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亘古��石 — Fri, 18 Jan 2008 14:02:00 GMT

自己实在是个懒�h�Q�blog隑־�更新一�ơ，更新也是一些鸡毛蒜皮的��东�ѝ��不�q�还是希望能对其他朋友或自己��来遇到�c�M��问题能有个解�{�。最新在做一个swing��目�Q�客戯��求能把JInternalFrame的Title bar��L��Q�同时还能加回来。由于网上搜一下没有找到解军_��法，只能自己研究一下�ƈ改了下JInternalFrame,先记录如下：

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Rectangle;
import java.awt.event.ComponentEvent;
import java.awt.peer.ComponentPeer;
import java.beans.PropertyVetoException;

import javax.swing.ActionMap;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JDesktopPane;
import javax.swing.JInternalFrame;
import javax.swing.UIManager;
import javax.swing.plaf.InternalFrameUI;
import javax.swing.plaf.basic.BasicInternalFrameUI;

public class MCOCInternalFrame extends JInternalFrame {

   //private String lookAndFeel = null;
   BasicInternalFrameUI orgUi = null;
   BasicInternalFrameUI newUi = null;
   JComponent northPanel = null;
   private boolean isHidden = false;


   public MCOCInternalFrame() {
       super();

       northPanel = ((javax.swing.plaf.basic.BasicInternalFrameUI) this.getUI()).getNorthPane();
       orgUi = ((javax.swing.plaf.basic.BasicInternalFrameUI) this.getUI());
       newUi = new BasicInternalFrameUI(this);
   }


   public void showNorthPanel() {


       this.setUI(orgUi);
       this.putClientProperty("JInternalFrame.isPalette", Boolean.FALSE);
       isHidden = false;

   }

   public void hideNorthPanel() {
       this.setUI(newUi);
       ((javax.swing.plaf.basic.BasicInternalFrameUI) this.getUI()).setNorthPane(null);
       this.putClientProperty("JInternalFrame.isPalette", Boolean.TRUE);
       isHidden = true;

   }

   public void updateUI() {

            super.updateUI();
            if (isHidden) {
               hideNorthPanel();
            }
   }

}

创徏该InternalFrame对象后，通过showNorthPanel(), hideNorthPanel()来显�C�或隐藏title bar,另外updateUI()重写是因为界面被动态改变lookandfeel�Ӟ��保证title bar上多的一��个bar出现�?br />

亘古��石 2008-01-18 22:02 发表评论

javax mail 发送邮件及附�g

亘古��石 — Fri, 18 Jan 2008 13:50:00 GMT

MailSender.java

import java.util.ArrayList;
import java.util.Iterator;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

import org.apache.log4j.Logger;

public class MailSender {
public static Logger logger = Logger.getLogger(MailSender.class);
public static boolean send(Mail mail) throws Exception {
  try {
   Properties props = new Properties();
   props.put("mail.smtp.host", "localhost");
   Session session = Session.getDefaultInstance(props, null);
   MimeMessage mimemessage = new MimeMessage(session);
   mimemessage.setFrom(new InternetAddress(mail.getFrom()));
   mimemessage.setSentDate(mail.getDate());
   // set SUBJECT
   mimemessage.setSubject(mail.getSubject());

   // set TO address
   String mailto = mail.getTo();
   String ccmailid = mail.getCcusers();
   String strResult = "";
   try {
    mimemessage.setRecipients(javax.mail.Message.RecipientType.TO,
      mailto);
   } catch (Exception exception1) {
    throw exception1;
   }

   // set message BODY
   MimeBodyPart mimebodypart = new MimeBodyPart();
   mimebodypart.setText(mail.getContent());

   // attach message BODY
   MimeMultipart mimemultipart = new MimeMultipart();
   mimemultipart.addBodyPart(mimebodypart);

   // attach FILE
   ArrayList attachedFileList = mail.getAttachedFileList();
   if (attachedFileList != null) {
    DataSource ds = null;;
    for (Iterator e = attachedFileList.iterator(); e.hasNext();) {
     ds = (DataSource) e.next();
     mimebodypart = new MimeBodyPart();
     try {
      mimebodypart.setDataHandler(new DataHandler(
        ds));
     } catch (Exception exception3) {
      throw exception3;
     }
     mimebodypart.setFileName(ds.getName()); // set FILENAME
     mimemultipart.addBodyPart(mimebodypart);
    }
   }// end if
   mimemessage.setContent(mimemultipart);
   // set CC MAIL and SEND the mail
   if (!mailto.equals("")) {
    // set CC MAIL
    if (ccmailid != null && (!ccmailid.equals("")))
     mimemessage.setRecipients(
       javax.mail.Message.RecipientType.CC, ccmailid);
    try {
     // send MAIL
     Transport.send(mimemessage);
     logger.info(mailto + " Sent Successfully..........");
    } catch (Exception exception4) {
     throw exception4;
    }
   } else {
    logger.info(mailto + " Mail operation Failed..........");
   }
  } catch (Exception e) {
   throw e;
  }
  return true;
}

}

Mail.java
import java.util.ArrayList;
import java.util.Date;
import java.util.StringTokenizer;

public class Mail {

private String from = null;
private String to = null;
private String subject = null;
private String content = null;
private String ccusers = null;
private ArrayList attachedFileList = null;
private Date date = null;

public Mail() {
// TODO Auto-generated constructor stub
}

public ArrayList getAttachedFileList() {
return attachedFileList;
}

public void setAttachedFileList(ArrayList attachedFileList) {
this.attachedFileList = attachedFileList;
}

public String getContent() {
return content;
}

public void setContent(String content) {
this.content = content;
}

public String getFrom() {
return from;
}

public void setFrom(String from) {
this.from = from;
}

public String getSubject() {
return subject;
}

public void setSubject(String subject) {
this.subject = subject;
}

public String getTo() {
return to;
}

public void setTo(String to) {
this.to = to;
}

public Date getDate() {
return date;
}

public void setDate(Date date) {
this.date = date;
}

public String getCcusers() {
return ccusers;
}

public void setCcusers(String ccusers) {
this.ccusers = ccusers;
}

}

亘古��石 2008-01-18 21:50 发表评论

密码的加解密

亘古��石 — Mon, 30 Jul 2007 02:42:00 GMT

很长旉��没有更新自己的blog了，最�q�忙一个基于alfreco的项目开发，赶快把用到的一些东西记录一下，谁让自己记性不好呢。这里是password的加解密:
PasswordUtil.java

import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.Security;

import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class PasswordUtil {
public final static int ITERATION_NUMBER = 1000;
public static final String algorithm = "Blowfish";// we can use DES,DESede,Blowfish

/**
*
* @param password
* @return
* @throws Exception
*/
public static PasswordBean encry(String password) throws Exception {
Security.addProvider(new com.sun.crypto.provider.SunJCE());

  try {
   KeyGenerator keygen = KeyGenerator.getInstance(algorithm);
   SecretKey deskey = keygen.generateKey();
   Cipher c1 = Cipher.getInstance(algorithm);
   c1.init(Cipher.ENCRYPT_MODE, deskey);
   byte[] cipherByte = c1.doFinal(password.getBytes());
   String saltKey = PasswordUtil.byteToBase64(deskey.getEncoded());
   String pass = PasswordUtil.byteToBase64(cipherByte);
   return new PasswordBean(saltKey, pass);
   //System.out.println("After encry:" + key + "====" + password);
  } catch (Exception e) {
   throw e;
  }
}

/**
*
* @param bean
* @return
* @throws Exception
*/
public static String decry(PasswordBean bean) throws Exception {
  return decry(bean.getSaltKey(), bean.getPassword());
}

/**
*
* @param saltKey
* @param pass
* @return
* @throws Exception
*/
public static String decry(String saltKey, String pass) throws Exception {
  //Security.addProvider(new com.sun.crypto.provider.SunJCE());
  try {
   Security.addProvider(new com.sun.crypto.provider.SunJCE());
   byte[] keyser = PasswordUtil.base64ToByte(saltKey);
   javax.crypto.spec.SecretKeySpec destmp = new javax.crypto.spec.SecretKeySpec(keyser, algorithm);
   SecretKey mydeskey = destmp;

   Cipher c1 = Cipher.getInstance(algorithm);
   c1.init(Cipher.DECRYPT_MODE, mydeskey);
   byte[] clearByte = c1.doFinal(PasswordUtil.base64ToByte(pass));
   return new String(clearByte);
  } catch (Exception e) {
   //e.printStackTrace();
   System.out.println("saltKey:" + saltKey + "   pass:" + pass) ;
   throw e;
  }
}

/**
* From a password, a number of iterations and a salt, returns the
* corresponding digest
*
* @param iterationNb
*            int The number of iterations of the algorithm
* @param password
*            String The password to encrypt
* @param salt
*            byte[] The salt
* @return byte[] The digested password
* @throws NoSuchAlgorithmException
*             If the algorithm doesn't exist
*/
public static byte[] getHash(int iterationNb, String password, byte[] salt)
   throws NoSuchAlgorithmException {
  MessageDigest digest = MessageDigest.getInstance("SHA-1");
  digest.reset();
  digest.update(salt);
  byte[] input = digest.digest(password.getBytes());
  for (int i = 0; i < iterationNb; i++) {
   digest.reset();
   input = digest.digest(input);
  }
  return input;
}

/**
* From a base 64 representation, returns the corresponding byte[]
*
* @param data
*            String The base64 representation
* @return byte[]
* @throws IOException
*/
public static byte[] base64ToByte(String data) throws IOException {
  BASE64Decoder decoder = new BASE64Decoder();
  return decoder.decodeBuffer(data);
}

/**
* From a byte[] returns a base 64 representation
*
* @param data
*            byte[]
* @return String
* @throws IOException
*/
public static String byteToBase64(byte[] data) {
  BASE64Encoder endecoder = new BASE64Encoder();
  return endecoder.encode(data);
}
}

PasswordBean.java

public class PasswordBean {

private String saltKey = null;
private String password = null;

public PasswordBean(String key, String pass) {
  this.saltKey = key;
  this.password = pass;
}

public String getPassword() {
  return password;
}
public void setPassword(String password) {
  this.password = password;
}
public String getSaltKey() {
  return saltKey;
}
public void setSaltKey(String saltKey) {
  this.saltKey = saltKey;
}

}

使用的时候可以是�Q?br>String password = PasswordUtil.decry(salt, encodePassword);
PasswordBean passwordBean = PasswordUtil.encry(password);

亘古��石 2007-07-30 10:42 发表评论

System.getProperty()参数大全

亘古��石 — Wed, 28 Mar 2007 12:12:00 GMT

常用到System.getProperty(), 而参数老不记得�Q�这里脓一下，省得下次�ȝ��.

java.version	Java Runtime Environment version
java.vendor	Java Runtime Environment vendor
java.vendor.url	Java vendor URL
java.home	Java installation directory
java.vm.specification.version	Java Virtual Machine specification version
java.vm.specification.vendor	Java Virtual Machine specification vendor
java.vm.specification.name	Java Virtual Machine specification name
java.vm.version	Java Virtual Machine implementation version
java.vm.vendor	Java Virtual Machine implementation vendor
java.vm.name	Java Virtual Machine implementation name
java.specification.version	Java Runtime Environment specification version
java.specification.vendor	Java Runtime Environment specification vendor
java.specification.name	Java Runtime Environment specification name
java.class.version	Java class format version number
java.class.path	Java class path
java.library.path	List of paths to search when loading libraries
java.io.tmpdir	Default temp file path
java.compiler	Name of JIT compiler to use
java.ext.dirs	Path of extension directory or directories
os.name	Operating system name
os.arch	Operating system architecture
os.version	Operating system version
file.separator	File separator ("/" on UNIX)
path.separator	Path separator (":" on UNIX)
line.separator	Line separator ("\n" on UNIX)
user.name	User's account name
user.home	User's home directory
user.dir	User's current working directory

亘古��石 2007-03-28 20:12 发表评论

一个时代的�l�束!

亘古��石 — Sun, 10 Sep 2006 15:27:00 GMT

说实�?一直不惛_��q�里写一些不是关于技术方面的东西.但是今天,我实在想写一点什�?今天舒马赫宣布退役了!
令我自己也想不�?��Z��么是今天.而不是米�?哈基宁退出F1的那一�?也不是Montoya退出的那一�?因�ؓ我一直是他们两个的�R�q?�?8�q�开始看F1以来,一直是一个不向着舒马赫的车迷(倒和�l�纶�U�夫差不�?不过我可没那本事和舒�c�_��着�q?呵呵).
刚开�?一直喜�Ƣ哈基宁,因�ؓ只有他才能从舒马赫手中夺取年度冠�?而且不止一��?但是随着Ferrari的强盛一�?麦克拉��u没落�?我心中的英雄也暗焉��?然后,�Ȁ情四��的哥��u比亚人Montoya来了,他也一度给舒米刉��了不少�ȝ��,而且看他开车我也会充满�Ȁ�?而且最喜欢他跑今天的蒙扎赛�?在Williams时就在蒙扎取的过冠军,��d��也是,可是今年�?昔日的蒙扎英雄何�?
哈基宁的退��Z�o��Z��?长期的压抑作��Z��的�R�q�也可以感受��C��的心�?Montoya的退出实在是太突然了,�H�然的我都不会说话了.
今天舒米也退�?作�ؓ车迷�q�是很伤�?毕竟我的偶像们都曾是他的手下败将!他的技术却实高��Z��{?虽然不少时候他也做法卑�?毕竟是�h�?也可以理�?
所以今天写点胡�?�U�念一下舒�c?同时也�ؓ�q�忆(当然不恰当的说法�?一下我的两位偶�?

亘古��石 2006-09-10 23:27 发表评论

debian etch中设�|�postgresql 8.1

亘古��石 — Wed, 06 Sep 2006 08:44:00 GMT

数据库方面一直喜�Ƣ用postgresql,最�q�重装了debian.安装的时候发现可以用apt-get �Ҏ��安装postgresql�?��安装了一�?�l�果装完发现居然没有启动,仔细一看初始化也没�?debian�q�一点做的有点不应该�?!于是自己重新做了一�?现在��C��?不要下次忘了.HOHO!记性不�?
用postgres��d��,切换到目�?usr/lib/postgresql/8.1/bin(是系�l�安装的目录,居然没有讄��成Path�?.�q�行./initdb -D /usr/local/pgsql/data(当然,后面的目录也没有,自己建先),成功�q�行以后��可以启动了. ./postmaster -D /usr/local/pgsql/data
不知道debian安装默认允许非本机用��L��录伐,我先看看...

亘古��石 2006-09-06 16:44 发表评论

亘古��石 — Thu, 20 Apr 2006 02:42:00 GMT

在网上可以看到很多判断判断url是否合法的regular expressions.但是�l�常是要么缺��protocol,要么�~�少port的判断，�q�里自己写一个：
public static boolean isValidURL(String value) {
  Pattern pattern = Pattern.compile("(.*://)?([\\w-]+\\.)+[\\w-]+(:\\d+)?(/[^/.]*)*(/[^/]+\\.[^/\\?]+)(\\?&*([^&=]+=[^&=]*)&*(&[^&=]+=[^&=]*)*&*)");
  Matcher m = pattern.matcher(value);
  if (m.matches())
   return true;

  return false;
}

判断url中data是否�W�合规则�Q?br />&*([^&=]+=[^&=]*)&*(&[^&=]+=[^&=]*)*&*

亘古��石 2006-04-20 10:42 发表评论

亘古��石 — Fri, 13 Jan 2006 07:31:00 GMT

在RCP�E�序中最��化�H�口到系�l�托盘�ƈ不像SWT�E�序那样直接。在�|�上找了一�D�代码，自己试验通过了，现在贴出来大家分享�?BR>在RCP中��承WorkbenchAdvisor的子�c�M��d��下面代码��可以了�?BR>
public void postStartup() {
  super.postStartup();
  final Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
  shell.addShellListener(new ShellAdapter() {
   public void shellIconified(ShellEvent e) {
    shell.setVisible(false);
   }
  });
  createSystemTray();

}

private void createSystemTray() {
  Tray tray = Display.getDefault().getSystemTray();
  TrayItem item = new TrayItem(tray, SWT.NONE);
  item.setText("JDishNetwork");
  item.setToolTipText("JDishNetwork");
  Image image = new Image(Display.getDefault(), 16, 16);
  item.setImage(image);
  this.trayManager = new TrayItemManager();
  item.addSelectionListener(this.trayManager);
  item.addListener(SWT.MenuDetect, this.trayManager);
}

private class TrayItemManager implements SelectionListener, Listener {
  // TODO: Convert to one class
  private final class WindowStateListener extends SelectionAdapter {
   public void widgetSelected(SelectionEvent e) {
    minimizeWindow();
   }
  }
  private final class RestoreWindowListener extends SelectionAdapter {
   public void widgetSelected(SelectionEvent e) {
    restoreWindow();
   }
  }
  private boolean minimized = false;
  private Menu menu;
  private MenuItem[] menuItems = new MenuItem[0];
  private RestoreWindowListener restoreWindowListener;
  private WindowStateListener minimizeWindowListener;

  public TrayItemManager() {
   this.menu = new Menu(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), SWT.POP_UP);
   this.restoreWindowListener = new RestoreWindowListener();
   this.minimizeWindowListener = new WindowStateListener();

}

  protected void closeApplication() {
   PlatformUI.getWorkbench().close();
  }

  public void widgetSelected(SelectionEvent e) {
   //
  }

  public void widgetDefaultSelected(SelectionEvent e) {
   if (this.minimized) {
    restoreWindow();
   } else {
    minimizeWindow();
   }
  }

  protected void minimizeWindow() {
   PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().setMinimized(true);
   this.minimized = true;
  }

  protected void restoreWindow() {
   Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
   shell.open();
   shell.setMinimized(false);
   shell.forceActive();
   shell.forceFocus();
   this.minimized = false;
  }

  public void showMenu() {
   clearItems();
   MenuItem mi;
   MenuItem closeItem;
   mi = new MenuItem(this.menu, SWT.PUSH);
   closeItem = new MenuItem(this.menu, SWT.NONE);
   closeItem.setText("Close");
   closeItem.addSelectionListener(new SelectionAdapter() {
    public void widgetSelected(SelectionEvent e) {
     closeApplication();
    }
   });
   this.menuItems = new MenuItem[] { mi, closeItem };

   if (this.minimized) {
    mi.setText("Maximize");
    mi.addSelectionListener(this.restoreWindowListener);
   } else {
    mi.setText("Minimize");
    mi.addSelectionListener(this.minimizeWindowListener);
   }
   this.menu.setVisible(true);
  }

  private void clearItems() {
   for (int i = 0; i < this.menuItems.length; i++) {
    MenuItem item = this.menuItems[i];
    item.removeSelectionListener(this.minimizeWindowListener);
    item.removeSelectionListener(this.restoreWindowListener);
    this.menuItems[i].dispose();
   }
  }

  public void handleEvent(Event event) {
   showMenu();
  }

}

亘古��石 2006-01-13 15:31 发表评论

我的source.list

亘古��石 — Tue, 06 Dec 2005 05:07:00 GMT

deb http://ftp.hk.debian.org/debian/ sid main
deb http://ftp.hk.debian.org/debian/ experimental main
#deb http://pkg-gnome.alioth.debian.org/debian/ experimental main
deb http://security.debian.org/ testing/updates main
#deb http://ftp.debian.org/debian/ testing main

亘古��石 2005-12-06 13:07 发表评论

亘古��石 — Wed, 30 Nov 2005 02:25:00 GMT

摘要: 在swt提供的browser �c�M��_��~�少不少有用的方法。我在��用时用到两个�Q�getText()和setUrl(String url, String post_data),分别取得当前打开��面的原代码和采用post方式打开��面。现在修改Browser�c�d��下：/**********************************************************************... 阅读全文

亘古��石 2005-11-30 10:25 发表评论