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Viewing changes to src/games/strategy/engine/message/RemoteInterfaceHelper.java

  • Committer: Package Import Robot
  • Author(s): Scott Howard
  • Date: 2011-11-11 21:40:11 UTC
  • Revision ID: package-import@ubuntu.com-20111111214011-sehf2rwat36o2xqf
Tags: upstream-1.3.2.2
Import upstream version 1.3.2.2

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src/games/strategy/engine/message/RemoteInterfaceHelper.java
 
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/*
 
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 * This program is free software; you can redistribute it and/or modify it under
 
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 * the terms of the GNU General Public License as published by the Free Software
 
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 * Foundation; either version 2 of the License, or (at your option) any later
 
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 * version. This program is distributed in the hope that it will be useful, but
 
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 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 
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 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 
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 * details. You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software Foundation, Inc.,
 
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 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
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 */
 
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package games.strategy.engine.message;
 
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import games.strategy.util.Tuple;
 
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import java.lang.reflect.Method;
 
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import java.util.Arrays;
 
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import java.util.Comparator;
 
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import java.util.logging.Level;
 
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import java.util.logging.Logger;
 
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public class RemoteInterfaceHelper
 
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{
 
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    private static final Logger s_logger = Logger.getLogger(RemoteInterfaceHelper.class.getName());
 
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    public static int getNumber(String methodName, Class<?>[] argTypes, Class<?> remoteInterface)
 
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    {
 
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        Method[] methods = remoteInterface.getMethods();
 
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        Arrays.sort(methods, methodComparator);
 
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         if(s_logger.isLoggable(Level.FINEST)) {
 
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            s_logger.fine("Sorted methods:" + Arrays.asList(methods));
 
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        } 
 
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        for(int i =0; i < methods.length; i++)
 
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        {
 
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            if(methods[i].getName().equals(methodName))
 
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            {
 
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                Class<?>[] types = methods[i].getParameterTypes();
 
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                //both null
 
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                if(types == argTypes)
 
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                {
 
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                    return i;
 
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                }
 
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                else if(types != null && argTypes != null && types.length == argTypes.length)
 
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                {
 
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                    boolean match = true;
 
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                    for(int j = 0; j < argTypes.length; j++)
 
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                    {
 
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                        if(!argTypes[j].equals(types[j]))
 
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                        {
 
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                            match= false;
 
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                            break;
 
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                        }
 
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                    }
 
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                    if(match)
 
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                        return i;
 
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                }
 
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            }
 
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        }
 
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        throw new IllegalStateException("Method not found");
 
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    }
 
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    public static Tuple<String, Class<?>[]> getMethodInfo(int methodNumber, Class<?> remoteInterface)
 
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    {
 
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        Method[] methods = remoteInterface.getMethods();
 
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        Arrays.sort(methods, methodComparator);
 
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         if(s_logger.isLoggable(Level.FINEST)) {
 
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            s_logger.fine("Sorted methods:" + Arrays.asList(methods));
 
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        } 
 
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        return new Tuple<String, Class<?>[]>(methods[methodNumber].getName(), methods[methodNumber].getParameterTypes());
 
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    }
 
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    /**
 
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     * get methods does not guarantee an order, so sort.
 
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     */
 
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    private static Comparator<Method> methodComparator = new Comparator<Method>()
 
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    {
 
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        public int compare(Method o1, Method o2)
 
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        {
 
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            if(o1 == o2)
 
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                return 0;
 
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            if(!o1.getName().equals(o2.getName()))
 
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                return o1.getName().compareTo(o2.getName());
 
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            Class<?>[] t1 = o1.getParameterTypes();
 
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            Class<?>[] t2 = o2.getParameterTypes();
 
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            //both null
 
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            if(t1 == t2)
 
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                return 0;
 
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            if(t1 == null)
 
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                return -1;
 
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            if(t2 == null)
 
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                return 1;
 
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            if(t1.length != t2.length)
 
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                return t1.length - t2.length;
 
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            for(int i =0; i < t1.length; i++)
 
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            {
 
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                if(!t1[i].getName().equals(t2[i].getName()))
 
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                {
 
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                    return t1[i].getName().compareTo(t2[i].getName());
 
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                }
 
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            }
 
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            return 0;
 
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        }
 
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    };
 
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}