/*
 * IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
 *
 * http://izpack.org/
 * http://izpack.codehaus.org/
 *
 * Copyright 2004 Thorsten Kamann
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.izforge.izpack.util;

import com.izforge.izpack.panels.ProcessingClient;
import com.izforge.izpack.panels.Processor;

import java.io.BufferedReader;
import java.io.FileReader;

/**
 * @author thorsten-kamann
 */
public class UnixGroupProcessor implements Processor
{

    public String process(ProcessingClient client)
    {
        String retValue = "";
        String filepath = "/etc/group";
        BufferedReader reader = null;
        String line = "";

        try
        {
            reader = new BufferedReader(new FileReader(filepath));
            while ((line = reader.readLine()) != null)
            {
                retValue += line.substring(0, line.indexOf(":")) + ":";
            }
            if (retValue.endsWith(":"))
            {
                retValue = retValue.substring(0, retValue.length() - 1);
            }
        }
        catch (Exception ex)
        {
            retValue = "";
        }

        return retValue;
    }

}
