com.sun.xml.rpc.streaming.XMLWriterUtil Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.xml.rpc.streaming;
import javax.xml.namespace.QName;
/**
* XMLWriterUtil provides some utility methods intended to be used
* in conjunction with a XMLWriter.
*
* @see XMLWriter
*
* @author JAX-RPC Development Team
*/
public class XMLWriterUtil {
private XMLWriterUtil() {
}
// sample method signature:
// public static void foo(XMLWriter writer, args...);
//
public static String encodeQName(XMLWriter writer, QName qname) {
// NOTE: Here it is assumed that we do not serialize using default
// namespace declarations and therefore that writer.getPrefix will
// never return ""
String namespaceURI = qname.getNamespaceURI();
String localPart = qname.getLocalPart();
if (namespaceURI == null || namespaceURI.equals("")) {
return localPart;
} else {
String prefix = writer.getPrefix(namespaceURI);
if (prefix == null) {
writer.writeNamespaceDeclaration(namespaceURI);
prefix = writer.getPrefix(namespaceURI);
}
return prefix + ":" + localPart;
}
}
}