Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

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

public class Main {
    public static String getTextChild(Element element) {
        NodeList children = element.getChildNodes();
        String value = null;
        for (int i = 0; i < children.getLength(); ++i) {
            Node child = children.item(i);
            if (child.getNodeType() == Node.TEXT_NODE) {
                if (null != value) {
                    throw new IllegalStateException(
                            "Element " + elementToString(element) + " has more than one text child.");
                } else {
                    value = child.getNodeValue();
                }
            }
        }
        return value;
    }

    public static String elementToString(Element e) {
        StringBuilder buf = new StringBuilder();
        buf.append(e.getTagName()).append("{");
        for (int i = 0; i < e.getAttributes().getLength(); i++) {
            if (i > 0) {
                buf.append(", ");
            }
            Node n = e.getAttributes().item(i);
            buf.append(attributeName((Attr) n)).append("=").append(n.getNodeValue());
        }
        buf.append("}");
        return buf.toString();
    }

    public static String attributeName(Attr attribute) {
        String name = attribute.getLocalName();
        if (null == name) {
            name = attribute.getName();
        }
        return name;
    }
}