bloritsch 2002/09/17 10:55:35
Added: container/src/java/org/apache/excalibur/container/legacy
ComponentManager2ServiceManager.java
ComponentSelector2ServiceSelector.java
Log:
add converter classes to upgrade a ComponentManager to a ServiceManager
Revision Changes Path
1.1
jakarta-avalon-excalibur/container/src/java/org/apache/excalibur/container/legacy/ComponentManager2ServiceManager.java
Index: ComponentManager2ServiceManager.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) @year@ The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Jakarta", "Avalon", "Excalibur" and "Apache Software
Foundation"
must not be used to endorse or promote products derived from this
software
without prior written permission. For written permission, please contact
[EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation. For more information on the
Apache Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.excalibur.container.legacy;
import org.apache.avalon.framework.component.Component;
import org.apache.avalon.framework.component.ComponentException;
import org.apache.avalon.framework.component.ComponentManager;
import org.apache.avalon.framework.component.ComponentSelector;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
/**
* This is the Default ComponentManager for the Container. It provides
* a very simple abstraction, and makes it easy for the Container to manage
* the references.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Berin Loritsch</a>
* @version CVS $Revision: 1.1 $ $Date: 2002/09/17 17:55:35 $
*/
public class ComponentManager2ServiceManager implements ServiceManager
{
private final ComponentManager m_manager;
/**
* This constructor is a constructor for a ComponentServiceManager
*/
public ComponentManager2ServiceManager( final ComponentManager wrapped )
{
m_manager = wrapped;
}
public Object lookup( String role )
throws ServiceException
{
Object temp = null;
try
{
temp = m_manager.lookup( role );
if ( temp instanceof ComponentSelector )
{
temp = new ComponentSelector2ServiceSelector( role,
(ComponentSelector) temp
);
}
}
catch( ComponentException ce )
{
throw new ServiceException( role,
"Could not return a reference to the Component", ce );
}
return temp;
}
public boolean hasService( String role )
{
return m_manager.hasComponent( role );
}
public void release( Object component )
{
m_manager.release((Component) component);
}
}
1.1
jakarta-avalon-excalibur/container/src/java/org/apache/excalibur/container/legacy/ComponentSelector2ServiceSelector.java
Index: ComponentSelector2ServiceSelector.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) @year@ The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Jakarta", "Avalon", "Excalibur" and "Apache Software
Foundation"
must not be used to endorse or promote products derived from this
software
without prior written permission. For written permission, please contact
[EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation. For more information on the
Apache Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.excalibur.container.legacy;
import org.apache.avalon.framework.component.Component;
import org.apache.avalon.framework.component.ComponentException;
import org.apache.avalon.framework.component.ComponentSelector;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceSelector;
/**
* This is the Default ComponentManager for the Container. It provides
* a very simple abstraction, and makes it easy for the Container to manage
* the references.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Berin Loritsch</a>
* @version CVS $Revision: 1.1 $ $Date: 2002/09/17 17:55:35 $
*/
public class ComponentSelector2ServiceSelector implements ServiceSelector
{
private final ComponentSelector m_selector;
private final String m_role;
/**
* This constructor is a constructor for a ComponentServiceManager
*/
public ComponentSelector2ServiceSelector( final String role, final
ComponentSelector wrapped )
{
m_role = role + "/";
m_selector = wrapped;
}
public Object select( Object hint )
throws ServiceException
{
Object temp = null;
try
{
temp = m_selector.select( hint );
}
catch( ComponentException ce )
{
throw new ServiceException( m_role + hint,
"Could not return a reference to the Component", ce );
}
return temp;
}
public boolean isSelectable( Object hint )
{
return m_selector.hasComponent( hint );
}
public void release( Object component )
{
m_selector.release((Component) component);
}
}
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