/* Woodstox Lite ("wool") XML processor
*
* Copyright (c) 2006- Tatu Saloranta, tatu.saloranta@iki.fi
*
* Licensed under the License specified in the file LICENSE which is
* included with the source code.
* You may not use this file except in compliance with the License.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.fasterxml.aalto.in;
import javax.xml.
XMLConstants;
/**
* This is a simple container class to use for encapsulating dynamic
* (current) binding from a prefix, to a namespace URI (or missing
* binding by URI being null). It is often included in
* {@link PName} object.
*/
final class
NsBinding
{
// // // Couple of immutable bindings:
/**
* Default binding for prefix "xml"
*/
public final static
NsBinding XML_BINDING = new
NsBinding
("xml",
XMLConstants.
XML_NS_URI, null);
/**
* Default binding for prefix "xmlns"
*/
public final static
NsBinding XMLNS_BINDING = new
NsBinding
("xmlns",
XMLConstants.
XMLNS_ATTRIBUTE_NS_URI, null);
public final
String mPrefix;
public
String mURI;
public
NsBinding(
String prefix)
{
/* For internal consistency, it is illegal to create multiple
* bindings for "xml" or "xmlns". These should be catched earlier,
* but just in case they aren't let's verify them here.
*/
if (
prefix == "xml" ||
prefix == "xmlns") {
throw new
RuntimeException("Trying to create non-singleton binding for ns prefix '"+
prefix+"'");
}
mPrefix =
prefix;
mURI = null;
}
public final static
NsBinding createDefaultNs() {
return new
NsBinding(null);
}
private
NsBinding(
String prefix,
String uri,
Object DUMMY)
{
mPrefix =
prefix;
mURI =
uri;
}
public boolean
isImmutable()
{
return (this ==
XML_BINDING || this ==
XMLNS_BINDING);
}
}