https://github.com/cosium/matrix-communication-client

A java client for the Matrix protocol.
https://github.com/cosium/matrix-communication-client

matrix

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A java client for the Matrix protocol.

• Host: GitHub
• URL: https://github.com/cosium/matrix-communication-client
• Owner: Cosium
• License: mit
• Created: 2023-06-28T21:09:24.000Z (almost 3 years ago)
• Default Branch: master
• Last Pushed: 2025-08-12T09:44:42.000Z (10 months ago)
• Last Synced: 2025-08-18T11:57:57.937Z (10 months ago)
• Topics: matrix
• Language: Java
• Homepage: https://matrix.org/
• Size: 94.7 KB
• Stars: 41
• Watchers: 5
• Forks: 10
• Open Issues: 5
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# Matrix Communication Client

A [Matrix](https://matrix.org/) java client.

# Example

```java

public class Example {

  public static void main(String[] args) {

    MatrixResources matrix =

        MatrixResources.factory()

            .builder()

            .https()

            .hostname("matrix.example.org")

            .defaultPort()

            .usernamePassword("jdoe", "secret")

            .build();

    RoomResource room = matrix

        .rooms()

        .create(

            CreateRoomInput.builder()

                .name("Science")

                .roomAliasName("science")

                .topic("Anything about science")

                .build());

	

    room.sendMessage(Message.builder().body("Hello !").formattedBody("Hello !").build());

  }

}

```

Another example with existing room:

```java

public class Example {

  public static void main(String[] args) {

    MatrixResources matrix =

        MatrixResources.factory()

            .builder()

            .https()

            .hostname("matrix.example.org")

            .defaultPort()

            .usernamePassword("jdoe", "secret")

            .build();

    RoomResource room = matrix

        .rooms()

        .byId("!PVvauSmjcHLwoAJkyT:matrix.example.org");

	

    room.sendMessage(Message.builder().body("Hello !").formattedBody("Hello !").build());

  }

}

```

# Dependency

```xml

  com.cosium.matrix_communication_client

  matrix-communication-client

  ${matrix-communication-client.version}

```