Tweaks again

- Spacing in Javadoc
- Precise caught exception
- Implicit UTF8

Author: Gabriel-Darbord

src/main/java/fr/bl/drit/flow/agent/AgentMain.java

@@ -40,11 +40,9 @@
  *   <li>ids (optional) -> path to existing method ID mapping file
  * </ul>
  *
- * <pre>
- * <code class="language-properties">
+ * <pre><code class="language-properties">
  * Minimal example: target=com.myapp.,out=/tmp/flow/
- * </code>
- * </pre>
+ * </code></pre>
  *
  * Use the {@code optimize} argument to optimize method IDs by leveraging an existing mapping of
  * method IDs and flow files. Method IDs are natural numbers. Those that are called more frequently
@@ -54,12 +52,10 @@
  * using the {@code ids} argument. Refer to the {@link MethodIdRemapper} class comment for more
  * details about the optimization process.
  *
- * <pre>
- * <code class="language-properties">
+ * <pre><code class="language-properties">
  * Example with optimization: target=com.myapp.,optimize=/tmp/flow/,out=/tmp/optimized-flow/
  * Then reuse optimized mapping: target=com.myapp.,ids=/tmp/optimized-flow/ids.properties,out=/tmp/optimized-flow-2/
- * </code>
- * </pre>
+ * </code></pre>
  */
 public class AgentMain {
 
@@ -182,7 +178,7 @@ private static void init(String agentArgs, Instrumentation inst) {
                     }
 
                     System.out.println("[flow-agent] Flow written to " + outputDir);
-                  } catch (Exception e) {
+                  } catch (IOException e) {
                     System.err.println("[flow-agent] Failed to write flow: " + e);
                     e.printStackTrace();
                   }

src/main/java/fr/bl/drit/flow/agent/JsonlThreadRecorder.java

@@ -4,7 +4,6 @@
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
-import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardOpenOption;
@@ -39,8 +38,7 @@ public JsonlThreadRecorder(Path outputDir) throws IOException {
                     outputDir.resolve(this.fileName),
                     StandardOpenOption.CREATE,
                     StandardOpenOption.WRITE,
-                    StandardOpenOption.TRUNCATE_EXISTING),
-                StandardCharsets.UTF_8),
+                    StandardOpenOption.TRUNCATE_EXISTING)),
             64 * 1024);
   }