OAuth2Client

A simple OAuth2 client for Java.

This library has its API based on danielsz/oauth2-client.

Installation

Add the JitPack repository to your <repositories> list in the pom.xml file:

<repository>
  <id>jitpack.io</id>
  <url>https://jitpack.io</url>
</repository>

Then add the dependency to your pom.xml file:

<dependency>
  <groupId>com.github.mayconbordin</groupId>
  <artifactId>OAuth2Client</artifactId>
  <version>1.0</version>
</dependency>

For more information on how to build the library with other tools (Gradle, Sbt, Leiningen) see the JitPack documentation.

Usage

Client credentials grant

OAuth2Client client = OAuth2Client.withClientCredentialsGrant(
    "client_id", "client_secret", "scope_one,scope_two",
    "http://host/oauth/access_token"
);

AccessToken token = client.getAccessToken();

Password grant

OAuth2Client client = OAuth2Client.withPasswordGrant(
    "username", "password", "client_id", "client_secret",
    "scope_one,scope_two", "http://host/oauth/access_token"
);

AccessToken token = client.getAccessToken();
String resource = token.getResource("http://localhost/api/user_info");

Thrown Exceptions

• UnauthorizedClientException: if the client is not authorized to make the request.
• ServerErrorException: if the server has thrown and error.
• ResourceNotFoundException: if the request URI could not be found.
• ParseErrorException: if the response content can't be parsed.
• UnsupportedContentType: if the content type return from the provider is not supported.
• InvalidRequestException: if the request to the provider is malformed, with missing arguments.
• OAuth2Exception: any other error that occurs. All the other exceptions extend this one.