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This module contains the Metro runtime code.
/*
* $Id: EmptyNamespaceContext.java,v 1.2 2004/07/08 14:29:42 cniles Exp $
*
* Copyright (c) 2004, Christian Niles, unit12.net
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Christian Niles, Unit12, nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
package javanet.staxutils;
import java.util.Collections;
import java.util.Iterator;
import javax.xml.namespace.NamespaceContext;
/**
* {@link ExtendedNamespaceContext} that contains no namespaces.
*
* @author Christian Niles
* @version $Revision: 1.2 $
*/
public final class EmptyNamespaceContext
implements
ExtendedNamespaceContext,
StaticNamespaceContext {
public static final EmptyNamespaceContext INSTANCE = new EmptyNamespaceContext();
public static final NamespaceContext getInstance() {
return INSTANCE;
}
public String getNamespaceURI(String prefix) {
return null;
}
public String getPrefix(String nsURI) {
return null;
}
public Iterator getPrefixes(String nsURI) {
return Collections.EMPTY_SET.iterator();
}
public NamespaceContext getParent() {
return null;
}
public boolean isPrefixDeclared(String prefix) {
return false;
}
public Iterator getPrefixes() {
return Collections.EMPTY_LIST.iterator();
}
public Iterator getDeclaredPrefixes() {
return Collections.EMPTY_LIST.iterator();
}
}