Re: Linker public artifacts are not available in SDM

In https://github.com/vitalidze/traccar-web/blob/12ceb111e20bb79aa9e046b9b9db5aae5aa84ffd/src/main/java/org/traccar/web/i18n/client/StringTranslator.java#L51 you need to use GWT.getModuleBaseForStaticFiles() instead of GWT.getModuleBaseURL().

http://www.gwtproject.org/javadoc/latest/com/google/gwt/core/client/GWT.html#getModuleBaseForStaticFiles()

On Friday, December 11, 2015 at 4:37:39 PM UTC+1, Vitaly Litvak wrote:

Hi

I am trying to reduce the compilation time of my GWT app. There are about 160 permutations done for now and the reason is big number of languages/locales supported. The main idea is to get rid of the static compilation and replace it with dynamic loading of localized data. I have almost succeeded, but now I am facing the problem with linker, which does not expose public artifacts when I run project from IntelliJ Idea. I will give more details and then point where the problem is now. 

I already have the `Messages` interface and multiple `.properties` files with defined translations and also I am using GXT library, which also uses 'static' internationalization. Thus the only way I can imagine myself is to replace the Localizable generator with my own implementation. I have defined it in a separate module:

<generate-with class="org.traccar.web.i18n.rebind.LocalizableGenerator">
    <when-type-assignable class="com.google.gwt.i18n.shared.Localizable" />
</generate-with>

Then in generator I simply produce a single implementation, which will use another class to load the strings from module's resources available under {module.base.url}/i18n/path/to/package/ClassName/{locale}, for example MyModule/i18n/com/google/gwt/i18n/client/constants/NumberConstantsImpl/ru

I intend to store the localized strings as JSON object, which will be generated by the 'generator' as well. Here is the code of my 'LocalizableGenerator':

JsonFactory jsonFactory = new JsonFactory();
for (GwtLocale locale : localeParams.allLocales) {
    AbstractResource.ResourceList resourceList = null;
    try {
        resourceList = ResourceFactory.getBundle(logger, targetClass, locale,
                assignableToConstants, context);
        OutputStream os = context.tryCreateResource(logger, resource + "/" + locale.toString());
        if (os != null) {
            JsonGenerator jg = jsonFactory.createGenerator(os, JsonEncoding.UTF8);
            jg.writeStartObject();
            for (String key : resourceList.keySet()) {
                AbstractResource.ResourceEntry entry = resourceList.getEntry(key);
                Collection<String> forms = entry.getForms();
                if (forms.isEmpty()) {
                    jg.writeStringField(key, resourceList.getString(key));
                } else {
                    jg.writeObjectFieldStart(key);
                    jg.writeStringField("null", resourceList.getString(key));
                    for (String form : forms) {
                        jg.writeStringField(form, entry.getForm(form));
                    }
                    jg.writeEndObject();
                }
            }
            jg.writeEndObject();
            jg.flush();
            GeneratedResource generatedResource = context.commitResource(logger, os);
            context.commitArtifact(logger, generatedResource);
        }
    } catch (MissingResourceException e) {
        throw error(logger,
                "Localization failed; there must be at least one resource accessible through"
                        + " the classpath in package '" + targetClass.getPackage().getName()
                        + "' whose base name is '"
                        + ResourceFactory.getResourceName(targetClass) + "'");
    } catch (IllegalArgumentException e) {
        // A bad key can generate an illegal argument exception.
        throw error(logger, e.getMessage());
    } catch (IOException e) {
        throw error(logger, e);
    }
}

The generation works just fine. I can see produced files in a temporary folder. Looks like they are included in the .war file as well when I produce it with maven. However, they are not visible when I run my application in SDM from IntelliJ Idea.

Full source code is available on github: https://github.com/vitalidze/traccar-web/tree/dynamic_i18n

Commit with above changes: https://github.com/vitalidze/traccar-web/commit/12ceb111e20bb79aa9e046b9b9db5aae5aa84ffd

Any help appreciated.

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