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/*
* IzPack - Copyright 2001-2013 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2012-2013 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.console;
import com.izforge.izpack.api.adaptator.IXMLElement;
import com.izforge.izpack.api.data.InstallData;
import com.izforge.izpack.api.data.Panel;
import com.izforge.izpack.api.exception.UserInterruptException;
import com.izforge.izpack.api.resource.Messages;
import com.izforge.izpack.installer.panel.PanelView;
import com.izforge.izpack.installer.util.PanelHelper;
import com.izforge.izpack.util.Console;
import com.izforge.izpack.api.config.Options;
import java.util.ArrayList;
import java.util.List;
/**
* Abstract implementation of the {@link ConsolePanel} interface.
*
* @author Tim Anderson
*/
public abstract class AbstractConsolePanel implements ConsolePanel
{
/**
* The the parent panel/view. May be {@code null}
*/
private final PanelView panel;
/**
* Constructs an {@code AbstractConsolePanel}.
*
* @param panel the parent panel/view. May be {@code null}
*/
public AbstractConsolePanel(PanelView panel)
{
this.panel = panel;
}
@Override
public boolean generateOptions(InstallData installData, Options options)
{
return true;
}
/**
* Prompts to end the console panel.
*
* If the panel is valid, this displays a prompt to continue, quit, or redisplay. On redisplay,
* it invokes {@link #run(InstallData, Console)}.
* If the panel is invalid, this invokes {@link #promptRerunPanel(InstallData, Console)}.
*
* @param installData the installation date
* @param console the console to use
* @return {@code true} to continue, {@code false} to quit. If redisplaying the panel, the result of
* {@link #run(InstallData, Console)} is returned
*/
protected boolean promptEndPanel(InstallData installData, Console console)
{
boolean result;
final Messages messages = installData.getMessages();
String prompt = messages.get("ConsoleInstaller.continueQuitRedisplay");
console.println();
int value = console.prompt(prompt, 1, 3, 2);
switch (value)
{
case 1:
result = true;
break;
case 2:
throw new UserInterruptException(messages.get("ConsoleInstaller.aborted.PressedQuit"));
default:
result = run(installData, console);
break;
}
return result;
}
/**
* Prompts to re-run the panel or quit.
*
* This displays a prompt to redisplay the panel or quit. On redisplay, it invokes
* {@link #run(InstallData, Console)}.
*
* @param installData the installation date
* @param console the console to use
* @return {@code true} to re-display, {@code false} to quit. If redisplaying the panel, the result of
* {@link #run(InstallData, Console)} is returned
*/
protected boolean promptRerunPanel(InstallData installData, Console console)
{
boolean result;
final Messages messages = installData.getMessages();
String prompt = messages.get("ConsoleInstaller.redisplayQuit");
console.println();
int value = console.prompt(prompt, 1, 2, 2);
switch (value)
{
case 2:
throw new UserInterruptException(messages.get("ConsoleInstaller.aborted.PressedQuit"));
default:
result = run(installData, console);
break;
}
return result;
}
/**
* Returns the panel.
*
* @return the panel, or {@code null} if no panel/view was supplied at construction
*/
protected Panel getPanel()
{
return (panel != null) ? panel.getPanel() : null;
}
@Override
public void createInstallationRecord(IXMLElement rootElement)
{
// Default method, override to record panel contents
}
@Override
public boolean run(InstallData installData, Console console)
{
printHeadLine(installData, console);
return true;
}
protected void printHeadLine(InstallData installData, Console console)
{
final String headline = getI18nStringForClass("headline", installData);
if (headline != null)
{
console.println();
console.printFilledLine('\u2500');
console.println(headline);
console.printFilledLine('\u2500');
console.println();
}
}
@Override
public boolean handlePanelValidationResult(boolean valid)
{
// Do nothing by default - to be overwritten in console panel implementations if necessary
return valid;
}
/**
* Search for a proper translation key belonging to the panel implementation.
*
* @param subkey the subkey for the string which should be returned
* @return the founded string
*/
public String getI18nStringForClass(String subkey, InstallData installData)
{
return getI18nStringForClass(subkey, null, installData);
}
/**
* Search for a proper translation key belonging to the panel implementation.
*
* @param subkey the subkey for the string which should be returned
* @param alternateClass the short name of the class which should be used if no string is
* present with the runtime class name
* @return the founded string
*/
public String getI18nStringForClass(String subkey, String alternateClass, InstallData installData)
{
String retval = null;
List prefixes = new ArrayList();
Panel panel = getPanel();
String panelId = null;
if (panel != null)
{
panelId = getPanel().getPanelId();
}
Class clazz = PanelHelper.getIzPanel(this.getClass().getName());
String fullClassname = alternateClass==null?clazz.getName():alternateClass;
String simpleClassname = alternateClass==null?clazz.getSimpleName():alternateClass;
do
{
if (panelId != null)
{
prefixes.add(fullClassname + "." + panelId);
prefixes.add(simpleClassname + "." + panelId);
}
prefixes.add(fullClassname);
prefixes.add(simpleClassname);
clazz = clazz.getSuperclass();
if (clazz != null)
{
fullClassname = clazz.getName();
simpleClassname = clazz.getSimpleName();
}
} while ((alternateClass == null && !(clazz == null || clazz.equals(AbstractConsolePanel.class))));
if (panelId != null)
{
prefixes.add(2, panelId);
}
for (String prefix : prefixes)
{
String searchkey = prefix + "." + subkey;
if (installData.getMessages().getMessages().containsKey(searchkey))
{
retval = installData.getMessages().get(searchkey);
}
if (retval != null)
{
break;
}
}
if (retval != null && retval.indexOf('$') > -1)
{
retval = installData.getVariables().replace(retval);
}
return (retval);
}
}
