Checks.java 2.89 KB
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/*******************************************************************************
 * Copyright (c) 2006 Elphel, Inc and Excelsior, LLC.
 * This file is a part of Eclipse/VDT plug-in.
 * Eclipse/VDT plug-in 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.
 *
 * Eclipse/VDT plug-in 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with Eclipse VDT plug-in; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *******************************************************************************/
package com.elphel.vdt.core.tools;

import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;

import com.elphel.vdt.core.tools.config.ConfigException;
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//TODO: Andrey: Now Parameter has file name
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public class Checks {
    public static void checkCyclicInheritance(Inheritable inheritanceChainMember, String entityName)
        throws ConfigException
    {
        List<Inheritable> chain = new ArrayList<Inheritable>();
        Inheritable chainItem = inheritanceChainMember;
        
        while(chainItem != null) {
            if(chain.contains(chainItem)) {
                chain.add(chainItem);            

                String message = "Cyclic " + entityName + " inheritance detected: ";

                for(Iterator<Inheritable> i = chain.iterator(); i.hasNext();) {
                    message += "'" + ((Inheritable)i.next()).getName() + "'";
                    
                    if(i.hasNext())
                        message += " extends ";
                }
                
                throw new ConfigException(message);
            }
            
            chain.add(chainItem);            
            
            chainItem = chainItem.getBase();
        }
    }
    
    public static void checkDuplicatedNames(List<? extends NamedEntity> objlist, 
                                            String entityName)
        throws ConfigException 
    {
        for(int i = 0; i < objlist.size() - 1; i++) {
            NamedEntity obj1 = objlist.get(i);

            for(int j = i+1; j < objlist.size(); j++) {
                NamedEntity obj2 = (NamedEntity)objlist.get(j);

                if(obj1.getName().equals(obj2.getName()))
                    throw new ConfigException("Element '" + obj1.getName() + 
                                              "' is duplicated in " + entityName);
            }            
        }
    }
}