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/* DefaultMap.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program 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 for more details.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.help;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Vector;
import javax.help.HelpSet;
import javax.help.Map;
import javax.help.Map.ID;
/**
* Provides the mapping of context-sensitive help IDs and URLs for help page.
* This class is a common superclass of {@link GraphFactoryMap} and {@link InvariantMap}.
*/
public class DefaultMap implements Map {
/**
* creates new DefaultMap with given list of ids.
*/
protected DefaultMap(List<String> ids){
this.ids = ids;
}
/**
* creates new DefaultMap with empty list of ids. Use {@link #setIDList(List) setIDList} to
* set the ids.
*/
protected DefaultMap(){
ids = new ArrayList<String>();
}
private List<String> ids;
private String urlPrefix = "";
/**
* allows superclasses to set the list of IDs
* when this can not be done in the constructor.
*/
protected void setIDList(List<String> ids){
this.ids = ids;
}
/**
* method for superclasses to set the prefix for URLs.
*/
protected void setURLPrefix(String urlPrefix){
this.urlPrefix = urlPrefix;
}
public boolean isValidID(String string, HelpSet helpSet) {
return ids.contains(string);
}
public Enumeration getAllIDs() {
Vector<Map.ID> mapids = new Vector<Map.ID>(); // NOPMD
for(int i = 0; i<ids.size(); i++)
mapids.add(ID.create(ids.get(i), HelpManager.getHelpSet()));
return mapids.elements();
}
public URL getURLFromID(Map.ID iD) throws MalformedURLException {
String id = iD.id;
if(ids.contains(id))
return new URL(urlPrefix + id);
else
return null;
}
public boolean isID(URL uRL) {
return ids.contains(uRL.getHost());
}
public Map.ID getIDFromURL(URL uRL) {
if(uRL==null) return null;
String id = uRL.getHost();
if(ids.contains(id))
return ID.create(id, HelpManager.getHelpSet());
else
return null;
}
public Map.ID getClosestID(URL uRL) {
return getIDFromURL(uRL);
}
public Enumeration getIDs(URL uRL) {
Vector<String> mapids = new Vector<String>(); // NOPMD
mapids.add(getIDFromURL(uRL).id);
return mapids.elements();
}
}
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