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Code Issues Packages Projects Releases Wiki Activity

Refactoring

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This commit is contained in:
M66B
2022-09-17 11:59:35 +02:00
parent 2e9fe0667d
commit 3808e41e67
2 changed files with 107 additions and 114 deletions
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115
app/src/main/java/eu/faircode/email/ActivityEML.java
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@@ -63,23 +63,13 @@ import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Objects;
import java.util.Properties;
import javax.mail.Flags;
import javax.mail.Folder;
import javax.mail.Header;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.Part;
import javax.mail.Session;
import javax.mail.internet.ContentType;
import javax.mail.internet.MimeMessage;
public class ActivityEML extends ActivityBase {
@@ -308,7 +298,7 @@ public class ActivityEML extends ActivityBase {
int textColorLink = Helper.resolveColor(context, android.R.attr.textColorLink);
SpannableStringBuilder ssb = new SpannableStringBuilderEx();
getStructure(imessage, ssb, 0, textColorLink);
MessageHelper.getStructure(imessage, ssb, 0, textColorLink);
result.structure = ssb;
result.headers = HtmlHelper.highlightHeaders(context, helper.getHeaders(), false);
@@ -403,109 +393,6 @@ public class ActivityEML extends ActivityBase {
else
Log.unexpectedError(getSupportFragmentManager(), ex, false);
}
private void getStructure(Part part, SpannableStringBuilder ssb, int level, int textColorLink) {
try {
Enumeration<Header> headers;
if (level == 0) {
List<Header> h = new ArrayList<>();
String[] cte = part.getHeader("Content-Transfer-Encoding");
if (cte != null)
for (String header : cte)
h.add(new Header("Content-Transfer-Encoding", header));
String[] ct = part.getHeader("Content-Type");
if (ct == null)
h.add(new Header("Content-Type", "text/plain"));
else
for (String header : ct)
h.add(new Header("Content-Type", header));
headers = new Enumeration<Header>() {
private int index = -1;
@Override
public boolean hasMoreElements() {
return (index + 1 < h.size());
}
@Override
public Header nextElement() {
return h.get(++index);
}
};
} else
headers = part.getAllHeaders();
while (headers.hasMoreElements()) {
Header header = headers.nextElement();
for (int i = 0; i < level; i++)
ssb.append(" ");
int start = ssb.length();
ssb.append(header.getName());
ssb.setSpan(new ForegroundColorSpan(textColorLink), start, ssb.length(), 0);
ssb.append(": ").append(header.getValue()).append('\n');
}
for (int i = 0; i < level; i++)
ssb.append(" ");
int size = part.getSize();
ssb.append("Size: ")
.append(size > 0 ? Helper.humanReadableByteCount(size) : "?")
.append('\n');
if (BuildConfig.DEBUG &&
!part.isMimeType("multipart/*")) {
Object content = part.getContent();
if (content instanceof String) {
String text = (String) content;
String charset;
try {
ContentType ct = new ContentType(part.getContentType());
charset = ct.getParameter("charset");
} catch (Throwable ignored) {
charset = null;
}
if (charset == null)
charset = StandardCharsets.ISO_8859_1.name();
Charset cs = Charset.forName(charset);
Charset detected = CharsetHelper.detect(text, cs);
boolean isUtf8 = CharsetHelper.isUTF8(text.getBytes(cs));
boolean isUtf16 = CharsetHelper.isUTF16(text.getBytes(cs));
boolean isW1252 = !Objects.equals(text, CharsetHelper.utf8toW1252(text));
for (int i = 0; i < level; i++)
ssb.append(" ");
ssb.append("Detected: ")
.append(detected == null ? "?" : detected.toString())
.append(" isUTF8=").append(Boolean.toString(isUtf8))
.append(" isUTF16=").append(Boolean.toString(isUtf16))
.append(" isW1252=").append(Boolean.toString(isW1252))
.append('\n');
}
}
ssb.append('\n');
if (part.isMimeType("multipart/*")) {
Multipart multipart = (Multipart) part.getContent();
for (int i = 0; i < multipart.getCount(); i++)
try {
getStructure(multipart.getBodyPart(i), ssb, level + 1, textColorLink);
} catch (Throwable ex) {
Log.w(ex);
ssb.append(ex.toString()).append('\n');
}
}
} catch (Throwable ex) {
Log.w(ex);
ssb.append(ex.toString()).append('\n');
}
}
}.execute(this, args, "eml:decode");
}