/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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 GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.adminapi;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.Properties;
import org.teiid.core.util.PropertiesUtils;
import org.teiid.jdbc.JDBCPlugin;
import org.teiid.net.CommunicationException;
import org.teiid.net.ConnectionException;
import org.teiid.net.ServerConnection;
import org.teiid.net.ServerConnectionFactory;
import org.teiid.net.TeiidURL;
import org.teiid.net.socket.SocketServerConnectionFactory;
/**
* Singleton factory for class for creating Admin connections to the Teiid
*/
public class AdminFactory {
private final class AdminProxy implements InvocationHandler {
private Admin admin;
private ServerConnection serverConnection;
private boolean closed;
public AdminProxy(Properties p) throws ConnectionException, CommunicationException {
this.serverConnection = serverConnectionFactory.getConnection(p);
this.admin = serverConnection.getService(Admin.class);
}
private synchronized Admin getTarget() throws AdminComponentException {
if (closed) {
throw new AdminComponentException(JDBCPlugin.Util.getString("admin_conn_closed")); //$NON-NLS-1$
}
return admin;
}
@Override
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable {
if (method.getName().equals("close")) { //$NON-NLS-1$
close();
return null;
}
if (!method.getDeclaringClass().equals(Admin.class)) {
return method.invoke(this, args);
}
try {
return method.invoke(getTarget(), args);
} catch (InvocationTargetException e) {
throw e.getTargetException();
}
}
public synchronized void close() {
if (closed) {
return;
}
this.closed = true;
if (serverConnection != null) {
serverConnection.close();
}
}
}
public static final String DEFAULT_APPLICATION_NAME = "Admin"; //$NON-NLS-1$
private static AdminFactory instance = new AdminFactory(SocketServerConnectionFactory.getInstance());
private ServerConnectionFactory serverConnectionFactory;
AdminFactory(ServerConnectionFactory connFactory) {
this.serverConnectionFactory = connFactory;
}
public static AdminFactory getInstance() {
return instance;
}
/**
* Creates a ServerAdmin with the specified connection properties.
* Uses the DEFAULT_APPLICATION_NAME as the application name.
* @param userName
* @param password
* @param serverURL
* @return
* @throws AdminException
*/
public Admin createAdmin(String userName,
char[] password,
String serverURL) throws AdminException {
return createAdmin(userName, password, serverURL, DEFAULT_APPLICATION_NAME);
}
/**
* Creates a ServerAdmin with the specified connection properties.
* @param userName
* @param password
* @param serverURL
* @param applicationName
* @return
* @throws AdminException
*/
public Admin createAdmin(String userName,
char[] password,
String serverURL,
String applicationName) throws AdminException {
if (userName == null || userName.trim().length() == 0) {
throw new IllegalArgumentException(JDBCPlugin.Util.getString("invalid_parameter")); //$NON-NLS-1$
}
final Properties p = new Properties();
p.setProperty(TeiidURL.CONNECTION.APP_NAME, applicationName);
p.setProperty(TeiidURL.CONNECTION.USER_NAME, userName);
if (password != null) {
p.setProperty(TeiidURL.CONNECTION.PASSWORD, new String(password));
}
p.setProperty(TeiidURL.CONNECTION.SERVER_URL, serverURL);
return createAdmin(p);
}
public Admin createAdmin(Properties p) throws AdminException {
p = PropertiesUtils.clone(p);
p.remove(TeiidURL.JDBC.VDB_NAME);
p.remove(TeiidURL.JDBC.VDB_VERSION);
p.setProperty(TeiidURL.CONNECTION.ADMIN, Boolean.TRUE.toString());
try {
Admin serverAdmin = (Admin)Proxy.newProxyInstance(this.getClass().getClassLoader(), new Class[] { Admin.class }, new AdminProxy(p));
return serverAdmin;
} catch (ConnectionException e) {
throw new AdminComponentException(e);
} catch (CommunicationException e) {
throw new AdminComponentException(e);
}
}
}