) m1; p.handler(m); } The output is Class: Message1 Interface: Message I would that p.handler(m) call the method p.handler(m:Message1) I don't want use the "manual" command instanceof because I have many cases: if(m instance of Message1) p.handler((Message1)m) else if (m instanceof Message2) p.handler((Message2)m) ... If I call m.getClass() I obtain "mypackage.Message1", so the subclass and not the superclass. I try with this code (use reflection): p.handler(m.getClass().cast(m)); But the output is Interface: Message So, this is my problem. I would do a runtime cast of superclass object to subclassobject without use the "code command" istanceof. I would a right command like this: p.handler((m.getclass)m); How can I obtain it? It's possible? Thank in advance. Fabrizio

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  • Why can I not register a PropertyEditor for String in Spring MVC?

    - by Tom Tucker
    I'm using Spring 3.0.3. I've enabled the default ConversionService by adding this line to my Spring configuration XML. <mvc:annotation-driven/> I'm also using custom PropertyEditor's for certain data types, so I've registered them for corresponding data types like the following and they work fine. webDataBinder.registerCustomEditor(Date.class, new MyPropertyEditor()); I have a custom tag library that extends Spring's Form tag library, and I can acess these PropertyEditor's through getPropertyEditor() of AbstractDataBoundFormElementTag. What I don't understand is that I can't register a custom PropertyEditor for String for some reason. The following wouldn't work. webDataBinder.registerCustomEditor(String.class, new MyPropertyEditor()); When I do getPropertyEditor(), it always returns a ConvertingPropertyEditorAdapter, instead of MyPropertyEditor. Is this a bug? EDIT: I realized that I didn't do some stuff right. Spring works just fine.

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  • toString method for varargs contructor

    - by owca
    I have a varargs contructor like this : public class Sentence { public String[] str; public Sentence(Object... text){ StringBuilder sb = new StringBuilder(); for (Object o : text) { sb.append(o.toString()) .append(" "); } System.out.println(sb.toString()); } } Contructor can get various types of data (ints, strings, and Sentence objects as well). How to do a proper toString method for such class ?

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  • How to convet to 16 bit binary

    - by ayush
    Hi i want to convert a long integer to binary but the problem is i want a fixed 16 bit binary result after conversion like if i convert 2 to 16 bit binary it should give me 0000000000000010 as ans can anyone help me ?

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  • Question on XML parsing.

    - by fastcodejava
    When I am parsing an xml string as below I get strange attributes like "autowire" with value "default". Is there anyway I can get the attribute that are explicitly defined? <bean id="aaaa" class="com.test.Service"> <property name="cccc" ref="cccc"/> </bean>

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  • Setting up new project in eclispe

    - by kbrin80
    So I set up a new project into eclipse and created a build.xml that creates a war file. The problem that I am having is that the only files that are included in the war are whats in the WEB-INF. How do you include my web folder into the war. Project src web WEB-INF

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