RepositoryManagerpublic class RepositoryManager extends org.apache.avalon.framework.logger.AbstractLogEnabled implements org.apache.avalon.framework.service.Serviceable, org.apache.avalon.framework.context.Contextualizable, org.apache.avalon.cornerstone.services.store.Store, org.apache.avalon.framework.configuration.Configurable
| Fields Summary |
|---|
| private static final String | REPOSITORY_NAME | | private static long | id | | protected HashMap | m_repositories | | protected HashMap | m_models | | protected HashMap | m_classes | | protected org.apache.avalon.framework.service.ServiceManager | m_componentManager | | protected org.apache.avalon.framework.context.Context | m_context |
| Methods Summary |
|---|
| public void | configure(org.apache.avalon.framework.configuration.Configuration configuration)
final Configuration[] registeredClasses =
configuration.getChild( "repositories" ).getChildren( "repository" );
for( int i = 0; i < registeredClasses.length; i++ )
{
registerRepository( registeredClasses[ i ] );
}
| | public void | contextualize(org.apache.avalon.framework.context.Context context)
m_context = context;
| | public static final java.lang.String | getName()
return REPOSITORY_NAME;
| | public boolean | isSelectable(java.lang.Object hint)
if( hint instanceof Configuration )
return true;
else
return false;
| | public void | registerRepository(org.apache.avalon.framework.configuration.Configuration repConf)
final String className = repConf.getAttribute( "class" );
getLogger().info( "Registering Repository " + className );
final Configuration[] protocols =
repConf.getChild( "protocols" ).getChildren( "protocol" );
final Configuration[] types = repConf.getChild( "types" ).getChildren( "type" );
final Configuration[] modelIterator =
repConf.getChild( "models" ).getChildren( "model" );
for( int i = 0; i < protocols.length; i++ )
{
final String protocol = protocols[ i ].getValue();
for( int j = 0; j < types.length; j++ )
{
final String type = types[ j ].getValue();
for( int k = 0; k < modelIterator.length; k++ )
{
final String model = modelIterator[ k ].getValue();
m_classes.put( protocol + type + model, className );
getLogger().info( " for " + protocol + "," + type + "," + model );
}
}
}
| | public void | release(java.lang.Object component)
| | public java.lang.Object | select(java.lang.Object hint)
Configuration repConf = null;
try
{
repConf = (Configuration)hint;
}
catch( final ClassCastException cce )
{
throw new ServiceException("", "Hint is of the wrong type. " +
"Must be a Configuration", cce );
}
URL destination = null;
try
{
destination = new URL( repConf.getAttribute( "destinationURL" ) );
}
catch( final ConfigurationException ce )
{
throw new ServiceException("","Malformed configuration has no " +
"destinationURL attribute", ce );
}
catch( final MalformedURLException mue )
{
throw new ServiceException("", "destination is malformed. " +
"Must be a valid URL", mue );
}
try
{
final String type = repConf.getAttribute( "type" );
final String repID = destination + type;
Repository reply = (Repository)m_repositories.get( repID );
final String model = (String)repConf.getAttribute( "model" );
if( null != reply )
{
if( m_models.get( repID ).equals( model ) )
{
return reply;
}
else
{
final String message = "There is already another repository with the " +
"same destination and type but with different model";
throw new ServiceException("", message );
}
}
else
{
final String protocol = destination.getProtocol();
final String repClass = (String)m_classes.get( protocol + type + model );
getLogger().debug( "Need instance of " + repClass + " to handle: " +
protocol + type + model );
try
{
reply = (Repository)Class.forName( repClass ).newInstance();
setupLogger( reply, "repository" );
ContainerUtil.contextualize(reply,m_context);
ContainerUtil.service(reply,m_componentManager);
if (reply instanceof Composable) {
final String error = "no implementation in place to support Composable";
getLogger().error( error );
throw new IllegalArgumentException( error );
}
ContainerUtil.configure(reply,repConf);
ContainerUtil.initialize(reply);
m_repositories.put( repID, reply );
m_models.put( repID, model );
getLogger().info( "New instance of " + repClass + " created for " +
destination );
return reply;
}
catch( final Exception e )
{
final String message = "Cannot find or init repository: " + e.getMessage();
getLogger().warn( message, e );
throw new ServiceException("", message, e );
}
}
}
catch( final ConfigurationException ce )
{
throw new ServiceException("", "Malformed configuration", ce );
}
| | public void | service(org.apache.avalon.framework.service.ServiceManager componentManager)
m_componentManager = componentManager;
|
|
