org.firebirdsql.gds.impl.DbAttachInfo Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jaybird Show documentation
Show all versions of jaybird Show documentation
JDBC Driver for the Firebird RDBMS
The newest version!
/*
* Firebird Open Source JDBC Driver
*
* Distributable under LGPL license.
* You may obtain a copy of the License at http://www.gnu.org/copyleft/lgpl.html
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* LGPL License for more details.
*
* This file was created by members of the firebird development team.
* All individual contributions remain the Copyright (C) of those
* individuals. Contributors to this file are either listed here or
* can be obtained from a source control history command.
*
* All rights reserved.
*/
package org.firebirdsql.gds.impl;
import org.firebirdsql.gds.JaybirdErrorCodes;
import org.firebirdsql.gds.ng.FbExceptionBuilder;
import org.firebirdsql.gds.ng.IAttachProperties;
import org.firebirdsql.jaybird.props.AttachmentProperties;
import org.firebirdsql.jaybird.props.PropertyConstants;
import org.firebirdsql.jaybird.props.PropertyNames;
import org.firebirdsql.util.InternalApi;
import java.sql.SQLException;
/**
* Container for attachment information (ie server, port and filename/alias/service name/url).
*/
@InternalApi
public class DbAttachInfo {
private final String serverName;
private final int portNumber;
private final String attachObjectName;
public DbAttachInfo(String serverName, Integer portNumber, String attachObjectName) {
this(serverName, portNumber != null ? portNumber : PropertyConstants.DEFAULT_PORT, attachObjectName);
}
public DbAttachInfo(String serverName, int portNumber, String attachObjectName) {
this.serverName = serverName == null || serverName.isEmpty() ? null : serverName;
this.portNumber = portNumber;
this.attachObjectName = attachObjectName == null || attachObjectName.isEmpty() ? null : attachObjectName;
}
public static DbAttachInfo of(AttachmentProperties attachmentProperties) {
return new DbAttachInfo(attachmentProperties.getServerName(), attachmentProperties.getPortNumber(),
attachmentProperties.getProperty(PropertyNames.attachObjectName));
}
public String getServerName() {
return serverName;
}
public boolean hasServerName() {
return serverName != null;
}
public int getPortNumber() {
return portNumber;
}
public String getAttachObjectName() {
return attachObjectName;
}
public boolean hasAttachObjectName() {
return attachObjectName != null;
}
public DbAttachInfo withServerName(String serverName) {
return new DbAttachInfo(serverName, portNumber, attachObjectName);
}
public DbAttachInfo withAttachObjectName(String attachObjectName) {
return new DbAttachInfo(serverName, portNumber, attachObjectName);
}
public > void copyTo(T attachProperties) {
attachProperties.setServerName(serverName);
attachProperties.setPortNumber(portNumber);
attachProperties.setAttachObjectName(attachObjectName);
}
public static DbAttachInfo parseConnectString(String connectString) throws SQLException {
if (connectString == null) {
throw new FbExceptionBuilder()
.nonTransientConnectionException(JaybirdErrorCodes.jb_invalidConnectionString)
.messageParameter("(null)")
.messageParameter("Connection string is missing")
.toSQLException();
}
// allows standard syntax //host:port/.... and old fb syntax host/port:....
connectString = connectString.trim();
if (connectString.startsWith("//")) {
return parseUrlConnectString(connectString.substring(2), connectString);
} else {
return parseLegacyConnectString(connectString);
}
}
private static DbAttachInfo parseUrlConnectString(String connectString, String originalConnectString)
throws SQLException {
// Expect host/filename, host:port/filename, ipv4/filename, ipv4:port/filename, [ipv6]/filename or [ipv6]:port/filename
if (connectString.isEmpty()) {
// allow just '//'
return new DbAttachInfo(null, null, null);
}
String server;
String fileName;
Integer port = null;
int pathSep, portSep;
int connectStringLength = connectString.length();
if (connectString.charAt(0) == '[') {
// IPv6 address
int endIpv6Address = connectString.indexOf(']');
if (endIpv6Address == -1) {
throw new FbExceptionBuilder()
.nonTransientConnectionException(JaybirdErrorCodes.jb_invalidConnectionString)
.messageParameter(originalConnectString)
.messageParameter("IPv6 address expected, missing closing ']'")
.toSQLException();
}
server = connectString.substring(1, endIpv6Address);
int afterEndIpv6Address = endIpv6Address + 1;
pathSep = connectString.indexOf('/', afterEndIpv6Address);
if (pathSep == -1) pathSep = connectStringLength;
portSep = connectString.indexOf(':', afterEndIpv6Address);
if (portSep > pathSep) portSep = -1;
if (!(portSep == afterEndIpv6Address || pathSep == afterEndIpv6Address)) {
throw new FbExceptionBuilder()
.nonTransientConnectionException(JaybirdErrorCodes.jb_invalidConnectionString)
.messageParameter(originalConnectString)
.messageParameter("Unexpected tokens '" + connectString.substring(afterEndIpv6Address)
+ "' after IPv6 address")
.toSQLException();
}
} else {
pathSep = connectString.indexOf('/');
if (pathSep == -1) pathSep = connectStringLength;
if (pathSep == 0) {
portSep = -1;
server = null;
} else {
portSep = connectString.indexOf(':');
if (portSep > pathSep) portSep = -1;
int endServer = portSep != -1 ? portSep : pathSep;
server = connectString.substring(0, endServer);
}
}
if (portSep == 0 || portSep == connectStringLength - 1) {
throw new FbExceptionBuilder()
.nonTransientConnectionException(JaybirdErrorCodes.jb_invalidConnectionString)
.messageParameter(originalConnectString)
.messageParameter("Port separator ':' at beginning or end")
.toSQLException();
} else if (portSep > 0) {
port = parsePortNumber(originalConnectString, connectString.substring(portSep + 1, pathSep));
}
fileName = pathSep < connectStringLength - 1 ? connectString.substring(pathSep + 1) : null;
return new DbAttachInfo(server, port, fileName);
}
private static DbAttachInfo parseLegacyConnectString(String connectString) throws SQLException {
// NOTE: This method does not support IPv6 addresses enclosed in []
String server = null;
String fileName;
Integer port = null;
int sep = connectString.indexOf(':');
if (sep == 0) {
throw new FbExceptionBuilder()
.nonTransientConnectionException(JaybirdErrorCodes.jb_invalidConnectionString)
.messageParameter(connectString)
.messageParameter("Path separator ':' at beginning")
.toSQLException();
} else if (sep == 1 && !isLikelyWindowsAbsolutePath(connectString) || sep > 1) {
server = connectString.substring(0, sep);
fileName = connectString.substring(sep + 1);
int portSep = server.indexOf('/');
if (portSep == 0 || portSep == server.length() - 1) {
throw new FbExceptionBuilder()
.nonTransientConnectionException(JaybirdErrorCodes.jb_invalidConnectionString)
.messageParameter(connectString)
.messageParameter("Port separator '/' at beginning or end")
.toSQLException();
} else if (portSep > 0) {
String portString = server.substring(portSep + 1);
port = parsePortNumber(connectString, portString);
server = server.substring(0, portSep);
}
} else {
fileName = connectString;
}
return new DbAttachInfo(server, port, fileName);
}
private static boolean isLikelyWindowsAbsolutePath(String connectString) {
if (connectString.length() < 4 || connectString.charAt(1) != ':') {
return false;
} else {
char possiblyPathSeparator = connectString.charAt(2);
if (possiblyPathSeparator == '\\' || possiblyPathSeparator == '/') {
char possiblyDriveLetter = connectString.charAt(0);
return 'C' <= possiblyDriveLetter && possiblyDriveLetter <= 'Z'
|| 'c' <= possiblyDriveLetter && possiblyDriveLetter <= 'z';
} else {
return false;
}
}
}
private static Integer parsePortNumber(String connectString, String portString) throws SQLException {
try {
return Integer.valueOf(portString);
} catch (NumberFormatException e) {
throw new FbExceptionBuilder()
.nonTransientConnectionException(JaybirdErrorCodes.jb_invalidConnectionString)
.messageParameter(connectString)
.messageParameter("Bad port: '" + portString + "' is not a number")
.cause(e)
.toSQLException();
}
}
}