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Posted to dev@avalon.apache.org by do...@apache.org on 2001/04/20 04:08:59 UTC
cvs commit: jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot AbstractContainer.java AbstractDeployer.java CamelotUtil.java Container.java ContainerException.java DefaultFactory.java DefaultLoader.java DefaultLocator.java DefaultRegistry.java Deployer.java DeployerUtil.java DeploymentException.java Descriptor.java Entry.java Factory.java FactoryException.java Info.java Loader.java Locator.java Registry.java RegistryException.java SimpleFactory.java State.java
donaldp 01/04/19 19:08:59
Modified: . build.xml
lib avalonapi.jar
Added: src/java/org/apache/avalon/atlantis AbstractKernel.java
Application.java ApplicationException.java
Embeddor.java Facility.java Kernel.java
src/java/org/apache/avalon/camelot AbstractContainer.java
AbstractDeployer.java CamelotUtil.java
Container.java ContainerException.java
DefaultFactory.java DefaultLoader.java
DefaultLocator.java DefaultRegistry.java
Deployer.java DeployerUtil.java
DeploymentException.java Descriptor.java Entry.java
Factory.java FactoryException.java Info.java
Loader.java Locator.java Registry.java
RegistryException.java SimpleFactory.java
State.java
Log:
Move camelot+atlantis to phoenix
Revision Changes Path
1.16 +4 -0 jakarta-avalon-phoenix/build.xml
Index: build.xml
===================================================================
RCS file: /home/cvs/jakarta-avalon-phoenix/build.xml,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -r1.15 -r1.16
--- build.xml 2001/04/02 06:47:12 1.15
+++ build.xml 2001/04/20 02:08:55 1.16
@@ -338,6 +338,10 @@
<jar jarfile="${build.lib}/phoenix-engine.jar"
basedir="${build.classes}"
manifest="${manifest.dir}/engine-Manifest.mf" >
+
+ <!-- temporary hack until camelot stabilizes -->
+ <include name="org/apache/avalon/**"/>
+
<include name="org/apache/phoenix/metainfo/**"/>
<include name="org/apache/phoenix/engine/**"/>
<exclude name="org/apache/phoenix/engine/loader/**"/>
1.17 +300 -371 jakarta-avalon-phoenix/lib/avalonapi.jar
<<Binary file>>
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/atlantis/AbstractKernel.java
Index: AbstractKernel.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.atlantis;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Iterator;
import org.apache.avalon.camelot.AbstractContainer;
import org.apache.avalon.camelot.Container;
import org.apache.avalon.camelot.ContainerException;
import org.apache.avalon.camelot.Entry;
import org.apache.avalon.camelot.FactoryException;
import org.apache.avalon.camelot.Locator;
import org.apache.avalon.component.Component;
import org.apache.avalon.component.ComponentManager;
import org.apache.avalon.component.DefaultComponentManager;
import org.apache.avalon.context.Context;
import org.apache.avalon.context.DefaultContext;
import org.apache.avalon.logger.AbstractLoggable;
/**
* This is the basic Kernel that supports functionality most kernels need.
* It builds a DAG of blocks, can load/unload/reload blocks, can
* configure/reconfigure blocks, can start/stop/initialize blocks, provide
* contexts for blocks etc.
*
* When extending this the developer must set the value of m_entryClass and m_applicationClass.
* ie.
* m_entryClass = ServerApplicationEntry.class;
* m_applicationClass = ServerApplication.class;
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public abstract class AbstractKernel
extends AbstractContainer
implements Kernel
{
protected boolean m_initialised;
public void init()
throws Exception
{
final Iterator names = list();
while( names.hasNext() )
{
final String name = (String)names.next();
final Entry entry = getEntry( name );
initializeEntry( name, entry );
}
}
public void start()
throws Exception
{
final Iterator names = list();
while( names.hasNext() )
{
final String name = (String)names.next();
final Entry entry = getEntry( name );
startEntry( name, entry );
}
}
public void stop()
throws Exception
{
final Iterator names = list();
while( names.hasNext() )
{
final String name = (String)names.next();
final Entry entry = getEntry( name );
stopEntry( name, entry );
}
}
public void dispose()
throws Exception
{
m_initialised = false;
final Iterator names = list();
while( names.hasNext() )
{
final String name = (String)names.next();
final Entry entry = getEntry( name );
disposeEntry( name, entry );
}
}
/**
* Retrieve Application from container.
* The Application that is returned must be initialized
* and prepared for manipulation.
*
* @param name the name of application
* @return the application
* @exception ContainerException if an error occurs
*/
public Application getApplication( String name )
throws ContainerException
{
final Entry entry = getEntry( name );
initializeEntry( name, entry );
return (Application)entry.getInstance();
}
/**
* Create and initialize the application instance if it is not already initialized.
*
* @param name the name of application
* @param entry the entry for application
* @exception ContainerException if an error occurs
*/
private void initializeEntry( final String name, final Entry entry )
throws ContainerException
{
Application application = (Application)entry.getInstance();
if( null == application )
{
//Give sub-class chance to do some validation
//by overiding preInitialize
preInitializeEntry( name, entry );
application = createApplicationFor( name, entry );
try
{
entry.setInstance( application );
//Give sub-class chance to prepare entry
//This performs process required before the application
//is ready to be initialized
prepareApplication( name, entry );
application.init();
}
catch( final Throwable t )
{
//Initialization failed so clean entry
//so invalid instance is not used
entry.setInstance( null );
throw new ContainerException( "Failed to initialize application", t );
}
//Give sub-class chance to do something post
//initialisation
postInitializeEntry( name, entry );
}
}
private void startEntry( final String name, final Entry entry )
throws Exception
{
final Application application = (Application)entry.getInstance();
if( null != application )
{
application.start();
}
else
{
getLogger().warn( "Failed to start application " + name +
" as it is not initialized" );
}
}
private void stopEntry( final String name, final Entry entry )
throws Exception
{
final Application application = (Application)entry.getInstance();
if( null != application )
{
application.stop();
}
else
{
getLogger().warn( "Failed to stop application " + name +
" as it is not initialized/started" );
}
}
private void disposeEntry( final String name, final Entry entry )
throws ContainerException
{
final Application application = (Application)entry.getInstance();
if( null != application )
{
preDisposeEntry( name, entry );
entry.setInstance( null );
try { application.dispose(); }
catch( final Exception e )
{
throw new ContainerException( "Failed to dispose application " + name,
e );
}
postDisposeEntry( name, entry );
}
}
/**
* This method is called before an entry is initialized.
* Overide to do something.
*
* @param name the name of the entry
* @param entry the entry
* @exception ContainerException if an error occurs
*/
protected void preInitializeEntry( final String name, final Entry entry )
throws ContainerException
{
}
/**
* This method is called after an entry is initialized.
* Overide to do something.
*
* @param name the name of the entry
* @param entry the entry
*/
protected void postInitializeEntry( final String name, final Entry entry )
{
}
/**
* This method is called before an entry is disposed.
* Overide to do something.
*
* @param name the name of the entry
* @param entry the entry
* @exception ContainerException if an error occurs
*/
protected void preDisposeEntry( final String name, final Entry entry )
throws ContainerException
{
}
/**
* This method is called after an entry is disposed.
* Overide to do something.
*
* @param name the name of the entry
* @param entry the entry
*/
protected void postDisposeEntry( final String name, final Entry entry )
{
}
/**
* Prepare an application before it is initialized.
* Overide to provide functionality.
* Usually used to setLogger(), contextualize, compose, configure.
*
* @param name the name of application
* @param entry the application entry
* @exception ContainerException if an error occurs
*/
protected void prepareApplication( final String name, final Entry entry )
throws ContainerException
{
}
/**
* Create a new application for kernel.
*
* @param name the name of application
* @param entry the entry corresponding to application
* @return the new Application
* @exception ContainerException if an error occurs
*/
protected abstract Application createApplicationFor( String name, Entry entry )
throws ContainerException;
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/atlantis/Application.java
Index: Application.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.atlantis;
import org.apache.avalon.Disposable;
import org.apache.avalon.Initializable;
import org.apache.avalon.Startable;
import org.apache.avalon.Stoppable;
import org.apache.avalon.camelot.Container;
/**
* The Application is a self-contained component that performs a specific
* function.
*
* Example ServerApplications may be a Mail Server, File Server, Directory Server etc.
* Example JesktopApplications may be a Spreadsheet program, browser, mail client
* Example WebApplications may be a particular website or application within a website
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Application
extends Container, Initializable, Startable, Stoppable, Disposable
{
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/atlantis/ApplicationException.java
Index: ApplicationException.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.atlantis;
import org.apache.avalon.CascadingException;
/**
* The ApplicationException used to indicate problems with applications.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public class ApplicationException
extends CascadingException
{
public ApplicationException( final String message )
{
this( message, null );
}
public ApplicationException( final String message, final Throwable throwable )
{
super( message, throwable );
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/atlantis/Embeddor.java
Index: Embeddor.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.atlantis;
import org.apache.avalon.Disposable;
import org.apache.avalon.Initializable;
import org.apache.avalon.parameters.Parametizable;
/**
* This is the object that is interacted with to create, manage and
* dispose of the kernel and related resources.
*
* @author <a href="mail@leosimons.com">Leo Simons</a>
* @author <a href="donaldp@apache.org">Peter Donald</a>
*/
public interface Embeddor
extends Parametizable, Initializable, Disposable
{
/**
* After the Embeddor is initialized, this method is called to actually
* do the work. It will return when the embeddor is ready to be disposed.
*
* @exception Exception if an error occurs
*/
void execute()
throws Exception;
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/atlantis/Facility.java
Index: Facility.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.atlantis;
import org.apache.avalon.component.Component;
/**
* A Facility is a horizontal cut through the kernel.
* Unlike Components which offer a Service/Content interface, Facilitys
* are used to facilitate the non-Service/Form interface or life-cycle orientated
* methods of Components. See documentation for a clearer explanation.
*
* Example Facilities would be
* <ul>
* <li>ConfigurationRepository that stores configuration data for components</li>
* <li>ThreadFacility that allows components to run in threads</li>
* <li>ContextUtility that builds context information for components</li>
* <li>ExportFacility that exports components to external users (perhaps via RMI)</li>
* <li>NamingFacility that binds compoents to a name in a directory</li>
* <li>ManagementFacility that manages components via JMX</li>
* </ul>
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Facility
extends Component
{
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/atlantis/Kernel.java
Index: Kernel.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.atlantis;
import org.apache.avalon.camelot.ContainerException;
/**
* The Kernel is the core of any system.
* The kernel is responsible for orchestrating low level services
* such as loading, configuring and destroying applications. It also
* gives access to basic facilities specific to that particular kernel.
* A ServerKernel may offer scheduling, naming, security, classloading etc.
* A JesktopKernel may offer inter-application drag-n-drop support.
* A VEKernel may offer inter-VE transport for Avatars.
*
* Note that no facilities are available until after the Kernel has been initialized.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Kernel
extends Application
{
/**
* Retrieve Application from container.
* The Application that is returned must be initialized
* and prepared for manipulation.
*
* @param name the name of application
* @return the application
* @exception ContainerException if an error occurs
*/
Application getApplication( String name )
throws ContainerException;
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/AbstractContainer.java
Index: AbstractContainer.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.util.HashMap;
import java.util.Iterator;
import org.apache.avalon.component.Component;
import org.apache.avalon.logger.AbstractLoggable;
/**
* This contains it during execution and may provide certain
* facilities (like a thread per EJB etc).
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public abstract class AbstractContainer
extends AbstractLoggable
implements Container
{
protected final HashMap m_entries = new HashMap();
protected Class m_entryClass;
/**
* Add a component instance to container.
*
* @param entry the component entry
*/
public void add( final String name, final Entry entry )
throws ContainerException
{
checkEntry( name, entry );
preAdd( name, entry );
m_entries.put( name, entry );
postAdd( name, entry );
}
/**
* Remove a component instance from container.
*
* @param name the name of component
*/
public void remove( final String name )
throws ContainerException
{
final Entry entry = (Entry)m_entries.get( name );
if( null == entry )
{
throw new ContainerException( "Component named " + name + " not contained" );
}
preRemove( name, entry );
m_entries.remove( name );
postRemove( name, entry );
}
/**
* Retrieve Entry from container
*
* @param name the name of entry
* @return the entry
*/
public Entry getEntry( final String name )
throws ContainerException
{
final Entry entry = (Entry)m_entries.get( name );
if( null == entry )
{
throw new ContainerException( "Name " + name + " not contained" );
}
else
{
return entry;
}
}
/**
* List all names of entries in container.
*
* @return the list of all entries
*/
public Iterator list()
{
return m_entries.keySet().iterator();
}
/**
* This method is called before entry is added to give chance for
* sub-class to veto removal.
*
* @param name the name of entry
* @param entry the entry
* @exception ContainerException to stop removal of entry
*/
protected void preAdd( final String name, final Entry entry )
throws ContainerException
{
}
/**
* This method is called after entry is added to give chance for
* sub-class to do some cleanup.
*
* @param name the name of entry
* @param entry the entry
*/
protected void postAdd( final String name, final Entry entry )
{
}
/**
* This method is called before entry is removed to give chance for
* sub-class to veto removal.
*
* @param name the name of entry
* @param entry the entry
* @exception ContainerException to stop removal of entry
*/
protected void preRemove( final String name, final Entry entry )
throws ContainerException
{
}
/**
* This method is called after entry is removed to give chance for
* sub-class to do some cleanup.
*
* @param name the name of entry
* @param entry the entry
*/
protected void postRemove( final String name, final Entry entry )
{
}
/**
* List all entries in container.
*
* @return the list of all entries
*/
protected Iterator listEntries()
{
return m_entries.values().iterator();
}
protected void checkEntry( final String name, final Entry entry )
throws ContainerException
{
if( null != m_entries.get( name ) )
{
throw new ContainerException( "Can not add component to container because " +
"entry already exists with name " + name );
}
if( !isValidName( name ) )
{
throw new ContainerException( "Can not add component to container because " +
"invalid name " + name );
}
if( !isValidEntry( entry ) )
{
throw new ContainerException( "Can not add component to container because " +
"invalid entry for " + name );
}
if( !m_entryClass.isAssignableFrom( entry.getClass() ) )
{
throw new ContainerException( "Only Entries of type " + m_entryClass.getName() +
" may be placed in container." );
}
}
protected boolean isValidName( final String name )
throws ContainerException
{
return true;
}
protected boolean isValidEntry( final Entry entry )
throws ContainerException
{
return true;
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/AbstractDeployer.java
Index: AbstractDeployer.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.util.HashMap;
import org.apache.avalon.logger.AbstractLoggable;
import org.apache.avalon.component.Component;
import org.apache.avalon.component.ComponentException;
import org.apache.excalibur.io.FileUtil;
import org.apache.log.Logger;
/**
* A Deployer is responsible for taking a URL (ie a jar/war/ear) and deploying
* it to a particular "location". "location" means different things for
* different containers. For a servlet container it may mean the place to
* mount servlet (ie /myapp --> /myapp/Cocoon.xml is mapping cocoon servlet to
* /myapp context).
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public abstract class AbstractDeployer
extends AbstractLoggable
implements Deployer
{
protected final HashMap m_deployments = new HashMap();
protected boolean m_autoUndeploy;
protected String m_type;
public void deploy( final String location, final URL url )
throws DeploymentException
{
checkDeployment( location, url );
final File file = getFileFor( url );
getLogger().info( "Deploying " + m_type + " file (" + file + ") as " + location );
deployFromFile( location, file );
}
protected void checkDeployment( final String location, final URL url )
throws DeploymentException
{
if( null != m_deployments.get( location ) )
{
throw new DeploymentException( m_type + " already exists at " + location );
}
if( !isValidLocation( location ) )
{
throw new DeploymentException( "Invalid location (" + location +
") for " + m_type );
}
}
public void undeploy( final String location )
throws DeploymentException
{
final Component component = (Component)m_deployments.get( location );
if( null == component )
{
throw new DeploymentException( m_type + " does not exist at " + location );
}
final boolean canUndeploy = canUndeploy( component );
if( !canUndeploy )
{
if( !m_autoUndeploy )
{
//we are midstream but not allowed to automagically undeploy .. therefore
throw new DeploymentException( m_type + " not ready to undeploy at " +
location );
}
else
{
shutdownDeployment( component );
}
}
//if everything has gone successful then remove application
m_deployments.remove( location );
}
protected File getCacheLocationFor( final URL url )
throws DeploymentException
{
throw new DeploymentException( "Unable to deploy non-local resources" );
}
protected File getFileFor( final URL url )
throws DeploymentException
{
File file = null;
if( url.getProtocol().equals( "file" ) )
{
file = new File( url.getFile() );
}
else
{
file = getCacheLocationFor( url );
try { FileUtil.copyURLToFile( url, file ); }
catch( final IOException ioe )
{
throw new DeploymentException( "Failed attempting to copy from " + url +
" to local file cache " + file, ioe );
}
}
file = file.getAbsoluteFile();
if( !file.exists() )
{
throw new DeploymentException( "Could not find application archive at " +
file );
}
if( file.isDirectory() )
{
throw new DeploymentException( "Could not find application archive at " +
file + " as it is a directory." );
}
return file;
}
protected boolean isValidLocation( String location )
{
return true;
}
protected boolean canUndeploy( Component component )
throws DeploymentException
{
return true;
}
protected void shutdownDeployment( Component component )
throws DeploymentException
{
}
protected abstract void deployFromFile( String location, File file )
throws DeploymentException;
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/CamelotUtil.java
Index: CamelotUtil.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.Iterator;
import org.apache.avalon.component.Component;
import org.apache.excalibur.io.DirectoryFileFilter;
import org.apache.excalibur.io.ExtensionFileFilter;
/**
* Utility methods for Camelot related facilities.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public final class CamelotUtil
{
/**
* Private constructor so impossible to instantiate.
*/
private CamelotUtil()
{
}
public static void deployFromDirectory( final Deployer deployer,
final File directory,
final String extention )
throws DeploymentException
{
deployFromDirectory( deployer, directory, new String[] { extention } );
}
public static void deployFromDirectory( final Deployer deployer,
final File directory,
final String[] extentions )
throws DeploymentException
{
final ExtensionFileFilter filter = new ExtensionFileFilter( extentions );
deployFromDirectory( deployer, directory, filter );
}
public static void deployFromDirectory( final Deployer deployer,
final File directory,
final FilenameFilter filter )
throws DeploymentException
{
final File[] files = directory.listFiles( filter );
if( null != files )
{
deployFiles( deployer, files );
}
}
public static void deployFiles( final Deployer deployer, final File[] files )
throws DeploymentException
{
for( int i = 0; i < files.length; i++ )
{
final String filename = files[ i ].getName();
int index = filename.lastIndexOf( '.' );
if( -1 == index ) index = filename.length();
final String name = filename.substring( 0, index );
try
{
final File file = files[ i ].getCanonicalFile();
deployer.deploy( name, file.toURL() );
}
catch( final MalformedURLException mue )
{
throw new DeploymentException( "Malformed URL for " + files[ i ], mue );
}
catch( final IOException ioe )
{
throw new DeploymentException( "Unable to get canonical representation " +
"for file " + files[ i ], ioe );
}
}
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/Container.java
Index: Container.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.util.Iterator;
import org.apache.avalon.component.Component;
/**
* This contains it during execution and may provide certain
* facilities (like a thread per EJB etc).
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Container
extends Component
{
/**
* Add a component instance to container.
*
* @param entry the component entry
*/
void add( String name, Entry entry )
throws ContainerException;
/**
* Remove a component instance from container.
*
* @param name the name of component
*/
void remove( String name )
throws ContainerException;
/**
* Retrieve Entry from container
*
* @param name the name of entry
* @return the entry
*/
Entry getEntry( String name )
throws ContainerException;
/**
* List all names of entries in container.
*
* @return the list of all entries
*/
Iterator list();
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/ContainerException.java
Index: ContainerException.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import org.apache.avalon.CascadingException;
/**
* Exception to indicate error manipulating container.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public final class ContainerException
extends CascadingException
{
/**
* Construct a new <code>ContainerException</code> instance.
*
* @param message The detail message for this exception.
*/
public ContainerException( final String message )
{
this( message, null );
}
/**
* Construct a new <code>ContainerException</code> instance.
*
* @param message The detail message for this exception.
* @param throwable the root cause of the exception
*/
public ContainerException( final String message, final Throwable throwable )
{
super( message, throwable );
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/DefaultFactory.java
Index: DefaultFactory.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.net.URL;
import java.util.HashMap;
import org.apache.avalon.component.Component;
import org.apache.avalon.logger.AbstractLoggable;
/**
* This is the component that creates the components.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public class DefaultFactory
extends AbstractLoggable
implements Factory
{
protected static class LoaderEntry
{
Loader m_loader;
long m_lastModified;
}
protected final HashMap m_loaders = new HashMap();
/**
* Create a component whos position is indicated by locator.
*
* @param locator the locator indicating the component location
* @return the component
* @exception FactoryException if an error occurs
*/
public Object create( final Locator locator )
throws FactoryException
{
final Loader loader = getLoaderFor( locator.getLocation() );
try { return loader.load( locator.getName() ); }
catch( final Exception e )
{
throw new FactoryException( "Unable to create " + locator.getName() +
" from " + locator.getLocation(), e );
}
}
public Object create( final Locator locator, final Class clazz )
throws FactoryException
{
final Object object = create( locator );
if( !clazz.isInstance( object ) )
{
throw new FactoryException( "Created object of type " + object.getClass().getName() +
" not compatable with type " + clazz.getName() );
}
return object;
}
protected Loader getLoaderFor( final URL url )
{
final String location = url.toString();
LoaderEntry loader = (LoaderEntry)m_loaders.get( location );
if( null == loader )
{
getLogger().info( "Creating ClassLoader for " + location );
loader = new LoaderEntry();
loader.m_loader = setupLoader( url );
loader.m_lastModified = System.currentTimeMillis();
m_loaders.put( location, loader );
}
else
{
//TODO: Check it up to date and reload if necessary
}
return loader.m_loader;
}
protected Loader setupLoader( final URL url )
{
final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
final Loader loader = createLoader( url, classLoader );
setupLogger( loader );
return loader;
}
/**
* Create a new loader.
* Put in another method so that it can be overridden.
*
* @param location the location the Loader will load from
* @return the loader
*/
protected Loader createLoader( final URL url, final ClassLoader classLoader )
{
return new DefaultLoader( url, classLoader );
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/DefaultLoader.java
Index: DefaultLoader.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.net.URL;
import java.net.URLClassLoader;
import org.apache.avalon.ExceptionUtil;
/**
* Class used to load resources from a source.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public class DefaultLoader
implements Loader
{
protected ClassLoader m_classLoader;
public DefaultLoader( final ClassLoader classLoader )
{
m_classLoader = classLoader;
}
public DefaultLoader( final URL location, final ClassLoader classLoader )
{
m_classLoader = new URLClassLoader( new URL[] { location }, classLoader );
}
public DefaultLoader( final URL location )
{
this( location, Thread.currentThread().getContextClassLoader() );
}
public DefaultLoader()
{
final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
m_classLoader = new URLClassLoader( new URL[0], classLoader );
}
/**
* Retrieve classloader associated with source.
*
* @return the ClassLoader
*/
public ClassLoader getClassLoader()
{
return m_classLoader;
}
public Object load( final String classname, final Class clazz )
throws FactoryException
{
final Object object = load( classname );
if( !clazz.isInstance( object ) )
{
throw new FactoryException( "Created object of type " + object.getClass().getName() +
" not compatable with type " + clazz.getName() );
}
return object;
}
/**
* Load an object from source.
*
* @param classname the name of object
* @return the Object
* @exception FactoryException if an error occurs
*/
public Object load( final String classname )
throws FactoryException
{
try
{
return m_classLoader.loadClass( classname ).newInstance();
}
catch( final ClassNotFoundException cnfe )
{
throw new FactoryException( "Failed to locate class " + classname, cnfe );
}
catch( final InstantiationException ie )
{
throw new FactoryException( "Failed to instantiate class " + classname, ie );
}
catch( final IllegalAccessException iae )
{
throw new FactoryException( "Failed to instantiate class " + classname +
" as it does not have a publicly accesable " +
"default constructor", iae );
}
catch( final Throwable t )
{
throw new FactoryException( "Failed to get class " + classname +
" due to " + ExceptionUtil.printStackTrace( t, 5, true ),
t );
}
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/DefaultLocator.java
Index: DefaultLocator.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.net.URL;
import org.apache.avalon.component.Component;
/**
* This contains information required to locate a component.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public class DefaultLocator
implements Locator
{
protected final String m_name;
protected final URL m_location;
public DefaultLocator( final String name, final URL location )
{
m_name = name;
m_location = location;
}
/**
* Retrieve "name" of component type.
* The "name" usually indicates the classname.
*
* @return the name
*/
public String getName()
{
return m_name;
}
/**
* Retrieve location of component.
* Usually references the archive (zip/jar/war/ear)
* which contains the name (ie classname)
*
* @return the URL of location
*/
public URL getLocation()
{
return m_location;
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/DefaultRegistry.java
Index: DefaultRegistry.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.util.HashMap;
import java.util.Iterator;
/**
* Represents a Registry of names to types.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public class DefaultRegistry
implements Registry
{
protected final HashMap m_infos = new HashMap();
protected final Class m_infoClass;
public DefaultRegistry( final Class clazz )
{
m_infoClass = clazz;
}
public void register( final String name, final Info info )
throws RegistryException
{
if( null != m_infos.get( name ) )
{
throw new RegistryException( "Name " + name + " already registered" );
}
else
{
checkInfo( name, info );
m_infos.put( name, info );
}
}
public void unregister( final String name )
throws RegistryException
{
if( null == m_infos.remove( name ) )
{
throw new RegistryException( "Name " + name + " not registered" );
}
}
public Info getInfo( final String name, final Class clazz )
throws RegistryException
{
final Info info = (Info)m_infos.get( name );
if( null == info )
{
throw new RegistryException( "Name " + name + " not registered" );
}
else if( !clazz.isInstance( info ) )
{
throw new RegistryException( "Info of type " + info.getClass().getName() +
" not compatable with expected type " + clazz.getName() );
}
else
{
return info;
}
}
public Iterator getInfoNames()
{
return m_infos.keySet().iterator();
}
protected void checkInfo( final String name, final Info info )
throws RegistryException
{
if( !m_infoClass.isAssignableFrom( info.getClass() ) )
{
throw new RegistryException( "Only Infos of type " + m_infoClass.getName() +
" may be placed in registry." );
}
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/Deployer.java
Index: Deployer.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.net.URL;
import org.apache.avalon.component.Component;
/**
* A Deployer is responsible for taking a URL (ie a jar/war/ear) and deploying
* it to a particular "location". "location" means different things for
* different containers. For a servlet container it may mean the place to
* mount servlet (ie /myapp --> /myapp/Cocoon.xml is mapping cocoon servlet to
* /myapp context).
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Deployer
extends Component
{
/**
* Deploy a resource indicate by url to location.
*
* @param location the location to deploy to
* @param url the url of deployment
* @exception DeploymentException if an error occurs
*/
void deploy( String location, URL url )
throws DeploymentException;
/**
* undeploy a resource from a location.
*
* @param location the location
* @exception DeploymentException if an error occurs
*/
void undeploy( String location )
throws DeploymentException;
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/DeployerUtil.java
Index: DeployerUtil.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URL;
import java.util.Properties;
import java.util.jar.Manifest;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;
import org.apache.avalon.component.ComponentManager;
import org.apache.avalon.component.ComponentException;
import org.apache.avalon.component.Composable;
import org.apache.avalon.configuration.Configuration;
import org.apache.avalon.configuration.ConfigurationException;
import org.apache.avalon.configuration.DefaultConfigurationBuilder;
import org.xml.sax.SAXException;
/**
* This class deploys resources from camelot based system.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public final class DeployerUtil
{
protected static DefaultConfigurationBuilder c_configurationBuilder;
/**
* Private constructor to block instantiation.
*/
private DeployerUtil()
{
}
protected static DefaultConfigurationBuilder getBuilder()
{
if( null == c_configurationBuilder )
{
c_configurationBuilder = new DefaultConfigurationBuilder();
}
return c_configurationBuilder;
}
/**
* Get zipFile represented by URL.
*
* @param url the URL
* @return the ZipFile
* @exception DeploymentException if an error occurs
*/
/*
public final static ZipFile getZipFileFor( final URL url )
throws DeploymentException
{
final File file = getFileFor( url );
return getZipFileFor( file );
}
*/
/**
* Retrieve zip file for file.
*
* @param file the file
* @return the zipFile
* @exception DeploymentException if an error occurs
*/
public final static ZipFile getZipFileFor( final File file )
throws DeploymentException
{
try { return new ZipFile( file ); }
catch( final IOException ioe )
{
throw new DeploymentException( "Error opening " + file +
" due to " + ioe.getMessage(),
ioe );
}
}
/**
* Utility method to load configuration from zip.
*
* @param zipFile the zip file
* @param filename the property filename
* @return the Configuration
* @exception DeploymentException if an error occurs
*/
public final static Configuration loadConfiguration( final ZipFile zipFile,
final String filename )
throws DeploymentException
{
return buildConfiguration( loadResourceStream( zipFile, filename ) );
}
/**
* Build a configuration tree based on input stream.
*
* @param input the InputStream
* @return the Configuration tree
* @exception DeploymentException if an error occurs
*/
public final static Configuration buildConfiguration( final InputStream input )
throws DeploymentException
{
try { return getBuilder().build( input ); }
catch( final SAXException se )
{
throw new DeploymentException( "Malformed configuration data", se );
}
catch( final ConfigurationException ce )
{
throw new DeploymentException( "Error building configuration", ce );
}
catch( final IOException ioe )
{
throw new DeploymentException( "Error reading configuration", ioe );
}
}
/**
* Utility method to load a manifest from a zip file.
*
* @param zipFile the zip file
* @return the Manifest
*/
public final static Manifest loadManifest( final ZipFile zipFile )
throws DeploymentException
{
final InputStream input = loadResourceStream( zipFile, "META-INF/MANIFEST.MF" );
try { return new Manifest( input ); }
catch( final IOException ioe )
{
throw new DeploymentException( "Error reading manifest", ioe );
}
finally
{
try { input.close(); }
catch( final IOException ioe ) {}
}
}
/**
* Utility method to load properties from zip.
*
* @param zipFile the zip file
* @param filename the property filename
* @return the Properties
* @exception DeploymentException if an error occurs
*/
public final static Properties loadProperties( final ZipFile zipFile,
final String filename )
throws DeploymentException
{
final Properties properties = new Properties();
try { properties.load( loadResourceStream( zipFile, filename ) ); }
catch( final IOException ioe )
{
throw new DeploymentException( "Error reading " + filename +
" from " + zipFile.getName(),
ioe );
}
return properties;
}
/**
* Load a resource from a zip file.
*
* @param zipFile the ZipFile
* @param filename the filename
* @return the InputStream
* @exception DeploymentException if an error occurs
*/
public final static InputStream loadResourceStream( final ZipFile zipFile,
final String filename )
throws DeploymentException
{
final ZipEntry entry = zipFile.getEntry( filename );
if( null == entry )
{
throw new DeploymentException( "Unable to locate " + filename +
" in " + zipFile.getName() );
}
try { return zipFile.getInputStream( entry ); }
catch( final IOException ioe )
{
throw new DeploymentException( "Error reading " + filename +
" from " + zipFile.getName(),
ioe );
}
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/DeploymentException.java
Index: DeploymentException.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import org.apache.avalon.CascadingException;
/**
* Exception to indicate error deploying.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public final class DeploymentException
extends CascadingException
{
/**
* Construct a new <code>DeploymentException</code> instance.
*
* @param message The detail message for this exception.
*/
public DeploymentException( final String message )
{
this( message, null );
}
/**
* Construct a new <code>DeploymentException</code> instance.
*
* @param message The detail message for this exception.
* @param throwable the root cause of the exception
*/
public DeploymentException( final String message, final Throwable throwable )
{
super( message, throwable );
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/Descriptor.java
Index: Descriptor.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
/**
* This contains information about the component.
* (ie would be a BlockDescriptor, an EJBDescriptor, a MailetDescriptor etc)
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Descriptor
extends Info
{
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/Entry.java
Index: Entry.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import org.apache.avalon.component.Component;
/**
* Contains information about a particular instance of contained component.
* This would contain name, configuration data, parameters, log entries etc.
* Basically instance data.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public class Entry
implements Component
{
private Info m_info;
private Object m_instance;
private State m_state;
private Locator m_locator;
public Entry()
{
}
public Entry( final Info info, final Object instance, final State state )
{
m_info = info;
m_instance = instance;
m_state = state;
}
/**
* Retrieve Info describing instance.
*
* @return the info
*/
public Info getInfo()
{
return m_info;
}
/**
* Mutator for info property.
*
* @param info the Info
*/
public void setInfo( final Info info )
{
m_info = info;
}
/**
* Retrieve Locator describing access path for instance.
*
* @return the locator
*/
public Locator getLocator()
{
return m_locator;
}
/**
* Mutator for locator property.
*
* @param locator the Locator
*/
public void setLocator( final Locator locator )
{
m_locator = locator;
}
/**
* Retrieve instance of component.
*
* @return the component instance
*/
public Object getInstance()
{
return m_instance;
}
/**
* Set instance of component.
*
* @return the component instance
*/
public void setInstance( final Object instance )
{
m_instance = instance;
}
/**
* Retrieve state of a component.
*
* @return the components state
*/
public State getState()
{
return m_state;
}
/**
* set state of a component.
*
* @param state the components state
*/
public void setState( final State state )
{
m_state = state;
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/Factory.java
Index: Factory.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import org.apache.avalon.component.Component;
/**
* This is the component that creates the components.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Factory
extends Component
{
/**
* Create a component whos position is indicated by locator.
*
* @param locator the locator indicating the component location
* @return the component
* @exception FactoryException if an error occurs
*/
Object create( Locator locator )
throws FactoryException;
/**
* Create a component whos position is indicated by locator.
* Make sure it is of the correct type.
*
* @param locator the locator indicating the component location
* @param clazz the expected type of component
* @return the component
* @exception FactoryException if an error occurs
*/
Object create( Locator locator, Class clazz )
throws FactoryException;
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/FactoryException.java
Index: FactoryException.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import org.apache.avalon.CascadingException;
/**
* Exception to indicate error creating entries in factory.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public final class FactoryException
extends CascadingException
{
/**
* Construct a new <code>FactoryException</code> instance.
*
* @param message The detail message for this exception.
*/
public FactoryException( final String message )
{
this( message, null );
}
/**
* Construct a new <code>FactoryException</code> instance.
*
* @param message The detail message for this exception.
* @param throwable the root cause of the exception
*/
public FactoryException( final String message, final Throwable throwable )
{
super( message, throwable );
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/Info.java
Index: Info.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import org.apache.avalon.component.Component;
/**
* This contains information relating to a component.
* (ie BlockInfo, BeanInfo, MailetInfo etc).
*
* There is currently also two different sub-interfaces - Descriptor and Locator.
* Descriptor describes static meta information about component while Locator
* locates it in the system.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Info
extends Component
{
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/Loader.java
Index: Loader.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import org.apache.avalon.component.Component;
/**
* Class used to load resources from a source.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Loader
extends Component
{
/**
* Retrieve classloader associated with source.
*
* @return the ClassLoader
*/
ClassLoader getClassLoader();
/**
* Load an object from source.
*
* @param component the name of object
* @return the Object
* @exception FactoryException if an error occurs
*/
Object load( String component )
throws FactoryException;
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/Locator.java
Index: Locator.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.net.URL;
import org.apache.avalon.component.Component;
/**
* This contains information required to locate a component.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Locator
extends Info
{
/**
* Retrieve "name" of component type.
* The "name" usually indicates the classname.
*
* @return the name
*/
String getName();
/**
* Retrieve location of component.
* Usually references the archive (zip/jar/war/ear)
* which contains the name (ie classname)
*
* @return the URL of location
*/
URL getLocation();
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/Registry.java
Index: Registry.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.util.Iterator;
import org.apache.avalon.component.Component;
/**
* Represents a database of Infos.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public interface Registry
extends Component
{
/**
* register an info under a particular name.
*
* @param name the name
* @param info the info
* @exception RegistryException if info is invalid or name already contains info under name
*/
void register( String name, Info info )
throws RegistryException;
/**
* unregister an info.
*
* @param name the name of info
* @exception RegistryException if no such info exists
*/
void unregister( String name )
throws RegistryException;
/**
* Retrieve an Info by name.
*
* @param name the name
* @param clazz the expected class type of info
* @return the Info
* @exception RegistryException if an error occurs
*/
Info getInfo( String name, Class clazz )
throws RegistryException;
/**
* Return an iterator of all names of infos registered.
*
* @return the info names
*/
Iterator getInfoNames();
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/RegistryException.java
Index: RegistryException.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import org.apache.avalon.CascadingException;
/**
* Exception to indicate registry error.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public final class RegistryException
extends CascadingException
{
/**
* Construct a new <code>RegistryException</code> instance.
*
* @param message The detail message for this exception.
*/
public RegistryException( final String message )
{
this( message, null );
}
/**
* Construct a new <code>RegistryException</code> instance.
*
* @param message The detail message for this exception.
* @param throwable the root cause of the exception
*/
public RegistryException( final String message, final Throwable throwable )
{
super( message, throwable );
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/SimpleFactory.java
Index: SimpleFactory.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import java.net.URL;
/**
* This is the component that creates the components.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public class SimpleFactory
implements Factory
{
private final ClassLoader m_classLoader;
public SimpleFactory( final ClassLoader classLoader )
{
m_classLoader = classLoader;
}
/**
* Create a component whos position is indicated by locator.
*
* @param locator the locator indicating the component location
* @return the component
* @exception FactoryException if an error occurs
*/
public Object create( final Locator locator )
throws FactoryException
{
try
{
final Class clazz = m_classLoader.loadClass( locator.getName() );
return clazz.newInstance();
}
catch( final Exception e )
{
throw new FactoryException( "Unable to create " + locator.getName() +
" from " + locator.getLocation(), e );
}
}
public Object create( final Locator locator, final Class clazz )
throws FactoryException
{
final Object object = create( locator );
if( !clazz.isInstance( object ) )
{
throw new FactoryException( "Created object of type " + object.getClass().getName() +
" not compatable with type " + clazz.getName() );
}
return object;
}
}
1.1 jakarta-avalon-phoenix/src/java/org/apache/avalon/camelot/State.java
Index: State.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon.camelot;
import org.apache.avalon.util.ValuedEnum;
/**
* Defines possible states for contained components.
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public class State
extends ValuedEnum
{
public State( final String name, final int value )
{
super( name, value );
}
}
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