java利用jni操作注册表

java自带有一个prefs包，可以简单地在固定的节点中写入些信息，但感觉太受局限，而且在注册表中一眼就能找出来，因此找到了各利用jni插件来操作注册表的方法，应用灵活，与大家分享我的代码：

/**//*
 * WriteRegedit.java
 *
 * Created on 2008年3月5日, 下午6:16
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package RegeditInfo;

import com.ice.jni.registry.*;
import java.text.SimpleDateFormat;
import java.util.TimerTask;

/** *//**
 *
 * @author heavens
 */
public class RegeditBase ...{
    
    static SimpleDateFormat shortDateFormat  = new SimpleDateFormat("yyyy-MM-dd");
    /** *//** Creates a new instance of test */
   
   //把信息存储到注册表HKEY_LOCAL_MACHINE下的某个节点的某一变量中，有则修改，无则创建
    public static boolean setValue(String folder,String subKeyNode,String subKeyName,String subKeyValue)
    ...{
        try 
        ...{     
            RegistryKey software = Registry.HKEY_LOCAL_MACHINE.openSubKey(folder);
            RegistryKey subKey = software.createSubKey(subKeyNode, "");      
            subKey.setValue(new RegStringValue(subKey,subKeyName,subKeyValue));
            subKey.closeKey();  
            return true;
        } 
        catch(NoSuchKeyException e) 
        ...{      
            e.printStackTrace();    
        } 
        catch(NoSuchValueException e)
        ...{
            e.printStackTrace();   
        }
        catch(RegistryException e) 
        ...{      
            e.printStackTrace();    
        }  
       return false;
    }
    
    //删除注册表中某节点下的某个变量
    public static boolean deleteValue(String folder,String subKeyNode,String subKeyName)
    ...{
        try 
        ...{      
            RegistryKey software = Registry.HKEY_LOCAL_MACHINE.openSubKey(folder);
            RegistryKey subKey = software.createSubKey(subKeyNode, "");    
            subKey.deleteValue(subKeyName);
            subKey.closeKey();   
            return true;
        } 
        catch (NoSuchKeyException e) 
        ...{      
            e.printStackTrace();   
        }
        catch(NoSuchValueException e)
        ...{
            e.printStackTrace();   
        }
        catch (RegistryException e)
        ...{     
            e.printStackTrace();    
        }
        return false;
    }
    
    //删除注册表中某节点下的某节点
    public static boolean deleteSubKey(String folder,String subKeyNode)
    ...{
        try 
        ...{      
            RegistryKey software = Registry.HKEY_LOCAL_MACHINE.openSubKey(folder);
            software.deleteSubKey(subKeyNode);
            software.closeKey();   
            return true;
        } 
        catch (NoSuchKeyException e) 
        ...{      
            e.printStackTrace();   
        } 
        catch (RegistryException e)
        ...{     
            e.printStackTrace();    
        }
        return false;
    }
    
    //打开注册表项并读出相应的变量名的值  
    public static String getValue(String folder,String subKeyNode,String subKeyName)
    ...{
        String value = "";
        try 
        ...{      
            RegistryKey software = Registry.HKEY_LOCAL_MACHINE.openSubKey(folder);
            RegistryKey subKey = software.openSubKey(subKeyNode); 
            value = subKey.getStringValue(subKeyName); 
            subKey.closeKey();  
        } 
        catch (NoSuchKeyException e) 
        ...{      
            value = "NoSuchKey";
            //e.printStackTrace();   
        } 
        catch(NoSuchValueException e)
        ...{
            value = "NoSuchValue";
            //e.printStackTrace();   
        }
        catch (RegistryException e)
        ...{     
            e.printStackTrace();    
        }
        return value;
    }
  /**//*
    //测试
    public static void main(String[] args)
    {
        String today = shortDateFormat.format(new java.util.Date());
        setValue("SOFTWARE","Plan\RegistInfo","RegistDate",today);
        String value = getValue("SOFTWARE","Plan\RegistInfo","LastLoginDate");

        System.out.println(getValue("SOFTWARE","Plan\RegistInfo","LastLoginDate"));
        //deleteValue("SOFTWARE","Plan\RegistInfo","LastLoginDate");

       
          java.util.Timer timer = new java.util.Timer();   
          timer.scheduleAtFixedRate(new TimerTask(){
             public void run()
             {
                 System.out.println(getValue("SOFTWARE","EPlan\RegistInfo","LastLoginDate"));
             }
          },5000,2000);
        
    }
  */
}

 

此方法需要调用Registry.jar包以及ICE_JNIRegistry.dll。dll去放在system32里即可，或者其它自定义的classpath

http://www.gjt.org/download/time/java/jnireg/registry-3.1.3.zip