1 files changed, 76 insertions, 0 deletions
diff --git a/lib/puppet/file_serving/base.rb b/lib/puppet/file_serving/base.rb
new file mode 100644
index 000000000..1cfd0bc4c
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+++ b/lib/puppet/file_serving/base.rb
@@ -0,0 +1,76 @@
+#
+#  Created by Luke Kanies on 2007-10-22.
+#  Copyright (c) 2007. All rights reserved.
+
+require 'puppet/file_serving'
+
+# The base class for Content and Metadata; provides common
+# functionality like the behaviour around links.
+class Puppet::FileServing::Base
+    attr_accessor :key
+
+    # Does our file exist?
+    def exist?
+        begin
+            stat
+            return true
+        rescue => detail
+            return false
+        end
+    end
+
+    # Return the full path to our file.  Fails if there's no path set.
+    def full_path
+        raise(ArgumentError, "You must set a path to get a file's path") unless self.path
+
+        if relative_path.nil? or relative_path == ""
+            path
+        else
+            File.join(path, relative_path)
+        end
+    end
+
+    def initialize(key, options = {})
+        @key = key
+        @links = :manage
+
+        options.each do |param, value|
+            begin
+                send param.to_s + "=", value
+            rescue NoMethodError
+                raise ArgumentError, "Invalid option %s for %s" % [param, self.class]
+            end
+        end
+    end
+
+    # Determine how we deal with links.
+    attr_reader :links
+    def links=(value)
+        value = :manage if value == :ignore
+        raise(ArgumentError, ":links can only be set to :manage or :follow") unless [:manage, :follow].include?(value) 
+        @links = value
+    end
+
+    # Set our base path.
+    attr_reader :path
+    def path=(path)
+        raise ArgumentError.new("Paths must be fully qualified") unless path =~ /^#{::File::SEPARATOR}/
+        @path = path
+    end
+
+    # Set a relative path; this is used for recursion, and sets
+    # the file's path relative to the initial recursion point.
+    attr_reader :relative_path
+    def relative_path=(path)
+        raise ArgumentError.new("Relative paths must not be fully qualified") if path =~ /^#{::File::SEPARATOR}/
+        @relative_path = path
+    end
+
+    # Stat our file, using the appropriate link-sensitive method.
+    def stat
+        unless defined?(@stat_method)
+            @stat_method = self.links == :manage ? :lstat : :stat
+        end
+        File.send(@stat_method, full_path())
+    end
+end