Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import org.w3c.dom.Document;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Get the Value of a node that has an embedded text node as a child
     * @param doc the Document to search for the node name
     * @param nodeName the name of the node to get the value
     * @return the value of the text node child
     */
    public static String getNodeTextValue(Document doc, String nodeName) {
        String value = null;
        NodeList nodes = doc.getElementsByTagName(nodeName);
        if (nodes.getLength() > 0) {
            Node node = nodes.item(0);
            if (node.hasChildNodes()) {
                Node text = node.getFirstChild();
                value = text.getNodeValue();
            }
        }
        return replaceSpecialCharacters(value);
    }

    /**
     * Get the value of a node assuming there is one child node with a text value
     * 
     * @param node
     * @return the value
     */
    public static String getNodeTextValue(Node node) {
        String value = null;
        if (node.hasChildNodes()) {
            Node text = node.getFirstChild();
            value = text.getNodeValue();
        }
        return replaceSpecialCharacters(value);
    }

    public static String replaceSpecialCharacters(String value) {
        if (value == null)
            return value;
        //only replace & if it not already an escaped sequence
        char[] val = value.toCharArray();
        int pos = 0;

        while (pos < val.length) {
            if (val[pos] == '&') {
                int ampPos = pos;
                //move over until last non-whitespace character to see if ;
                while (pos < val.length && (val[pos] + "").matches("[^\\s]") && pos < ampPos + 5) {
                    pos++;
                }

                if (val[pos] != ';') {
                    pos = pos + 3;
                    String newValue = value.substring(0, ampPos) + "&amp;";
                    if (val.length > pos + 1) {
                        newValue += value.substring(ampPos + 1);
                    }
                    value = newValue;
                    val = value.toCharArray();
                }
            }
            pos++;
        }
        value = value.replace("<", "&lt;");
        value = value.replace(">", "&gt;");
        value = value.replace("\"", "&quot;");
        value = value.replace("'", "&apos;");
        return value;
    }
}