Merge branch 'colorize'

Author: nebhale

lib/java_buildpack/buildpack.rb

@@ -25,6 +25,7 @@
 require 'java_buildpack/component/mutable_java_home'
 require 'java_buildpack/component/security_providers'
 require 'java_buildpack/logging/logger_factory'
+require 'java_buildpack/util/colorize'
 require 'java_buildpack/util/configuration_utils'
 require 'java_buildpack/util/constantize'
 require 'java_buildpack/util/snake_case'
@@ -100,7 +101,7 @@ def release
 
     private
 
-    BUILDPACK_MESSAGE = '-----> Java Buildpack Version: %s'.freeze
+    BUILDPACK_MESSAGE = "#{'----->'.red.bold} #{'Java Buildpack'.blue.bold} %s".freeze
 
     LOAD_ROOT = (Pathname.new(__FILE__).dirname + '..').freeze
 

lib/java_buildpack/buildpack_version.rb

@@ -83,15 +83,15 @@ def to_hash
     # @return [String] a +String+ representation of the version
     def to_s(human_readable = true)
       s = []
-      s << @version if @version
-      s << (human_readable ? '(offline)' : 'offline') if @offline
+      s << @version.blue if @version
+      s << (human_readable ? '(offline)'.blue : 'offline') if @offline
 
       if remote_string
         s << '|' if @version && human_readable
         s << remote_string
       end
 
-      s << 'unknown' if s.empty?
+      s << 'unknown'.yellow if s.empty?
       s.join(human_readable ? ' ' : '-')
     end
 

lib/java_buildpack/component/base_component.rb

@@ -16,6 +16,7 @@
 require 'fileutils'
 require 'java_buildpack/component'
 require 'java_buildpack/util/cache/application_cache'
+require 'java_buildpack/util/colorize'
 require 'java_buildpack/util/format_duration'
 require 'java_buildpack/util/shell'
 require 'java_buildpack/util/space_case'
@@ -86,10 +87,10 @@ def release
       # @return [Void]
       def download(version, uri, name = @component_name)
         download_start_time = Time.now
-        print "-----> Downloading #{name} #{version} from #{uri.sanitize_uri} "
+        print "#{'----->'.red.bold} Downloading #{name.blue.bold} #{version.to_s.blue} from #{uri.sanitize_uri} "
 
         JavaBuildpack::Util::Cache::ApplicationCache.new.get(uri) do |file, downloaded|
-          puts downloaded ? "(#{(Time.now - download_start_time).duration})" : '(found in cache)'
+          puts downloaded ? "(#{(Time.now - download_start_time).duration})".green.italic : '(found in cache)'.green.italic
           yield file
         end
       end
@@ -167,7 +168,7 @@ def with_timing(caption)
 
         yield
 
-        puts "(#{(Time.now - start_time).duration})"
+        puts "(#{(Time.now - start_time).duration})".green.italic
       end
 
       private

lib/java_buildpack/util/colorize.rb

@@ -0,0 +1,102 @@
+# Cloud Foundry Java Buildpack
+# Copyright 2013-2017 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+class String
+
+  def bg_black
+    "\e[40m#{self}\e[0m"
+  end
+
+  def bg_blue
+    "\e[44m#{self}\e[0m"
+  end
+
+  def bg_brown
+    "\e[43m#{self}\e[0m"
+  end
+
+  def bg_cyan
+    "\e[46m#{self}\e[0m"
+  end
+
+  def bg_gray
+    "\e[47m#{self}\e[0m"
+  end
+
+  def bg_green
+    "\e[42m#{self}\e[0m"
+  end
+
+  def bg_magenta
+    "\e[45m#{self}\e[0m"
+  end
+
+  def bg_red
+    "\e[41m#{self}\e[0m"
+  end
+
+  def black
+    "\e[30m#{self}\e[0m"
+  end
+
+  def blink
+    "\e[5m#{self}\e[25m"
+  end
+
+  def blue
+    "\e[34m#{self}\e[0m"
+  end
+
+  def bold
+    "\e[1m#{self}\e[22m"
+  end
+
+  def brown
+    "\e[33m#{self}\e[0m"
+  end
+
+  def cyan
+    "\e[36m#{self}\e[0m"
+  end
+
+  def gray
+    "\e[37m#{self}\e[0m"
+  end
+
+  def green
+    "\e[32m#{self}\e[0m"
+  end
+
+  def italic
+    "\e[3m#{self}\e[23m"
+  end
+
+  def magenta
+    "\e[35m#{self}\e[0m"
+  end
+
+  def red
+    "\e[31m#{self}\e[0m"
+  end
+
+  def reverse_color
+    "\e[7m#{self}\e[27m"
+  end
+
+  def underline
+    "\e[4m#{self}\e[24m"
+  end
+
+end