com.izforge.izpack.panels.path.PathInputConsolePanel Maven / Gradle / Ivy
/*
* Copyright 2016 Julien Ponge, René Krell and the IzPack team.
*
* 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.path;
import com.izforge.izpack.api.data.InstallData;
import com.izforge.izpack.api.handler.Prompt;
import com.izforge.izpack.api.resource.Messages;
import com.izforge.izpack.installer.console.AbstractConsolePanel;
import com.izforge.izpack.installer.console.ConsolePanel;
import com.izforge.izpack.installer.panel.PanelView;
import com.izforge.izpack.util.Console;
import java.io.File;
import java.util.Properties;
import static com.izforge.izpack.api.handler.Prompt.Option.OK;
import static com.izforge.izpack.api.handler.Prompt.Options.OK_CANCEL;
import static com.izforge.izpack.api.handler.Prompt.Type.WARNING;
public class PathInputConsolePanel extends AbstractConsolePanel
{
private final Prompt prompt;
private InstallData installData;
/**
* Constructs an {@code PathInputConsolePanel}.
*
* @param panel the parent panel/view. May be {@code null}
* @param installData the install data
* @param prompt the console prompt
*/
public PathInputConsolePanel(PanelView panel, InstallData installData, Prompt prompt)
{
super(panel);
this.installData = installData;
this.prompt = prompt;
}
@Override
public boolean run(InstallData installData, Properties properties)
{
this.installData = installData;
return false;
}
/**
* Determines if the specified directory can be created.
*
* @param dir the directory
* @return {@code true} if the directory may be created, otherwise {@code false}
*/
protected boolean checkCreateDirectory(File dir, Console console)
{
boolean result = true;
// if 'ShowCreateDirectoryMessage' configuration option set 'false' then don't show
// then don't show "directory will be created" dialog:
String show = getPanel().getConfigurationOptionValue(PathInputBase.SHOWCREATEDIRECTORYMESSAGE, installData.getRules());
if (show == null || Boolean.getBoolean(show))
{
Messages messages = installData.getMessages();
result = (OK == prompt.confirm(WARNING,
messages.get("installer.Message"),
messages.get("TargetPanel.createdir") + "\n" + dir,
OK_CANCEL, OK));
}
return result;
}
/**
* Determines if an existing directory can be written to.
*
* @param dir the directory
* @return {@code true} if the directory can be written to, otherwise {@code false}
*/
protected boolean checkOverwrite(File dir, Console console)
{
boolean result = true;
// if 'ShowExistingDirectoryWarning' configuration option set 'false' then don't show
// "The directory already exists! Are you sure you want to install here and possibly overwrite existing files?"
// warning dialog:
String show = getPanel().getConfigurationOptionValue(PathInputBase.SHOWEXISTINGDIRECTORYWARNING, installData.getRules());
if ((show == null || Boolean.getBoolean(show)) && dir.isDirectory() && dir.list().length > 0)
{
Messages messages = installData.getMessages();
result = askUser(messages.get("installer.warning"), messages.get("TargetPanel.warn"), Prompt.Option.NO);
}
return result;
}
/**
* Helper method to read the input of user
* Method returns true if user types "y", "yes" or ·
*
* @return boolean - true if condition above satisfied. Otherwise false
*/
private boolean askUser(String title, String message, Prompt.Option defaultOption)
{
return Prompt.Option.YES == prompt.confirm(Prompt.Type.QUESTION, title, message, Prompt.Options.YES_NO, defaultOption);
}
}