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202 lines
8.8 KiB
202 lines
8.8 KiB
3 years ago
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package com.fr.plugin.mail.fold;
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import com.fr.base.Base64;
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import com.fr.base.EmailAttachment;
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import com.fr.page.web.EmailCssHolder;
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import com.fr.stable.CommonCodeUtils;
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import com.fr.stable.StringUtils;
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import com.fr.stable.email.EmailAttachmentProvider;
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import com.fr.stable.html.Tag;
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import com.fr.web.core.ReportSessionIDInfor;
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import com.fr.web.email.EmailPreviewContentReader;
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import javax.activation.DataHandler;
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import javax.mail.MessagingException;
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import javax.mail.internet.MimeBodyPart;
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import javax.mail.internet.MimeMultipart;
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import javax.servlet.http.HttpServletRequest;
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import java.util.*;
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/**
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* @Author: fr.open
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* @Date: 2020/8/11 16:36
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* 模板正文导出成html或者base64图片
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*/
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public class TagUtils {
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public static String exportTemplateAsHtml(HttpServletRequest req, ReportSessionIDInfor sessionIDInfor) throws Exception {
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Map<String, String> cssMap = EmailCssHolder.getInstance().getCssMap("/com/fr/web/core/css/report.core.css");
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// Tag reportContentTag = MA.F().B(req, sessionIDInfor);
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Tag reportContentTag = EmailPreviewContentReader.getInstance().getContentTag(req, sessionIDInfor);
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Set<String> classGroupSet = getAllClsGroup(reportContentTag);
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StringBuffer finalcss = new StringBuffer();
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for (String clsGroup : classGroupSet) {
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String[] claArr = clsGroup.split(" ");
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String key = clsGroup.replace(" ", "");
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StringBuffer mergecss = new StringBuffer("{");
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for (String cls : claArr) {
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String text = cssMap.get("." + cls);
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if (StringUtils.isNotEmpty(text)) {
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text = text.replace("*", ""); // outlook 网页端不兼容*号css样式，*是outlook全局样式
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/* if (!StringUtils.contains(text,"word-break")&&!StringUtils.contains(text,"word-wrap")){
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mergecss.append(text.substring(text.indexOf("{") + 1, text.lastIndexOf("}"))).append(";");
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}*/
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mergecss.append(text.substring(text.indexOf("{") + 1, text.lastIndexOf("}"))).append(";");
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}
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}
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if (!"{".equals(mergecss.toString())) {
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mergecss.append("}");
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finalcss.append(".").append(key).append(" ").append(mergecss);
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}
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}
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finalcss.append("table.x-table{overflow:visible;line-height:1;}");//QQ邮箱样式影响
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finalcss.append("td{line-height:1 !important;}");//网易邮箱样式影响
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// setTdNowrap(reportContentTag);
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Set<Tag> allUndisplayTag = findAllUndisplayTag(reportContentTag);
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String contetTag = reportContentTag.toString();
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for (Tag tag : allUndisplayTag) {
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contetTag = contetTag.replace(tag.toString(), ""); // 把隐藏的tag不输出,outlook客户端不兼容display:none的style样式
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}
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String bodyContent = "<style type=\"text/css\" id=\"_fr_content_style\">" + finalcss + "</style>" + contetTag;
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changeBase64ToPng(bodyContent);
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return bodyContent;
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}
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private static Set<String> getAllClsGroup(Tag tag) {
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Set<String> result = new HashSet<String>();
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if (tag != null) {
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String tagCls = tag.getClassList().toString();
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if (StringUtils.isNotEmpty(tagCls)) {
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result.add(tagCls);
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}
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List subList = tag.getSubHtmlList();
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if (subList != null) {
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for (int i = 0; i < subList.size(); i++) {
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Object html = subList.get(i);
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if (html instanceof Tag) {
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result.addAll(getAllClsGroup((Tag) html));
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if ("td".equals(((Tag) html).getTagName())) {
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html = new JoinedTag((Tag) html);
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subList.set(i, html);
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}
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}
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}
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}
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}
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return result;
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}
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private static Set<Tag> findAllUndisplayTag(Tag tag) {
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Set<Tag> result = new HashSet();
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if (tag != null) {
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String tagStyle = tag.getStyleList().toString();
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if (StringUtils.contains(tagStyle, "display:none")) {
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result.add(tag);
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}
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List subList = tag.getSubHtmlList();
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if (subList != null) {
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for (int i = 0; i < subList.size(); i++) {
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Object html = subList.get(i);
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if (html instanceof Tag) {
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result.addAll(findAllUndisplayTag((Tag) html));
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}
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}
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}
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}
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return result;
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}
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//((Tag) html).setAttributes((Map<String, String>) new HashMap().put("nowrap","nowrap"));
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private static void setTdNowrap(Tag tag) {
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if (tag != null) {
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if ("td".equals(tag.getTagName())) {
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tag.setAttributes((Map<String, String>) new HashMap().put("nowrap", "nowrap"));
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}
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List subList = tag.getSubHtmlList();
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if (subList != null) {
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for (int i = 0; i < subList.size(); i++) {
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Object html = subList.get(i);
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if (html instanceof Tag) {
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setTdNowrap((Tag) html);
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}
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}
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}
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}
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}
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public static EmailAttachment[] buildBase64ToPngEmailAttachment(String bodyContent) throws MessagingException {
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ArrayList emailAttachmentsGroup = new ArrayList<EmailAttachment>();
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String defaultName = "templateImage";
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String base64Tag = "data:image/png;base64,";
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MimeMultipart multipart = new MimeMultipart();
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if (bodyContent.contains(base64Tag)) {
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MimeBodyPart htmlPart = new MimeBodyPart();
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while (bodyContent.contains(base64Tag)) {
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int start = bodyContent.indexOf(base64Tag);
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int end = bodyContent.indexOf("></img>", start);
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String base64 = bodyContent.substring(start + base64Tag.length(), end);
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String cidPrefix = defaultName+ UUID.randomUUID();
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bodyContent = bodyContent.substring(0, start) + "cid:" + cidPrefix + "\"" + bodyContent.substring(end);
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// 跟代码看到com.fr.base.EmailManager.sendWithRecord里面，setFormat直接给的null，这里暂时先用null
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String setFormat = null;
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htmlPart.setContent(bodyContent, setFormat);
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EmailAttachment emailAttachment = new EmailAttachment(Base64.decode(CommonCodeUtils.attributeHtmlDecode(base64)), cidPrefix);
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emailAttachmentsGroup.add(emailAttachment);
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}
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}
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int size = emailAttachmentsGroup.size();
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EmailAttachment[] emailAttachments = new EmailAttachment[size];
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if (!emailAttachmentsGroup.isEmpty()){
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for (int i=0;i<size;i++){
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EmailAttachment attachment = (EmailAttachment) emailAttachmentsGroup.get(i);
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emailAttachments[i] = attachment;
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}
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}
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return emailAttachments;
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}
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public static MimeMultipart changeBase64ToPng(String bodyContent) throws MessagingException {
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String defaultName = "templateImage";
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String base64Tag = "data:image/png;base64,";
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MimeMultipart multipart = new MimeMultipart();
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if (bodyContent.contains(base64Tag)) {
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MimeBodyPart htmlPart = new MimeBodyPart();
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while (bodyContent.contains(base64Tag)) {
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int start = bodyContent.indexOf(base64Tag);
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int end = bodyContent.indexOf("></img>", start);
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String base64 = bodyContent.substring(start + base64Tag.length(), end);
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String cidPrefix = defaultName+ UUID.randomUUID();
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bodyContent = bodyContent.substring(0, start) + "cid:" + cidPrefix + "\"" + bodyContent.substring(end);
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// 跟代码看到com.fr.base.EmailManager.sendWithRecord里面，setFormat直接给的null，这里暂时先用null
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String setFormat = null;
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htmlPart.setContent(bodyContent, setFormat);
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addImagePart(multipart, new EmailAttachment(Base64.decode(CommonCodeUtils.attributeHtmlDecode(base64)), cidPrefix), cidPrefix);
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}
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multipart.addBodyPart(htmlPart);
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}
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return multipart;
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}
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private static void addImagePart(MimeMultipart mimeMultipart, EmailAttachmentProvider provider, String filename) throws MessagingException {
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MimeBodyPart mimeBodyPart = new MimeBodyPart();
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mimeBodyPart.setDataHandler(new DataHandler(provider.getByteArrayDataSource()));
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mimeBodyPart.setHeader("Content-ID", "<" + filename + ">");
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mimeBodyPart.setFileName(filename + ".png");
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mimeBodyPart.setDisposition("inline");
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mimeMultipart.addBodyPart(mimeBodyPart);
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}
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}
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