зеркало из https://github.com/mozilla/gecko-dev.git
106 строки
3.1 KiB
Java
106 строки
3.1 KiB
Java
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1997 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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import java.util.Properties;
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import java.util.Hashtable;
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import java.lang.ClassLoader;
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import java.net.URLEncoder;
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/*
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*
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* @author ftang
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* @version $Revision: 1.1 $
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* @see
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*
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*/
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public class DataExtension {
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private Hashtable cache = null;
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private boolean caseInsensitive = false;
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private String prefix;
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private String postfix;
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private String[] urls;
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/*
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*
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* @author ftang
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* @version $Revision: 1.1 $
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* @see
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*
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*/
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public DataExtension ( String prefix, String postfix, boolean caseInsensitive, String[] fallbackURLs)
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{
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cache = new Hashtable(20) ;
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this.prefix = prefix;
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this.postfix = postfix;
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this.caseInsensitive = caseInsensitive;
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this.urls = fallbackURLs;
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}
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/*
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*
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* @author ftang
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* @version $Revision: 1.1 $
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* @see
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*
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*/
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public String getValue (String key, String Name)
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{
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if(caseInsensitive)
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key = URLEncoder.encode(key.toLowerCase()).toLowerCase();
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Hashtable group = null;
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group = getGroup(key);
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if(group != null)
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return (String) group.get(Name);
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else
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return (String) null;
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}
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/*
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*
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* @author ftang
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* @version $Revision: 1.1 $
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* @see
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*
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*/
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synchronized private Hashtable getGroup(String key)
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{
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Object lookup = null;
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lookup = cache.get(key);
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if(lookup != null)
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return (Hashtable) lookup;
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try {
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Properties p = new Properties();
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String name = prefix + key + postfix;
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p.load( ClassLoader.getSystemResourceAsStream( name ) );
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cache.put(key, p);
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return (Hashtable) p;
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} catch(Exception e) {
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/* TO DO */
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/* do urls fallback here */
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return (Hashtable) null;
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}
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}
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};
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