PacksPanelAutomationHelper.java

/*
 * IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
 * 
 * http://izpack.org/
 * http://izpack.codehaus.org/
 * 
 * Copyright 2003 Jonathan Halliday
 * 
 * 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.panels;

import com.izforge.izpack.Pack;
import com.izforge.izpack.installer.AutomatedInstallData;
import com.izforge.izpack.installer.PanelAutomation;
import com.izforge.izpack.adaptator.IXMLElement;
import com.izforge.izpack.adaptator.impl.XMLElementImpl;

import java.util.Iterator;
import java.util.Vector;

/**
 * Functions to support automated usage of the PacksPanel
 *
 * @author Jonathan Halliday
 * @author Julien Ponge
 */
public class PacksPanelAutomationHelper implements PanelAutomation
{

    /**
     * Asks to make the XML panel data.
     *
     * @param idata     The installation data.
     * @param panelRoot The XML tree to write the data in.
     */
    public void makeXMLData(AutomatedInstallData idata, IXMLElement panelRoot)
    {
        // We add each pack to the panelRoot element
        for (int i = 0; i < idata.availablePacks.size(); i++)
        {
            Pack pack = idata.availablePacks.get(i);
            IXMLElement el = new XMLElementImpl("pack",panelRoot);
            el.setAttribute("index", Integer.toString(i));
            el.setAttribute("name", pack.name);
            Boolean selected = idata.selectedPacks.contains(pack);
            el.setAttribute("selected", selected.toString());

            panelRoot.addChild(el);
        }
    }

    /**
     * Asks to run in the automated mode.
     *
     * @param idata     The installation data.
     * @param panelRoot The root of the panel data.
     * @return true if all packs were found and selected, false if something was wrong.
     */
    public boolean runAutomated(AutomatedInstallData idata, IXMLElement panelRoot)
    {
        // We get the packs markups
        Vector<IXMLElement> pm = panelRoot.getChildrenNamed("pack");

        boolean result = true;

        // We figure out the selected ones
        int size = pm.size();
        idata.selectedPacks.clear();
        for (int i = 0; i < size; i++)
        {
            IXMLElement el = pm.get(i);
            Boolean selected = Boolean.TRUE; // No longer needed.

            if (selected)
            {
                String index_str = el.getAttribute("index");

                // be liberal in what we accept
                // (For example, this allows auto-installer files to be fitted
                // to automatically generated installers, yes I need this! tschwarze.)
                if (index_str != null)
                {
                    try
                    {
                        int index = Integer.parseInt(index_str);
                        if ((index >= 0) && (index < idata.availablePacks.size()))
                        {
                            if (el.getAttribute("selected").equalsIgnoreCase("true") ||
                                    el.getAttribute("selected").equalsIgnoreCase("on"))
                            {
                                Pack pack = (Pack) idata.availablePacks.get(index);
                                if ((pack.id != null) && (!idata.getRules().canInstallPack(pack.id,idata.getVariables()))){
                                    System.out.println("Condition for pack " + pack.name + " not fulfilled. Skipping pack.");
                                    continue;
                                }
                                idata.selectedPacks.add(pack);
                            }
                        }
                        else
                        {
                            System.err.println("Invalid pack index \"" + index_str + "\" in line "
                                    + el.getLineNr());
                            result = false;
                        }
                    }
                    catch (NumberFormatException e)
                    {
                        System.err.println("Invalid pack index \"" + index_str + "\" in line "
                                + el.getLineNr());
                        result = false;
                    }
                }
                else
                {
                    String name = el.getAttribute("name");

                    if (name != null)
                    {
                        // search for pack with that name
                        Iterator pack_it = idata.availablePacks.iterator();

                        boolean found = false;

                        while ((!found) && pack_it.hasNext())
                        {
                            Pack pack = (Pack) pack_it.next();

                            if (pack.name.equals(name))
                            {                                           
                                idata.selectedPacks.add(pack);
                                found = true;
                            }

                        }

                        if (!found)
                        {
                            System.err.println("Could not find selected pack named \"" + name
                                    + "\" in line " + el.getLineNr());
                            result = false;
                        }

                    }

                }

            }

        }

        return result;
    }

}