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/*******************************************************************************
* Copyright (c) 2005, 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* yyyymmdd bug Email and other contact information
* -------- -------- -----------------------------------------------------------
* 20060726 151614 pmoogk@ca.ibm.com - Peter Moogk
* 20061011 159283 makandre@ca.ibm.com - Andrew Mak, project not associated to EAR when using ant on command-line
*******************************************************************************/
package org.eclipse.wst.command.internal.env.ant;
import java.util.Hashtable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.wst.command.internal.env.EnvironmentMessages;
import org.eclipse.wst.command.internal.env.context.PersistentResourceContext;
import org.eclipse.wst.command.internal.env.core.CommandManager;
import org.eclipse.wst.command.internal.env.core.context.TransientResourceContext;
import org.eclipse.wst.command.internal.env.core.data.DataFlowManager;
import org.eclipse.wst.command.internal.env.core.data.DataMappingRegistryImpl;
import org.eclipse.wst.command.internal.env.core.fragment.CommandFragment;
import org.eclipse.wst.command.internal.env.core.fragment.FragmentListener;
/**
*
* Central point of control for web service Ant tasks.
* Constructs Ant environment, root fragment and command manager. Starts execution of the command stack.
*
* @author joan
*
*/
public class AntController {
private AntOperationManager operationManager_;
public AntController(Hashtable properties)
{
// construct the environment - passing in the property table
// --maintains link to property table plus any other environment properties
// --code to access extension point mappings for operations to retrieve data from property table
TransientResourceContext resourceContext = (TransientResourceContext)PersistentResourceContext.getInstance().copy();
AntStatusHandler handler = new AntStatusHandler();
AntEnvironment environment = new AntEnvironment(this, resourceContext, handler, properties);
// construct data manager for maintaining state across operations
DataFlowManager dataManager = new DataFlowManager( new DataMappingRegistryImpl(), environment);
// set up operation fragments - conditional on options by user... service or client
// also need to initialize the "selection" or input file (WSDL, Java) here
CommandFragment rootFragment = environment.getRootCommandFragment();
if (rootFragment != null)
{
//construct the engine - manages execution of operations
createOperationManager(rootFragment, dataManager, environment);
DataMappingRegistryImpl dataRegistry_ = new DataMappingRegistryImpl();
rootFragment.registerDataMappings(dataRegistry_);
}
else //problem getting the root fragment - scenario type is likely missing
{
handler.reportError(new Status(IStatus.ERROR, "ws_ant", 9999, EnvironmentMessages.MSG_ERROR_ANT_SCENARIO_TYPE, null));
return;
}
//ready to start running operations
((AntOperationManager)getOperationManager()).moveForwardToNextStop(new NullProgressMonitor());
if (!operationManager_.getLastStatus().isOK())
operationManager_.undoToLastStop();
}
private void createOperationManager(CommandFragment frag, DataFlowManager mgr, AntEnvironment env)
{
operationManager_ = new AntOperationManager(frag, mgr, env);
operationManager_.setPeekFragmentListener(
new FragmentListener()
{
public boolean notify( CommandFragment fragment )
{
return peekFragment( fragment );
}
} );
operationManager_.setNextFragmentListener(
new FragmentListener()
{
public boolean notify( CommandFragment fragment )
{
return nextFragment( fragment );
}
} );
operationManager_.setUndoFragmentListener(
new FragmentListener()
{
public boolean notify( CommandFragment fragment )
{
return undoFragment( fragment );
}
} );
}
protected CommandManager getOperationManager()
{
return operationManager_;
}
/**
* The CommandFragmentEngine calls this method when it is peeking forward
* in the fragments. When peeking forward the command stack state in the
* engine is not changes.
*
*
* @param fragment the fragment that it is peeking at.
* @return Indicates whether peeking should stop or not.
*/
protected boolean peekFragment( CommandFragment fragment )
{
return true;
}
/**
* The CommandFragmentEngine calls this method when it is moving forward
* in the fragments. When moving forward the command stack state is saved
* at each fragment is traversed.
*
* @param fragment the fragment that is being traversed.
* @return indicates if the forward traversal should continue.
*/
protected boolean nextFragment( CommandFragment fragment )
{
return true;
}
/**
* This method is called for each fragment when the command engine is unwinding
* its stack during an undo operation.
*
* @param fragment the fragment being undone.
* @return returns true if the undo process should continue.
*/
protected boolean undoFragment( CommandFragment fragment )
{
return true;
}
}
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