Java Mail send email

package com.eastpro.batch.biz;
//import javax.activation.*;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.internet.*;
import javax.mail.*;
import java.io.UnsupportedEncodingException;
import java.util.*;
/**
 * Insert the type's description here. Creation date: (4/13/2001 4:09:33 PM)
 *
 * @author: Administrator
 */
public class JavaMail {
 public java.lang.String host = null;
 protected java.lang.String from;
 protected java.lang.String to;
 protected java.lang.String subject;
 protected String htmlText;
 protected String[] imgsPath = null;
 public javax.mail.Address invalidAddress[] = null;
 public javax.mail.Address validSentAddress[] = null;
 public javax.mail.Address validUnsentAddress[] = null;
 protected java.lang.String replyTo;
 protected java.lang.String cc = null;
 protected java.lang.String bcc;
 protected String contentType = null;
 protected String[] attachFile = null;
 protected String password;
 protected String username;
 public JavaMail() {
 }
 java.lang.String getBcc() {
  return bcc;
 }
 java.lang.String getCc() {
  return cc;
 }
 java.lang.String getReplyTo() {
  return replyTo;
 }
 public String getContentType() {
  return contentType;
 }
 public void setContentType(String contentType) {
  this.contentType = contentType;
 }
 public void setBcc(java.lang.String newBcc) {
  bcc = newBcc;
 }
 public void setCc(java.lang.String newCc) {
  cc = newCc;
 }
 public void setfrom(java.lang.String newfrom) {
  from = newfrom;
 }
 public void setHost(java.lang.String newHost) {
  host = newHost;
 }
 public void setHtmlText(String newHtmlText) {
  ht