{"id":23185,"date":"2013-05-13T17:01:40","date_gmt":"2013-05-13T11:31:40","guid":{"rendered":"http:\/\/vskills.in\/certification\/tutorial\/?p=23185"},"modified":"2024-04-12T14:23:51","modified_gmt":"2024-04-12T08:53:51","slug":"absolute-location-paths-and-descendant-selection","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/absolute-location-paths-and-descendant-selection\/","title":{"rendered":"Absolute Location paths and descendant selection"},"content":{"rendered":"

Location Paths<\/h2>\n

Although there are many different kinds of XPath expressions, the one that\u2019s of primary use in Java programs is the\u00a0location path<\/i>. A location path selects a set of nodes from an XML document. Each location path is composed of one or more\u00a0location steps<\/i>. Each location step has an\u00a0axis<\/i>, a\u00a0node test<\/i>\u00a0and, optionally, one or more\u00a0predicates<\/i>. Furthermore, each location step is evaluated with respect to a particular\u00a0context node<\/i>. A double colon (::<\/tt>) separates the axis from the node test, and each predicate is enclosed in square brackets.<\/p>\n

Example\u00a0Location Path<\/h2>\n

Consider the following XML document:<\/p>\n

Code<\/strong><\/span><\/p>\n

<albums>
\n<rock>
\n<title>Machine Head<\/title>
\n<artist>Deep Purple<\/artist>
\n<\/rock>
\n<blues>
\n<title>Greens From The Garden<\/title>
\n<artist>Cory Harris<\/artist>
\n<\/blues>
\n<country>
\n<title>The Ranch<\/title>
\n<artist>The Ranch<\/artist>
\n<\/country>
\n<\/albums><\/p>\n

If we wanted to select the “title” node of all albums, we could use the following (absolute) location paths:<\/p>\n

Code<\/strong><\/span><\/p>\n

albums\/rock\/title
\nalbums\/blues\/title
\nalbums\/country\/title<\/p>\n

The Result<\/h3>\n

Here are the nodes that are selected using the above location path.<\/p>\n

Code<\/strong><\/span><\/p>\n

<title>Machine Head<\/title>
\n<title>Greens From The Garden<\/title>
\n<title>The Ranch<\/title><\/p>\n

The Root Node<\/h2>\n

If we wanted to select the root node, we could use either the node’s name or a forward slash. Both of these options are absolute location paths and select the root node.<\/p>\n

Option 1 – use the root node’s name:<\/p>\n

Code<\/strong><\/span><\/p>\n

albums<\/p>\n

Option 2 – use a forward slash:<\/p>\n

Code<\/strong><\/span><\/p>\n

\n
Go to- Certified XML Developer Tutorial<\/strong><\/a><\/h5>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Location Paths Although there are many different kinds of XPath expressions, the one that\u2019s of primary use in Java programs is the\u00a0location path. A location path selects a set of nodes from an XML document. Each location path is composed of one or more\u00a0location steps. Each location step has an\u00a0axis, a\u00a0node test\u00a0and, optionally, one or…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[3353],"tags":[4558,4557,4559,4561,4560,4562],"class_list":["post-23185","page","type-page","status-publish","hentry","category-xml","tag-absolute-location-paths","tag-absolute-location-paths-and-descendant-selection","tag-descendant-selection","tag-xml-absolute-location","tag-xml-descendant-selection","tag-xml-location-paths"],"acf":[],"yoast_head":"\nAbsolute Location paths and descendant selection - Tutorial<\/title>\n<meta name=\"description\" content=\"Absolute Location paths and descendant selection\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/absolute-location-paths-and-descendant-selection\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Absolute Location paths and descendant selection - 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