com.izforge.izpack.rules.PackselectionCondition Maven / Gradle / Ivy
/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2007 Dennis Reil
*
* 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.rules;
import com.izforge.izpack.Pack;
import com.izforge.izpack.util.Debug;
import net.n3.nanoxml.XMLElement;
import java.util.List;
import java.util.Properties;
/**
* @author Dennis Reil,
* @version $Id: PackselectionCondition.java,v 1.1 2006/11/03 13:03:26 dennis Exp $
*/
public class PackselectionCondition extends Condition
{
/**
*
*/
private static final long serialVersionUID = 9193011814966195963L;
protected String packid;
/**
*
*/
public PackselectionCondition()
{
// TODO Auto-generated constructor stub
}
/*
* (non-Javadoc)
*
* @see de.reddot.installer.rules.Condition#isTrue(java.util.Properties)
*/
private boolean isTrue(Properties variables)
{
// no information about selected packs given, so return false
return false;
}
/*
* (non-Javadoc)
*
* @see de.reddot.installer.rules.Condition#readFromXML(net.n3.nanoxml.XMLElement)
*/
public void readFromXML(XMLElement xmlcondition)
{
try
{
this.packid = xmlcondition.getFirstChildNamed("packid").getContent();
}
catch (Exception e)
{
Debug.log("missing element in ");
}
}
private boolean isTrue(Properties variables, List selectedpacks)
{
if (selectedpacks != null)
{
for (Object selectedpack : selectedpacks)
{
Pack p = (Pack) selectedpack;
if (packid.equals(p.id))
{
// pack is selected
return true;
}
}
}
// pack is not selected
return false;
}
public boolean isTrue()
{
return this.isTrue(this.installdata.getVariables(), this.installdata.selectedPacks);
}
/* (non-Javadoc)
* @see com.izforge.izpack.rules.Condition#getDependenciesDetails()
*/
public String getDependenciesDetails()
{
StringBuffer details = new StringBuffer();
details.append(this.id);
details.append("depends on the selection of pack ");
details.append(this.packid);
details.append("
");
return details.toString();
}
}