com.izforge.izpack.installer.container.impl.CustomDataLoader Maven / Gradle / Ivy
/*
* IzPack - Copyright 2001-2012 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2010 Anthonin Bonnefoy
* Copyright 2012 Tim Anderson
*
* 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.installer.container.impl;
import java.util.List;
import com.izforge.izpack.api.event.InstallerListener;
import com.izforge.izpack.api.exception.IzPackException;
import com.izforge.izpack.api.factory.ObjectFactory;
import com.izforge.izpack.api.resource.Resources;
import com.izforge.izpack.data.CustomData;
import com.izforge.izpack.installer.data.UninstallData;
import com.izforge.izpack.installer.event.InstallerListeners;
import com.izforge.izpack.util.PlatformModelMatcher;
/**
* Reads the customData resource in order to populate the {@link InstallerListeners} and {@link UninstallData}.
*
* @author Anthonin Bonnefoy
* @author Tim Anderson
*/
public class CustomDataLoader
{
/**
* The platform matcher.
*/
private final PlatformModelMatcher matcher;
/**
* The resources.
*/
private final Resources resources;
/**
* The object factory.
*/
private final ObjectFactory factory;
/**
* The uninstallation data.
*/
private final UninstallData uninstallData;
/**
* The installer listeners.
*/
private final InstallerListeners listeners;
/**
* Constructs a {@code CustomDataLoader}.
*
* @param matcher the platform matcher
* @param resources the resources
* @param factory the factory for listeners
* @param uninstallData the uninstallation data
* @param listeners the installer listeners
*/
public CustomDataLoader(PlatformModelMatcher matcher, Resources resources, ObjectFactory factory,
UninstallData uninstallData,
InstallerListeners listeners)
{
this.matcher = matcher;
this.resources = resources;
this.factory = factory;
this.uninstallData = uninstallData;
this.listeners = listeners;
}
/**
* Loads custom data.
*
* This includes:
*
* - installer listeners
* - uninstaller listeners
* - uninstaller jars
* - uninstaller native libraries
*
* The {@link InstallerListener#afterInstallerInitialization} method will be invoked for each installer listener.
*
* @throws IzPackException if an {@link InstallerListener} throws an exception
*/
@SuppressWarnings("unchecked")
public void loadCustomData()
{
List customData = (List) resources.getObject("customData");
for (CustomData data : customData)
{
if (matcher.matchesCurrentPlatform(data.osConstraints))
{
switch (data.type)
{
case CustomData.INSTALLER_LISTENER:
addInstallerListener(data.listenerName);
break;
case CustomData.UNINSTALLER_LISTENER:
uninstallData.addUninstallerListener(data);
break;
case CustomData.UNINSTALLER_JAR:
uninstallData.addJar(data);
break;
case CustomData.UNINSTALLER_LIB:
uninstallData.addNativeLibrary(data.contents.get(0));
break;
}
}
}
listeners.initialise();
}
/**
* Adds an installer listener.
*
* @param className the listener class name
*/
@SuppressWarnings("unchecked")
private void addInstallerListener(String className)
{
InstallerListener listener = factory.create(className, InstallerListener.class);
listeners.add(listener);
}
}