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* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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/*
* $Header: /cvs/glassfish/admin-cli/cli-api/src/java/com/sun/cli/jmx/cmd/ConnectionMgrImpl.java,v 1.4 2007/05/05 05:24:49 tcfujii Exp $
* $Revision: 1.4 $
* $Date: 2007/05/05 05:24:49 $
*/
package com.sun.cli.jmx.cmd;
import java.util.Map;
import java.util.HashMap;
import java.util.Set;
import java.util.ArrayList;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXServiceURL;
import javax.management.remote.JMXConnectorFactory;
import com.sun.cli.jmx.spi.JMXConnectorProvider;
import com.sun.cli.util.LineReaderImpl;
final class Connection
{
public String mName;
public JMXConnector mConn;
public ConnectInfo mConnectInfo; // keep as a String so original can't change
public
Connection( String name, ConnectInfo connectInfo, JMXConnector conn )
{
assert( name != null );
assert( connectInfo != null );
assert( conn != null );
mName = name;
// clone this; we don't want it changing
mConnectInfo = new ConnectInfo( connectInfo );
mConn = conn;
}
public boolean
equals( Object o )
{
if ( o == this )
return( true );
if ( ! (o instanceof Connection ) )
{
return( false );
}
final Connection rhs = (Connection)o;
return( mName.equals( rhs.mName ) && mConnectInfo.equals( rhs.mConnectInfo ) );
}
}
public class ConnectionMgrImpl implements ConnectionMgr
{
private final Map mNameConnMap;
final ArrayList mProviders;
private static void
dm( Object o )
{
System.out.println( o.toString( ) );
}
public
ConnectionMgrImpl( )
throws IllegalAccessException, InstantiationException, ClassNotFoundException
{
// do allow instantiation of this class; probably a singleton,
// but could be useful to have more than one to segregate by user for example
mNameConnMap = new HashMap();
mProviders = new ArrayList();
addProvider( com.sun.cli.jmx.spi.JMXMPDefaultConnectorProvider.class );
}
public ConnectInfo
getConnectInfo( String name )
{
final Connection conn = (Connection)mNameConnMap.get( name );
return( conn == null ? null : conn.mConnectInfo );
}
Connection
lookup( final String name )
{
final Connection conn = (Connection)mNameConnMap.get( name );
return( conn );
}
JMXConnectorProvider
createProvider( String className )
throws ClassNotFoundException, IllegalAccessException, InstantiationException
{
final Class theClass = Class.forName( className );
final JMXConnectorProvider provider = (JMXConnectorProvider)theClass.newInstance( );
return( provider );
}
public void
addProvider( Class provider )
throws IllegalAccessException, InstantiationException, ClassNotFoundException
{
final JMXConnectorProvider instance = (JMXConnectorProvider)provider.newInstance( );
// last added = first priority
mProviders.add( 0, instance );
}
public void
removeProvider( Class provider )
{
mProviders.remove( provider );
}
public JMXConnectorProvider []
getProviders()
{
JMXConnectorProvider [] providers = new JMXConnectorProvider[ mProviders.size() ];
mProviders.toArray( providers );
return( providers );
}
Connection
openNew( String name, ConnectInfo connectInfo )
throws java.io.IOException, java.net.MalformedURLException, NoProviderFoundException
{
final Map map = createMapForConnectorProvider( connectInfo );
final JMXConnectorProvider [] providers = getProviders();
Connection conn = null;
for( int i = 0; i < providers.length; ++i )
{
final JMXConnectorProvider provider = (JMXConnectorProvider)providers[ i ];
if ( provider.isSupported( map ) )
{
final JMXConnector jmxConn = provider.connect( map );
conn = new Connection( name, connectInfo, jmxConn );
break;
}
}
if ( conn == null )
{
throw new NoProviderFoundException( "No provider found for: " + connectInfo.toString() );
}
return( conn );
}
final char USER_PASSWORD_DELIM = '=';
String
readPassword( String filename, String username )
throws java.io.FileNotFoundException, java.io.IOException
{
final java.io.File file = new java.io.File( filename );
String password = null;
final java.io.InputStream is = new java.io.FileInputStream( file );
try
{
final LineReaderImpl reader = new LineReaderImpl( is );
String line;
while( (line = reader.readLine( null )) != null )
{
// don't trim the line; spaces are allow in the password at the end
if ( line.length() != 0 )
{
final int delimIndex = line.indexOf( USER_PASSWORD_DELIM );
if ( delimIndex <= 0 )
{
throw new IllegalArgumentException( "Invalid line in password file: " + line );
}
final String user = line.substring( 0, delimIndex );
if ( user.equals( username ) ) // case sensitive
{
password = line.substring( delimIndex + 1, line.length() );
break;
}
}
}
}
finally
{
is.close();
}
if ( password == null )
{
throw new IllegalArgumentException( "No password found for user: " + username );
}
return( password );
}
Map
createMapForConnectorProvider( final ConnectInfo connectInfo )
throws java.io.FileNotFoundException,java.io.IOException
{
final HashMap map = new HashMap();
map.putAll( connectInfo.mParams );
// if we have a passwordFile, read it
final String passwordFile = (String)map.get( JMXConnectorProvider.PASSWORD_FILE );
if ( passwordFile != null && map.get( JMXConnectorProvider.PASSWORD ) == null )
{
// user is required if we have a password file
final String username = (String)map.get( JMXConnectorProvider.USER );
if ( username == null )
{
throw new IllegalArgumentException( "Username required when specifying password file" );
}
final String password = readPassword( passwordFile, username );
map.put( JMXConnectorProvider.PASSWORD, password );
}
if ( map.get( JMXConnectorProvider.PROTOCOL ) == null )
{
map.put( JMXConnectorProvider.PROTOCOL, "jmxmp" );
}
return( map );
}
public JMXConnector
connect( final String name, final ConnectInfo connectInfo )
throws java.io.IOException, java.net.MalformedURLException, NoProviderFoundException
{
Connection conn = lookup( name );
if ( conn != null )
{
if ( ! connectInfo.equals( conn.mConnectInfo ) )
{
// same name, but different info, close it and we'll open a new one
close( name );
conn = null;
}
}
if ( conn == null )
{
conn = openNew( name, connectInfo );
mNameConnMap.put( name, conn );
}
return( conn.mConn );
}
public void
close( String name )
throws java.io.IOException
{
final Connection conn = lookup( name );
if ( conn != null )
{
mNameConnMap.remove( name );
conn.mConn.close();
}
}
public Set
getNames()
{
return( mNameConnMap.keySet() );
}
};
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