diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -219,6 +219,7 @@
     'ArcanistRuboCopLinterTestCase' => 'lint/linter/__tests__/ArcanistRuboCopLinterTestCase.php',
     'ArcanistRubyLinter' => 'lint/linter/ArcanistRubyLinter.php',
     'ArcanistRubyLinterTestCase' => 'lint/linter/__tests__/ArcanistRubyLinterTestCase.php',
+    'ArcanistScalastyleLinter' => 'lint/linter/ArcanistScalastyleLinter.php',
     'ArcanistScriptAndRegexLinter' => 'lint/linter/ArcanistScriptAndRegexLinter.php',
     'ArcanistSelfMemberReferenceXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistSelfMemberReferenceXHPASTLinterRule.php',
     'ArcanistSemicolonSpacingXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistSemicolonSpacingXHPASTLinterRule.php',
@@ -505,6 +506,7 @@
     'ArcanistRuboCopLinterTestCase' => 'ArcanistExternalLinterTestCase',
     'ArcanistRubyLinter' => 'ArcanistExternalLinter',
     'ArcanistRubyLinterTestCase' => 'ArcanistExternalLinterTestCase',
+    'ArcanistScalastyleLinter' => 'ArcanistExternalLinter',
     'ArcanistScriptAndRegexLinter' => 'ArcanistLinter',
     'ArcanistSelfMemberReferenceXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
     'ArcanistSemicolonSpacingXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
diff --git a/src/lint/linter/ArcanistScalastyleLinter.php b/src/lint/linter/ArcanistScalastyleLinter.php
new file mode 100644
--- /dev/null
+++ b/src/lint/linter/ArcanistScalastyleLinter.php
@@ -0,0 +1,124 @@
+<?php
+
+/**
+ * Scalastyle linter for Arcanist.
+ */
+final class ArcanistScalastyleLinter extends ArcanistExternalLinter {
+  private $configPath = null;
+  private $jarPath = null;
+
+  public function getDefaultBinary() {
+    return 'java';
+  }
+
+  public function getInstallInstructions() {
+    return pht('Download scalastyle-batch jar from '.
+      'http://www.scalastyle.org/command-line.html and set the jarPath');
+  }
+
+  public function getInfoURI() {
+    return 'http://www.scalastyle.org';
+  }
+
+  public function getInfoDescription() {
+    return pht('Scalastyle linter');
+  }
+
+  public function getLinterConfigurationName() {
+    return 'scalastyle';
+  }
+
+  protected function getMandatoryFlags() {
+    return array(
+      '-jar',
+      $this->jarPath,
+      '--config',
+      $this->configPath,
+      '--quiet',
+      'true',
+    );
+  }
+
+  public function getLinterConfigurationOptions() {
+    return parent::getLinterConfigurationOptions() + array(
+      'scalastyle.config' => array(
+        'type' => 'string',
+        'help' => pht('Path to the scalastyle-configuration.xml'),
+      ),
+      'scalastyle.jar' => array(
+        'type' => 'string',
+        'help' => pht('Path to the scalastyle-batch jar file'),
+      ),
+    );
+  }
+
+  public function setLinterConfigurationValue($key, $value) {
+    switch ($key) {
+      case 'scalastyle.config':
+        $this->configPath = Filesystem::resolvePath($value,
+          $this->getProjectRoot());
+        if (!file_exists($this->configPath)) {
+          throw new ArcanistMissingLinterException(
+            pht('Unable to locate scalastyle configuration at "%s"',
+              $this->configPath));
+        }
+        return;
+      case 'scalastyle.jar':
+        $this->jarPath = Filesystem::resolvePath($value,
+          $this->getProjectRoot());
+        if (!file_exists($this->jarPath)) {
+          throw new ArcanistMissingLinterException(
+            pht('Unable to locate scalastyle jar at "%s"',
+              $this->jarPath));
+        }
+        return;
+    }
+
+    parent::setLinterConfigurationValue($key, $value);
+  }
+
+  protected function parseLinterOutput($path, $err, $stdout, $stderr) {
+    $output_pattern = '/^(?P<severity>warning|error|exception) '.
+      'file=(?P<path>.*) message=(?P<description>.*) line=(?P<line>\d+)'.
+      '(?: column=(?P<char>\d+))?$/';
+    $messages = array();
+    $lines = explode(PHP_EOL, trim($stdout));
+
+    foreach ($lines as $line) {
+      $matches = null;
+      if (preg_match($output_pattern, $line, $matches)) {
+        $message = new ArcanistLintMessage();
+        $message->setCode($this->getLinterName());
+        $message->setSeverity(
+          $this->mapScalastyleSeverity($matches['severity']));
+        $message->setPath($matches['path']);
+        $message->setDescription($matches['description']);
+        $message->setLine($matches['line']);
+        if (array_key_exists('char', $matches)) {
+          $message->setChar($matches['char']);
+        }
+        $messages[] = $message;
+      }
+    }
+
+    return $messages;
+  }
+
+  public function getLinterName() {
+    return 'scalastyle';
+  }
+
+  private function mapScalastyleSeverity($severity) {
+    switch ($severity) {
+      case 'warning':
+        return ArcanistLintSeverity::SEVERITY_WARNING;
+      case 'error':
+        return ArcanistLintSeverity::SEVERITY_ERROR;
+      case 'exception':
+        return ArcanistLintSeverity::SEVERITY_DISABLED;
+    }
+    throw new Exception(
+      pht('Unrecognized scalastyle severity "%s"', $severity),
+      $this->getLinterName());
+  }
+}