com.sun.xml.rpc.streaming.PrefixFactoryImpl 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 java.util.HashMap;
import java.util.Map;
/**
* A prefix factory that caches the prefixes it creates.
*
* @author JAX-RPC Development Team
*/
public class PrefixFactoryImpl implements PrefixFactory {
public PrefixFactoryImpl(String base) {
_base = base;
_next = 1;
}
public String getPrefix(String uri) {
String prefix = null;
if (_cachedUriToPrefixMap == null) {
_cachedUriToPrefixMap = new HashMap();
} else {
prefix = (String) _cachedUriToPrefixMap.get(uri);
}
if (prefix == null) {
prefix = _base + Integer.toString(_next++);
_cachedUriToPrefixMap.put(uri, prefix);
}
return prefix;
}
private String _base;
private int _next;
private Map _cachedUriToPrefixMap;
}