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Eric J. Bowersox
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src/dynamo-test/com/silverwrist/dynamo/test/TestApplication.java
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214
src/dynamo-test/com/silverwrist/dynamo/test/TestApplication.java
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/*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
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*
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* Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
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* WARRANTY OF ANY KIND, either express or implied. See the License for the specific
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* language governing rights and limitations under the License.
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*
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* The Original Code is the Venice Web Communities System.
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*
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* The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
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* for Silverwrist Design Studios. Portions created by Eric J. Bowersox are
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* Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios. All Rights Reserved.
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*
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* Contributor(s):
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*/
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package com.silverwrist.dynamo.test;
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import org.apache.log4j.Logger;
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import org.w3c.dom.*;
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import com.silverwrist.util.xml.*;
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import com.silverwrist.dynamo.DynamoVersion;
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import com.silverwrist.dynamo.Namespaces;
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import com.silverwrist.dynamo.except.*;
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import com.silverwrist.dynamo.iface.*;
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import com.silverwrist.dynamo.module.ModuleOperations;
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public class TestApplication implements Application
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{
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/*--------------------------------------------------------------------------------
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* Internal class implementing initialization code
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*--------------------------------------------------------------------------------
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*/
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private class AppInit implements ComponentInitialize
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{
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/*====================================================================
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* Constructor
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*====================================================================
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*/
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AppInit()
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{ // do nothing
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} // end constructor
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/*====================================================================
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* Implementations from interface ComponentInitialize
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*====================================================================
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*/
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public void initialize(Element config_root, ServiceProvider services) throws ConfigException
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{
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XMLLoader loader = XMLLoader.get();
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try
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{ // verify the right node name
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loader.verifyNodeName(config_root,"application");
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// get the object's name
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m_name = loader.getAttribute(config_root,"name");
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logger.info("Application '" + m_name + "' initialized");
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} // end try
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catch (XMLLoadException e)
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{ // error loading XML config data
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throw new ConfigException(e);
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} // end catch
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// Load the test module.
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ModuleOperations mod = (ModuleOperations)(services.queryService(ModuleOperations.class));
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try
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{ // load it!
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mod.loadModule("dynamo-test-module.jar",true);
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} // end try
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catch (ModuleException e)
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{ // translate ModuleException into ConfigException
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throw new ConfigException(e);
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} // end catch
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} // end initialize
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} // end class AppInit
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/*--------------------------------------------------------------------------------
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* Internal class implementing shutdown code
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*--------------------------------------------------------------------------------
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*/
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private class AppTerm implements ComponentShutdown
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{
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/*====================================================================
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* Constructor
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*====================================================================
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*/
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AppTerm()
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{ // do nothing
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} // end constructor
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/*====================================================================
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* Implementations from interface ComponentShutdown
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*====================================================================
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*/
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public void shutdown()
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{
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logger.info("Application '" + m_name + "' shutting down!");
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} // end shutdown
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} // end class AppTerm
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/*--------------------------------------------------------------------------------
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* Static data members
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*--------------------------------------------------------------------------------
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*/
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private static Logger logger = Logger.getLogger(TestApplication.class);
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/*--------------------------------------------------------------------------------
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* Attributes
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*--------------------------------------------------------------------------------
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*/
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private String m_name; // the name of this object
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/*--------------------------------------------------------------------------------
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* Constructor
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*--------------------------------------------------------------------------------
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*/
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public TestApplication()
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{
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logger.info("Constructing new TestApplication");
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} // end constructor
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/*--------------------------------------------------------------------------------
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* Implementations from interface NamedObject
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*--------------------------------------------------------------------------------
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*/
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public String getName()
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{
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return m_name;
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} // end getName
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/*--------------------------------------------------------------------------------
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* Implementations from interface ServiceProvider
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*--------------------------------------------------------------------------------
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*/
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/**
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* Queries this object for a specified service.
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*
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* @param klass The class of the object that should be returned as a service.
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* @return A service object. The service object is guaranteed to be of the class
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* specified by <CODE>klass</CODE>; that is, if <CODE>queryService(klass)</CODE>
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* yields some object <CODE>x</CODE>, then the expression <CODE>klass.isInstance(x)</CODE>
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* is true.
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* @exception com.silverwrist.dynamo.except.NoSuchServiceException If no service is available in
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* the specified class.
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*/
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public Object queryService(Class klass)
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{
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if (klass==ComponentInitialize.class)
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return (ComponentInitialize)(new AppInit());
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if (klass==ComponentShutdown.class)
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return (ComponentShutdown)(new AppTerm());
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throw new NoSuchServiceException("TestApplication",klass);
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} // end queryService
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/**
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* Queries this object for a specified service.
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*
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* @param klass The class of the object that should be returned as a service.
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* @param serviceid ID for the service to be requested, to further discriminate between requests.
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* @return A service object. The service object is guaranteed to be of the class
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* specified by <CODE>klass</CODE>; that is, if <CODE>queryService(klass)</CODE>
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* yields some object <CODE>x</CODE>, then the expression <CODE>klass.isInstance(x)</CODE>
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* is true.
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* @exception com.silverwrist.dynamo.except.NoSuchServiceException If no service is available in
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* the specified class.
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*/
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public Object queryService(Class klass, String serviceid)
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{
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return queryService(klass);
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} // end queryService
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/*--------------------------------------------------------------------------------
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* Implementations from interface Application
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*--------------------------------------------------------------------------------
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*/
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public String getIdentity()
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{
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return "DynamoTestApp/" + DynamoVersion.VERSION;
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} // end getIdentity
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public Object getNullContentError(Request r)
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{
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return "ERROR! Content is NULL!";
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} // end getNullContentError
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} // end class TestApplication
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