get proxy support in place

fixes #16

lib/jar_dependencies.rb

@@ -18,6 +18,7 @@
 # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
+require 'jars/maven_settings'
 module Jars
   unless defined? Jars::SKIP_LOCK
     MAVEN_SETTINGS = 'JARS_MAVEN_SETTINGS'.freeze
@@ -151,60 +152,24 @@ def lock_path( basedir = nil )
 
     def reset
       instance_variables.each { |var| instance_variable_set(var, nil) }
+      Jars::MavenSettings.reset
       ( @@jars ||= {} ).clear
     end
 
     def maven_local_settings
-      unless instance_variable_defined?(:@_jars_maven_local_settings_)
-        @_jars_maven_local_settings_ = nil
-      end
-      if @_jars_maven_local_settings_.nil?
-        if settings = absolute( 'settings.xml' )
-          if File.exists?(settings)
-            @_jars_maven_local_settings_ = settings
-          end
-        end
-      end
-      @_jars_maven_local_settings_ || nil
+      Jars::MavenSettings.local_settings
     end
 
     def maven_user_settings
-      unless instance_variable_defined?(:@_jars_maven_user_settings_)
-        @_jars_maven_user_settings_ = nil
-      end
-      if @_jars_maven_user_settings_.nil?
-        if settings = absolute( to_prop( MAVEN_SETTINGS ) )
-          unless File.exists?(settings)
-            Jars.warn { "configured ENV['#{MAVEN_SETTINGS}'] = '#{settings}' not found" }
-            settings = false
-          end
-        else # use maven default (user) settings
-          settings = File.join( user_home, '.m2', 'settings.xml' )
-          settings = false unless File.exists?(settings)
-        end
-        @_jars_maven_user_settings_ = settings
-      end
-      @_jars_maven_user_settings_ || nil
+      Jars::MavenSettings.user_settings
     end
 
     def maven_settings
-      maven_local_settings || maven_user_settings
+      Jars::MavenSettings.settings
     end
 
     def maven_global_settings
-      unless instance_variable_defined?(:@_jars_maven_global_settings_)
-        @_jars_maven_global_settings_ = nil
-      end
-      if @_jars_maven_global_settings_.nil?
-          if mvn_home = ENV[ 'M2_HOME' ] || ENV[ 'MAVEN_HOME' ]
-            settings = File.join( mvn_home, 'conf/settings.xml' )
-            settings = false unless File.exists?(settings)
-          else
-            settings = false
-          end
-          @_jars_maven_global_settings_ = settings
-      end
-      @_jars_maven_global_settings_ || nil
+      Jars::MavenSettings.global_settings
     end
 
     def local_maven_repo
@@ -297,6 +262,20 @@ def debug(msg = nil, &block)
       Kernel.warn(msg || block.call) if verbose?
     end
 
+    def absolute( file )
+      File.expand_path( file ) if file
+    end
+
+    def user_home
+      ENV[ 'HOME' ] || begin
+        user_home = Dir.home if Dir.respond_to?(:home)
+        unless user_home
+          user_home = ENV_JAVA[ 'user.home' ] if Object.const_defined?(:ENV_JAVA)
+        end
+        user_home
+      end
+    end
+
     private
 
     def require_jar_with_block( group_id, artifact_id, *classifier_version )
@@ -319,20 +298,6 @@ def require_jar_with_block( group_id, artifact_id, *classifier_version )
       end
     end
 
-    def absolute( file )
-      File.expand_path( file ) if file
-    end
-
-    def user_home
-      ENV[ 'HOME' ] || begin
-        user_home = Dir.home if Dir.respond_to?(:home)
-        unless user_home
-          user_home = ENV_JAVA[ 'user.home' ] if Object.const_defined?(:ENV_JAVA)
-        end
-        user_home
-      end
-    end
-
     def detect_local_repository(settings)
       return nil unless settings
 

lib/jars/maven_factory.rb

@@ -71,7 +71,7 @@ def setup( maven )
       maven[ 'verbose' ] = (@debug || @verbose) == true
 
       if Jars.maven_settings
-        maven.options[ '-s' ] = Jars.maven_settings
+        maven.options[ '-s' ] = Jars::MavenSettings.effective_settings
       end
 
       maven[ 'maven.repo.local' ] = "#{java.io.File.new( Jars.local_maven_repo ).absolute_path}"

lib/jars/maven_settings.rb

@@ -0,0 +1,139 @@
+require 'jar_dependencies'
+require 'rubygems/request'
+require 'rubygems/uri_formatter'
+module Jars
+  class MavenSettings
+
+    LINE_SEPARATOR = java.lang.System.line_separator
+
+    class << self
+
+      def local_settings
+        unless instance_variable_defined?(:@_jars_maven_local_settings_)
+          @_jars_maven_local_settings_ = nil
+        end
+        if @_jars_maven_local_settings_.nil?
+          if settings = Jars.absolute( 'settings.xml' )
+            if File.exists?(settings)
+              @_jars_maven_local_settings_ = settings
+            end
+          end
+        end
+        @_jars_maven_local_settings_ || nil
+      end
+
+      def user_settings
+        unless instance_variable_defined?(:@_jars_maven_user_settings_)
+          @_jars_maven_user_settings_ = nil
+        end
+        if @_jars_maven_user_settings_.nil?
+          if settings = Jars.absolute( Jars.to_prop( MAVEN_SETTINGS ) )
+            unless File.exists?(settings)
+              Jars.warn { "configured ENV['#{MAVEN_SETTINGS}'] = '#{settings}' not found" }
+              settings = false
+            end
+          else # use maven default (user) settings
+            settings = File.join( Jars.user_home, '.m2', 'settings.xml' )
+            settings = false unless File.exists?(settings)
+          end
+          @_jars_maven_user_settings_ = settings
+        end
+        @_jars_maven_user_settings_ || nil
+      end
+
+      def effective_settings
+        unless instance_variable_defined?(:@_jars_effective_maven_settings_)
+          @_jars_effective_maven_settings_ = nil
+        end
+        if @_jars_effective_maven_settings_.nil?
+          http = Gem::Request.proxy_uri(Gem.configuration[:http_proxy] || Gem::Request.get_proxy_from_env('http'))
+          https = Gem::Request.proxy_uri(Gem.configuration[:https_proxy] || Gem::Request.get_proxy_from_env('https'))
+          if http.nil? && https.nil?
+            @_jars_effective_maven_settings_ = settings
+          else
+            @_jars_effective_maven_settings_ =
+              setup_interpolated_settings(http, https) || settings
+          end
+        end
+        @_jars_effective_maven_settings_
+      end
+
+      def cleanup
+        if effective_settings != settings
+          File.unlink(effective_settings)
+        end
+      ensure
+        reset
+      end
+
+      def reset
+        instance_variables.each { |var| instance_variable_set(var, nil) }
+      end
+
+      def settings
+        unless instance_variable_defined?(:@_jars_maven_settings_)
+          @_jars_maven_settings_ = nil
+        end
+        if @_jars_maven_settings_.nil?
+          local_settings || user_settings
+        end
+      end
+
+      def global_settings
+        unless instance_variable_defined?(:@_jars_maven_global_settings_)
+          @_jars_maven_global_settings_ = nil
+        end
+        if @_jars_maven_global_settings_.nil?
+          if mvn_home = ENV[ 'M2_HOME' ] || ENV[ 'MAVEN_HOME' ]
+            settings = File.join( mvn_home, 'conf/settings.xml' )
+            settings = false unless File.exists?(settings)
+          else
+            settings = false
+          end
+          @_jars_maven_global_settings_ = settings
+        end
+        @_jars_maven_global_settings_ || nil
+      end
+
+      private
+
+      def setup_interpolated_settings(http, https)
+        proxy = raw_proxy_settings_xml(http, https).gsub("\n", LINE_SEPARATOR)
+        if settings.nil?
+          raw = "<settings>#{LINE_SEPARATOR}#{proxy}</settings>"
+        else
+          raw = File.read(settings)
+          if raw.includes?('<proxy>')
+            Jars.info("can not interpolated proxy info for #{settings}")
+            return
+          else
+            raw.sub!("<settings>", "<settings>#{LINE_SEPARATOR}#{proxy}")
+          end
+        end
+        tempfile = java.io.File.create_temp_file('settings', '.xml')
+        tempfile.delete_on_exit
+        File.write(tempfile.path, raw)
+        tempfile.path
+      end
+
+      def raw_proxy_settings_xml(http, https)
+        raw = File.read(File.join(File.dirname(__FILE__), 'settings.xml'))
+        if http
+          raw.sub!('__HTTP_ACTIVE__', 'true')
+          raw.sub!('__HTTP_SERVER__', http.host)
+          raw.sub!('__HTTP_PORT__', http.port.to_s)
+        else
+          raw.sub!('__HTTP_ACTIVE__', 'false')    
+        end
+        if https
+          raw.sub!('__HTTPS_ACTIVE__', 'true')
+          raw.sub!('__HTTPS_SERVER__', https.host)
+          raw.sub!('__HTTPS_PORT__', https.port.to_s)
+        else
+          raw.sub!('__HTTPS_ACTIVE__', 'false')
+        end
+        raw
+      end
+    end
+  end
+end

lib/jars/settings.xml

@@ -0,0 +1,20 @@
+  <proxies>
+    <proxy>
+      <active>__HTTP_ACTIVE__</active>
+      <protocol>http</protocol>
+      <host>__HTTP_SERVER__</host>
+      <port>__HTTP_PORT__</port>
+      <!--nonProxyHosts>
+        www.oracle.com|localhost|127.0.0.1
+      </nonProxyHosts-->
+    </proxy>
+    <proxy>
+      <active>__HTTPS_ACTIVE__</active>
+      <protocol>https</protocol>
+      <host>__HTTPS_SERVER__</host>
+      <port>__HTTPS_PORT__</port>
+      <!--nonProxyHosts>
+        www.oracle.com|localhost|127.0.0.1
+      </nonProxyHosts-->
+    </proxy>
+  </proxies>

lib/jars/version.rb

@@ -1,5 +1,5 @@
 module Jars
-  VERSION = '0.3.5'.freeze
+  VERSION = '0.3.6'.freeze
   JRUBY_PLUGINS_VERSION = '1.1.3'.freeze
   DEPENDENCY_PLUGIN_VERSION = '2.8'.freeze
 end