68 lines
2.5 KiB
Java
68 lines
2.5 KiB
Java
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package com.ruoyi.common.utils;
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import lombok.extern.slf4j.Slf4j;
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import javax.mail.*;
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import javax.mail.internet.MimeMessage;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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@Slf4j
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public final class EmailUtil {
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private static final String multipart = "multipart/*";
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public static String getMessageId(Part part, Session session) throws Exception {
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if (!part.isMimeType(multipart)) {
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return "";
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}
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Multipart multipart = (Multipart) part.getContent();
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for (int i = 0; i < multipart.getCount(); i++) {
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BodyPart bodyPart = multipart.getBodyPart(i);
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if(bodyPart.getContentType().contains("Message/Rfc822")){
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MimeMessage mimeMessage = new MimeMessage(session, bodyPart.getInputStream());
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if(mimeMessage.getSubject()!=null&&mimeMessage.getSubject().contains("裁决书")){
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String[] split = mimeMessage.getSubject().split("裁决书");
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if(split.length>0){
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return split[0];
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}
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}
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}
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} return "";
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}
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public static boolean isContainAttachment(Part part) {
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boolean attachFlag = false;
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try {
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if (part.isMimeType(multipart)) {
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Multipart mp = (Multipart) part.getContent();
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for (int i = 0; i < mp.getCount(); i++) {
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BodyPart mpart = mp.getBodyPart(i);
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String disposition = mpart.getDisposition();
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if ((disposition != null) && ((disposition.equals(Part.ATTACHMENT)) || (disposition.equals(Part.INLINE))))
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attachFlag = true;
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else if (mpart.isMimeType(multipart)) {
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attachFlag = isContainAttachment((Part) mpart);
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} else {
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String contype = mpart.getContentType();
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if (contype.toLowerCase().contains("application"))
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attachFlag = true;
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if (contype.toLowerCase().contains("name"))
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attachFlag = true;
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}
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}
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} else if (part.isMimeType("message/rfc822")) {
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attachFlag = isContainAttachment((Part) part.getContent());
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}
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} catch (MessagingException | IOException e) {
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e.printStackTrace();
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}
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return attachFlag;
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}
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}
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