dynamic « Bean « Spring Q&A





1. dynamically change spring beans    stackoverflow.com

how do I dynamically change the properties of a bean at runtime using java spring? I have a bean mainView, which should use as property "class" either "class1" or "class2". This decision should ...

2. Apply dynamic properties to a bean at runtime    stackoverflow.com

Assume I have a bean DialogBox, with properties for height and width:

public class DialogBox {
 int x;
 int y;
 ...
}
In my applicationContext.xml I would define properties as reasonable defaults:
<bean id="dialogbox" class="DialogBox">
 ...

3. Dynamic injection of bean properties based on a locale variant in Spring    stackoverflow.com

Consider the following class DialgBean.java, which defines the properties of a dialog box on a web page. Below is the class and its bean definition

public class DialogBean{
  private int height;

 ...

4. Instantiating spring beans in dynamically created classes    stackoverflow.com

I am dynamically creating classes which contain spring beans, however the beans are not getting instantiated or initialised, leaving them as null. How do I make sure that a dynamically created class ...

5. Can I dynamically create a List by scanning the beans in a spring configuration file?    stackoverflow.com

For example, I have created a slew of 'test-my-service' Objects in my Spring config and each Object has data that concerns a contrived test scenario. Currently I am manually editing the ...

6. reading a dynamic property list into a spring managed bean    stackoverflow.com

I've been searching but cannot find these steps. I hope I'm missing something obvious. I have a properties file with the following contents:

machines=A,B
I have another file like that but having a different ...

7. To what type of object or collection should I cast my json object of dynamically generated fields    stackoverflow.com

I have a dialog with a list of generated fields whose names contain the primary id of the user to which the data belongs. I am creating a JSON object ...

8. Using @autowired to store a list of beans dynamically created in another class    stackoverflow.com

I have a class called Drives which dynamically instantiates FsAccess beans.
I have a service class called ServersAccessService which finds FsAccess beans and stores them in a map using @autowired. Is there ...

9. Dynamically ignore properties with JacksonJson    stackoverflow.com

I'm aware that there are multiple way to tell JacksonJson to ignore properties during rendering but all of them are static. (JasonIgnore, MixIn classes, ..). This is my scenarion. A domain object can ...





10. Inject values in list property dynamically in spring    stackoverflow.com

In spring, I want to inject values in list property dynamically. Is it possible? For e.g. Instead of specifying value 1 three times, does there exist some property which can repeat this ...

11. Dynamically configuring java beans based on property file in Spring    stackoverflow.com

Wondering if there is a way to dynamically instantiate beans based on set of values in your property file using PropertyPlaceholderConfigurer class. I have a java bean say Student with two attributes: ...

12. Dynamically defining which bean to autowire in Spring (using qualifiers)    stackoverflow.com

I have a Java EE + Spring app that favors annotations over XML configuration. The beans always have prototype scope. I now have in my app business rules that depend on ...

13. Java dynamically wrap parameters into an object?    stackoverflow.com

In Java, especially in Spring, how to dynamically create an object instance?

String fld =  "objAList[4].objB.objCList[5].name";
String fld1 = "objAList[3].objB.objCList[4].name";
String fld2 = "objAList[4].objB.objCList[4].name";
String fld3 = "name";
String fld4 = "objDList[4].name";
String fld5 = "objDList[4].objB.objCList[6].name";
Think ...

14. Using ExecutionContext to dynamically set bean property    forum.springsource.org

I just started to use spring batch and pretty new at this and I need help. What I'm trying to do is to use ExecutionContext to dynamically set the properties (sql ...

15. how to read in a dynamic list of properties?    forum.springsource.org

Hi, I've been searching but cannot find these steps. I hope I'm missing something obvious. I have a properties file with the following contents: Code: machines=A,B I have another file like ...

16. Registering Bean in applicationcontext dynamically    forum.springsource.org

Registering Bean in applicationcontext dynamically Hi, I am using spring-3.0.5-realse version. I have bean "A" in spring xml file. When i start my application it will load this bean "A". After ...





17. AAdding value for the messageSelector property dynamically.    forum.springsource.org

AAdding value for the messageSelector property dynamically. I have added a messageSelector property to a "org.springframework.jms.listener.SimpleMessageLis tenerContainer" class in my Spring's ApplicationContext.xml file like this -

18. Delay certain beans from loading; dynamic bean loading    forum.springsource.org

Delay certain beans from loading; dynamic bean loading Our Spring highly enterprise integrated spring app config yields an all or nothing monolithic web app. When it finds everything correctly during start ...

19. How to inject bean dynamically    forum.springsource.org

I have a bean which inject a String. based upon that value in the String it should return any one of the two implementation class. Please suggest me the solution.

20. Changing the content of spring properties file dynamically    forum.springsource.org

Hi guys is there any good examples of changing spring properties file's content dynamically? I would really appreciate it if you could give me some example or link.

21. Dynamic Classloading    forum.springsource.org

Dynamic Classloading I have a rather odd scenario I'm working with, and have run into a problem with classloading. I am using RMI classpath annotation and java.rmi.MarshalledObject to deliver some objects ...

22. Need help on bean creation dynamically    forum.springsource.org

Need help on bean creation dynamically I have a situation where I need to process files. There are 3 kinds of file for which I have three different service classes. I ...

23. JMXExporter for Dynamic Beans    forum.springsource.org

Friends .. I have some configurations which has been configured in Database, base on the configuration my programe is instantiating 5 processor objects,(Thats why i called those objects as Dynamic bean)and ...

24. Dynamic nested properties    forum.springsource.org

Dynamic nested properties Hello all, I guess I can explain my problem best by a small code-exmaple: .... ...

25. Apply spring to dynamic loaded classes    forum.springsource.org

Apply spring to dynamic loaded classes Hello, I need some advise on how to implement the following: We are developing an online ticketing system. External clients can connect to our system ...

26. Dynamic Property Configuration    forum.springsource.org

Dynamic Property Configuration Hi, What I am looking to achieve is kinda of like the PropertyPlaceholderConfigurer, in that I would like configuration values within my bean config to be derived from ...

27. Dynamic Bean Creation?    forum.springsource.org

Dynamic Bean Creation? Hello, I am very new to spring. So far I've been trying a few things and I would like to start getting productive with Spring. What I haven't ...

28. Dynamic beans    forum.springsource.org

Hi, How can I add new bean (during the runtime) to an XmlBeanFactory? For instance, I have the following code to create a BeanFactory. How can I dynamically at another bean ...

29. dynamic property value in beans    forum.springsource.org

dynamic property value in beans Hi gurus! Suppose I have a bean in my bean definition, and all the other beans are childs of this, so that they can inherit his ...

30. dynamic bean reference    forum.springsource.org

dynamic bean reference Is there a way to achieve dynamic bean references by having a referenced bean id be defined in some external properties file? For example:

31. Dynamically adding a bean to the ApplicationContext    forum.springsource.org

Dynamically adding a bean to the ApplicationContext Is it possible to dynamically add a bean to the application context? My application has to support registration of XTensions at run time. My ...

32. set up bean property dynamically?    forum.springsource.org

Hello, I need to change a property of an already registered bean on execution time. So I will set up the bean with default values and need to change some of ...

33. Dynamic Loading of Beans (dynamic conext file creator)    forum.springsource.org

Dynamic Loading of Beans (dynamic conext file creator) I'm currently writing an application which only knows at startup what (visual) components it will show by reading a config file it gets ...

34. dynamically generate spring beans file?    forum.springsource.org

dynamically generate spring beans file? hi.. is there an sdk or an object model which i can use to generate a spring-beans file? i know i can use regula xml parser, ...

35. Setting dynamic Property    forum.springsource.org

Hi, I'd like to be able to dynamically configure the cronExpression parameter, retrieving it from a custom method:     forum.springsource.org

Why dynamic language bean scope must be "singleton" In the current springframework dynamic language support, all scripting bean scope is restricted to "singleton". But the 'singleton" scope restrict all scripting bean ...

40. Dynamically loading the values for property placeholders in context xml file    forum.springsource.org

Dynamically loading the values for property placeholders in context xml file Hi, I am running some JUnit tests cases, and I trying to dynamically load the values for certain property placeholder ...

41. Dynamic Bean Arguments    forum.springsource.org

the JIRA issue is focused on different use case but the URL is http://opensource.atlassian.com/proj...browse/SPR-334 exposing getBean method that accept run time argument is useful in case of using old singleton factory ...

42. Dynamic Bean Arguments    forum.springsource.org

the JIRA issue is focused on different use case but the URL is http://opensource.atlassian.com/proj...browse/SPR-334 exposing getBean method that accept run time argument is useful in case of using old singleton factory ...

43. Dynamic setting of properties on factory beans    forum.springsource.org

Dynamic setting of properties on factory beans What is the best approach for the following scenario: We have an RMIServiceFactoryBean, which obviously returns an RMIService. The url for the service is ...

44. Instancing Bean with dynamic object    forum.springsource.org

Hello, I am trying to instanciate Bean with dynamic object in parameter. I try something like that : UsernamePasswordAuthenticationToken user = (UsernamePasswordAuthenticationToken) context.getBean("xxxx"); It is not working because the object don't ...

45. How to register bean with dynamic generated ObjectName    forum.springsource.org

Hi, ObjectName for MBean is usually defined in xml (key) or annotation. But it seems ObjectName has to be defined statistically. However if ObjectName has to be generated at runtime, how ...

46. Dynamic bean registration inside application context error    forum.springsource.org

Dynamic bean registration inside application context error Can somebody tell me how can I do to register bean dynamically in application context. I tried this: Code:

47. Dynamic creation of bean definition at runtime    forum.springsource.org

Hello, I'd like to know if it is possible to create bean definition at runtime ? If yes, what is the best solution ? And once the definition has been created, ...

48. Dynamic collection merging    forum.springsource.org

Dynamic collection merging I'm facing a big problem, with no solution at this time. I have a Spring bean with a 'list' property containing several handlers : Code: ...

49. Dynamic bean choice    forum.springsource.org

Hi, I have two similar cases. I would like to choose a bean depending on some arguments received. Let's take one of these two cases. I have a web controller which ...

50. Dynamic Bean discovery in Spring 2.0.x    forum.springsource.org

Dynamic Bean discovery in Spring 2.0.x I want to find a solution for this, although I don't know if it's possible: I want to inject beans following a certain naming convention, ...

51. Dynamic bean definition problem    forum.springsource.org

Dynamic bean definition problem Hello everybody! Hopefully someone can help me with my ApplicationContext-problem here. We currently have a spring-based server-app, based on one DispatcherServlet, exporting webservices via HttpExporter. The overall ...

52. Dynamic name-based dependency when creating beans    forum.springsource.org

Dynamic name-based dependency when creating beans Hi, I am trying to build a framework of Services, where each service can be configured by supplying an instance of other class, let's call ...

53. Working with dynamic collections.    forum.springsource.org

Working with dynamic collections. I have a JSP in which a new row can be added dynamically. I mean a user can add another row ( I am using Java script ...

54. Dynamically injecting a bean    forum.springsource.org

Dynamically injecting a bean Hello guys, I am new to Spring and I need some help/ideas about how should I address an object injection problem I have. To me it looks ...

55. Dynamic Bean Properties    forum.springsource.org

I have a bean that has some properties whose values are set with the PropertyPlaceholderConfigurer. I'd like to be able to change the file values and have the beans automatically updated ...

56. Newbie: Dynamic Place Holder Value to create bean    forum.springsource.org

Newbie: Dynamic Place Holder Value to create bean Hi, I would like to create beans from a sample format which defined in spring.xml, and bean value will be get from database. ...

57. Dynamic grooy bean script source    forum.springsource.org

Dynamic grooy bean script source Hi All, I would like to be able to use a groovy bean where the source comes from the database - I have based work on ...

58. Dynamic Bean loading    forum.springsource.org

Dynamic Bean loading Hi all, First of all, thank you for your replies, very much appreciated. A newbie in Spring here as well and I may get some terms wrong (if ...

59. Dynamically changing the props of PropertyPlaceholderConfigurer in context    forum.springsource.org

Dynamically changing the props of PropertyPlaceholderConfigurer in context I actually need to create beans out of the config file.My problem is I need to specify some of the props as variables ...

60. create virtual bean property for bean backed by dynamic map    forum.springsource.org

create virtual bean property for bean backed by dynamic map I have a set of beans I cannot modify. The data in the bean is all implemented by a map and ...

61. Dynamic injection of abstract beans    forum.springsource.org

Dynamic injection of abstract beans Hi guys, I'm pretty new to Spring and have a question about abstract beans that I can't find an answer to on the forums. The problem ...

62. Dynamically Create a Bean after the context files are loaded    forum.springsource.org

Dynamically Create a Bean after the context files are loaded Hi, All I have to create some set of beans dynamically after the main context file has loaded. I have some ...

63. Load bean configuration file dynamically    forum.springsource.org

Load bean configuration file dynamically Hello, I have a Spring Web MVC application (myapp) and a plugin.jar file with some bean definition file (e.g. pluginBeans.xml) packed into it. Is it possible ...

64. Dynamic aop using bean shell    forum.springsource.org

I'd say it is unlikely. I don't know much about how BeanScript works, but I am fairly sure that they use a custom classloader to execute scripts at runtime. It is ...

65. depends-on with dynamic language beans    forum.springsource.org

depends-on with dynamic language beans I have a bean that uses and I need to ensure that the bean is instantiated after another bean has been created. I'm trying this ...

66. Dynamically load properties    forum.springsource.org

Hi, I have a problem which includes multiple application context files. For example, Code: main.xml one.xml two.xml main.xml includes both one.xml and two.xml. The problem I am facing is I want ...

67. dynamically loading bean definitions    forum.springsource.org

dynamically loading bean definitions Hi ! I have a huge problem concerning my app architecture. I have my Main module which gets Application context and since then its fully container driven. ...

68. Dynamic Bean Creation    forum.springsource.org

Dynamic Bean Creation Hi, I have tried the the AbstractDataSourceRouting in the linnk http://blog.springsource.com/2007/01...ource-routing/ and it works fine for me.. But in this datasource values like username,password are hardcoded in the ...

69. Dynamically specifying properties file?    forum.springsource.org

I am quite new to Spring. I am using Rational Software Architect(Eclipse) and have my configuration file which is an XML file. I want to dynamically specify which properties file I ...

70. Parameters based dynamic injection of beans    forum.springsource.org

Parameters based dynamic injection of beans Let's suppose we have the necessity to call different service implementation based upon some parameter. I was thinking about the best way to accomplish this. ...

71. How to implement dynamic properties?    forum.springsource.org

How to implement dynamic properties? By "dynamic" I mean they can be changed at run-time. Now I keep properties in a database and use @Value to inject the properties to Spring ...

72. Dynamic Spring Beans    forum.springsource.org

Dynamic Spring Beans Hi There I am running out in a issue releted to Spring Dynamic Bean creation. There is an Loader Bean ,which is loading some processors from a data ...