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/*
* @(#)DefaultSearchEngine.java 1.21 06/10/30
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @(#) DefaultSearchEngine.java 1.21 - last change made 10/30/06
*/
package com.sun.java.help.search;
import java.io.*;
import java.net.*;
import java.text.*;
import java.util.Vector;
import java.util.Hashtable;
import java.util.EventListener;
import java.util.Locale;
import javax.help.search.*;
import com.sun.java.help.search.*;
import java.security.InvalidParameterException;
/**
* DefaultSearchEngine is the default search engine.
*
* Search results are returned through SearchEvents to
* listeners that
* register with a SearchEngine instance through the Search Query.
*
* @author Roger D. Brinkley
* @author Eduardo Pelegri-Llopart
* @version 1.21 10/30/06
*
* @see javax.help.search.SearchEngine
* @see javax.help.search.SearchEvent
* @see javax.help.search.SearchListener
*/
public class DefaultSearchEngine extends SearchEngine {
private String urldata; // just for debugging really
protected QueryEngine qe;
/**
* Create a DefaultSearchEngine
*/
public DefaultSearchEngine(URL base, Hashtable params)
throws InvalidParameterException
{
super(base, params);
debug("Loading Search Database");
debug(" base: "+base);
debug(" params: "+params);
// Load the Query Engine and Search DB here
try {
urldata = (String) params.get("data");
qe = new QueryEngine(urldata, base);
} catch (Exception e) {
if (debugFlag) {
System.err.println(" =========== ");
e.printStackTrace();
}
throw new InvalidParameterException();
}
}
public SearchQuery createQuery() {
return new DefaultSearchQuery(this);
}
protected QueryEngine getQueryEngine() {
return qe;
}
/**
* For printf debugging.
*/
private static final boolean debugFlag = false;
private static void debug(String str) {
if( debugFlag ) {
System.out.println("DefaultSearchEngine: " + str);
}
}
}
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