MAIL内容搜索.doc

package webmail.mail.search;import javax.mail.*;import java.util.Iterator;import java.util.Date;import java.util.HashSet;import java.util.ArrayList;import java.util.Calendar;import java.util.Properties;import ernet.*;import javax.mail.search.*;import webmail.mail.search.PersonalTerm;import webmail.mail.search.JAttachTerm;import webmail.mail.search.JBodyTerm;import webmail.mail.*;import webmail.mail.MimeMessageParser;/* * description: 一个简单的邮件查找类，用来查找特定主题的邮件，特定日期，或者 * 是包含有附件的邮件 * lastmodify: 2004-10-09 * 注: JavaMail API中的javax.mail.search包中的BodyTerm和AttachTerm在使用时 * 有问题，这里使用我扩展SearchTerm的JBodyTerm和JAttachTerm，同时由于javax. * mail.search包中的SubjectTerm取邮件主题直接调用JavaMail的getSubject()方法 * 这样得到的结果有时候不正常，可以扩展SearchTerm来定义自己的Term(这个是下 * 一篇文章要写的内容) * author wang weiping of BeiJing flow.Inc * version v1.0.1 */public class MessageQuerier private String body = ; private ArrayList list = new ArrayList(); private int comparison = ComparisonTerm.EQ; public static final String OR = or; public static final String AND = and; /默认构造方法 public MessageQuerier() public void setComparison(String string) if (string.equals() comparison = ComparisonTerm.GE; else if (string.equals() comparison = ComparisonTerm.LE; public int getComparison() return parison; /* * 根据指定的字符串来查找所有邮件主题中包含此字符串的所有邮件 * param subject 邮件主题中所要包含的字符串 */ public void setSubject(String subject) SearchTerm subterm = new JSubjectTerm(subject); list.add(subterm); public void setRecipients(String recipients) try SearchTerm rterm = new RecipientTerm (Message.RecipientType.TO,new InternetAddress(recipients); list.add(rterm); catch(Exception ex) /ignore exception ex.printStackTrace(); public void setRecipientPersons(String recipientPersons) SearchTerm rpTerm = new RecipientPersonTerm(recipientPersons); list.add(rpTerm); /* * 根据指定的字符串来查找发件人地址中包含此字符串的所有邮件 * param from 设置发件人地址中要包含的字符串 */ public void setFrom(String from) try SearchTerm fterm = new FromTerm(new InternetAddress(from); list.add(fterm); catch (Exception ex) System.err.println(CoffeeWebMail reportException: + ex.toString(); ex.printStackTrace(); /* * Created 2004-10-9 * 此类用了自定义的查找器PersonalTerm,此类从javax.mail.search.StringTerm * 中继承下来，重写了StringTerm类的match()方法 * 根据发件人的姓名来查找此发件人发来的所有邮件 * param personal 设置发件人的姓名 */ public void setPersonal(String personal) try PersonalTerm pterm = new PersonalTerm(personal); list.add(pterm); catch (Exception ex) System.err.println(CoffeeWebMail reportException: + ex.toString(); ex.printStackTrace(); /* * Created 2004-10-09 * * 此类用到了自定义的查找器JAttachTerm,此类从javax.mail.search.SearchTerm中 * 直接继承下来，重写了SearchTerm类的match()方法 * 根据是否包含附件来查找匹配的所有邮件 * param flag 是否有附件的标志 true or false */ public void setAttachFlag(boolean flag) try SearchTerm jaterm = new JAttachTerm(flag); list.add(jaterm); catch (Exception ex) System.err.println(CoffeeWebMail reportException: + ex.toString(); ex.printStackTrace(); /* * Created 2004-10-09 * * 根据给定的字符串来查找邮件正文中包含此字符串的所有邮件 * param pattern 邮件正文要包含的字符串 */ public void setBodyText(String pattern) SearchTerm jbterm = new JBodyTerm(pattern); list.add(jbterm); / note: The dateFormat is eg: 2004-7-10 public void setReceiveDate(String date) int comparison = getComparison(); Date recdate = null; try recdate = getSearchDate(date); SearchTerm recterm = new ReceivedDateTerm(comparison, recdate); list.add(recterm); catch (Exception ex) System.err.println(CoffeeWebMail reportException: + ex.toString(); ex.printStackTrace(); public void setSentDate(String date) int comparison = getComparison(); Date sentdate = null; try sentdate = getSearchDate(date); SearchTerm recterm = new SentDateTerm(comparison, sentdate); list.add(recterm); catch (Exception ex) System.err.println(CoffeeWebMail reportException: + ex.toString(); ex.printStackTrace(); /* * 返回所有符合搜索条件的邮件数组 * return all messages that according the searchterm. * param-srchmodeand or or * param folder Folder 要搜索的邮件夹 * param srchmode String 搜索模式，搜索模式为其中之一: MessageQuerier.OR or MessageQuerier.AND * return Message 符合条件的所有消息数组 */ public Message getSrchMessages(Folder folder, String srchmode) SearchTerm sterm = null; Message msgs = null; /if(list.size() = 0) return null; SearchTerm sterms = new SearchTermlist.size(); try for (int i = 0; i 1) if (srchmode.equals(and) /debug info /System.out.println(and term :+sterms.length); sterm = new AndTerm(sterms); else if (srchmode.equals(or) sterm = new OrTerm(sterms); else if (sterms.length = 1) /debug info /System.out.println(sterms length is 1); sterm = sterms0; if (sterm = null) msgs = folder.getMessages(); else msgs = folder.search(sterm); catch (Exception ex) System.err.println(CoffeeWebMail reportException: + ex.toString(); ex.printStackTrace(); return msgs; /辅助方法 private Date getSearchDate(String date) String ymd = date.split(-); int year, month, day; Date srchdate = null; try year = Integer.parseInt(ymd0); month = Integer.parseInt(ymd1) - 1; day = Integer.parseInt(ymd2); Calendar cal = Calendar.getInstance(); cal.set(year, month, day); srchdate = cal.getTime(); catch (Exception ex) System.err.println(CoffeeWebMail reportException: + ex.toString(); ex.printStackTrace(); return srchdate; /一个测试代码 public static void main(String args) throws Exception String host = ; / String username = wwp_1124; /wwp_1124 String password = 3061643; / passwd Properties props = new Properties(); Session session = Session.getDefaultInstance(props, null); Store store = session.getStore(pop3); store.connect(host, username, password); Folder folder = store.getFolder(INBOX); folder.open(Folder.READ_ONLY); MessageQuerier mq = new MessageQuerier(); /mq.setAttach(true); /mq.setAttachFlag(true); mq.setFrom(); /mq.setSubject(你好); /mq.setBodyText(测试); mq.setPersonal(林昌东); Message msgs = mq.getSrchMessages(folder, MessageQuerier.OR); System.out.println(msgs.length); for (int i = 0; i ); MimeMessageParser mmp = MimeMessageParser.getMessageParser( (