Updating xml using xpath

Posted by / 18-Aug-2016 19:05

This can be done using the set Attribute() method or setting the node Value property of the attribute node.

At my company we are frequently in need of Java programmers.

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We take very seriously whom we hire, but we're looking for a way to make the process less time consuming for us and more objective.

So I recently started writing a Java application that automates the process of setting up an environment for candidates to write real code in and build their work at the end.

// Node staff = First Child(); // Get the staff element by tag name directly Node staff = Elements By Tag Name("staff").item(0); // update staff attribute Named Node Map attr = Attributes(); Node node Attr = Named Item("id"); node Text Content("2"); // append a new node to staff Element age = doc.create Element("age"); age.append Child(doc.create Text Node("28")); staff.append Child(age); // loop the staff child node Node List list = Child Nodes(); for (int i = 0; i Founder of and Hosting Compass.com, love Java and open source stuff.

SAXException; public class Modify XMLFile { public static void main(String argv[]) { try { String filepath = "c:\file.xml"; Document Builder Factory doc Factory = Document Builder Instance(); Document Builder doc Builder = doc Document Builder(); Document doc = doc Builder.parse(filepath); // Get the root element Node company = First Child(); // Get the staff element , it may not working if tag has spaces, or // whatever weird characters in front...it's better to use // get Elements By Tag Name() to get it directly.

It's a terrific place to work, and we are undergoing a good deal of growth.As a result, my colleagues and I spend a considerable amount of time interviewing. Unlike element nodes, attribute nodes have text values.The way to change the value of an attribute, is to change its text value.I needed a general-purpose way to take some boilerplate XML files and update certain values in the files based on candidate information, such as their name. You pass it the name of the file you want to update, an XPath expression that finds the nodes you're interested in, and then your new value.

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It reads in your XML file and updates the nodes corresponding to your XPath, then immediately writes the entire file out again.

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