Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*---------------------------------------------------------------
 *  Copyright 2005 by the Radiological Society of North America
 *
 *  This source software is released under the terms of the
 *  RSNA Public License (http://mirc.rsna.org/rsnapubliclicense)
 *----------------------------------------------------------------*/

import java.util.ArrayList;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Get an array of specific attributes for specific elements
     * in a Node tree. If the node is a Document, use the document
     * element as the starting point.
     * @param node the top of the tree to search.
     * @param nodeName the element names to include in the search.
     * @param attrName the name of the attributes to include.
     * @return the array of attribute values natching the criteria.
     */
    public static String[] getAttributeValues(Node node, String nodeName, String attrName) {
        if (node instanceof Document)
            node = ((Document) node).getDocumentElement();
        if (!(node instanceof Element))
            return new String[0];
        NodeList nodeList = ((Element) node).getElementsByTagName(nodeName);
        ArrayList list = new ArrayList();
        for (int i = 0; i < nodeList.getLength(); i++) {
            Attr attr = ((Element) nodeList.item(i)).getAttributeNode(attrName);
            if (attr != null)
                list.add(attr.getValue());
        }
        String[] values = new String[list.size()];
        return (String[]) list.toArray(values);
    }
}