Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import org.w3c.dom.traversal.NodeFilter;
import org.w3c.dom.*;

public class Main {
    /**
     * Get attribute value, returning <code>null</code> if unset.
     * Some DOM implementations return an empty string for an unset
     * attribute.
     * @param element The DOM element.
     * @param attributeName The attribute to get.
     * @return The attribute value, or &lt;code&gt;null&lt;/code&gt; if unset.
     */
    public static String getAttributeValue(Element element, String attributeName) {
        return getAttributeValue(element, attributeName, null);
    }

    /**
     * Get attribute value, returning <code>null</code> if unset.
     * Some DOM implementations return an empty string for an unset
     * attribute.
     * @param element The DOM element.
     * @param attributeName The attribute to get.
     * @param namespaceURI Namespace URI of the required attribute, or null
     * to perform a non-namespaced get.
     * @return The attribute value, or &lt;code&gt;null&lt;/code&gt; if unset.
     */
    public static String getAttributeValue(Element element, String attributeName, String namespaceURI) {
        String attributeValue;
        if (namespaceURI == null) {
            attributeValue = element.getAttribute(attributeName);
        } else {
            attributeValue = element.getAttributeNS(namespaceURI, attributeName);
        }
        if (attributeValue.length() == 0 && !element.hasAttribute(attributeName)) {
            return null;
        }
        return attributeValue;
    }

    public String getAttributeValue(Element element, Node attr, NodeFilter attrFilter) {
        if (attrFilter == null || attrFilter.acceptNode(attr) != -1) {
            String value = getXMLString(attr.getNodeValue());
            String quat = "\"";
            if (value.indexOf("\"") > 0) {
                quat = "'";
            }
            return " " + attr.getNodeName() + "=" + quat + value + quat;
        }
        return "";
    }

    /**
     * Get an Attribute from an Element.  Returns an empty String if none found
     * http://www.java2s.com/Code/Java/XML/ReturnalistofnamedElementswithaspecificattributevalue.htm
     * @param element the containing Element.
     * @param name the attribute name.
     * @return Attribute as a String.
     */
    public static String getAttribute(Element element, String name) {
        return element.getAttribute(name);
    }

    public String getXMLString(String targetS) {
        return targetS.replaceAll("&", "&amp;").replaceAll("<", "&lt;").replaceAll(">", "&gt;");
    }
}