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Checkstyle fixed for JisSupport

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This commit is contained in:
Philip Whitehouse 2017-03-15 15:36:22 +00:00
parent e590efaf8e
commit 309b6891f4
1 changed files with 29 additions and 16 deletions
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45
k9mail-library/src/main/java/com/fsck/k9/mail/internet/JisSupport.java
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@ -9,20 +9,23 @@ class JisSupport {
public static final String SHIFT_JIS = "shift_jis"; public static final String SHIFT_JIS = "shift_jis";
public static String getJisVariantFromMessage(Message message) throws MessagingException { public static String getJisVariantFromMessage(Message message) throws MessagingException {
if (message == null) if (message == null) {
return null; return null;
}
// If a receiver is known to use a JIS variant, the sender transfers the message after converting the // If a receiver is known to use a JIS variant, the sender transfers the message after converting the
// charset as a convention. // charset as a convention.
String variant = getJisVariantFromReceivedHeaders(message); String variant = getJisVariantFromReceivedHeaders(message);
if (variant != null) if (variant != null) {
return variant; return variant;
}
// If a receiver is not known to use any JIS variants, the sender transfers the message without converting // If a receiver is not known to use any JIS variants, the sender transfers the message without converting
// the charset. // the charset.
variant = getJisVariantFromFromHeaders(message); variant = getJisVariantFromFromHeaders(message);
if (variant != null) if (variant != null) {
return variant; return variant;
}
return getJisVariantFromMailerHeaders(message); return getJisVariantFromMailerHeaders(message);
} }
@ -33,28 +36,32 @@ class JisSupport {
} }
public static String getJisVariantFromAddress(String address) { public static String getJisVariantFromAddress(String address) {
if (address == null) if (address == null) {
return null; return null;
}
if (isInDomain(address, "docomo.ne.jp") || isInDomain(address, "dwmail.jp") || if (isInDomain(address, "docomo.ne.jp") || isInDomain(address, "dwmail.jp") ||
isInDomain(address, "pdx.ne.jp") || isInDomain(address, "willcom.com") || isInDomain(address, "pdx.ne.jp") || isInDomain(address, "willcom.com") ||
isInDomain(address, "emnet.ne.jp") || isInDomain(address, "emobile.ne.jp")) isInDomain(address, "emnet.ne.jp") || isInDomain(address, "emobile.ne.jp")) {
return "docomo"; return "docomo";
else if (isInDomain(address, "softbank.ne.jp") || isInDomain(address, "vodafone.ne.jp") || } else if (isInDomain(address, "softbank.ne.jp") || isInDomain(address, "vodafone.ne.jp") ||
isInDomain(address, "disney.ne.jp") || isInDomain(address, "vertuclub.ne.jp")) isInDomain(address, "disney.ne.jp") || isInDomain(address, "vertuclub.ne.jp")) {
return "softbank"; return "softbank";
else if (isInDomain(address, "ezweb.ne.jp") || isInDomain(address, "ido.ne.jp")) } else if (isInDomain(address, "ezweb.ne.jp") || isInDomain(address, "ido.ne.jp")) {
return "kddi"; return "kddi";
}
return null; return null;
} }
private static String getJisVariantFromMailerHeaders(Message message) { private static String getJisVariantFromMailerHeaders(Message message) {
String[] mailerHeaders = message.getHeader("X-Mailer"); String[] mailerHeaders = message.getHeader("X-Mailer");
if (mailerHeaders.length == 0) if (mailerHeaders.length == 0) {
return null; return null;
}
if (mailerHeaders[0].startsWith("iPhone Mail ") || mailerHeaders[0].startsWith("iPad Mail ")) if (mailerHeaders[0].startsWith("iPhone Mail ") || mailerHeaders[0].startsWith("iPad Mail ")) {
return "iphone"; return "iphone";
}
return null; return null;
} }
@ -62,16 +69,19 @@ class JisSupport {
private static String getJisVariantFromReceivedHeaders(Part message) throws MessagingException { private static String getJisVariantFromReceivedHeaders(Part message) throws MessagingException {
String[] receivedHeaders = message.getHeader("Received"); String[] receivedHeaders = message.getHeader("Received");
if (receivedHeaders.length == 0) if (receivedHeaders.length == 0) {
return null; return null;
}
for (String receivedHeader : receivedHeaders) { for (String receivedHeader : receivedHeaders) {
String address = getAddressFromReceivedHeader(receivedHeader); String address = getAddressFromReceivedHeader(receivedHeader);
if (address == null) if (address == null) {
continue; continue;
}
String variant = getJisVariantFromAddress(address); String variant = getJisVariantFromAddress(address);
if (variant != null) if (variant != null) {
return variant; return variant;
}
} }
return null; return null;
} }
@ -83,20 +93,23 @@ class JisSupport {
private static String getJisVariantFromFromHeaders(Message message) throws MessagingException { private static String getJisVariantFromFromHeaders(Message message) throws MessagingException {
Address addresses[] = message.getFrom(); Address addresses[] = message.getFrom();
if (addresses == null || addresses.length == 0) if (addresses == null || addresses.length == 0) {
return null; return null;
}
return getJisVariantFromAddress(addresses[0].getAddress()); return getJisVariantFromAddress(addresses[0].getAddress());
} }
private static boolean isInDomain(String address, String domain) { private static boolean isInDomain(String address, String domain) {
int index = address.length() - domain.length() - 1; int index = address.length() - domain.length() - 1;
if (index < 0) if (index < 0) {
return false; return false;
}
char c = address.charAt(index); char c = address.charAt(index);
if (c != '@' && c != '.') if (c != '@' && c != '.') {
return false; return false;
}
return address.endsWith(domain); return address.endsWith(domain);
} }