{"id":4821,"date":"2021-08-06T10:35:08","date_gmt":"2021-08-06T10:35:08","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=4821"},"modified":"2021-08-06T10:35:09","modified_gmt":"2021-08-06T10:35:09","slug":"java-dom4j-parser-razbirat-xml-dokument","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/uk\/java-dom4j-parser-razbirat-xml-dokument\/","title":{"rendered":"Java DOM4J Parser \u2014 \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0442\u044c XML-\u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u041d\u0438\u0436\u0435 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u044b \u0448\u0430\u0433\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0435 \u043f\u0440\u0438 \u0440\u0430\u0437\u0431\u043e\u0440\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c DOM4J Parser.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0418\u043c\u043f\u043e\u0440\u0442 \u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 XML.<\/li><li>\u0421\u043e\u0437\u0434\u0430\u0439\u0442\u0435 SAXReader.<\/li><li>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0438\u0437 \u0444\u0430\u0439\u043b\u0430 \u0438\u043b\u0438 \u043f\u043e\u0442\u043e\u043a\u0430.<\/li><li>\u041f\u043e\u043b\u0443\u0447\u0438\u0442\u0435 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0435 \u0443\u0437\u043b\u044b, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435 XPath, \u0432\u044b\u0437\u0432\u0430\u0432 document.selectNodes ()<\/li><li>\u0418\u0437\u0432\u043b\u0435\u043a\u0438\u0442\u0435 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442.<\/li><li>\u041f\u0435\u0440\u0435\u0431\u0435\u0440\u0438\u0442\u0435 \u0441\u043f\u0438\u0441\u043e\u043a \u0443\u0437\u043b\u043e\u0432.<\/li><li>\u0418\u0437\u0443\u0447\u0438\u0442\u0435 \u0430\u0442\u0440\u0438\u0431\u0443\u0442\u044b.<\/li><li>\u0418\u0437\u0443\u0447\u0438\u0442\u0435 \u043f\u043e\u0434\u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0418\u043c\u043f\u043e\u0440\u0442 \u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 XML.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043e\u0437\u0434\u0430\u0439\u0442\u0435 SAXReader.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0438\u0437 \u0444\u0430\u0439\u043b\u0430 \u0438\u043b\u0438 \u043f\u043e\u0442\u043e\u043a\u0430.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u043e\u043b\u0443\u0447\u0438\u0442\u0435 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0435 \u0443\u0437\u043b\u044b, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435 XPath, \u0432\u044b\u0437\u0432\u0430\u0432 document.selectNodes ()<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0418\u0437\u0432\u043b\u0435\u043a\u0438\u0442\u0435 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0435\u0440\u0435\u0431\u0435\u0440\u0438\u0442\u0435 \u0441\u043f\u0438\u0441\u043e\u043a \u0443\u0437\u043b\u043e\u0432.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0418\u0437\u0443\u0447\u0438\u0442\u0435 \u0430\u0442\u0440\u0438\u0431\u0443\u0442\u044b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0418\u0437\u0443\u0447\u0438\u0442\u0435 \u043f\u043e\u0434\u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0418\u043c\u043f\u043e\u0440\u0442 \u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 XML<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.io.*;\nimport java.util.*;\nimport org.dom4j.*;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0421\u043e\u0437\u0434\u0430\u0442\u044c DocumentBuilder<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">SAXBuilder saxBuilder = new SAXBuilder();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0438\u0437 \u0444\u0430\u0439\u043b\u0430 \u0438\u043b\u0438 \u043f\u043e\u0442\u043e\u043a\u0430<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">File inputFile = new File(\"input.txt\");\nSAXBuilder saxBuilder = new SAXBuilder();\nDocument document = saxBuilder.build(inputFile);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0418\u0437\u0432\u043b\u0435\u0447\u044c \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">Element classElement = document.getRootElement();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0418\u0437\u0443\u0447\u0438\u0442\u044c \u0430\u0442\u0440\u0438\u0431\u0443\u0442\u044b<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/returns specific attribute\nvalueOf(\"@attributeName\"); <\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0418\u0437\u0443\u0447\u0438\u0442\u044c \u043f\u043e\u0434\u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/returns first child node\nselectSingleNode(\"subelementName\"); <\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u0414\u0435\u043c\u043e-\u043f\u0440\u0438\u043c\u0435\u0440<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u043e\u0442 \u0432\u0445\u043e\u0434\u043d\u043e\u0439 XML-\u0444\u0430\u0439\u043b, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u043f\u0440\u043e\u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;?xml version = \"1.0\"?&gt;\n&lt;class&gt;\n   &lt;student rollno = \"393\"&gt;\n      &lt;firstname&gt;dinkar&lt;\/firstname&gt;\n      &lt;lastname&gt;kad&lt;\/lastname&gt;\n      &lt;nickname&gt;dinkar&lt;\/nickname&gt;\n      &lt;marks&gt;85&lt;\/marks&gt;\n   &lt;\/student&gt;\n   \n   &lt;student rollno = \"493\"&gt;\n      &lt;firstname&gt;Vaneet&lt;\/firstname&gt;\n      &lt;lastname&gt;Gupta&lt;\/lastname&gt;\n      &lt;nickname&gt;vinni&lt;\/nickname&gt;\n      &lt;marks&gt;95&lt;\/marks&gt;\n   &lt;\/student&gt;\n   \n   &lt;student rollno = \"593\"&gt;\n      &lt;firstname&gt;jasvir&lt;\/firstname&gt;\n      &lt;lastname&gt;singn&lt;\/lastname&gt;\n      &lt;nickname&gt;jazz&lt;\/nickname&gt;\n      &lt;marks&gt;90&lt;\/marks&gt;\n   &lt;\/student&gt;\n&lt;\/class&gt;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">DOM4JParserDemo.java<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.tutorialspoint.xml;\n\nimport java.io.File;\nimport java.util.List;\n\nimport org.dom4j.Document;\nimport org.dom4j.DocumentException;\nimport org.dom4j.Element;\nimport org.dom4j.Node;\nimport org.dom4j.io.SAXReader;\n\npublic class DOM4JParserDemo {\n\n   public static void main(String[] args) {\n\n      try {\n         File inputFile = new File(\"input.txt\");\n         SAXReader reader = new SAXReader();\n         Document document = reader.read( inputFile );\n\n         System.out.println(\"Root element :\" + document.getRootElement().getName());\n\n         Element classElement = document.getRootElement();\n\n         List&lt;Node&gt; nodes = document.selectNodes(\"\/class\/student\" );\n         System.out.println(\"----------------------------\");\n         \n         for (Node node : nodes) {\n            System.out.println(\"\\nCurrent Element :\"\n               + node.getName());\n            System.out.println(\"Student roll no : \" \n               + node.valueOf(\"@rollno\") );\n            System.out.println(\"First Name : \"\n               + node.selectSingleNode(\"firstname\").getText());\n            System.out.println(\"Last Name : \"\n               + node.selectSingleNode(\"lastname\").getText());\n            System.out.println(\"First Name : \"\n               + node.selectSingleNode(\"nickname\").getText());\n            System.out.println(\"Marks : \"\n               + node.selectSingleNode(\"marks\").getText());\n         }\n      } catch (DocumentException e) {\n         e.printStackTrace();\n      }\n   }\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u041d\u0438\u0436\u0435 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u044b \u0448\u0430\u0433\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0435 \u043f\u0440\u0438 \u0440\u0430\u0437\u0431\u043e\u0440\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c DOM4J Parser. \u0418\u043c\u043f\u043e\u0440\u0442 \u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 XML. \u0421\u043e\u0437\u0434\u0430\u0439\u0442\u0435 SAXReader. \u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[153],"tags":[],"class_list":["post-4821","page","type-page","status-publish","hentry","category-java-xml"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/4821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/comments?post=4821"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/4821\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/media?parent=4821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/categories?post=4821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/tags?post=4821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}