@Override
public boolean acceptsURL(String url) throws SQLException {
if (url.startsWith(PhoenixRuntime.JDBC_PROTOCOL)) {
// A connection string of "jdbc:phoenix" is supported, since
// all the connection information can potentially be gotten
// out of the HBase config file
if (url.length() == PhoenixRuntime.JDBC_PROTOCOL.length()) {
return true;
}
// Same as above, except for "jdbc:phoenix;prop=<value>..."
if (PhoenixRuntime.JDBC_PROTOCOL_TERMINATOR
== url.charAt(PhoenixRuntime.JDBC_PROTOCOL.length())) {
return true;
}
if (PhoenixRuntime.JDBC_PROTOCOL_SEPARATOR
== url.charAt(PhoenixRuntime.JDBC_PROTOCOL.length())) {
int protoLength = PhoenixRuntime.JDBC_PROTOCOL.length() + 1;
// A connection string of "jdbc:phoenix:" matches this driver,
// but will end up as a MALFORMED_CONNECTION_URL exception later.
if (url.length() == protoLength) {
return true;
}
// A connection string of the form "jdbc:phoenix://" means that
// the driver is remote which isn't supported, so return false.
if (!url.startsWith(DNC_JDBC_PROTOCOL_SUFFIX, protoLength)) {
return true;
}
}
}
return false;
}
protected static ConnectionInfo create(String url) throws SQLException {
StringTokenizer tokenizer =
new StringTokenizer(
url == null ? "" : url.substring(PhoenixRuntime.JDBC_PROTOCOL.length()),
DELIMITERS,
true);
int i = 0;
boolean isMalformedUrl = false;
String[] tokens = new String[3];
String token = null;
while (tokenizer.hasMoreTokens()
&& !(token = tokenizer.nextToken()).equals(TERMINATOR)
&& tokenizer.hasMoreTokens()
&& i < tokens.length) {
token = tokenizer.nextToken();
// This would mean we have an empty string for a token which is illegal
if (DELIMITERS.contains(token)) {
isMalformedUrl = true;
break;
}
tokens[i++] = token;
}
Integer port = null;
if (!isMalformedUrl) {
if (tokenizer.hasMoreTokens() && !TERMINATOR.equals(token)) {
isMalformedUrl = true;
} else if (i > 1) {
try {
port = Integer.parseInt(tokens[1]);
isMalformedUrl = port < 0;
} catch (NumberFormatException e) {
// If we have 3 tokens, then the second one must be a port.
// If we only have 2 tokens, the second one might be the root node:
// Assume that is the case if we get a NumberFormatException
if (!(isMalformedUrl = i == 3)) {
tokens[2] = tokens[1];
}
}
}
}
if (isMalformedUrl) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.MALFORMED_CONNECTION_URL)
.setMessage(url)
.build()
.buildException();
}
return new ConnectionInfo(tokens[0], port, tokens[2]);
}
