com.sun.jersey.json.impl.reader.JsonNamespaceContext Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.jersey.json.impl.reader;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javax.xml.XMLConstants;
import javax.xml.namespace.NamespaceContext;
/**
*
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
*/
public class JsonNamespaceContext implements NamespaceContext {
static final String PrefixPREFIX = "ns";
private final Map ns2pMap = new HashMap();
private final Map p2nsMap = new HashMap();
private int nsCount = 0;
protected int getNamespaceCount() {
return nsCount;
}
public String getNamespaceURI(final String prefix) {
// Invalid prefix.
if (prefix == null) {
throw new IllegalArgumentException();
}
// Default prefix.
if (XMLConstants.DEFAULT_NS_PREFIX.equals(prefix)) {
return XMLConstants.NULL_NS_URI;
}
if (p2nsMap.containsKey(prefix)) {
return p2nsMap.get(prefix);
}
return null;
}
public String getPrefix(final String namespaceURI) {
// Invalid NS.
if (namespaceURI == null) {
throw new IllegalArgumentException();
}
// Default NS.
if (XMLConstants.NULL_NS_URI.equals(namespaceURI)) {
return XMLConstants.DEFAULT_NS_PREFIX;
}
if (ns2pMap.containsKey(namespaceURI)) {
return ns2pMap.get(namespaceURI);
} else {
final String newPrefix = PrefixPREFIX + ++nsCount;
ns2pMap.put(namespaceURI, newPrefix);
p2nsMap.put(newPrefix, namespaceURI);
return newPrefix;
}
}
public Iterator getPrefixes(String namespaceURI) {
return p2nsMap.keySet().iterator();
}
}