[java] read selenium manager output as UTF-8 #13653

Author: joerg1985

java/src/org/openqa/selenium/io/CircularOutputStream.java

@@ -85,19 +85,23 @@ public void close() {
   }
 
   @Override
-  public synchronized String toString() {
+  public String toString() {
+    return toString(Charset.defaultCharset());
+  }
+
+  public synchronized String toString(Charset encoding) {
     int size = filled ? buffer.length : end;
     byte[] toReturn = new byte[size];
 
     // Handle the partially filled array as a special case
     if (!filled) {
       System.arraycopy(buffer, 0, toReturn, 0, end);
-      return new String(toReturn, Charset.defaultCharset());
+      return new String(toReturn, encoding);
     }
 
     int n = buffer.length - end;
     System.arraycopy(buffer, end, toReturn, 0, n);
     System.arraycopy(buffer, 0, toReturn, n, end);
-    return new String(toReturn, Charset.defaultCharset());
+    return new String(toReturn, encoding);
   }
 }

java/src/org/openqa/selenium/manager/SeleniumManager.java

@@ -23,6 +23,7 @@
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -141,7 +142,7 @@ private static Result runCommand(Path binary, List<String> arguments) {
         process.shutdown();
       }
       code = process.exitValue();
-      output = process.getOutput();
+      output = process.getOutput(StandardCharsets.UTF_8);
     } catch (Exception e) {
       throw new WebDriverException("Failed to run command: " + arguments, e);
     }

java/src/org/openqa/selenium/os/ExternalProcess.java

@@ -24,6 +24,7 @@
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.UncheckedIOException;
+import java.nio.charset.Charset;
 import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -254,7 +255,18 @@ public ExternalProcess(Process process, CircularOutputStream outputStream, Threa
    * @return stdout and stderr as String in Charset.defaultCharset() encoding
    */
   public String getOutput() {
-    return outputStream.toString();
+    return getOutput(Charset.defaultCharset());
+  }
+
+  /**
+   * The last N bytes of the combined stdout and stderr as String, the value of N is set while
+   * building the OsProcess.
+   *
+   * @param encoding the encoding to decode the stream
+   * @return stdout and stderr as String in the given encoding
+   */
+  public String getOutput(Charset encoding) {
+    return outputStream.toString(encoding);
   }
 
   public boolean isAlive() {