/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2004 Klaus Bartz
*
* 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 com.izforge.izpack.event;
import com.coi.tools.os.win.NativeLibException;
import com.izforge.izpack.util.AbstractUIProgressHandler;
import com.izforge.izpack.util.TargetFactory;
import com.izforge.izpack.util.os.RegistryHandler;
import com.izforge.izpack.util.os.WrappedNativeLibException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.util.List;
/**
* Uninstaller custom action for handling registry entries. The needed configuration data are
* written at installation time from the corresponding installer custom action. An external
* definiton is not needed.
*
* @author Klaus Bartz
*/
public class RegistryUninstallerListener extends NativeUninstallerListener
{
/**
* Default constructor
*/
public RegistryUninstallerListener()
{
super();
}
/*
* (non-Javadoc)
*
* @see com.izforge.izpack.uninstaller.UninstallerListener#afterDeletion(java.util.List,
* com.izforge.izpack.util.AbstractUIProgressHandler)
*/
public void beforeDeletion(List files, AbstractUIProgressHandler handler) throws Exception
{
// Load the defined actions.
InputStream in = getClass().getResourceAsStream("/registryEntries");
if (in == null)
{ // No actions, nothing todo.
return;
}
ObjectInputStream objIn = new ObjectInputStream(in);
List allActions = (List) objIn.readObject();
objIn.close();
in.close();
if (allActions == null || allActions.size() < 1)
{
return;
}
try
{
RegistryHandler registryHandler = initializeRegistryHandler();
if (registryHandler == null)
{
return;
}
registryHandler.activateLogging();
registryHandler.setLoggingInfo(allActions);
registryHandler.rewind();
}
catch (Exception e)
{
if (e instanceof NativeLibException)
{
throw new WrappedNativeLibException(e);
}
else
{
throw e;
}
}
}
private RegistryHandler initializeRegistryHandler() throws Exception
{
RegistryHandler registryHandler = null;
try
{
registryHandler = (RegistryHandler) (TargetFactory.getInstance()
.makeObject("com.izforge.izpack.util.os.RegistryHandler"));
}
catch (Throwable exception)
{
exception.printStackTrace();
registryHandler = null; // Do nothing, do not set permissions ...
}
if (registryHandler != null && (!registryHandler.good() || !registryHandler.doPerform()))
{
System.out.println("initializeRegistryHandler is Bad " + registryHandler.good()
+ registryHandler.doPerform());
registryHandler = null;
}
return (registryHandler);
}
}