Author: niclas
Date: Sat Aug 7 04:31:47 2004
New Revision: 36059
Added:
avalon/trunk/planet/facilities/console/commands/src/main/org/apache/avalon/facilities/console/commands/ViewModelCmd.java
(contents, props changed)
Modified:
avalon/trunk/planet/facilities/console/blocks/default/build.xml
Log:
Added a 'viewmodel' command to the console.
Modified: avalon/trunk/planet/facilities/console/blocks/default/build.xml
==============================================================================
--- avalon/trunk/planet/facilities/console/blocks/default/build.xml (original)
+++ avalon/trunk/planet/facilities/console/blocks/default/build.xml Sat Aug 7
04:31:47 2004
@@ -40,6 +40,9 @@
<x:component name="help"
class="org.apache.avalon.facilities.console.commands.HelpCmd"/>
+
+ <x:component name="viewmodel"
+
class="org.apache.avalon.facilities.console.commands.ViewModelCmd"/>
</x:block>
</target>
Added:
avalon/trunk/planet/facilities/console/commands/src/main/org/apache/avalon/facilities/console/commands/ViewModelCmd.java
==============================================================================
--- (empty file)
+++
avalon/trunk/planet/facilities/console/commands/src/main/org/apache/avalon/facilities/console/commands/ViewModelCmd.java
Sat Aug 7 04:31:47 2004
@@ -0,0 +1,198 @@
+/*
+ * Copyright 1997-2004 Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.avalon.facilities.console.commands;
+
+import java.io.IOException;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+
+import org.apache.avalon.composition.model.ComponentModel;
+import org.apache.avalon.composition.model.ContainmentModel;
+import org.apache.avalon.composition.model.DeploymentModel;
+
+import org.apache.avalon.facilities.console.Console;
+import org.apache.avalon.facilities.console.ConsoleCommand;
+
+import org.apache.avalon.framework.context.Context;
+import org.apache.avalon.framework.context.ContextException;
+import org.apache.avalon.framework.context.Contextualizable;
+
+import org.apache.avalon.framework.service.Serviceable;
+import org.apache.avalon.framework.service.ServiceException;
+import org.apache.avalon.framework.service.ServiceManager;
+
+/**
+ * @avalon.component name="console-dummy" lifestyle="singleton"
+ * @avalon.service type="org.apache.avalon.facilities.console.ConsoleCommand"
+ */
+public class ViewModelCmd
+ implements ConsoleCommand, Serviceable, Contextualizable
+{
+ private ContainmentModel m_RootModel;
+
+ public String getName()
+ {
+ return "viewmodel";
+ }
+
+ public String getDescription()
+ {
+ String str = "usage: viewmodel (path)\n\nDisplays the composition model.";
+ return str;
+ }
+
+ /**
+ * Contextulaization of the listener by the container during
+ * which we are supplied with the root composition model for
+ * the application.
+ *
+ * @param ctx the supplied listener context
+ *
+ * @exception ContextException if a contextualization error occurs
+ *
+ * @avalon.entry key="urn:composition:containment.model"
+ * type="org.apache.avalon.composition.model.ContainmentModel"
+ *
+ */
+ public void contextualize( Context ctx )
+ throws ContextException
+ {
+ m_RootModel = (ContainmentModel) ctx.get( "urn:composition:containment.model"
);
+ }
+
+ /**
+ * @avalon.dependency type="org.apache.avalon.facilities.console.Console"
+ * key="console"
+ */
+ public void service( ServiceManager man )
+ throws ServiceException
+ {
+ Console console = (Console) man.lookup( "console" );
+ console.addCommand( this );
+ }
+
+ public void execute( BufferedReader input, BufferedWriter output, String[]
arguments )
+ throws Exception
+ {
+ output.newLine();
+ String path;
+ if( arguments.length == 0 )
+ path = "/";
+ else
+ path = arguments[0];
+ DeploymentModel model = m_RootModel.getModel( path );
+
+ printModel( output, "", model );
+ output.newLine();
+ output.flush();
+ }
+
+ public void printModel( BufferedWriter output, String lead, DeploymentModel model
)
+ throws IOException
+ {
+ if( model instanceof ContainmentModel )
+ {
+ printContainmentModel( output, lead, (ContainmentModel) model );
+ }
+ else if( model instanceof ComponentModel )
+ {
+ printComponentModel( output, lead, (ComponentModel) model );
+ }
+ }
+
+ public void printContainmentModel( BufferedWriter output, String lead,
ContainmentModel model )
+ throws IOException
+ {
+ printDeploymentModel( output, lead, model );
+ DeploymentModel[] models = model.getModels();
+ if( models.length > 0 )
+ {
+ output.write( lead + " children:" );
+ output.newLine();
+ for( int i=0; i<models.length; i++ )
+ {
+ DeploymentModel m = models[i];
+ printModel( output, " " + lead, m );
+ }
+ }
+ models = model.getStartupGraph();
+ if( models.length > 0 )
+ {
+ output.write( lead + " startup:" );
+ output.newLine();
+ for( int i=0; i<models.length; i++ )
+ {
+ DeploymentModel m = models[i];
+ output.write( " " + lead + (i+1) + ": " + m );
+ output.newLine();
+ }
+ }
+ models = ((ContainmentModel)model).getShutdownGraph();
+ if( models.length > 0 )
+ {
+ output.write( lead + " shutdown:" );
+ output.newLine();
+ for( int i=0; i<models.length; i++ )
+ {
+ DeploymentModel m = models[i];
+ output.write( " " + lead + (i+1) + ": " + m );
+ output.newLine();
+ }
+ }
+ }
+
+ public void printComponentModel( BufferedWriter output, String lead,
ComponentModel model )
+ throws IOException
+ {
+ printDeploymentModel( output, lead, model );
+ }
+
+ public void printDeploymentModel( BufferedWriter output, String lead,
DeploymentModel model )
+ throws IOException
+ {
+ output.write(
+ lead
+ + "model:"
+ + model + "("
+ + model.getDeploymentTimeout()
+ + ")" );
+
+ output.newLine();
+ DeploymentModel[] providers = model.getProviderGraph();
+ DeploymentModel[] consumers = model.getConsumerGraph();
+
+ if(( providers.length == 0 ) && ( consumers.length == 0 ))
+ {
+ return;
+ }
+
+ if( providers.length > 0 ) for( int i=0; i<providers.length; i++ )
+ {
+ DeploymentModel m = providers[i];
+ output.write( lead + " <-- " + m );
+ output.newLine();
+ }
+
+ if( consumers.length > 0 ) for( int i=0; i<consumers.length; i++ )
+ {
+ DeploymentModel m = consumers[i];
+ output.write( lead + " --> " + m );
+ output.newLine();
+ }
+ }
+
+}
+
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