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zimegClaude
zimeg
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Claude
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feat(methods): add chat.postMessage example (#48)
Co-authored-by: Claude <svc-devxp-claude@slack-corp.com>
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‎.github/workflows/test.yml‎

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matrix:
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showcase:
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- "block-kit"
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- "methods"
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steps:
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- name: Checkout code
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uses: actions/checkout@v7

‎README.md‎

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## Available demonstration
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- **[Block Kit](./block-kit)**: The framework of visual components arranged to create app layouts.
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- **[Methods](./methods)**: An interface for querying information from and enacting change in a Slack workspace.

‎methods/.gitignore‎

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.classpath
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.project
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.settings
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target

‎methods/README.md‎

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# Methods
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An interface for querying information from and enacting change in a Slack workspace.
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Read the [docs](https://docs.slack.dev/apis/web-api/) for explanations of concepts, or explore [reference](https://docs.slack.dev/reference/methods) pages for specific functionalities.
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## Making a request
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```sh
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$ cd methods # Navigate to the project root
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$ slack app settings # Create an app
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$ vim src/main/java/chat/ChatPostMessage.java # Edit arguments
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$ export SLACK_TOKEN=xoxb-example # Set if unchanged
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$ mvn compile exec:java -Dexec.mainClass=chat.ChatPostMessage # Make the request
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```
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## What's on call
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### chat
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- **[chat.postMessage](https://docs.slack.dev/reference/methods/chat.postmessage)**: Sends a message to a channel. [Implementation](./src/main/java/chat/ChatPostMessage.java).
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‎methods/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.slack.api</groupId>
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<artifactId>methods-examples</artifactId>
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<version>0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.15.0</version>
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<configuration>
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<release>17</release>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>3.5.1</version>
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<configuration>
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<cleanupDaemonThreads>false</cleanupDaemonThreads>
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</configuration>
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</plugin>
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<plugin>
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<groupId>com.diffplug.spotless</groupId>
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<artifactId>spotless-maven-plugin</artifactId>
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<version>3.7.0</version>
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<configuration>
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<formats>
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<format>
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<includes>
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<include>.gitignore</include>
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</includes>
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<trimTrailingWhitespace/>
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<endWithNewline/>
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<indent>
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<tabs>true</tabs>
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<spacesPerTab>4</spacesPerTab>
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</indent>
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</format>
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</formats>
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<java>
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<palantirJavaFormat/>
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</java>
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<pom/>
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<markdown>
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<includes>
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<include>**/*.md</include>
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</includes>
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<flexmark/>
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</markdown>
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</configuration>
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<executions>
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<execution>
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<goals>
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<goal>apply</goal>
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</goals>
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<phase>compile</phase>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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<dependencies>
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<dependency>
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<groupId>com.slack.api</groupId>
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<artifactId>slack-api-client</artifactId>
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<version>1.49.0</version>
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</dependency>
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</dependencies>
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</project>

‎methods/src/main/java/chat/ChatPostMessage.java‎

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package chat;
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import com.slack.api.Slack;
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import com.slack.api.methods.MethodsClient;
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import com.slack.api.methods.SlackApiException;
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import com.slack.api.methods.request.chat.ChatPostMessageRequest;
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import com.slack.api.methods.response.chat.ChatPostMessageResponse;
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import java.io.IOException;
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public class ChatPostMessage {
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public static void main(String[] args) throws IOException, SlackApiException {
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// Read a token from an environment variable
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String token = System.getenv("SLACK_TOKEN");
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// Initialize
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MethodsClient methods = Slack.getInstance().methods(token);
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// Call the chat.postMessage method
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ChatPostMessageRequest request = ChatPostMessageRequest.builder()
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.channel("C123ABC456")
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.text("Here's a message for you")
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.build();
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ChatPostMessageResponse response = methods.chatPostMessage(request);
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// Inspect the response
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System.out.println(response);
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}
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}

‎methods/src/main/java/chat/manifest.json‎

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{
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"display_information": {
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"name": "Slack API Methods",
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"description": "Example implementations to call \"chat\" methods"
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},
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"features": {
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"bot_user": {
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"display_name": "Slack API Methods",
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"always_online": true
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}
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},
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"oauth_config": {
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"scopes": {
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"bot": ["chat:write"]
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}
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},
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"settings": {
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"org_deploy_enabled": true,
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"socket_mode_enabled": false,
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"token_rotation_enabled": false
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}
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}

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