com.izforge.izpack.installer.container.provider.PanelsProvider Maven / Gradle / Ivy
/*
* IzPack - Copyright 2001-2012 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* 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.provider;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.picocontainer.injectors.Provider;
import com.izforge.izpack.api.data.InstallData;
import com.izforge.izpack.api.data.Panel;
import com.izforge.izpack.api.exception.IzPackException;
import com.izforge.izpack.installer.panel.Panels;
import com.izforge.izpack.util.PlatformModelMatcher;
/**
* Base class for {@link Panels} providers.
*
* @author Tim Anderson
*/
public abstract class PanelsProvider implements Provider
{
/**
* Prepares panels for the current platform.
*
*
* @param installData the installation data
* @param matcher The platform-model matcher
* @return the panels for the current platform
* @throws IzPackException if a panel doesn't have unique identifier
*/
protected List prepare(InstallData installData, PlatformModelMatcher matcher)
{
List result = new ArrayList();
Set ids = new HashSet();
for (Panel panel : installData.getPanelsOrder())
{
if (matcher.matchesCurrentPlatform(panel.getOsConstraints()))
{
String panelId = panel.getPanelId();
String key = (panelId != null) ? panelId : panel.getClassName();
if (!ids.add(key))
{
throw new IzPackException("Duplicate panel: " + key);
}
result.add(panel);
}
}
return result;
}
}