From f98545cb413c63006c3ba23e209f5f3f76556bad Mon Sep 17 00:00:00 2001
From: Eliot Jordan <eliotj@princeton.edu>
Date: Fri, 30 Sep 2022 13:19:53 -0500
Subject: [PATCH] Add an optional config file path parameter

---
 lib/ruby_tika_app.rb          |  4 ++--
 spec/fixtures/tika-config.xml | 13 +++++++++++++
 spec/ruby_tika_app_spec.rb    |  8 ++++++++
 3 files changed, 23 insertions(+), 2 deletions(-)
 create mode 100644 spec/fixtures/tika-config.xml

diff --git a/lib/ruby_tika_app.rb b/lib/ruby_tika_app.rb
index 2867c5f..8037561 100644
--- a/lib/ruby_tika_app.rb
+++ b/lib/ruby_tika_app.rb
@@ -18,7 +18,7 @@ def initialize(status)
     end
   end
 
-  def initialize(document)
+  def initialize(document, config_path = nil)
     @document = if (document =~ %r{https?:\/\/[\S]+}) == 0
                   document
                 else
@@ -29,7 +29,7 @@ def initialize(document)
     java_args = '-server -Djava.awt.headless=true -Dfile.encoding=UTF-8'
     ext_dir = File.join(File.dirname(__FILE__))
     tika_path = "#{ext_dir}/../ext/tika-app-#{TIKA_APP_VERSION}.jar"
-    tika_config_path = "#{ext_dir}/../ext/tika-config.xml"
+    tika_config_path = config_path || "#{ext_dir}/../ext/tika-config.xml"
 
     @tika_cmd = "#{java_cmd} #{java_args} -jar '#{tika_path}' --config='#{tika_config_path}'"
   end
diff --git a/spec/fixtures/tika-config.xml b/spec/fixtures/tika-config.xml
new file mode 100644
index 0000000..6b2990d
--- /dev/null
+++ b/spec/fixtures/tika-config.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<properties>
+  <service-loader initializableProblemHandler="ignore"/>
+  <parsers>
+    <!-- Default Parser for most things, except for 2 mime types, and never
+         use the Executable Parser -->
+    <parser class="org.apache.tika.parser.DefaultParser">
+      <mime-exclude>image/jpeg</mime-exclude>
+      <mime-exclude>application/x-sqlite3</mime-exclude>
+      <parser-exclude class="org.apache.tika.parser.jdbc.SQLite3Parser"/>
+    </parser>
+  </parsers>
+</properties>
diff --git a/spec/ruby_tika_app_spec.rb b/spec/ruby_tika_app_spec.rb
index 7455dae..2e1f786 100644
--- a/spec/ruby_tika_app_spec.rb
+++ b/spec/ruby_tika_app_spec.rb
@@ -119,4 +119,12 @@
       expect(rta.to_text).to eq(RubyTikaApp.new(@news_ycombinator_com_file).to_text)
     end
   end
+
+  context 'with an alternate config file path' do
+    it 'works as expected' do
+      config_path = File.join(File.dirname(__FILE__), 'fixtures', 'tika-config.xml')
+      rta = RubyTikaApp.new(@test_file, config_path)
+      expect(rta.to_xml[0..37]).to eq('<?xml version="1.0" encoding="UTF-8"?>')
+    end
+  end
 end