Hi I am trying to do a simple constant lookup.
com.google.gwt.i18n.client.Constants
is what I need to use.
I created the interface
public interface PhotoConstants extends Constants{
String appName();
}
I am calling is in GWT Entry Point code as follows
PhotoConstants constants = (PhotoConstants)GWT.create(PhotoConstants.class);
Window.alert(constants.upnpAppName());
I created a PhotoConstants.properties file in war/ directory.
However I get the following Exception.
This maybe because I dont have the properties file in the correct location??
The documentation does not say anything about it though...
12:57:20.298 [ERROR] [phototrial] No resource found for key 'upnpAppName'
com.google.gwt.i18n.rebind.AbstractResource$MissingResourceException: No
resource found for key 'upnpAppName'
at
com.google.gwt.i18n.rebind.AbstractResource$ResourceList.getRequiredStringExt(AbstractResource.java:246)
at
com.google.gwt.i18n.rebind.SimpleValueMethodCreator.createMethodFor(SimpleValueMethodCreator.java:95)
at
com.google.gwt.i18n.rebind.AbstractLocalizableImplCreator.delegateToCreator(AbstractLocalizableImplCreator.java:313)
at
com.google.gwt.i18n.rebind.ConstantsImplCreator.emitMethodBody(ConstantsImplCreator.java:163)
at
com.google.gwt.user.rebind.AbstractGeneratorClassCreator.genMethod(AbstractGeneratorClassCreator.java:265)
at
com.google.gwt.user.rebind.AbstractGeneratorClassCreator.emitMethods(AbstractGeneratorClassCreator.java:233)
at
com.google.gwt.user.rebind.AbstractGeneratorClassCreator.emitClass(AbstractGeneratorClassCreator.java:116)
at
com.google.gwt.i18n.rebind.AbstractLocalizableImplCreator.generateConstantOrMessageClass(AbstractLocalizableImplCreator.java:133)
at
com.google.gwt.i18n.rebind.LocalizableGenerator.generate(LocalizableGenerator.java:121)
at
com.google.gwt.i18n.rebind.LocalizableGenerator.generate(LocalizableGenerator.java:98)
at
com.google.gwt.dev.javac.StandardGeneratorContext.runGenerator(StandardGeneratorContext.java:418)
at
com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:38)
at
com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.tryRebind(StandardRebindOracle.java:108)
at
com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.rebind(StandardRebindOracle.java:54)
at
com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:154)
at
com.google.gwt.dev.shell.ShellModuleSpaceHost.rebind(ShellModuleSpaceHost.java:119)
at com.google.gwt.dev.shell.ModuleSpace.rebind(ModuleSpace.java:531)
at
com.google.gwt.dev.shell.ModuleSpace.rebindAndCreate(ModuleSpace.java:414)
at com.google.gwt.dev.shell.GWTBridgeImpl.create(GWTBridgeImpl.java:39)
at com.google.gwt.core.client.GWT.create(GWT.java:98)
at
com.ashish.phototrial.client.PhotoTrial.onModuleLoad(PhotoTrial.java:57)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:369)
at
com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:185)
at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:380)
at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:222)
at java.lang.Thread.run(Unknown Source)
On Mon, Oct 26, 2009 at 8:55 PM, Sanjeev Kulkarni <[email protected]>wrote:
>
> Hi,
> It is possible. create a java file which is like below
> public interface LoginConstants extends
> com.google.gwt.i18n.client.Messages{
> @DefaultMessage("Logging in..")
> @Key("loggingIn.msg")
> String loggingIn_msg();
> }
> And in the .properties file u just have to access this like below
>
> loggingIn.msg = Logging in..
>
> This works fine...
>
> On Oct 27, 9:48 am, rjcarr <[email protected]> wrote:
> > You've already been answered, but I'll elaborate a bit.
> >
> > I'm going to assume you mean reading a property file in the client.
> > If you mean reading a property file in the server then you should look
> > at java.util.Properties.
> >
> > If you don't want to set up a service to obtain the contents of this
> > properties file then you're going to need to have something on the
> > server parse it (see java.util.Properties above), and then write the
> > contents dynamically (say, with JSP) into the client page so that your
> > GWT javascript can access it.
> >
> > As others have pointed out, you can then use Dictionary to pick up the
> > values you're after (although I prefer to use JSNI and avoid using a
> > Dictionary). I haven't used Constants before, but it looks
> > interesting ... that might be an easier route.
> >
> > Good luck!
> >
> > On Oct 26, 9:04 am, Praveen Prabakaran <[email protected]> wrote:
> >
> > > Hi,
> >
> > > There's a URL in my GWT application which is hard-coded in a java
> > > file. I need to change this by creating a property file which contains
> > > the URL in the form of a key-value pair. But I'm not able to do so. Is
> > > this a limitation in GWT? Can I not use GWT to read from a property
> > > file and print it? .Also please let me know how to include a external
> > > package (for eg. "com.google.gwt.core.ext.typeinfo") in GWT.
> >
> > > Warm Regards,
> > > Praveen.
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