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/*
* $Header: /cvs/glassfish/admin-cli/cli-api/src/java/com/sun/cli/jmx/cmd/JMXCmd.java,v 1.4 2007/05/05 05:24:50 tcfujii Exp $
* $Revision: 1.4 $
* $Date: 2007/05/05 05:24:50 $
*/
package com.sun.cli.jmx.cmd;
import java.net.MalformedURLException;
import javax.management.remote.JMXServiceURL;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.MBeanServerConnection;
import com.sun.cli.jmx.support.AliasMgr;
import com.sun.cli.jmx.support.AliasMgrHashMapImpl;
import com.sun.cli.jmx.support.AliasMgrMBean;
import com.sun.cli.jmx.support.StandardAliasesIniter;
import com.sun.cli.jmx.support.CLISupport;
import com.sun.cli.jmx.support.CLISupportMBean;
import com.sun.cli.jmx.support.CLISupportMBeanProxy;
import com.sun.cli.util.stringifier.SmartStringifier;
import com.sun.cli.util.stringifier.Stringifier;
import com.sun.cli.util.stringifier.ArrayStringifier;
import com.sun.cli.jmx.spi.JMXConnectorProvider;
public abstract class JMXCmd extends CmdBase
{
final String [] ALL_TARGET = new String [] { "all" };
public final static String ENV_PROXY = "PROXY";
public final static String ENV_CONNECTION = "CONNECTION";
public final static String ENV_TARGET = "TARGET";
public final static String ENV_CONNECT_NAME_BASE = "CONNECT_";
public final static String ENV_ALIAS_MGR = "ALIAS_MGR";
public final static String ENV_PROVIDERS = "PROVIDERS";
final static String DEFAULT_CONNECTION_NAME = "DEFAULT";
private static ConnectionMgrImpl sConnectionMgr = null;
private static AliasMgrMBean sAliasMgr = createAliasMgr();
JMXCmd( final CmdEnv env )
{
super( env );
env.put( ENV_ALIAS_MGR, sAliasMgr, false);
// force initialization
}
ConnectionMgr
getConnectionMgr( )
throws Exception
{
initConnectionMgr();
return( sConnectionMgr );
}
void
initConnectionMgr( )
throws IllegalAccessException, InstantiationException, ClassNotFoundException
{
if ( sConnectionMgr != null )
return;
sConnectionMgr = new ConnectionMgrImpl( );
final String providersString = ((String)envGet( ENV_PROVIDERS, "")).trim();
if ( providersString != null && providersString.length() != 0 )
{
final String [] providers = providersString.split( "," );
for( int i = 0; i < providers.length; ++i )
{
try
{
final Class theClass = Class.forName( providers[ i ] );
sConnectionMgr.addProvider( theClass );
println( "Added JMXConnectorProvider: " + providers[ i ] );
}
catch( Exception e )
{
printError( "WARNING: Can't add JMXConnectorProvider: " + providers[ i ] );
}
}
}
}
static AliasMgrMBean
createAliasMgr()
{
final AliasMgrHashMapImpl aliasMgrImpl = new AliasMgrHashMapImpl();
final AliasMgr aliasMgr = new AliasMgr( aliasMgrImpl );
try
{
aliasMgrImpl.load( JMXAdminFileNames.getAliasesFile() );
StandardAliasesIniter.init( aliasMgr );
}
catch( Exception e )
{
StandardAliasesIniter.init( aliasMgr );
System.err.println( "can't load aliases file: " + e.getMessage());
}
return( aliasMgr );
}
private CLISupportMBean
getCLISupport( MBeanServerConnection conn )
throws Exception
{
final CLISupportMBean cliSupport = new CLISupport( conn, sAliasMgr);
return( cliSupport );
}
String
connectionNameToEnvName( String connectionName )
{
return( ENV_CONNECT_NAME_BASE + connectionName );
}
String
envNameToConnectionName( String envName )
{
return( envName.substring( ENV_CONNECT_NAME_BASE.length(), envName.length() ) );
}
CLISupportMBeanProxy
setProxy( String name, ConnectInfo connectInfo )
throws Exception
{
JMXConnector jmxConnector = null;
try
{
jmxConnector = getConnectionMgr().connect( name, connectInfo );
}
catch( java.io.IOException e )
{
throw new Exception( e.getMessage() + " (" + connectInfo.toString() + ")", e);
}
final MBeanServerConnection managedServer = jmxConnector.getMBeanServerConnection();
final CLISupportMBean cliSupport = getCLISupport( managedServer );
final CLISupportMBeanProxy proxy = new CLISupportMBeanProxy( sAliasMgr, cliSupport );
envPut( connectionNameToEnvName( name ), connectInfo.toString(), true );
envPut( ENV_PROXY, proxy, false );
envPut( ENV_CONNECTION, managedServer, false );
return( proxy );
}
void
clearProxy( )
{
envRemove( ENV_PROXY );
}
CLISupportMBeanProxy
establishProxy( String name, ConnectInfo connectInfo )
throws Exception
{
CLISupportMBeanProxy proxy = null;
proxy = setProxy( name, connectInfo );
final String host = connectInfo.getParam( JMXConnectorProvider.HOST );
final String port = connectInfo.getParam( JMXConnectorProvider.PORT );
String protocol = connectInfo.getParam( JMXConnectorProvider.PROTOCOL );
if ( protocol == null )
{
protocol = "jmxmp";
}
println( "Established connection to " +
host + ":" + port + " using " + protocol );
return( proxy );
}
CLISupportMBeanProxy
establishProxy( ConnectInfo connectInfo )
throws Exception
{
final String envName = connectionNameToEnvName( DEFAULT_CONNECTION_NAME );
final CLISupportMBeanProxy proxy = establishProxy( envName , connectInfo );
return( proxy );
}
void
establishProxy( )
throws Exception
{
if ( envGet( ENV_PROXY ) == null )
{
final String envName = connectionNameToEnvName( DEFAULT_CONNECTION_NAME );
final String connectString = (String)envGet( envName );
if ( connectString != null )
{
establishProxy( new ConnectInfo( connectString ) );
}
}
if ( envGet( ENV_PROXY ) == null )
{
throw new java.io.IOException( "can't connect" );
}
}
CLISupportMBeanProxy
getProxy()
{
final CLISupportMBeanProxy proxy = (CLISupportMBeanProxy)envGet( ENV_PROXY );
return( proxy );
}
MBeanServerConnection
getConnection()
{
final MBeanServerConnection conn = (MBeanServerConnection)envGet( ENV_CONNECTION );
return( conn );
}
AliasMgrMBean
getAliasMgr()
{
final AliasMgrMBean proxy = (AliasMgrMBean)envGet( ENV_ALIAS_MGR );
return( proxy );
}
void
preExecute()
throws Exception
{
getConnectionMgr();
super.preExecute();
}
void
handleException( final Exception e )
{
super.handleException( e );
if ( e instanceof java.io.IOException )
{
clearProxy();
}
}
String []
getEnvTargets()
{
final String targetsEnv = (String)envGet( ENV_TARGET );
if ( targetsEnv == null )
return( null );
// convert to String []
final String [] targets = (String [])
TargetPersister.DEFAULT.asObject( targetsEnv );
return( targets );
}
void
putEnvTargets( String [] targets )
{
// put targets into environment
final String targetsStr = TargetPersister.DEFAULT.asString( targets );
envPut( ENV_TARGET, targetsStr, true);
}
String []
getTargets()
{
String [] targets = getOperands();
if ( targets.length == 0 )
{
targets = getEnvTargets();
}
return( targets );
}
final static class TargetPersister implements com.sun.cli.util.ValuePersister
{
final static TargetPersister DEFAULT = new TargetPersister();
final static String TARGET_DELIM = " ";
public String
asString( Object value )
{
return( ArrayStringifier.stringify( (String [])value, TARGET_DELIM ) );
}
public Object
asObject( String value )
{
return( value.split( TARGET_DELIM ) );
}
}
};
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