2011-02-07 51 views
1

我在Windows XP機器上安裝了JRuby 1.6.0。我也下載了Google gdata庫。此代碼:Windows中的JRuby和CLASSPATH

require "java" 
$CLASSPATH << "D:\\javalib\\gdata\\java\\lib\\*" 
include_class "com.google.gdata.client.docs" 

給出了這樣的錯誤:

org/jruby/javasupport/JavaClass.java:1052:in `for_name': cannot load Java class 
com.google.gdata.client.docs (NameError) 
     from org/jruby/javasupport/JavaUtilities.java:34:in `get_proxy_class' 
     from C:/jruby-1.6.0.RC1/lib/ruby/site_ruby/shared/builtin/javasupport/co 
re_ext/object.rb:46:in `java_import' 
     from C:/jruby-1.6.0.RC1/lib/ruby/site_ruby/shared/builtin/javasupport/co 
re_ext/object.rb:26:in `include_class' 
     from download_gdocs.rb:5:in `(root)' 

的谷歌gdata的Java庫是D:\javalib\gdata\java\lib。例如,如果我輸入jar tvf D:\javalib\gdata\java\lib\gdata-client-1.0.jar我得到的(部分)如下:

 0 Fri Feb 04 15:25:54 PST 2011 com/google/gdata/data/docs/ 
    904 Fri Feb 04 15:25:54 PST 2011 com/google/gdata/client/docs/DocsService$Versions.class 
    6686 Fri Feb 04 15:25:54 PST 2011 com/google/gdata/client/docs/DocsService.class 

回答

3

$CLASSPATH不支持的glob表達式。相反,require每個.jar單獨:

Dir["D:\\javalib\\gdata\\java\\lib\\*.jar"].each { |jar| require jar } 
+0

這似乎解決了我的問題之一。我會在另一篇文章中發表我的其他問題。 – rlandster 2011-02-08 05:11:41