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

public class Main {
    private static String readXsdVersionFromFile(Document doc) {
        final String JBOSS_ESB = "jbossesb";
        NodeList nodes = doc.getChildNodes();
        if (nodes != null) {
            for (int i = 0; i < nodes.getLength(); i++) {
                Node node = nodes.item(i);
                if (JBOSS_ESB.equals(node.getNodeName())) {
                    NamedNodeMap attributes = node.getAttributes();
                    for (int j = 0; j < attributes.getLength(); j++) {
                        Node attribute = attributes.item(j);
                        if ("xmlns".equals(attribute.getNodeName())) {
                            String value = attribute.getNodeValue();
                            if (value.contains(JBOSS_ESB) && value.endsWith(".xsd"))
                                return value.substring(value.lastIndexOf('/') + 1, value.length());
                            else
                                throw new IllegalStateException(
                                        "The ESB descriptor points to an invalid XSD" + value);
                        }
                    }
                }
            }
            throw new IllegalArgumentException("No root node " + JBOSS_ESB + " found.");
        } else
            throw new IllegalArgumentException("Descriptor has no root element !");
    }
}