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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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package com.sun.enterprise.addon;

import java.io.*;
import java.util.*;

/**
 * This class maintains the registry, it is a warpper over Properties class.
 * @author servesh.singh@sun.com
 */
public class Registry {
    
    /** Creates a new instance of Registry */
    private Properties registry = null;
    FileOutputStream out = null;
    FileInputStream in = null;
    File registryFile = null; 
    
    public Registry() {
    }
    
    public void load(File registryFile) throws Exception {
        this.registryFile = registryFile;
        if(!registryFile.exists()) {
            registryFile.createNewFile();
        }
        in = new FileInputStream(registryFile);
        registry = new Properties();
        registry.load(in);
    }
    
    public String getProperty(String key) throws Exception{
         return registry.getProperty(key);
    }
    
    public void setProperty(String key, String value) throws Exception{
        registry.setProperty(key, value);
    }
    
    public void store() throws Exception{
        out = new FileOutputStream(registryFile);
        registry.store(out, null);  
        out.close();
    }
    
    public void close() throws Exception {
        if(in != null)
            in.close();
    }
    
}