attachment.java

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package cn.js.fan.mail;

import javax.mail.*;
import javax.mail.internet.*;
import cn.js.fan.util.*;
import java.io.InputStream;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */
public class Attachment {
  String name = "";
  int size = 0;
  int num = 0;
  Part part;
  String ext = "";

  public Attachment(Part part, int num) {
    this.part = part;
    try {
      name = StrUtil.UnicodeToGB(part.getFileName());
      if (name!=null)
        ext = name.substring(name.length() - 3, name.length()).toLowerCase(); //取得扩展名
      else
        ext = "";
      size = part.getSize();
    }
    catch (Exception e) {
      System.out.println("Attachment:"+e.getMessage());
    }
    this.num = num;
  }

  public String getName() {
    return name;
  }

  public String getExt() {
    return ext;
  }

  public int getSize() {
    return size;
  }

  /**
   * 取得附件在邮件中的序号，即第几个附件
   * @return
   */
  public int getNum() {
    return num;
  }

  public InputStream getInputStream() throws Exception {
    return part.getInputStream();
  }
}