com.google.cloud.TransportOptions Java Examples

/**
 * Builds the Transport Options containing the proxy configuration
 * @param context Context to get properties
 * @return Transport options object with proxy configuration
 */
protected TransportOptions getTransportOptions(ProcessContext context) {
    final ProxyConfiguration proxyConfiguration = ProxyConfiguration.getConfiguration(context, () -> {
        final String proxyHost = context.getProperty(PROXY_HOST).evaluateAttributeExpressions().getValue();
        final Integer proxyPort = context.getProperty(PROXY_PORT).evaluateAttributeExpressions().asInteger();
        if (proxyHost != null && proxyPort != null && proxyPort > 0) {
            final ProxyConfiguration componentProxyConfig = new ProxyConfiguration();
            final String proxyUser = context.getProperty(HTTP_PROXY_USERNAME).evaluateAttributeExpressions().getValue();
            final String proxyPassword = context.getProperty(HTTP_PROXY_PASSWORD).evaluateAttributeExpressions().getValue();
            componentProxyConfig.setProxyType(Proxy.Type.HTTP);
            componentProxyConfig.setProxyServerHost(proxyHost);
            componentProxyConfig.setProxyServerPort(proxyPort);
            componentProxyConfig.setProxyUserName(proxyUser);
            componentProxyConfig.setProxyUserPassword(proxyPassword);
            return componentProxyConfig;
        }
        return ProxyConfiguration.DIRECT_CONFIGURATION;
    });

    final ProxyAwareTransportFactory transportFactory = new ProxyAwareTransportFactory(proxyConfiguration);
    return HttpTransportOptions.newBuilder().setHttpTransportFactory(transportFactory).build();
}
 

private BigQuery getBigQueryInstance() {
    final TransportOptions transportOptions = BigQueryOptions.getDefaultHttpTransportOptions().toBuilder()
            .setConnectTimeout(Integer.parseInt(bqConfig.getBqClientConnectTimeout()))
            .setReadTimeout(Integer.parseInt(bqConfig.getBqClientReadTimeout()))
            .build();
    return BigQueryOptions.newBuilder()
            .setTransportOptions(transportOptions)
            .setCredentials(getGoogleCredentials())
            .setProjectId(bqConfig.getGCPProject())
            .build().getService();
}
 

private synchronized Storage getService() throws IOException, GeneralSecurityException {

        logger.trace("Getting Google Cloud Storage service");

        // leave this here for tests because they do things like manipulate properties dynamically to test invalid values
        this.bucketName = properties.getProperty( "usergrid.binary.bucketname" );


        if (instance == null) {

            // Google provides different authentication types which are different based on if the application is
            // running within GCE(Google Compute Engine) or GAE (Google App Engine). If Usergrid is running in
            // GCE or GAE, the SDK will automatically authenticate and get access to
            // cloud storage. Else, the full path to a credential file should be provided in the following environment variable
            //
            //     GOOGLE_APPLICATION_CREDENTIALS
            //
            // The SDK will attempt to load the credential file for a service account. See the following
            // for more info: https://developers.google.com/identity/protocols/application-default-credentials#howtheywork
            GoogleCredentials credentials = GoogleCredentials.getApplicationDefault().createScoped(StorageScopes.all());


            final TransportOptions transportOptions = HttpTransportOptions.newBuilder()
                .setConnectTimeout(30000) // in milliseconds
                .setReadTimeout(30000) // in milliseconds
                .build();

            instance = StorageOptions.newBuilder()
                .setCredentials(credentials)
                .setTransportOptions(transportOptions)
                .build()
                .getService();
        }

        return instance;
    }
 

public TestApp() {
        try
        {
            
            /*
          JacksonFactory jsonFactory = new JacksonFactory(); 
              
            Authenticator.setDefault(
                new Authenticator() {
                   @Override
                   public PasswordAuthentication getPasswordAuthentication() {
                      return new PasswordAuthentication(
                            "user1", "user1".toCharArray());
                   }
                }
             );                          
            Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("127.0.0.1", 3128));
            NetHttpTransport mHttpTransport = new NetHttpTransport.Builder().setProxy(proxy).build();
            */
           

            HttpHost proxy = new HttpHost("127.0.0.1",3128);
            DefaultHttpClient httpClient = new DefaultHttpClient();
            httpClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);
            
            httpClient.addRequestInterceptor(new HttpRequestInterceptor(){            
                @Override
                public void process(org.apache.http.HttpRequest request, HttpContext context) throws HttpException, IOException {
                    //if (request.getRequestLine().getMethod().equals("CONNECT"))                 
                    //  request.addHeader(new BasicHeader("Proxy-Authorization","Basic dXNlcjE6dXNlcjE="));
                }
            });

           mHttpTransport =  new ApacheHttpTransport(httpClient);



/*
            com.google.api.client.googleapis.auth.oauth2.GoogleCredential credential = com.google.api.client.googleapis.auth.oauth2.GoogleCredential.getApplicationDefault(mHttpTransport,jsonFactory);
            if (credential.createScopedRequired())
                credential = credential.createScoped(Arrays.asList(StorageScopes.DEVSTORAGE_READ_ONLY));

            com.google.api.services.storage.Storage service = new com.google.api.services.storage.Storage.Builder(mHttpTransport, jsonFactory, credential)
                .setApplicationName("oauth client")   
                .build(); 
                
            com.google.api.services.storage.model.Buckets dl = service.buckets().list("mineral-minutia-820").execute();
            for (com.google.api.services.storage.model.Bucket bucket: dl.getItems()) 
                System.out.println(bucket.getName());
*/

            
           // System.setProperty("https.proxyHost", "localhost");
           // System.setProperty("https.proxyPort", "3128");
/*
            Authenticator.setDefault(
                new Authenticator() {
                @Override
                public PasswordAuthentication getPasswordAuthentication() {
                    return new PasswordAuthentication(
                            "user1", "user1".toCharArray());
                }
                }
            );
*/


            HttpTransportFactory hf = new HttpTransportFactory(){
                @Override
                public HttpTransport create() {
                    return mHttpTransport;
                }
            };            

            com.google.auth.oauth2.GoogleCredentials credential = com.google.auth.oauth2.GoogleCredentials.getApplicationDefault(hf);
            if (credential.createScopedRequired())
                credential = credential.createScoped(Arrays.asList("https://www.googleapis.com/auth/devstorage.read_write"));

            TransportOptions options = HttpTransportOptions.newBuilder().setHttpTransportFactory(hf).build();            
            com.google.cloud.storage.Storage storage = com.google.cloud.storage.StorageOptions.newBuilder()
                .setCredentials(credential)
                .setProjectId("mineral-minutia-820")
                .setTransportOptions(options)
                .build().getService();
            
            System.out.println("My buckets:");        
            for (com.google.cloud.storage.Bucket bucket : storage.list().iterateAll()) 
              System.out.println(bucket);              
          
        } 
        catch (Exception ex) {
            System.out.println("Error:  " + ex);
        }
    
    }
 

/**
 * Provide a {@link TransportOptions} backed by Apache HTTP Client.
 *
 * @see ApacheHttpTransport
 * @return customized {@link TransportOptions} to use for our Google client instances
 */
TransportOptions transportOptions() {
  return HttpTransportOptions.newBuilder()
      .setHttpTransportFactory(() -> new ApacheHttpTransport(newHttpClient()))
      .build();
}