Java 类com.badlogic.gdx.net.HttpRequestHeader 实例源码

synchronized
public void requestRefreshRepository() {
    if (checkingInProgress) return;

    Gdx.app.log(TAG, "Requesting new data from remote server.");

    checkingInProgress = true;
    eventDispatcher.postEvent(new ModuleRepositoryRefreshEvent(ModuleRepositoryRefreshEvent.Action.REFRESH_STARTED));

    Gdx.net.sendHttpRequest(new HttpRequestBuilder().newRequest()
            .method(Net.HttpMethods.GET)
            .url(getRelativeUrl("modules.json"))
            .timeout(10000)
            .header(HttpRequestHeader.CacheControl, "no-cache")
            .build(),
            new Net.HttpResponseListener() {
        @Override
        public void handleHttpResponse(Net.HttpResponse httpResponse) {
            try {
                String result = httpResponse.getResultAsString();

                // Cache result into local file
                FileUtils.saveTextToFile(repoCacheFile, result);

                // Update in-memory data
                Array<RepositoryModuleData> newArray = json.fromJson(Array.class, RepositoryModuleData.class, result);
                repositoryModules.clear();
                for (RepositoryModuleData moduleData : newArray) {
                    repositoryModules.put(moduleData.name, moduleData);
                }
                prefsCommon.putLong(PREF_KEY_LAST_CHECK, new Date().getTime()).flush();

                Gdx.app.log(TAG, "Data was loaded from remote server.");

                checkingInProgress = false;
                eventDispatcher.postEvent(new ModuleRepositoryRefreshEvent(ModuleRepositoryRefreshEvent.Action.REFRESH_FINISHED));
                eventDispatcher.postEvent(new ModuleRepositoryRefreshEvent(ModuleRepositoryRefreshEvent.Action.FINISHED_SUCCESS));
            } catch (Exception e) {
                checkingInProgress = false;
                eventDispatcher.postEvent(new ModuleRepositoryRefreshEvent(ModuleRepositoryRefreshEvent.Action.REFRESH_FINISHED));
                eventDispatcher.postEvent(new ModuleRepositoryRefreshEvent(ModuleRepositoryRefreshEvent.Action.FINISHED_ERROR));
            }
        }
        @Override
        public void failed(Throwable t) {
            checkingInProgress = false;
            eventDispatcher.postEvent(new ModuleRepositoryRefreshEvent(ModuleRepositoryRefreshEvent.Action.REFRESH_FINISHED));
            eventDispatcher.postEvent(new ModuleRepositoryRefreshEvent(ModuleRepositoryRefreshEvent.Action.FINISHED_ERROR));
        }
        @Override
        public void cancelled() {
            checkingInProgress = false;
            eventDispatcher.postEvent(new ModuleRepositoryRefreshEvent(ModuleRepositoryRefreshEvent.Action.REFRESH_FINISHED));
            eventDispatcher.postEvent(new ModuleRepositoryRefreshEvent(ModuleRepositoryRefreshEvent.Action.FINISHED_ERROR));
        }
    });
}