Does Google App Engine allow creation of files and folders on the server?

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I know Google App Engine offers free space, but I wonder if it's for storing data in its database only or does it also allow me to create files and directories on the server side to store my data ? For instance can I use the following method to save file ?

  public static void saveFile(String File_Path,StringBuffer Str_Buf,boolean Append)
  {
    FileOutputStream fos=null;
    BufferedOutputStream bos=null;

    try
    {
      fos=new FileOutputStream(File_Path,Append);
      bos=new BufferedOutputStream(fos);
      for (int j=0;j<Str_Buf.length();j++) bos.write(Str_Buf.charAt(j));
    }
    catch (Exception e) { e.printStackTrace(); }
    finally
    {
      try 
      {
        if (bos!=null)
        {
          bos.close();
          bos=null;
        }
        if (fos!=null)
        {
          fos.close();
          fos=null;
        }
      }
      catch (Exception ex) { ex.printStackTrace(); }
    }
  }

Reading and Writing Files, The two environments give users maximum flexibility in how their application behaves since each How to create a simple Go server on Google App Engine. Plus, App Engine automatically scales to support sudden traffic spikes without provisioning, patching, or monitoring. Below is a sample reference architecture for building a simple web app using App Engine and Google Cloud.

No, the file i/o is not allowed. you may use blobs to store images or text.

Structuring Web Services in App Engine, Building High-performance Java Apps with Google App Engine Adriaan de Jonge The command-line tools allow you to deploy a directory that is set up in the same a web archive (WAR) file except that an additional file, appengine-​web. xml, is can start the development server, you need to build your web application. Move into new folder / Create new folder. You can group run/debug configurations by placing them into folders. To create a folder, select the configurations within a category, click , and specify the folder name. If only a category is in focus, an empty folder is created.

New information. Answer is Yes, but you have to use their cloud storage for write access. You can not use regular files for your purpose.

https://developers.google.com/appengine/docs/java/googlecloudstorageclient/

It also has Python API as well as RESTful API.

Getting Started with App Engine (Go) - Codelabs, Learn how to host your server on Google App Engine so other people can use Simple file hosting will work for static files, but you need server-side hosting if Putting it all together, our web app directory should look like this: allow you to deploy your web app in the Google cloud… the same computers that run Google! If you downloaded a file, the file is in the default download folder on your local workstation. Transferring files using the gcloud command-line tool. The gcloud command-line tool provides an SCP file transfer utility, creating an SSH key pair for you the first time you connect. Your private key is stored on your local device and its

I think it should be mentioned that writing to the blobstore using the files API is now deprecated, and that Google is moving to cloud storage.

Essential App Engine: Building High-performance Java Apps with , Each Cloud Platform project can contain one App at the sample application's structure — the website folder contains your website content and app.yaml is your application configuration file. Google allows users to search the Web for images, news, products, video, and other content.

Hosting on Google App Engine, The SDK comes complete with a development web server that can be used for In this section you will learn how to get started using the Google App Engine SDK​, and This is a very simple Java application that allows one to sign in using an into the directory where you expanded the Google App Engine .zip file and run​  If your bucket contains folders, double click the folders to display their contents. Right click a bucket or a file within a bucket to copy its name to your clipboard. Getting Support To send feedback, report issues on GitHub, or ask a question on Stack Overflow.

How do you host your website on Google App Engine?, IntelliJ IDEA lets you create Google App Engine projects and upload your If no project is currently open in IntelliJ IDEA, click Create New Project on the Welcome screen. and select the installation folder of the required Google App Engine SDK in Add the name of the created application to the appengine-web.​xml file. App Engine offers you a choice between two environments for Java applications: standard environment and flexible environment. Both environments have the same code-centric developer workflow, scale quickly and efficiently to handle increasing demand, and enable you to use Google’s proven serving technology to build your web, mobile, and IoT applications quickly and with minimal operational

The Definitive Guide to Jython: Python for the Java Platform, PyCharm supports all major Google App Engine development practices. Google App Engine SDK is downloaded and installed on your computer. Google App Engine A dedicated project type with specific directory structure and configuration file. Ability to enable and configure Google App Engine support per project. Creating a website to host on Google App Engine Basic structure for the project. This guide uses the following structure for the project: app.yaml: Configure the settings of your App Engine application. www/: Directory to store all of your static files, such as HTML, CSS, images, and JavaScript. css/: Directory to store stylesheets.

Getting started with Google App Engine, In this field, type the additional options to be passed to the server. Refer to the following resources for details: Google App Engine command line arguments. Django server command line arguments. Run browser. Select this checkbox, if you want your Google App Engine application to open in the default browser.

Comments
  • This is redundant now, you can now save to temp folders as far as I can tell.
  • Hi.It is possible to store large Zip file in blobs
  • @ShreeshaS yes, the blobstore can store that. the free limit is 5gb of space, take note.