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    gembin

    OSGi, Eclipse Equinox, ECF, Virgo, Gemini, Apache Felix, Karaf, Aires, Camel, Eclipse RCP

    HBase, Hadoop, ZooKeeper, Cassandra

    Flex4, AS3, Swiz framework, GraniteDS, BlazeDS etc.

    There is nothing that software can't fix. Unfortunately, there is also nothing that software can't completely fuck up. That gap is called talent.

    About Me

     

    [原創]Example for GraniteDS v1.2.0 OSGi bundle

    In the last two entries, i gave an rough introduction on how to add OSGi support to GraniteDS.
    After several days, i made some efforts on the GraniteDS OSGi bundle, finally i got a simple implementation (also i had contributed it to http://www.graniteds.org).
    In this entry, i would like to give a short example on HOW-TO use this GraniteDS OSGi bundle.
    the non-official GraniteDS OSGi bundle can be downloaded from org.granite.osgi_1.2.0.v200812012334_beta.zip, and also both the src and binary of the graniteds-osgi-example can be downloaded from org.granite.osgi.example_src_1.0.0.v200812100107.zip and org.granite.osgi.example_bin_1.0.0.v200812100107.zip

    Step1. download the zip files, unzip and install them in the osgi container, make sure start org.granite.osgi bundle before          org.granite.osgi.example. the granite DataService in the example bundle will be scanned and reigstered by org.granite.osgi bundle.
          

    Step2.
        
    Open a browser and access http://localhost:{port}/web/GranitedsSample.html,
       
         click button Test1, you will get Hello :)-->gembin
        
         
         
    click button Test2, you will get Just test===>gembin

           

           Now we try to stop example bundle, then dataservice will be removed by org.granite.osgi bundle

           if click button Test1,we will get an error, because the service is not available now.
           Also we will get an exception StackTrace printed in the osgi console, because
           org.granite.messaging.service.ServiceFactory.getFactoryInstance will be NULL, for this version i didn't handle this
           but it will not affact the usage.
          
          

    HOW-TO Write a Granite OSGi DataService

    1. write a service as following:

    the source code of for Test1
     1 package org.granite.osgi.example;
     2 
     3 import org.granite.messaging.service.annotations.RemoteDestination;
     4 
     5 @RemoteDestination(id = "helloService", service = "granite-service", channel = "my-graniteamf", scope = "session")
     6 public class HelloService {
     7 
     8     public String sayHello(String user) {
     9         return "Hello :)--> " + user;
    10     }
    11 
    12 }

    the source code of for Test2
    1 package org.granite.osgi.example.test;
    2 
    3 import org.granite.messaging.service.annotations.RemoteDestination;
    4 
    5 @RemoteDestination(id = "testService", source = "org.granite.osgi.example.test.TestService")
    6 public interface ITestService {
    7     public String test(String str);
    8 }
    9 

    1 package org.granite.osgi.example.test;
    2 public class TestService implements ITestService {
    3 
    4     public String test(String str) {
    5         return "Just test===>" + str;
    6     }
    7 
    8 }

    2.Export the service packages in the MANIFEST.MF
     
    Export-Package: org.granite.osgi.example,org.granite.osgi.example.test

    3.Create an XML config file for service lookup (i.e. named granite-osgi.xml under directory GraniteDS-INF, any place any name as you want)

    <graniteds>
        
    <services>
        
    <!-- any valid granite dataService in the package org.granite.osgi.example and it's subpackages will be registered-->
            
    <service packages="org.granite.osgi.example.*" />
        
    </services>
    </graniteds>


    4.Add GraniteDS Property key in the MANIFEST.MF

    GraniteDS-Service: GraniteDS-INF/granite-osgi.xml

    5.Register static resources stuff in the Activator for Flex part

    HttpContext commonContext = httpService.createDefaultHttpContext();
     
    //register the resources
     httpService.registerResources("/web", "/WebResources", commonContext);
     
     
    put all your resources under folder WebResources.

    6.Make a bundle and install it, that is.

     
    javax.xml bundle and osgi event service is required for granite-osgi bundle,
     
    for me, i use eclipse equinox as osgi container.
     


    I hope you will like to play with it.
      





    posted on 2008-12-10 02:21 gembin 閱讀(3430) 評論(7)  編輯  收藏 所屬分類: OSGiFlex

    評論

    # re: [原創]Example for GraniteDS v1.2.0 OSGi bundle 2008-12-20 00:26 Mehdi

    I'm trying to use your org.granite.osgi bundle on Felix OSGi, but i got the following message when i push Test buton :

    faultCode:Client.Error.MessageSend faultString:'Send failed' faultDetail:'Channel.Connect.Failed error NetConnection.Call.Failed: HTTP: Status 500: url: 'http://localhost:8080/WebContent/graniteamf/amf"
    do you have any idea to solve that??

    i would like to notice that i have this error message when i start the exemple granite bundle :

    start file:H:\Dev\Granite\org.granite.osgi.example_1.0.0.v200812100107.jar
    DEBUG: WIRE: 17.0 -> org.granite.messaging.service.annotations -> 4.2
    DEBUG: WIRE: 17.0 -> org.osgi.util.tracker -> 0
    DEBUG: WIRE: 17.0 -> org.osgi.framework -> 0
    DEBUG: WIRE: 17.0 -> org.osgi.service.http -> 8.0
    org.mortbay.log:started /WebResources
    Hello Graniteds OSGi Bundle!!
    -> 19 dÚc. 2008 17:14:59 org.granite.logging.JdkLogger info
    INFO: Processing AddService for bundle org.granite.osgi.example
    19 dÚc. 2008 17:14:59 org.granite.logging.JdkLogger info
    INFO: GraniteDS-Service:GraniteDS-INF/granite-osgi.xml
    Exception in thread "Thread-14" javax.xml.parsers.FactoryConfigurationError: Provider org.apache.xer
    ces.jaxp.DocumentBuilderFactoryImpl not found
    at javax.xml.parsers.DocumentBuilderFactory.newInstance(Unknown Source)
    at org.granite.osgi.metadata.ManifestMetadataParser.getDocumentBuilder(ManifestMetadataParse
    r.java:196)
    at org.granite.osgi.metadata.ManifestMetadataParser.parseMetadata(ManifestMetadataParser.jav
    a:164)
    at org.granite.osgi.metadata.ManifestMetadataParser.access$1(ManifestMetadataParser.java:160
    )
    at org.granite.osgi.metadata.ManifestMetadataParser$MetadataProcessor.run(ManifestMetadataPa
    rser.java:325)
    at java.lang.Thread.run(Unknown Source)


    Thank you
      回復  更多評論   

    # re: [原創]Example for GraniteDS v1.2.0 OSGi bundle 2008-12-21 00:57 gembin

    it seems the required bundle javax.xml_1.3.4.v200806030440.jar is not installed, so the ManifestMetadataParser cannot parse the granite-osgi.xml, which will be result in the data service not registered and also osgi EventAdmin is required(org.eclipse.equinox.event_1.1.0.v20080225.jar).. you can find it in the eclipse plugins directory.

    Note: the flex file (i.e. sample.mxml) should be compiled using the WebContent Context  回復  更多評論   

    # re: [原創]Example for GraniteDS v1.2.0 OSGi bundle 2009-06-09 06:57 marecage@gmail.com

    Hi  回復  更多評論   

    # re: [原創]Example for GraniteDS v1.2.0 OSGi bundle 2009-06-09 07:01 marecage@gmail.com

    THanks for your work,its very useful.I tried to create an osgi bundle similar to yours using eclipse but I am always getting this error:


    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:3: package org.osgi.framework does not exist
    [javac] import org.osgi.framework.BundleActivator;
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:4: package org.osgi.framework does not exist
    [javac] import org.osgi.framework.BundleContext;
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:5: package org.osgi.framework does not exist
    [javac] import org.osgi.framework.ServiceReference;
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:6: package org.osgi.service.http does not exist
    [javac] import org.osgi.service.http.HttpContext;
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:7: package org.osgi.service.http does not exist
    [javac] import org.osgi.service.http.HttpService;
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:8: package org.osgi.util.tracker does not exist
    [javac] import org.osgi.util.tracker.ServiceTracker;
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:11: cannot find symbol
    [javac] symbol: class BundleActivator
    [javac] public class Activator implements BundleActivator {
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:12: cannot find symbol
    [javac] symbol : class ServiceTracker
    [javac] location: class fr.imag.adele.homega.devices.Activator
    [javac] ServiceTracker stracker;
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:14: cannot find symbol
    [javac] symbol : class BundleContext
    [javac] location: class fr.imag.adele.homega.devices.Activator
    [javac] public void start(BundleContext context) throws Exception {
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:47: cannot find symbol
    [javac] symbol : class BundleContext
    [javac] location: class fr.imag.adele.homega.devices.Activator
    [javac] public void stop(BundleContext context) throws Exception {
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:20: cannot find symbol
    [javac] symbol : class ServiceTracker
    [javac] location: class fr.imag.adele.homega.devices.Activator
    [javac] private class HttpServiceTracker extends   回復  更多評論   

    # re: [原創]Example for GraniteDS v1.2.0 OSGi bundle 2009-06-09 07:01 marecage@gmail.com

    ServiceTracker {
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:24: cannot find symbol
    [javac] symbol : class BundleContext
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] public HttpServiceTracker(BundleContext context) {
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:28: cannot find symbol
    [javac] symbol : class ServiceReference
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] public Object addingService(ServiceReference reference) {
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:40: cannot find symbol
    [javac] symbol : class ServiceReference
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] public void removedService(ServiceReference reference, Object service) {
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/BinaryLight.java:3: package org.granite.messaging.service.annotations does not exist
    [javac] import org.granite.messaging.service.annotations.RemoteDestination;
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/BinaryLight.java:5: cannot find symbol
    [javac] symbol: class RemoteDestination
    [javac] @RemoteDestination(id = "BinaryLightService", service = "granite-service", channel = "amfchannel", scope = "session")
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:25: cannot find symbol
    [javac] symbol : class HttpService
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] super(context, HttpService.class.getName(), null);
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:29: cannot find symbol
    [javac] symbol : class HttpService
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] final HttpService httpService = (HttpService) context.getService(reference);
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:29: cannot find symbol
    [javac] symbol : class HttpService
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] final HttpService httpService = (HttpService) context.getService(reference);
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:29: cannot find symbol
    [javac] symbol : variable context
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] final HttpService httpService = (HttpService) context.getService(reference);
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:31: cannot find symbol
    [javac] symbol : class HttpContext
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] HttpContext commonContext = httpService.createDefaultHttpContext();
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:41: cannot find symbol
    [javac] symbol : class HttpService
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] final HttpService httpService = (HttpService) service;
    [javac] ^
    [javac] /home/emrah/flex_workspace2/BinaryLightDeviceBundle/src/fr/imag/adele/homega/devices/Activator.java:41: cannot find symbol
    [javac] symbol : class HttpService
    [javac] location: class fr.imag.adele.homega.devices.Activator.HttpServiceTracker
    [javac] final HttpService httpService = (HttpService) service;
    [javac] ^
    [javac] 23 errors
    [javac] Compile failed; see the compiler error output for details.


    THanks in advance.  回復  更多評論   

    # re: [原創]Example for GraniteDS v1.2.0 OSGi bundle 2009-06-09 07:04 marecage@gmail.com

    By the way I used your ant file in eclipse to compile it.  回復  更多評論   

    # re: [原創]Example for GraniteDS v1.2.0 OSGi bundle 2009-06-09 21:57 gembin

    Sorry, the ant file is generated by eclipse and i didn't use it.
    Maybe there are some problems.

    Why not just use Eclipse to compile the code and export it as a bundle. it should work!  回復  更多評論   

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