epugh 2003/11/02 13:52:39
Added: src/java/org/apache/turbine/services/avaloncomponent
MerlinComponentService.java
Log:
Merlin based Component Service interface.
Revision Changes Path
1.1
jakarta-turbine-2/src/java/org/apache/turbine/services/avaloncomponent/MerlinComponentService.java
Index: MerlinComponentService.java
===================================================================
package org.apache.turbine.services.avaloncomponent;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, 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 "Apache" and "Apache Software Foundation" and
* "Apache Turbine" 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",
* "Apache Turbine", 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 (INCLUDING, 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/>.
*/
import org.apache.turbine.services.Service;
/**
* This service allows access to avalon components.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Quinton McCombs</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Henning P. Schmiedehausen</a>
* @version $Id: MerlinComponentService.java,v 1.1 2003/11/02 21:52:39 epugh Exp $
*/
public interface MerlinComponentService
extends Service
{
/** The publically visible name of the service */
String SERVICE_NAME = "MerlinComponentService";
/** property specifing file name of the component block files path */
String BLOCK_CONFIG_KEY = "block.path";
/** property specifing file name of the default path for block files */
String BLOCK_CONFIG_PATH = "/WEB-INF/conf/merlin";
/** property specifing key for finding the kernal file */
String KERNAL_CONFIG_KEY = "kernel";
/** property specifing default file name for kernal */
String KERNAL_CONFIG_PATH = "/WEB-INF/conf/merlin/kernel.xml";
/** property for the Components to look up */
String COMPONENT_LOOKUP_KEY = "lookup";
/** Key used in the context for defining the application root */
String COMPONENT_APP_ROOT = "componentAppRoot";
/**
* Returns an instance of the named component
*
* @param roleName Name of the role the component fills.
* @return an instance of the named component
* @throws Exception generic exception
*/
public Object lookup(String path) throws Exception;
/**
* Releases the component
*
* @param source. The path to the handler for this component
* For example, if the component is a java.sql.Connection
* object sourced from the "/turbine-merlin/datasource"
* component, the call would be :-
* release("/turbine-merlin/datasource", conn);
* @param component the component to release
*/
public void release(Object component);
}
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