com.arjuna.webservices.util.QNameHelper Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a full listing
* of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
package com.arjuna.webservices.util;
import javax.xml.namespace.NamespaceContext;
import javax.xml.namespace.QName;
/**
* Helper class for manipulating QNames.
* @author kevin
*/
public class QNameHelper
{
/**
* Return a qualified representation of the qname.
* @param qname The qname.
* @return The qualified name.
*/
public static String toQualifiedName(final QName qname)
{
return toQualifiedName(qname.getPrefix(), qname.getLocalPart()) ;
}
/**
* Return a qualified representation of the prefix and local name.
* @param prefix The prefix.
* @param localName The local name.
* @return The qualified name.
*/
public static String toQualifiedName(final String prefix, final String localName)
{
if ((prefix == null) || (prefix.length() == 0))
{
return localName ;
}
else
{
return prefix + ":" + localName ;
}
}
/**
* Return the qname represented by the qualified name.
* @param namespaceContext The namespace context.
* @param qualifiedName The qualified name.
* @return The qname.
*/
public static QName toQName(final NamespaceContext namespaceContext, final String qualifiedName)
{
final int index = qualifiedName.indexOf(':') ;
if (index == -1)
{
return new QName(qualifiedName) ;
}
else
{
final String prefix = qualifiedName.substring(0, index) ;
final String localName = qualifiedName.substring(index+1) ;
final String namespaceURI = getNormalisedValue(namespaceContext.getNamespaceURI(prefix)) ;
return new QName(namespaceURI, localName, prefix) ;
}
}
/**
* Get the normalised value of the string.
* @param value The string value.
* @return The normalised value.
*/
public static String getNormalisedValue(final String value)
{
if (value == null)
{
return "" ;
}
else
{
return value ;
}
}
}