Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2009 CrossRef.org (email: support@crossref.org)
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

import java.util.UUID;

import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;

public class Main {
    /**
     * @return A String[] of length two, [prefix, URI].
     */
    public static String[] getNamespaceDeclaration(Element ele) {
        String prefixHint = null;
        String[] parts = ele.getNodeName().split(":");
        if (parts.length == 2) {
            prefixHint = parts[0];
        }

        return getNamespaceDeclaration(ele, prefixHint);
    }

    /**
     * @return A String[] of length two, [prefix, URI].
     */
    public static String[] getNamespaceDeclaration(Element ele, String prefixHint) {
        String[] ns = new String[2]; // prefix, URI
        NamedNodeMap attribs = ele.getAttributes();

        for (int i = 0; i < attribs.getLength(); i++) {
            Attr attr = (Attr) attribs.item(i);
            if (attr.getName().startsWith("xmlns")) {
                if ((prefixHint != null && attr.getName().endsWith(prefixHint)) || attr.getName().equals("xmlns")) {
                    ns[0] = attr.getLocalName(); // prefix
                    ns[1] = attr.getTextContent(); // URI

                    // catch default namespace change
                    if (ns[0] == "xmlns") {
                        ns[0] = UUID.randomUUID().toString();
                    }
                }
            }
        }

        if (ns[1] == null) {
            return getNamespaceDeclaration((Element) ele.getParentNode(), prefixHint);
        } else {
            return ns;
        }
    }
}