{"id":276,"date":"2011-03-22T18:43:23","date_gmt":"2011-03-22T16:43:23","guid":{"rendered":"http:\/\/blog.ansuz.nl\/?p=276"},"modified":"2011-03-22T18:48:19","modified_gmt":"2011-03-22T16:48:19","slug":"java-fullversion-triggers-progresseventstandard_error_data-in-air","status":"publish","type":"post","link":"http:\/\/blog.ansuz.nl\/index.php\/2011\/03\/22\/java-fullversion-triggers-progresseventstandard_error_data-in-air\/","title":{"rendered":"“java -fullversion” triggers ProgressEvent.STANDARD_ERROR_DATA in AIR"},"content":{"rendered":"

I’m building an AIR app and am using Java to offload some heavy duty work to keep Flash responsive. I want to make sure the end user has a version of Java installed the is compatible with the Jar I ship with my AIR app. To do so I use the following (pseudo) code below:<\/p>\n

\n\n\t\t
\n\n\t\t
\n\t\t\t\t\t\t< View plain text<\/span> ><\/a>\n\t\t\t\t\t<\/div>\n\n\t\t
code<\/div>\n\n\t\t\n\t\t
\n\n\t<\/div>\n\t\n\t
\n\t\t
  1. var args:Vector.&lt;String&gt; = new Vector.&lt;String&gt;();<\/div><\/li>\n
  2. args.push("-fullversion");<\/div><\/li>\n
  3.  <\/div><\/li>\n
  4. var info:NativeProcessStartupInfo = new NativeProcessStartupInfo();<\/div><\/li>\n
  5. info.executable = javaLocation;<\/div><\/li>\n
  6. info.arguments = args;<\/div><\/li>\n
  7.  <\/div><\/li>\n
  8. javaProcess = new NativeProcess();<\/div><\/li>\n
  9. javaProcess.addEventListener(ProgressEvent.STANDARD_OUTPUT_DATA, versionOutputHandler);<\/div><\/li>\n
  10. \/\/ Fun fact: -fullversion output is considered error data! :s<\/div><\/li>\n
  11. javaProcess.addEventListener(ProgressEvent.STANDARD_ERROR_DATA, versionOutputHandler);<\/div><\/li>\n
  12. javaProcess.addEventListener(NativeProcessExitEvent.EXIT, versionExitHandler);<\/div><\/li>\n
  13. javaProcess.addEventListener(IOErrorEvent.STANDARD_OUTPUT_IO_ERROR, versionErrorHandler);<\/div><\/li>\n
  14. javaProcess.addEventListener(IOErrorEvent.STANDARD_ERROR_IO_ERROR, versionErrorHandler);<\/div><\/li>\n
  15. javaProcess.start(info);<\/div><\/li>\n<\/ol>\t<\/div>\n\n<\/div>\n\n

    To my surprise the result of the call to “java -fullversion” is send to the standard error stream and thus triggering the ProgressEvent.STANDARD_ERROR_DATA<\/a> to be fired.<\/p>\n","protected":false},"excerpt":{"rendered":"

    I’m building an AIR app and am using Java to offload some heavy duty work to keep Flash responsive. I want to make sure the end user has a version of Java installed the is compatible with the Jar I … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,93,52],"tags":[],"class_list":["post-276","post","type-post","status-publish","format-standard","hentry","category-actionscript-30","category-air","category-java"],"_links":{"self":[{"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/posts\/276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/comments?post=276"}],"version-history":[{"count":4,"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/posts\/276\/revisions"}],"predecessor-version":[{"id":280,"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/posts\/276\/revisions\/280"}],"wp:attachment":[{"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/media?parent=276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/categories?post=276"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.ansuz.nl\/index.php\/wp-json\/wp\/v2\/tags?post=276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}