{"id":1726,"date":"2016-07-25T23:24:06","date_gmt":"2016-07-26T04:24:06","guid":{"rendered":"http:\/\/blog.vortexbird.com\/?p=978"},"modified":"2016-07-25T23:24:06","modified_gmt":"2016-07-26T04:24:06","slug":"cambiar-configuracion-de-proxy-programaticamente-desde-java","status":"publish","type":"post","link":"https:\/\/vortexbird.com\/en\/cambiar-configuracion-de-proxy-programaticamente-desde-java\/","title":{"rendered":"Cambiar configuraci\u00f3n de proxy program\u00e1ticamente desde java"},"content":{"rendered":"<p style=\"text-align: justify;\">En ocasiones nos vemos obligados a cambiar la configuraci\u00f3n de <em>proxy <\/em>para acceder desde programas desarrollados en Java a recursos de una red (interna o externa).<\/p>\n<p>Cuando escribo recursos, me refiero desde simples archivos planos, im\u00e1genes, o hasta programas como <em>Servlets<\/em> o <em>CGI&#8217;s <\/em>alojados en servidores. Cuando ocurre esto, tenemos dos alternativas:<\/p>\n<p>1.Establecer en el contexto de ejecuci\u00f3n de nuestro programa las variables con las que se cambia la configuraci\u00f3n del <em>proxy<\/em>.<\/p>\n<p style=\"text-align: justify;\">Ejemplo:<\/p>\n<pre lang=\"xml\" escaped=\"true\">java -Dhttp.proxyHost=proxyhostURL \n-Dhttp.proxyPort=proxyPortNumber \n-Dhttp.proxyUser=someUserName \n-Dhttp.proxyPassword=somePassword MiAplicacion\n<\/pre>\n<p>2. Implement\u00e1ndolo desde el c\u00f3digo Java din\u00e1micamente as\u00ed:<\/p>\n<pre lang=\"xml\" escaped=\"true\">import java.net.Authenticator;\nimport java.net.PasswordAuthentication;\npublic class ProxyAuthenticator extends Authenticator {  \t\n\tprivate String user, password;    \t\n\tpublic ProxyAuthenticator(String user, String password) { \t\t\n\t\tthis.user = user;\n \t\tthis.password = password;\n \t}  \t\n\tprotected PasswordAuthentication getPasswordAuthentication() { \t\t\n\t\treturn new PasswordAuthentication(user, password.toCharArray()); \n\t}  \n}\n<\/pre>\n<pre lang=\"xml\" escaped=\"true\">Authenticator.setDefault(new ProxyAuthenticator(\"user\", \"password\"));\n \t\tSystem.setProperty(\"http.proxyHost\", \"proxyHost\");\n \t\tSystem.setProperty(\"http.proxyPort\", \"proxyPort\");\n\n<\/pre>\n<p style=\"text-align: justify;\">De esta manera logramos que se acceda al recurso, pasando por el servidor proxy. :-&#8216;)<\/p>","protected":false},"excerpt":{"rendered":"<p>En ocasiones nos vemos obligados a cambiar la configuraci\u00f3n de proxy para acceder desde programas desarrollados en Java a recursos &#8230; <a class=\"cz_readmore cz_readmore_no_icon\" href=\"https:\/\/vortexbird.com\/en\/cambiar-configuracion-de-proxy-programaticamente-desde-java\/\"><span>Read more<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":2481,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[15,16],"tags":[],"class_list":["post-1726","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javaee","category-javase"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cambiar configuraci\u00f3n de proxy program\u00e1ticamente desde java<\/title>\n<meta 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