Improvement/fix

app/src/main/java/eu/faircode/email/MessageHelper.java

@@ -1750,24 +1750,15 @@ public class MessageHelper {
                     return null;
                 }
 
-                // Get content type
-                ContentType ct;
-                try {
-                    ct = new ContentType(h.part.getContentType());
-                } catch (ParseException ex) {
-                    Log.e(ex);
-                    ct = new ContentType();
-                }
-
                 // Check character set
-                String charset = ct.getParameter("charset");
+                String charset = h.contentType.getParameter("charset");
                 if (UnknownCharsetProvider.charsetForMime(charset) == null)
                     warnings.add(context.getString(R.string.title_no_charset, charset));
 
                 if ((TextUtils.isEmpty(charset) || charset.equalsIgnoreCase(StandardCharsets.US_ASCII.name())))
                     charset = null;
 
-                if (h.part.isMimeType("text/plain")) {
+                if (h.contentType.getBaseType().equalsIgnoreCase("text/plain")) {
                     Charset cs = null;
                     try {
                         if (charset != null)
@@ -1794,10 +1785,10 @@ public class MessageHelper {
                         }
                     }
 
-                    if ("flowed".equalsIgnoreCase(ct.getParameter("format")))
+                    if ("flowed".equalsIgnoreCase(h.contentType.getParameter("format")))
                         result = HtmlHelper.flow(result);
                     result = "<div x-plain=\"true\">" + HtmlHelper.formatPre(result) + "</div>";
-                } else if (h.part.isMimeType("text/html")) {
+                } else if (h.contentType.getBaseType().equalsIgnoreCase("text/html")) {
                     // Fix incorrect UTF16
                     if (charset != null)
                         try {
@@ -1824,7 +1815,7 @@ public class MessageHelper {
                         for (Element meta : d.select("meta")) {
                             if ("Content-Type".equalsIgnoreCase(meta.attr("http-equiv"))) {
                                 try {
-                                    ct = new ContentType(meta.attr("content"));
+                                    ContentType ct = new ContentType(meta.attr("content"));
                                     charset = ct.getParameter("charset");
                                 } catch (ParseException ex) {
                                     Log.w(ex);
@@ -1869,8 +1860,8 @@ public class MessageHelper {
                                 }
                         }
                     }
-                } else if (h.part.isMimeType("message/delivery-status") ||
-                        h.part.isMimeType("message/disposition-notification")) {
+                } else if (h.contentType.getBaseType().equalsIgnoreCase("message/delivery-status") ||
+                        h.contentType.getBaseType().equalsIgnoreCase("message/disposition-notification")) {
                     StringBuilder report = new StringBuilder();
                     report.append("<hr><div style=\"font-family: monospace; font-size: small;\">");
                     for (String line : result.split("\\r?\\n")) {