{"id":10168,"date":"2015-08-18T08:36:30","date_gmt":"2015-08-18T12:36:30","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=10168"},"modified":"2015-08-01T09:14:46","modified_gmt":"2015-08-01T13:14:46","slug":"encodedpage-java-servlet-that-shows-the-bandwidth-benefits-of-gzipping-pages-to-browsers-that-can-handle-gzip-uses-the-servletutilities-class-to-simplify-the-doctype-and-head-output","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=10168","title":{"rendered":"EncodedPage.java Servlet that shows the bandwidth benefits of gzipping pages to browsers that can handle gzip. Uses the ServletUtilities class to simplify the DOCTYPE and HEAD output."},"content":{"rendered":"<pre>EncodedPage.java\u00a0 Servlet that shows the bandwidth benefits of gzipping pages to browsers that can handle gzip. Uses the ServletUtilities\u00a0 class to simplify the DOCTYPE and HEAD output. \r\n\r\npackage cwp;\r\n\r\nimport java.io.*;\r\nimport javax.servlet.*;\r\nimport javax.servlet.http.*;\r\nimport java.util.zip.*;\r\n\r\n\/** Example showing benefits of gzipping pages to browsers\r\n\u00a0*\u00a0 that can handle gzip.\r\n\u00a0* \u00a0\r\n\r\n\r\n\u00a0*\u00a0 Taken from Core Web Programming Java 2 Edition\r\n\u00a0*\u00a0 from Prentice Hall and Sun Microsystems Press,\r\n\u00a0*\u00a0 .\r\n\u00a0*\u00a0 May be freely used or adapted.\r\n\u00a0*\/\r\n\r\npublic class EncodedPage extends HttpServlet {\r\n\u00a0 public void doGet(HttpServletRequest request,\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 HttpServletResponse response)\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 throws ServletException, IOException {\r\n\u00a0\u00a0\u00a0 response.setContentType(\"text\/html\");\r\n\u00a0\u00a0\u00a0 String encodings = request.getHeader(\"Accept-Encoding\");\r\n\u00a0\u00a0\u00a0 String encodeFlag = request.getParameter(\"encoding\");\r\n\u00a0\u00a0\u00a0 PrintWriter out;\r\n\u00a0\u00a0\u00a0 String title;\r\n\u00a0\u00a0\u00a0 if ((encodings != null) &amp;&amp;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (encodings.indexOf(\"gzip\") != -1) &amp;&amp;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 !\"none\".equals(encodeFlag)) {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 title = \"Page Encoded with GZip\";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 OutputStream out1 = response.getOutputStream();\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 out = new PrintWriter(new GZIPOutputStream(out1), false);\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 response.setHeader(\"Content-Encoding\", \"gzip\");\r\n\u00a0\u00a0\u00a0 } else {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 title = \"Unencoded Page\";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 out = response.getWriter();\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0 out.println(ServletUtilities.headWithTitle(title) +\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \"\\n\" +\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \"\r\n\" + title + \"\r\n\\n\");\r\n\u00a0\u00a0\u00a0 String line = \"Blah, blah, blah, blah, blah. \" +\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \"Yadda, yadda, yadda, yadda.\";\r\n\u00a0\u00a0\u00a0 for(int i=0; i&lt;10000; i++) {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 out.println(line);\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0 out.println(\"\");\r\n\u00a0\u00a0\u00a0 out.close();\r\n\u00a0 }\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>EncodedPage.java\u00a0 Servlet that shows the bandwidth benefits of gzipping pages to browsers that can handle gzip. Uses the ServletUtilities\u00a0 class to simplify the DOCTYPE and HEAD output. package cwp; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.util.zip.*; \/** Example showing benefits of gzipping pages to browsers \u00a0*\u00a0 that can handle gzip. \u00a0* \u00a0 \u00a0*\u00a0 Taken &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=10168\">Continue reading<\/a><\/p>\n","protected":false},"author":130,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1417,1424],"tags":[706,308,1457,285],"class_list":["post-10168","post","type-post","status-publish","format-standard","hentry","category-code-programming-samples--","category-javaj2eej2me","tag-code","tag-java","tag-servlet","tag-285","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":26533,"url":"http:\/\/bangla.sitestree.com\/?p=26533","url_meta":{"origin":10168,"position":0},"title":"EncodedPage.java  Servlet that shows the bandwidth benefits of gzipping pages to browsers that can handle gzip. Uses the ServletUtilities  class to simplify the DOCTYPE and HEAD output. #Programming Code Examples #Java\/J2EE\/J2ME #Servlet","author":"Author-Check- Article-or-Video","date":"April 27, 2021","format":false,"excerpt":"EncodedPage.java Servlet that shows the bandwidth benefits of gzipping pages to browsers that can handle gzip. Uses the ServletUtilities class to simplify the DOCTYPE and HEAD output. package cwp; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.util.zip.*; \/** Example showing benefits of gzipping pages to browsers * that can handle\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10181,"url":"http:\/\/bangla.sitestree.com\/?p=10181","url_meta":{"origin":10168,"position":1},"title":"ShowSession.java Servlet that uses session tracking to determine if the client is a repeat visitor. Uses the ServletUtilities class to simplify the DOCTYPE and HEAD output.","author":"","date":"August 21, 2015","format":false,"excerpt":"ShowSession.java Servlet that uses session tracking to determine if the client is a repeat visitor. Uses the ServletUtilities class to simplify the DOCTYPE and HEAD output. package cwp; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.net.*; import java.util.*; \/** Simple example of session tracking. * * Taken from Core Web\u2026","rel":"","context":"In &quot;Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8&quot;","block_context":{"text":"Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8","link":"http:\/\/bangla.sitestree.com\/?cat=1417"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10158,"url":"http:\/\/bangla.sitestree.com\/?p=10158","url_meta":{"origin":10168,"position":2},"title":"SimplerHelloWWW.java Servlet that uses ServletUtilities to simplify the generation of the DOCTYPE and HEAD part of the servlet.","author":"","date":"August 15, 2015","format":false,"excerpt":"SimplerHelloWWW.java\u00a0 Servlet that uses ServletUtilities\u00a0 to simplify the generation of the DOCTYPE and HEAD part of the servlet. package cwp; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; \/** Simple servlet that generates HTML. This variation of \u00a0*\u00a0 HelloWWW uses the ServletUtilities utility class \u00a0*\u00a0 to generate the DOCTYPE, HEAD, and TITLE.\u2026","rel":"","context":"In &quot;Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8&quot;","block_context":{"text":"Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8","link":"http:\/\/bangla.sitestree.com\/?cat=1417"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":26555,"url":"http:\/\/bangla.sitestree.com\/?p=26555","url_meta":{"origin":10168,"position":3},"title":"ShowSession.java  Servlet that uses session tracking to determine if the client is a repeat visitor. Uses the ServletUtilities  class to simplify the DOCTYPE and HEAD output. #Programming Code Examples #Java\/J2EE\/J2ME #Servlet","author":"Author-Check- Article-or-Video","date":"April 28, 2021","format":false,"excerpt":"ShowSession.java Servlet that uses session tracking to determine if the client is a repeat visitor. 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Uses the ServletUtilities\u00a0 class to simplify the DOCTYPE and HEAD output. \u00a0 package cwp; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; \/** Sets six cookies: three that apply only to the current \u00a0*\u00a0 session (regardless of how long that session lasts)\u2026","rel":"","context":"In &quot;Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8&quot;","block_context":{"text":"Code . 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This variation of * HelloWWW uses the ServletUtilities utility class * to generate the DOCTYPE, HEAD, and TITLE.\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/130"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10168"}],"version-history":[{"count":1,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10168\/revisions"}],"predecessor-version":[{"id":10169,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10168\/revisions\/10169"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10168"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}