org.mule.util.XMLUtils Maven / Gradle / Ivy
/*
* $Id: XMLUtils.java 20321 2010-11-24 15:21:24Z dfeist $
* --------------------------------------------------------------------------------------
* 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.
*/
package org.mule.util;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* These only depend on standard (JSE) XML classes and are used by Spring config code.
* For a more extensive (sub-)class, see the XMLUtils class in the XML module.
*/
public class XMLUtils
{
public static String elementToString(Element e)
{
StringBuffer buf = new StringBuffer();
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 boolean isLocalName(Element element, String name)
{
return element.getLocalName().equals(name);
}
public static String attributeName(Attr attribute)
{
String name = attribute.getLocalName();
if (null == name)
{
name = attribute.getName();
}
return name;
}
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;
}
}