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Code Issues Releases Wiki Activity

Extract code to parse a message header to its own class

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This commit is contained in:
cketti 2015-02-25 03:36:48 +01:00
parent e7f706b78d
commit 5330fe5b27
2 changed files with 121 additions and 68 deletions
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118
k9mail-library/src/main/java/com/fsck/k9/mail/message/MessageHeaderParser.java Normal file
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@ -0,0 +1,118 @@
package com.fsck.k9.mail.message;
import java.io.IOException;
import java.io.InputStream;
import com.fsck.k9.mail.MessagingException;
import com.fsck.k9.mail.Part;
import org.apache.james.mime4j.MimeException;
import org.apache.james.mime4j.parser.ContentHandler;
import org.apache.james.mime4j.parser.MimeStreamParser;
import org.apache.james.mime4j.stream.BodyDescriptor;
import org.apache.james.mime4j.stream.Field;
import org.apache.james.mime4j.stream.MimeConfig;
public class MessageHeaderParser {
public static void parse(final Part part, InputStream headerInputStream) throws MessagingException {
MimeStreamParser parser = getMimeStreamParser();
parser.setContentHandler(new MessageHeaderParserContentHandler(part));
try {
parser.parse(headerInputStream);
} catch (MimeException me) {
throw new MessagingException("Error parsing headers", me);
} catch (IOException e) {
throw new MessagingException("I/O error parsing headers", e);
}
}
private static MimeStreamParser getMimeStreamParser() {
MimeConfig parserConfig = new MimeConfig();
parserConfig.setMaxHeaderLen(-1);
parserConfig.setMaxLineLen(-1);
parserConfig.setMaxHeaderCount(-1);
return new MimeStreamParser(parserConfig);
}
private static class MessageHeaderParserContentHandler implements ContentHandler {
private final Part part;
public MessageHeaderParserContentHandler(Part part) {
this.part = part;
}
@Override
public void field(Field rawField) throws MimeException {
String name = rawField.getName();
String raw = rawField.getRaw().toString();
try {
part.addRawHeader(name, raw);
} catch (MessagingException e) {
throw new RuntimeException(e);
}
}
@Override
public void startMessage() throws MimeException {
/* do nothing */
}
@Override
public void endMessage() throws MimeException {
/* do nothing */
}
@Override
public void startBodyPart() throws MimeException {
/* do nothing */
}
@Override
public void endBodyPart() throws MimeException {
/* do nothing */
}
@Override
public void startHeader() throws MimeException {
/* do nothing */
}
@Override
public void endHeader() throws MimeException {
/* do nothing */
}
@Override
public void preamble(InputStream is) throws MimeException, IOException {
/* do nothing */
}
@Override
public void epilogue(InputStream is) throws MimeException, IOException {
/* do nothing */
}
@Override
public void startMultipart(BodyDescriptor bd) throws MimeException {
/* do nothing */
}
@Override
public void endMultipart() throws MimeException {
/* do nothing */
}
@Override
public void body(BodyDescriptor bd, InputStream is) throws MimeException, IOException {
/* do nothing */
}
@Override
public void raw(InputStream is) throws MimeException, IOException {
/* do nothing */
}
}
}

71
k9mail/src/main/java/com/fsck/k9/mailstore/LocalFolder.java
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@ -50,15 +50,10 @@ import com.fsck.k9.mail.internet.MimeHeader;
import com.fsck.k9.mail.internet.MimeMessage;
import com.fsck.k9.mail.internet.MimeMultipart;
import com.fsck.k9.mail.internet.SizeAware;
import com.fsck.k9.mail.message.MessageHeaderParser;
import com.fsck.k9.mailstore.LockableDatabase.DbCallback;
import com.fsck.k9.mailstore.LockableDatabase.WrappedException;
import org.apache.commons.io.IOUtils;
import org.apache.james.mime4j.MimeException;
import org.apache.james.mime4j.parser.ContentHandler;
import org.apache.james.mime4j.parser.MimeStreamParser;
import org.apache.james.mime4j.stream.BodyDescriptor;
import org.apache.james.mime4j.stream.Field;
import org.apache.james.mime4j.stream.MimeConfig;
import org.apache.james.mime4j.util.MimeUtil;
@ -738,68 +733,8 @@ public class LocalFolder extends Folder<LocalMessage> implements Serializable {
}
}
private void parseHeaderBytes(final Part part, byte[] header) throws MessagingException {
MimeConfig parserConfig = new MimeConfig();
parserConfig.setMaxHeaderLen(-1);
parserConfig.setMaxLineLen(-1);
parserConfig.setMaxHeaderCount(-1);
MimeStreamParser parser = new MimeStreamParser(parserConfig);
parser.setContentHandler(new ContentHandler() {
@Override
public void field(Field rawField) throws MimeException {
String name = rawField.getName();
String raw = rawField.getRaw().toString();
try {
part.addRawHeader(name, raw);
} catch (MessagingException e) {
throw new RuntimeException(e);
}
}
@Override
public void startMessage() throws MimeException { /* do nothing */ }
@Override
public void endMessage() throws MimeException { /* do nothing */ }
@Override
public void startBodyPart() throws MimeException { /* do nothing */ }
@Override
public void endBodyPart() throws MimeException { /* do nothing */ }
@Override
public void startHeader() throws MimeException { /* do nothing */ }
@Override
public void endHeader() throws MimeException { /* do nothing */ }
@Override
public void preamble(InputStream is) throws MimeException, IOException { /* do nothing */ }
@Override
public void epilogue(InputStream is) throws MimeException, IOException { /* do nothing */ }
@Override
public void startMultipart(BodyDescriptor bd) throws MimeException { /* do nothing */ }
@Override
public void endMultipart() throws MimeException { /* do nothing */ }
@Override
public void body(BodyDescriptor bd, InputStream is) throws MimeException, IOException { /* do nothing */ }
@Override
public void raw(InputStream is) throws MimeException, IOException { /* do nothing */ }
});
try {
parser.parse(new ByteArrayInputStream(header));
} catch (MimeException me) {
throw new MessagingException("Error parsing headers", me);
} catch (IOException e) {
throw new MessagingException("I/O error parsing headers", e);
}
private void parseHeaderBytes(Part part, byte[] header) throws MessagingException {
MessageHeaderParser.parse(part, new ByteArrayInputStream(header));
}
@Override