- static class AdditionalHeader {
-
- private static final Pattern pattern = Pattern
- .compile("\\[(?<username>[^;]+);(?<address>[0-9\\.]+)[:/](?<port>[0-9]+);(?<transport>[a-z]+)[^\\]]+\\]");
- private final String username;
- private final String address;
- private final String transport;
-
- public AdditionalHeader(String addHeaderAsString) {
- addHeaderAsString = addHeaderAsString.trim();
- Matcher matcher = pattern.matcher(addHeaderAsString);
- Preconditions.checkArgument(matcher.matches(), "Additional header in wrong format %s, expected %s",
- addHeaderAsString, pattern);
- this.username = matcher.group("username");
- this.address = matcher.group("address");
- this.transport = matcher.group("transport");
- }
-
- private AdditionalHeader() {
- this.username = this.address = "unknown";
- this.transport = "ssh";
- }
-
- String getUsername() {
- return username;
- }
-
- String getAddress() {
- return address;
- }
-
- String getTransport() {
- return transport;
- }
-
- @Override
- public String toString() {
- final StringBuffer sb = new StringBuffer("AdditionalHeader{");
- sb.append("username='").append(username).append('\'');
- sb.append(", address='").append(address).append('\'');
- sb.append(", transport='").append(transport).append('\'');
- sb.append('}');
- return sb.toString();
- }
- }
-}