DataModule.java 文件源码

@Provides
@Singleton
Picasso providePicasso(Application app, OkHttpClient client) {
    // Create client for picasso with global client specs
    OkHttpClient picassoClient = client.clone();

    // Intercept image loading requests to add auth header
    picassoClient.interceptors().add(new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {
            String url = chain.request().urlString();

            // Get the current server from secure storage
            String server = Hawk.get(Preferences.KEY_SERVER);

            // Add the basic auth header only in Jira server requests
            if (url.contains(server)) {
                Request.Builder builder = chain.request().newBuilder();
                Header header = BasicAuth.getBasicAuthHeader();
                if (header != null) {
                    builder.addHeader(header.getName(), header.getValue());
                }
                return chain.proceed(builder.build());
            }

            // Skip image requests that are not for the current Jira server
            else {
                return chain.proceed(chain.request());
            }
        }
    });

    return new Picasso.Builder(app)
            .downloader(new OkHttpDownloader(picassoClient))
            .loggingEnabled(BuildConfig.DEBUG)
            .build();
}