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Driver.java
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Driver.java
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package acolyte;
import java.util.Properties;
import java.util.HashMap;
import java.util.logging.Logger;
import java.sql.SQLFeatureNotSupportedException;
import java.sql.DriverPropertyInfo;
import java.sql.SQLException;
import java.sql.Connection;
/**
* Acolyte driver.
*
* @author Cedric Chantepie
* @deprecated Use {@link acolyte.jdbc.Driver}
*/
@Deprecated
public final class Driver implements java.sql.Driver {
// --- Constants ---
/**
* Major version
*/
public static final int MAJOR_VERSION = 0;
/**
* Minor version
*/
public static final int MINOR_VERSION = 1;
/**
* Handler registry
*/
public static final HashMap<String,ConnectionHandler> handlers =
new HashMap<String,ConnectionHandler>();
// --- Driver impl ---
/**
* {@inheritDoc}
* @throws IllegalArgumentException if |info| doesn't contain handler
* (ConnectionHandler) for property "connection.handler".
*/
public acolyte.Connection connect(final String url, final Properties info)
throws SQLException {
if (!acceptsURL(url)) {
return null;
} // end of if
final String[] parts = url.substring(url.lastIndexOf("?")+1).split("&");
String h = null;
for (final String p : parts) {
if (p.startsWith("handler=")) {
h = p.substring(8);
break;
} // end of if
} // end of for
if (h == null || h.length() == 0) {
throw new IllegalArgumentException("Invalid handler ID: " + h);
} // end of if
final String id = h;
final ConnectionHandler handler = handlers.get(id);
if (handler == null) {
throw new IllegalArgumentException("No matching handler: " + id);
} // end of if
// ---
return new acolyte.Connection(url, info, handler);
} // end of connect
/**
* {@inheritDoc}
*/
public boolean acceptsURL(final String url) throws SQLException {
return (url != null && url.startsWith("jdbc:acolyte:"));
} // end of acceptsUrl
/**
* {@inheritDoc}
*/
public DriverPropertyInfo[] getPropertyInfo(final String url,
final Properties info)
throws SQLException {
return new DriverPropertyInfo[0];
} // end of getPropertyInfo
/**
* {@inheritDoc}
*/
public int getMajorVersion() {
return MAJOR_VERSION;
} // end of getMajorVersion
/**
* {@inheritDoc}
*/
public int getMinorVersion() {
return MINOR_VERSION;
} // end of getMinorVersion
/**
* {@inheritDoc}
*/
public boolean jdbcCompliant() {
return false;
} // end of jdbcCompliant
/**
* {@inheritDoc}
*/
public Logger getParentLogger() throws SQLFeatureNotSupportedException {
throw new SQLFeatureNotSupportedException();
} // end of getParentLogger
/**
* Direct connection, with given |handler| and random URL.
*
* @throws IllegalArgumentException if handler is null
*/
public static acolyte.Connection connection(ConnectionHandler handler) {
return connection(handler, null);
} // end of connection
/**
* Direct connection, with given |handler| and random URL.
*
* @param handler Connection handler
* @param info Connection properties (optional)
* @throws IllegalArgumentException if handler is null
* @see #connection(acolyte.ConnectionHandler)
*/
public static acolyte.Connection connection(final ConnectionHandler handler,
final Properties info) {
if (handler == null) {
throw new IllegalArgumentException();
} // end of if
final String url = String.
format("jdbc:acolyte:direct-%d",
System.identityHashCode(handler));
return new acolyte.Connection(url, info, handler);
} // end of connection
/**
* Direct connection, with given |handler| and random URL.
*
* @throws IllegalArgumentException if handler is null
*/
public static acolyte.Connection connection(StatementHandler handler) {
return connection(handler, null);
} // end of connection
/**
* Direct connection, with given |handler| and random URL.
*
* @param handler Statement handler
* @param info Connection properties (optional)
* @throws IllegalArgumentException if handler is null
*/
public static acolyte.Connection connection(final StatementHandler handler,
final Properties info) {
if (handler == null) {
throw new IllegalArgumentException();
} // end of if
return connection(new ConnectionHandler.Default(handler), info);
} // end of connection
// ---
/**
* Registers a connection handler.
*
* @param id Handler unique ID
* @param handler Connection handler
* @return Handler previously registered for |id|, or null if none
* @throws IllegalArgumentException if |id| or |handler| is null (or empty)
* @see #unregister
*/
public static ConnectionHandler register(final String id,
final ConnectionHandler handler) {
if (id == null || id.length() == 0) {
throw new IllegalArgumentException("Invalid ID: " + id);
} // end of if
if (handler == null) {
throw new IllegalArgumentException("Invalid handler: " + handler);
} // end of if
// ---
return handlers.put(id, handler);
} // end of register
/**
* Registers a connection handler.
*
* @param id Handler unique ID
* @param handler Connection handler
* @return Handler previously registered for |id|, or null if none
* @throws IllegalArgumentException if |id| or |handler| is null (or empty)
* @see #register(java.lang.String,acolyte.ConnectionHandler)
* @see #unregister
*/
public static ConnectionHandler register(final String id,
final StatementHandler handler) {
if (handler == null) {
throw new IllegalArgumentException("Invalid handler: " + handler);
} // end of if
return register(id, new ConnectionHandler.Default(handler));
} // end of register
/**
* Unregisters specified handler.
*
* @param id Handler ID
* @return Handler, or null if none
* @see #register
*/
public static ConnectionHandler unregister(final String id) {
if (id == null || id.length() == 0) {
return null; // Not possible
} // end of if
return handlers.remove(id);
} // end of unregister
} // end of class Driver