Wrap OpenURI::HTTPError

lib/android_market_api.rb

@@ -5,3 +5,4 @@
 require File.expand_path(File.dirname(__FILE__) + "/android_market_api/version")
 require File.expand_path(File.dirname(__FILE__) + "/android_market_api/android_market")
 require File.expand_path(File.dirname(__FILE__) + "/android_market_api/util")
+require File.expand_path(File.dirname(__FILE__) + "/android_market_api/errors")

lib/android_market_api/errors.rb

@@ -0,0 +1,12 @@
+module AndroidMarketApi
+  class HTTPError < StandardError
+    attr_reader :status_code, :url, :cause
+
+    def initialize(message=nil, options={})
+      super(message)
+      @status_code = options[:status_code].to_i
+      @url = options[:url]
+      @cause = options[:cause]
+    end
+  end
+end

lib/android_market_api/util.rb

@@ -21,6 +21,10 @@ def get_content(url, options = {})
         header[name] = options[name] if options[name]
       end
       open(url, header).read
+    rescue OpenURI::HTTPError => e
+      e.message =~ /^([0-9]{3})/
+      status_code = $1
+      raise AndroidMarketApi::HTTPError.new("#{e.message} #{url}", :status_code => status_code, :url => url, :cause => e)
     end
 
     module_function :get_content

spec/util_spec.rb

@@ -59,5 +59,12 @@
         it{ expect{subject}.to raise_error }
       end
     end
+
+    context "invalid url" do
+      let(:url){ "http://google.com/fooooooooooo" }
+      let(:options){ {} }
+
+      it{ expect{ subject }.to raise_error AndroidMarketApi::HTTPError, "404 Not Found http://google.com/fooooooooooo" }
+    end
   end
 end