com.upokecenter.mail.HeaderFieldParsers Maven / Gradle / Ivy
package com.upokecenter.mail;
/*
Written by Peter O. in 2014.
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
If you like this, you should donate to Peter O.
at: http://upokecenter.dreamhosters.com/articles/donate-now-2/
*/
import java.util.*;
import com.upokecenter.util.*;
import com.upokecenter.text.*;
final class HeaderFieldParsers {
private HeaderFieldParsers() {
}
private static final class UnstructuredHeaderField implements IHeaderFieldParser {
public String DowngradeFieldValue(String str) {
return Rfc2047.EncodeString(str);
}
public String DecodeEncodedWords(String str) {
// For unstructured header fields.
return Rfc2047.DecodeEncodedWords(
str,
0,
str.length(),
EncodedWordContext.Unstructured);
}
public boolean IsStructured() {
return false;
}
public int Parse(String str, int index, int endIndex, ITokener tokener) {
return endIndex;
}
}
private static abstract class StructuredHeaderField implements IHeaderFieldParser {
public abstract int Parse(
String str,
int index,
int endIndex,
ITokener tokener);
private List ParseGroupLists(
String str,
int index,
int endIndex) {
ArrayList groups = new ArrayList();
Tokener tokener = new Tokener();
this.Parse(str, index, endIndex, tokener);
for (int[] token : tokener.GetTokens()) {
if (token[0] == HeaderParserUtility.TokenGroup) {
int startIndex = token[1];
endIndex = token[2];
String groupList = HeaderParserUtility.ParseGroupList(
str,
startIndex,
endIndex);
groupList = ParserUtility.TrimSpaceAndTab(groupList);
groups.add(groupList);
}
}
return groups;
}
public String DowngradeFieldValue(String str) {
String originalString = str;
List originalGroups = null;
for (int phase = 0; phase < 5; ++phase) {
if (str.indexOf('(') < 0 && phase == 0) {
// No comments in the header field value, a common case
continue;
}
if (!Message.HasTextToEscape(str)) {
// No text needs to be encoded
return str;
}
StringBuilder sb = new StringBuilder();
Tokener tokener = new Tokener();
int endIndex = this.Parse(str, 0, str.length(), tokener);
if (endIndex != str.length()) {
// The header field is syntactically invalid,
// so downgrading is not possible
return str;
}
int lastIndex = 0;
// Get each relevant token sorted by starting index
List tokens = tokener.GetTokens();
int groupIndex = 0;
// TODO: Received field downgrading
for (int[] token : tokens) {
if (token[1] < lastIndex) {
continue;
}
// NOTE: Doesn't downgrade ID-Left or ID-Right
// if extended characters appear in those areas
if (phase == 0) { // Comment downgrading
if (token[0] == HeaderParserUtility.TokenComment) {
int startIndex = token[1];
endIndex = token[2];
// System.out.println(str.substring(startIndex, (startIndex)+(endIndex -
// startIndex)));
if (Message.HasTextToEscape(str, startIndex, endIndex)) {
String newComment = Rfc2047.EncodeComment(
str,
startIndex,
endIndex);
sb.append(str.substring(lastIndex, (lastIndex)+(startIndex - lastIndex)));
sb.append(newComment);
} else {
// No text needs to be escaped, output the comment as is
sb.append(str.substring(lastIndex, (lastIndex)+(endIndex - lastIndex)));
}
lastIndex = endIndex;
}
} else if (phase == 1) { // Phrase downgrading
if (token[0] == HeaderParserUtility.TokenPhrase) {
int startIndex = token[1];
endIndex = token[2];
String newComment = Rfc2047.EncodePhraseText(
str,
startIndex,
endIndex,
tokens);
sb.append(str.substring(lastIndex, (lastIndex)+(startIndex - lastIndex)));
sb.append(newComment);
lastIndex = endIndex;
}
} else if (phase == 2) { // Group downgrading
if (token[0] == HeaderParserUtility.TokenGroup) {
int startIndex = token[1];
endIndex = token[2];
boolean nonasciiLocalParts = false;
int displayNameEnd = -1;
String originalGroupList;
for (int[] token2 : tokens) {
if (token2[0] == HeaderParserUtility.TokenPhrase) {
if (displayNameEnd < 0) {
displayNameEnd = token2[2];
}
}
if (token2[0] == HeaderParserUtility.TokenLocalPart) {
if (token2[1] >= startIndex && token2[2] <= endIndex) {
// Local part within a group
if (
Message.HasTextToEscapeIgnoreEncodedWords(
str,
token2[1],
token2[2])) {
nonasciiLocalParts = true;
break;
}
}
}
}
if (!nonasciiLocalParts) {
int localLastIndex = startIndex;
boolean nonasciiDomains = false;
StringBuilder sb2 = new StringBuilder();
for (int[] token2 : tokens) {
if (token2[0] == HeaderParserUtility.TokenDomain) {
if (token2[1] >= startIndex && token2[2] <= endIndex) {
// Domain within the group
String domain = HeaderParserUtility.ParseDomain(
str,
token2[1],
token[2]);
// NOTE: "domain" can include domain literals, enclosed
// in brackets; they are invalid under
// "IsValidDomainName" .
domain = (
Message.HasTextToEscapeIgnoreEncodedWords(
domain,
0,
domain.length()) && Idna.IsValidDomainName(
domain,
false)) ? Idna.EncodeDomainName(
domain) : str.substring(
token2[1], (
token2[1])+(token2[2] - token2[1]));
if (
Message.HasTextToEscapeIgnoreEncodedWords(
domain,
0,
domain.length())) {
// ASCII encoding failed
nonasciiDomains = true;
break;
}
sb2.append(
str.substring(
localLastIndex, (
localLastIndex)+(token2[1] - localLastIndex)));
sb2.append(domain);
localLastIndex = token2[2];
}
}
}
nonasciiLocalParts = nonasciiDomains;
if (!nonasciiLocalParts) {
// All of the domains could be converted to ASCII
sb2.append(
str.substring(
localLastIndex, (
localLastIndex)+(endIndex - localLastIndex)));
sb.append(str.substring(lastIndex, (lastIndex)+(startIndex - lastIndex)));
sb.append(sb2.toString());
lastIndex = endIndex;
}
}
if (nonasciiLocalParts) {
// At least some of the domains could not
// be converted to ASCII
originalGroups = (originalGroups == null) ? (this.ParseGroupLists(originalString, 0, originalString.length())) : originalGroups;
originalGroupList = originalGroups.get(groupIndex);
String groupText = originalGroupList;
String displayNameText = str.substring(
startIndex, (
startIndex)+(displayNameEnd - startIndex));
String encodedText = displayNameText + " " +
Rfc2047.EncodeString(groupText) + " :;";
sb.append(str.substring(lastIndex, (lastIndex)+(startIndex - lastIndex)));
sb.append(encodedText);
lastIndex = endIndex;
}
++groupIndex;
}
} else if (phase == 3) { // Mailbox downgrading
if (token[0] == HeaderParserUtility.TokenMailbox) {
int startIndex = token[1];
endIndex = token[2];
boolean nonasciiLocalPart = false;
boolean hasPhrase = false;
for (int[] token2 : tokens) {
hasPhrase |= token2[0] == HeaderParserUtility.TokenPhrase;
if (token2[0] == HeaderParserUtility.TokenLocalPart) {
if (token2[1] >= startIndex && token2[2] <= endIndex) {
if (
Message.HasTextToEscapeIgnoreEncodedWords(
str,
token2[1],
token2[2])) {
nonasciiLocalPart = true;
break;
}
}
}
}
if (!nonasciiLocalPart) {
int localLastIndex = startIndex;
boolean nonasciiDomains = false;
StringBuilder sb2 = new StringBuilder();
for (int[] token2 : tokens) {
if (token2[0] == HeaderParserUtility.TokenDomain) {
if (token2[1] >= startIndex && token2[2] <= endIndex) {
// Domain within the group
String domain = HeaderParserUtility.ParseDomain(
str,
token2[1],
token[2]);
// NOTE: "domain" can include domain literals, enclosed
// in brackets; they are invalid under
// "IsValidDomainName" .
domain = (
Message.HasTextToEscapeIgnoreEncodedWords(
domain,
0,
domain.length()) && Idna.IsValidDomainName(
domain,
false)) ? Idna.EncodeDomainName(
domain) : str.substring(
token2[1], (
token2[1])+(token2[2] - token2[1]));
if (
Message.HasTextToEscapeIgnoreEncodedWords(
domain,
0,
domain.length())) {
// ASCII encoding failed
nonasciiDomains = true;
break;
}
sb2.append(
str.substring(
localLastIndex, (
localLastIndex)+(token2[1] - localLastIndex)));
sb2.append(domain);
localLastIndex = token2[2];
}
}
}
nonasciiLocalPart = nonasciiDomains;
if (!nonasciiLocalPart) {
// All of the domains could be converted to ASCII
sb2.append(
str.substring(
localLastIndex, (
localLastIndex)+(endIndex - localLastIndex)));
sb.append(str.substring(lastIndex, (lastIndex)+(startIndex - lastIndex)));
sb.append(sb2.toString());
lastIndex = endIndex;
}
}
// Downgrading failed
if (nonasciiLocalPart) {
sb.append(str.substring(lastIndex, (lastIndex)+(startIndex - lastIndex)));
if (!hasPhrase) {
String addrSpec = str.substring(
token[1], (
token[1])+(token[2] - token[1]));
String encodedText = " " + Rfc2047.EncodeString(addrSpec) +
" :;";
sb.append(encodedText);
} else {
// Has a phrase, extract the addr-spec and convert
// the mailbox to a group
int angleAddrStart = HeaderParser.ParsePhrase(
str,
token[1],
token[2],
null);
// append the rest of the String so far up to and
// including the phrase
sb.append(
str.substring(
lastIndex, (
lastIndex)+(angleAddrStart - lastIndex)));
int addrSpecStart = HeaderParser.ParseCFWS(
str,
angleAddrStart,
token[2],
null);
if (addrSpecStart < token[2] && str.charAt(addrSpecStart) == '<') {
++addrSpecStart;
}
addrSpecStart = HeaderParser.ParseObsRoute(
str,
addrSpecStart,
token[2],
null);
int addrSpecEnd = HeaderParser.ParseAddrSpec(
str,
addrSpecStart,
token[2],
null);
String addrSpec = str.substring(
addrSpecStart, (
addrSpecStart)+(addrSpecEnd - addrSpecStart));
boolean endsWithSpace = sb.length() > 0 && (sb.charAt(sb.length() - 1)
== 0x20 || sb.charAt(sb.length() - 1) == 0x09);
String encodedText = (endsWithSpace ? "" : " ") +
Rfc2047.EncodeString(addrSpec) + " :;";
sb.append(encodedText);
}
lastIndex = endIndex;
}
++groupIndex;
}
}
}
sb.append(str.substring(lastIndex, (lastIndex)+(str.length() - lastIndex)));
str = sb.toString();
}
return str;
}
public String DecodeEncodedWords(String str) {
// For structured header fields that allow comments only wherever
// whitespace
// is allowed, and allow parentheses only for comments
if (str.length() < 9) {
// too short for encoded words
return str;
}
if (str.indexOf("=?") < 0) {
// No encoded words
return str;
}
StringBuilder sb = new StringBuilder();
Tokener tokener = new Tokener();
int endIndex = this.Parse(str, 0, str.length(), tokener);
if (endIndex != str.length()) {
// The header field is syntactically invalid,
// so don't decode any encoded words
// System.out.println("Invalid syntax: " + this.getClass().getName() +
// ", " + str);
return str;
}
int lastIndex = 0;
// Get each relevant token sorted by starting index
List tokens = tokener.GetTokens();
for (int[] token : tokens) {
// System.out.println("" + token[0] + " [" +
// (str.substring(token[1],(token[1])+(token[2]-token[1]))) + "]");
if (token[0] == HeaderParserUtility.TokenComment && token[0] >=
lastIndex) {
// This is a comment token
int startIndex = token[1];
endIndex = token[2];
String newComment = Rfc2047.DecodeEncodedWords(
str,
startIndex + 1,
endIndex - 1,
EncodedWordContext.Comment);
sb.append(str.substring(lastIndex, (lastIndex)+(startIndex + 1 - lastIndex)));
sb.append(newComment);
lastIndex = endIndex - 1;
} else if (token[0] == HeaderParserUtility.TokenPhrase) {
// This is a phrase token
int startIndex = token[1];
endIndex = token[2];
String newComment = Rfc2047.DecodePhraseText(
str,
startIndex,
endIndex,
tokens,
true);
sb.append(str.substring(lastIndex, (lastIndex)+(startIndex - lastIndex)));
sb.append(newComment);
lastIndex = endIndex;
}
}
sb.append(str.substring(lastIndex, (lastIndex)+(str.length() - lastIndex)));
return sb.toString();
}
public boolean IsStructured() {
return true;
}
}
private static final class HeaderX400ContentReturn extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderX400ContentReturn(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderDeliveryDate extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderDeliveryDate(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderPriority extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderPriority(str, index, endIndex, tokener);
}
}
private static final class HeaderImportance extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderImportance(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderSensitivity extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderSensitivity(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderX400ContentIdentifier extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderX400ContentIdentifier(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderX400Received extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderX400Received(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderX400MtsIdentifier extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderX400MtsIdentifier(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderX400Originator extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderX400Originator(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderX400Recipients extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderX400Recipients(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderConversion extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderConversion(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderConversionWithLoss extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderConversionWithLoss(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderSupersedes extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderSupersedes(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderAutoforwarded extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderAutoforwarded(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderGenerateDeliveryReport extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderGenerateDeliveryReport(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderIncompleteCopy extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderIncompleteCopy(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderPreventNondeliveryReport extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderPreventNondeliveryReport(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderAlternateRecipient extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderAlternateRecipient(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderDiscloseRecipients extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderDiscloseRecipients(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderNewsgroups extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderNewsgroups(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderPath extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderPath(str, index, endIndex, tokener);
}
}
private static final class HeaderArchive extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderArchive(str, index, endIndex, tokener);
}
}
private static final class HeaderControl extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderControl(str, index, endIndex, tokener);
}
}
private static final class HeaderDistribution extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderDistribution(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderFollowupTo extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderFollowupTo(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderInjectionDate extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderInjectionDate(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderInjectionInfo extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderInjectionInfo(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderUserAgent extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderUserAgent(str, index, endIndex, tokener);
}
}
private static final class HeaderXref extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderXref(str, index, endIndex, tokener);
}
}
private static final class HeaderAcceptLanguage extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderAcceptLanguage(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderArchivedAt extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderArchivedAt(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderAuthenticationResults extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderAuthenticationResults(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderAutoSubmitted extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderAutoSubmitted(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderBcc extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderBcc(str, index, endIndex, tokener);
}
}
private static final class HeaderContentBase extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderContentBase(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderContentDisposition extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderContentDisposition(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderContentDuration extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderContentDuration(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderContentId extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderContentId(str, index, endIndex, tokener);
}
}
private static final class HeaderContentLanguage extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderContentLanguage(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderContentLocation extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderContentLocation(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderContentMd5 extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderContentMd5(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderContentTransferEncoding extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderContentTransferEncoding(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderContentType extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderContentType(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderDate extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderDate(str, index, endIndex, tokener);
}
}
private static final class HeaderDeferredDelivery extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderDeferredDelivery(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderDispositionNotificationOptions extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderDispositionNotificationOptions(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderDispositionNotificationTo extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderDispositionNotificationTo(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderDkimSignature extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderDkimSignature(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderEdiintFeatures extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderEdiintFeatures(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderEncoding extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderEncoding(str, index, endIndex, tokener);
}
}
private static final class HeaderEncrypted extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderEncrypted(str, index, endIndex, tokener);
}
}
private static final class HeaderFrom extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderFrom(str, index, endIndex, tokener);
}
}
private static final class HeaderInReplyTo extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderInReplyTo(str, index, endIndex, tokener);
}
}
private static final class HeaderJabberId extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderJabberId(str, index, endIndex, tokener);
}
}
private static final class HeaderKeywords extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderKeywords(str, index, endIndex, tokener);
}
}
private static final class HeaderLanguage extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderLanguage(str, index, endIndex, tokener);
}
}
private static final class HeaderLatestDeliveryTime extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderLatestDeliveryTime(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderListId extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderListId(str, index, endIndex, tokener);
}
}
private static final class HeaderMessageContext extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMessageContext(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMessageId extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMessageId(str, index, endIndex, tokener);
}
}
private static final class HeaderMimeVersion extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMimeVersion(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsAcp127MessageIdentifier extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsAcp127MessageIdentifier(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsCodressMessageIndicator extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsCodressMessageIndicator(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsCopyPrecedence extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsCopyPrecedence(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsExemptedAddress extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsExemptedAddress(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsExtendedAuthorisationInfo extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsExtendedAuthorisationInfo(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsHandlingInstructions extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsHandlingInstructions(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsMessageInstructions extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsMessageInstructions(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsMessageType extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsMessageType(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsOriginatorPlad extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsOriginatorPlad(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsOriginatorReference extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsOriginatorReference(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsOtherRecipientsIndicatorCc extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsOtherRecipientsIndicatorCc(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsOtherRecipientsIndicatorTo extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsOtherRecipientsIndicatorTo(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsPrimaryPrecedence extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsPrimaryPrecedence(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMmhsSubjectIndicatorCodes extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMmhsSubjectIndicatorCodes(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderMtPriority extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderMtPriority(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderObsoletes extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderObsoletes(str, index, endIndex, tokener);
}
}
private static final class HeaderOriginalRecipient extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderOriginalRecipient(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderReceived extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderReceived(str, index, endIndex, tokener);
}
}
private static final class HeaderReceivedSpf extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderReceivedSpf(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderRequireRecipientValidSince extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderRequireRecipientValidSince(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderResentTo extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderResentTo(str, index, endIndex, tokener);
}
}
private static final class HeaderReturnPath extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderReturnPath(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderSender extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderSender(str, index, endIndex, tokener);
}
}
private static final class HeaderSolicitation extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderSolicitation(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderTo extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderTo(str, index, endIndex, tokener);
}
}
private static final class HeaderVbrInfo extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderVbrInfo(str, index, endIndex, tokener);
}
}
private static final class HeaderXArchivedAt extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderXArchivedAt(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderXRicevuta extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderXRicevuta(str, index, endIndex, tokener);
}
}
private static final class HeaderXTiporicevuta extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderXTiporicevuta(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderXTrasporto extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderXTrasporto(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderXVerificasicurezza extends StructuredHeaderField {
@Override public int Parse(
String str,
int index,
int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderXVerificasicurezza(
str,
index,
endIndex,
tokener);
}
}
private static final class HeaderEesstVersion extends StructuredHeaderField {
@Override public int Parse(String str, int index, int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderEesstVersion(str, index, endIndex,
tokener);
}
}
private static final class HeaderSioLabel extends StructuredHeaderField {
@Override public int Parse(String str, int index, int endIndex,
ITokener tokener) {
return HeaderParser.ParseHeaderSioLabel(str, index, endIndex, tokener);
}
}
private static Map fieldMap =
CreateHeaderFieldList();
private static final IHeaderFieldParser Unstructured = new
UnstructuredHeaderField();
private static Map CreateHeaderFieldList() {
// NOTE: Header fields not mentioned here are treated as unstructured
fieldMap = new HashMap();
fieldMap.put("content-return",new HeaderX400ContentReturn());
fieldMap.put("x400-content-return",new HeaderX400ContentReturn());
fieldMap.put("delivery-date",new HeaderDeliveryDate());
fieldMap.put("priority",new HeaderPriority());
fieldMap.put("importance",new HeaderImportance());
fieldMap.put("sensitivity",new HeaderSensitivity());
fieldMap.put("reply-by",new HeaderDate());
fieldMap.put("x400-content-identifier",new HeaderX400ContentIdentifier());
fieldMap.put("x400-received",new HeaderX400Received());
fieldMap.put("x400-mts-identifier",new HeaderX400MtsIdentifier());
fieldMap.put("x400-trace",new HeaderX400Received());
fieldMap.put("x400-originator",new HeaderX400Originator());
fieldMap.put("x400-recipients",new HeaderX400Recipients());
fieldMap.put("conversion",new HeaderConversion());
fieldMap.put("conversion-with-loss",new HeaderConversionWithLoss());
fieldMap.put("supersedes",new HeaderSupersedes());
fieldMap.put("expires",new HeaderDate());
fieldMap.put("autoforwarded",new HeaderAutoforwarded());
fieldMap.put("generate-delivery-report",new HeaderGenerateDeliveryReport());
fieldMap.put("incomplete-copy",new HeaderIncompleteCopy());
fieldMap.put("prevent-nondelivery-report" ,new
HeaderPreventNondeliveryReport());
fieldMap.put("alternate-recipient",new HeaderAlternateRecipient());
fieldMap.put("disclose-recipients",new HeaderDiscloseRecipients());
fieldMap.put("newsgroups",new HeaderNewsgroups());
fieldMap.put("path",new HeaderPath());
fieldMap.put("archive",new HeaderArchive());
fieldMap.put("control",new HeaderControl());
fieldMap.put("distribution",new HeaderDistribution());
fieldMap.put("followup-to",new HeaderFollowupTo());
fieldMap.put("injection-date",new HeaderInjectionDate());
fieldMap.put("injection-info",new HeaderInjectionInfo());
fieldMap.put("user-agent",new HeaderUserAgent());
fieldMap.put("xref",new HeaderXref());
fieldMap.put("accept-language",new HeaderAcceptLanguage());
fieldMap.put("archived-at",new HeaderArchivedAt());
fieldMap.put("authentication-results",new HeaderAuthenticationResults());
fieldMap.put("auto-submitted",new HeaderAutoSubmitted());
fieldMap.put("base",new HeaderContentBase());
fieldMap.put("bcc",new HeaderBcc());
fieldMap.put("cc",new HeaderTo());
fieldMap.put("content-base",new HeaderContentBase());
fieldMap.put("content-disposition",new HeaderContentDisposition());
fieldMap.put("content-duration",new HeaderContentDuration());
fieldMap.put("content-id",new HeaderContentId());
fieldMap.put("content-language",new HeaderContentLanguage());
fieldMap.put("content-location",new HeaderContentLocation());
fieldMap.put("content-md5",new HeaderContentMd5());
fieldMap.put("content-transfer-encoding" ,new
HeaderContentTransferEncoding());
fieldMap.put("content-type",new HeaderContentType());
fieldMap.put("date",new HeaderDate());
fieldMap.put("deferred-delivery",new HeaderDeferredDelivery());
fieldMap.put("disposition-notification-options" ,new
HeaderDispositionNotificationOptions());
fieldMap.put("disposition-notification-to" ,new
HeaderDispositionNotificationTo());
fieldMap.put("dkim-signature",new HeaderDkimSignature());
fieldMap.put("ediint-features",new HeaderEdiintFeatures());
fieldMap.put("eesst-version",new HeaderEesstVersion());
fieldMap.put("encoding",new HeaderEncoding());
fieldMap.put("encrypted",new HeaderEncrypted());
fieldMap.put("expiry-date",new HeaderDate());
fieldMap.put("from",new HeaderFrom());
fieldMap.put("in-reply-to",new HeaderInReplyTo());
fieldMap.put("jabber-id",new HeaderJabberId());
fieldMap.put("keywords",new HeaderKeywords());
fieldMap.put("language",new HeaderLanguage());
fieldMap.put("latest-delivery-time",new HeaderLatestDeliveryTime());
fieldMap.put("list-id",new HeaderListId());
fieldMap.put("message-context",new HeaderMessageContext());
fieldMap.put("message-id",new HeaderMessageId());
fieldMap.put("mime-version",new HeaderMimeVersion());
fieldMap.put("mmhs-acp127-message-identifier" ,new
HeaderMmhsAcp127MessageIdentifier());
fieldMap.put("mmhs-codress-message-indicator" ,new
HeaderMmhsCodressMessageIndicator());
fieldMap.put("mmhs-copy-precedence",new HeaderMmhsCopyPrecedence());
fieldMap.put("mmhs-exempted-address",new HeaderMmhsExemptedAddress());
fieldMap.put("mmhs-extended-authorisation-info" ,new
HeaderMmhsExtendedAuthorisationInfo());
fieldMap.put("mmhs-handling-instructions" ,new
HeaderMmhsHandlingInstructions());
fieldMap.put("mmhs-message-instructions" ,new
HeaderMmhsMessageInstructions());
fieldMap.put("mmhs-message-type",new HeaderMmhsMessageType());
fieldMap.put("mmhs-originator-plad",new HeaderMmhsOriginatorPlad());
fieldMap.put("mmhs-originator-reference" ,new
HeaderMmhsOriginatorReference());
fieldMap.put("mmhs-other-recipients-indicator-cc" ,new
HeaderMmhsOtherRecipientsIndicatorCc());
fieldMap.put("mmhs-other-recipients-indicator-to" ,new
HeaderMmhsOtherRecipientsIndicatorTo());
fieldMap.put("mmhs-primary-precedence",new HeaderMmhsPrimaryPrecedence());
fieldMap.put("mmhs-subject-indicator-codes" ,new
HeaderMmhsSubjectIndicatorCodes());
fieldMap.put("mt-priority",new HeaderMtPriority());
fieldMap.put("obsoletes",new HeaderObsoletes());
fieldMap.put("original-from",new HeaderFrom());
fieldMap.put("original-message-id",new HeaderMessageId());
fieldMap.put("original-recipient",new HeaderOriginalRecipient());
fieldMap.put("received",new HeaderReceived());
fieldMap.put("received-spf",new HeaderReceivedSpf());
fieldMap.put("references",new HeaderInReplyTo());
fieldMap.put("reply-to",new HeaderResentTo());
fieldMap.put("require-recipient-valid-since" ,new
HeaderRequireRecipientValidSince());
fieldMap.put("resent-bcc",new HeaderBcc());
fieldMap.put("resent-cc",new HeaderResentTo());
fieldMap.put("resent-date",new HeaderDate());
fieldMap.put("resent-from",new HeaderFrom());
fieldMap.put("resent-message-id",new HeaderMessageId());
fieldMap.put("resent-reply-to",new HeaderResentTo());
fieldMap.put("resent-sender",new HeaderSender());
fieldMap.put("resent-to",new HeaderResentTo());
fieldMap.put("return-path",new HeaderReturnPath());
fieldMap.put("sender",new HeaderSender());
fieldMap.put("sio-label",new HeaderSioLabel());
fieldMap.put("sio-label-history",new HeaderSioLabel());
fieldMap.put("solicitation",new HeaderSolicitation());
fieldMap.put("to",new HeaderTo());
fieldMap.put("vbr-info",new HeaderVbrInfo());
fieldMap.put("x-archived-at",new HeaderXArchivedAt());
fieldMap.put("x-mittente",new HeaderSender());
fieldMap.put("x-ricevuta",new HeaderXRicevuta());
fieldMap.put("x-riferimento-message-id",new HeaderMessageId());
fieldMap.put("x-tiporicevuta",new HeaderXTiporicevuta());
fieldMap.put("x-trasporto",new HeaderXTrasporto());
fieldMap.put("x-verificasicurezza",new HeaderXVerificasicurezza());
return fieldMap;
}
public static IHeaderFieldParser GetParser(String name) {
if (name == null) {
throw new NullPointerException("name");
}
name = DataUtilities.ToLowerCaseAscii(name);
return fieldMap.containsKey(name) ? fieldMap.get(name) : Unstructured;
}
}
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