Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Given an XML string, return the textContent of all of the tags that match tagName as a list.
     * @param xmlStr
     * @param tagName
     * @method getValuesForNode
     * @static
     */
    public static List<String> getValuesForNode(String xmlStr, String tagName) {

        List<String> values = new ArrayList<String>();
        try {

            DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();

            InputStream is = new ByteArrayInputStream(xmlStr.getBytes("UTF-8"));

            Document doc = docBuilder.parse(is);

            doc.getDocumentElement().normalize();

            NodeList nodes = doc.getElementsByTagName(tagName);
            int nodeCount = nodes.getLength();

            for (int i = 0; i < nodeCount; i++) {
                Node node = nodes.item(i);
                values.add(node.getTextContent());
            }

        } catch (Exception e) {
            e.printStackTrace();
        }

        return values;

    }
}