com.sun.xml.ws.streaming.PrefixFactoryImpl Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2019 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.streaming;
import java.util.HashMap;
import java.util.Map;
/**
* A prefix factory that caches the prefixes it creates.
*
* @author WS 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;
}