Java api download file

Create an entity class, DocumnentStorageProperties. There's no need to create the table manually as I have set up spring. It will fire the DDL command when the application starts to create a table according to the Entity class defined in Java. Create a repository interface for the above entity to get built-in CRUD operations method support.

Add our own new method to check whether a particular file is present for that user or not. Create a Service class to store and download files on the server, and to store information in the database. Here I have used a few more new classes which I will be explaining in a later section of this article, so if you get any compilation issues, ignore them for the moment. There are two important methods in the Service class; one is storeFile , which will store the file at the required location and save the file details in the database.

Before storing the file, we will check whether a user has already given the type of file available, and if it is available, then replace the latest file on a server and update the database with the latest information. Find centralized, trusted content and collaborate around the technologies you use most. Connect and share knowledge within a single location that is structured and easy to search. I try to develop an api to open a file like word or pdf. I test with swagger this API but I have the error below.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 3 years, 7 months ago. Active 2 years, 8 months ago. Viewed 33k times. I tried this pathFile on the explorateur windows and it's works fine.

Improve this question. Serialization interface does not have any methods. It is a marker interface. It just tells the JVM that your class can be serializable. Insanity: doing the same thing over and over again and expecting different results.

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