{"id":1454,"date":"2013-08-11T20:51:03","date_gmt":"2013-08-11T23:51:03","guid":{"rendered":"https:\/\/devkico.itexto.com.br\/?p=1454"},"modified":"2013-08-11T22:03:59","modified_gmt":"2013-08-12T01:03:59","slug":"aprimorando-seguranca-de-scripts-na-jvm-script-eterno-video","status":"publish","type":"post","link":"https:\/\/devkico.itexto.com.br\/?p=1454","title":{"rendered":"Melhorando a seguran\u00e7a de scripts na JVM: o script eterno &#8211; v\u00eddeo"},"content":{"rendered":"<p><a href=\"http:\/\/www.youtube.com\/watch?v=rjN3S0JiMzc\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1455 alignleft\" alt=\"scriptEtenro\" src=\"https:\/\/devkico.itexto.com.br\/wp-content\/uploads\/2013\/08\/scriptEtenro.jpg\" width=\"300\" height=\"169\" \/><\/a>No v\u00eddeo anterior mostrei como \u00e9 poss\u00edvel tornar sistemas Java f\u00e1cilmente extens\u00edveis embarcando uma linguagem de script &#8211; no caso Groovy, \u00e9 claro &#8211; em seu projeto. Agora come\u00e7o a mostrar como evitar boa parte dos perigos que esta t\u00e9cnica tr\u00e1s para seus sitemas.<\/p>\n<p>Inicialmente este v\u00eddeo era parte de um outro bem maior: no entanto, para facilitar a sua vida e a minha, estou dividindo este v\u00eddeo em partes expondo estas amea\u00e7as uma a uma, a come\u00e7ar pela que chamo de &#8220;script eterno&#8221;, ou seja, aquele c\u00f3digo n\u00e3o necess\u00e1riamente malicioso cuja execu\u00e7\u00e3o jamais termina. Exponho aqui ao menos as diretrizes que voc\u00ea deve seguir para evitar o problema.<\/p>\n<p>Este v\u00eddeo fala bastante sobre a API Concurrent do Java. Caso ainda n\u00e3o tenha dom\u00ednio sobre esta, recomendo a leitura dos links a seguir:<\/p>\n<h2><a href=\"https:\/\/devkico.itexto.com.br\/wp-content\/uploads\/2013\/08\/scriptEtenro.jpg\">\u00a0<\/a>Refer\u00eancias<\/h2>\n<p>Programa\u00e7\u00e3o concorrente e Threads (da excelente apostila aberta da Caelum):\u00a0<a href=\"http:\/\/www.caelum.com.br\/apostila-java-orientacao-objetos\/programacao-concorrente-e-threads\/\">http:\/\/www.caelum.com.br\/apostila-java-orientacao-objetos\/programacao-concorrente-e-threads\/<\/a><\/p>\n<p>Sobre os pools de thread em Java:\u00a0<a href=\"http:\/\/docs.oracle.com\/javase\/tutorial\/essential\/concurrency\/pools.html\">http:\/\/docs.oracle.com\/javase\/tutorial\/essential\/concurrency\/pools.html<\/a><\/p>\n<h2>C\u00f3digo fonte do v\u00eddeo<\/h2>\n<p>Link para o reposit\u00f3rio no GitHub:\u00a0<a href=\"https:\/\/github.com\/loboweissmann\/groovy-grails-na-pratica\">https:\/\/github.com\/loboweissmann\/groovy-grails-na-pratica<\/a><br \/>\nBusque pelo projeto contido no diret\u00f3rio &#8220;embarcando_groovy_seguran\u00e7a&#8221; &#8211; Nota: h\u00e1 material incompleto do pr\u00f3ximo v\u00eddeo l\u00e1 dentro (shame on me).<\/p>\n<h2>E o v\u00eddeo?<\/h2>\n<p>Ah: aqui o link\u00a0<a href=\"http:\/\/www.youtube.com\/watch?v=rjN3S0JiMzc\">http:\/\/www.youtube.com\/watch?v=rjN3S0JiMzc<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>No v\u00eddeo anterior mostrei como \u00e9 poss\u00edvel tornar sistemas Java f\u00e1cilmente extens\u00edveis embarcando uma linguagem de script &#8211; no caso Groovy, \u00e9 claro &#8211; em seu projeto. Agora come\u00e7o a mostrar como evitar boa parte dos perigos que esta t\u00e9cnica tr\u00e1s para seus sitemas. Inicialmente este v\u00eddeo era parte de um outro bem maior: no [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1455,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5,1],"tags":[],"class_list":["post-1454","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-groovy","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Melhorando a seguran\u00e7a de scripts na JVM: o script eterno - v\u00eddeo - \/dev\/Kico<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/devkico.itexto.com.br\/?p=1454\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Melhorando a seguran\u00e7a de scripts na JVM: o script eterno - v\u00eddeo - \/dev\/Kico\" \/>\n<meta property=\"og:description\" content=\"No v\u00eddeo anterior mostrei como \u00e9 poss\u00edvel tornar sistemas Java f\u00e1cilmente extens\u00edveis embarcando uma linguagem de script &#8211; no caso Groovy, \u00e9 claro &#8211; em seu projeto. 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