001/*
002 *  Copyright 2016 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.core.impl.right;
017
018import java.util.HashSet;
019import java.util.Set;
020
021import org.apache.avalon.framework.configuration.Configurable;
022import org.apache.avalon.framework.configuration.Configuration;
023import org.apache.avalon.framework.configuration.ConfigurationException;
024
025import org.ametys.core.right.RightContextConvertor;
026
027/**
028 * This RightContextConvertor is just an hardcoded translation from a configured string to another configured string
029 */
030public class StringRightContextConvertor implements RightContextConvertor, Configurable
031{
032    /** The context to remove */
033    protected String _contextToRemove;
034    /** The context to replace with */
035    protected String _contextToReplaceWith;
036    
037    public void configure(Configuration configuration) throws ConfigurationException
038    {
039        _contextToRemove = "/" + configuration.getChild("context-to-remove").getValue();
040        _contextToReplaceWith = "/" + configuration.getChild("context-to-replace-with").getValue();
041    }
042    
043    public Set<Object> convert(Object object)
044    {
045        Set<Object> objects = new HashSet<>();
046        
047        if (object instanceof String)
048        {
049            String context = (String) object;
050            
051            if (context.equals(_contextToRemove))
052            {
053                objects.add(_contextToReplaceWith);
054            }
055            else if (context.startsWith(_contextToRemove + "/"))
056            {
057                objects.add(_contextToRemove + context.substring(_contextToReplaceWith.length()));
058            }
059        }
060        
061        return objects;
062    }
063}