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Datei: ConsoleInstall.java Sprache: JAVA

Original von: Isabelle^©

/*
* ConsoleInstall.java
*
* Originally written by Slava Pestov for the jEdit installer project. This work
* has been placed into the public domain. You may use this work in any way and
* for any purpose you wish.
*
* THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND, NOT EVEN THE
* IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR OF THIS SOFTWARE, ASSUMES
* _NO_ RESPONSIBILITY FOR ANY CONSEQUENCE RESULTING FROM THE USE, MODIFICATION,
* OR REDISTRIBUTION OF THIS SOFTWARE.
*/

package installer;

import java.io.*;
import java.util.Vector;

/*
* Performs text-only installation.
*/
public class ConsoleInstall
{
public ConsoleInstall()
{
  installer = new Install();

  String appName = installer.getProperty("app.name");
  String appVersion = installer.getProperty("app.version");

  BufferedReader in = new BufferedReader(new InputStreamReader(
   System.in));

  System.out.println("*** " + appName + " " + appVersion + " installer");

  OperatingSystem os = OperatingSystem.getOperatingSystem();

  String installDir = os.getInstallDirectory(appName,appVersion);

  System.out.print("Installation directory: [" + installDir + "] ");
  System.out.flush();

  String _installDir = readLine(in);
  if(_installDir.length() != 0)
   installDir = _installDir;
  else
   System.out.println("Will use default");

  OperatingSystem.OSTask[] osTasks = os.getOSTasks(installer);

  for(int i = 0; i < osTasks.length; i++)
  {
   OperatingSystem.OSTask osTask = osTasks[i];
   String label = osTask.getLabel();
   // label == null means no configurable options
   if(label != null)
   {
    String dir = osTask.getDirectory();
    System.out.print(label + " [" + dir + "] ");
    System.out.flush();

    dir = readLine(in);
    osTask.setEnabled(true);
    if(dir.length() != 0)
    {
     if(dir.equals("off"))
      osTask.setEnabled(false);
     else
      osTask.setDirectory(dir);
    }
    else
     System.out.println("will use default");
   }
  }

  int compCount = installer.getIntegerProperty("comp.count");
  Vector components = new Vector(compCount);

  System.out.println("*** Program components to install");
  for(int i = 0; i < compCount; i++)
  {
   String fileset = installer.getProperty("comp." + i + ".fileset");

   String osDep = installer.getProperty("comp." + i + ".os");
   if(osDep != null)
   {
    if(!os.getClass().getName().endsWith(osDep))
    {
     continue;
    }
   }

   System.out.print("Install "
    + installer.getProperty("comp." + i + ".name")
    + " ("
    + installer.getProperty("comp." + i + ".disk-size")
    + "Kb) [Y/n]? ");

   String line = readLine(in);
   if(line.length() == 0 || line.charAt(0) == 'y'
    || line.charAt(0) == 'Y')
    components.addElement(fileset);
  }

  System.out.println("*** Starting installation...");
  ConsoleProgress progress = new ConsoleProgress();
  InstallThread thread = new InstallThread(
   installer,progress,installDir,osTasks,
   0 /* XXX */,components);
  thread.start();
}

// private members
private Install installer;

private String readLine(BufferedReader in)
{
  try
  {
   String line = in.readLine();
   if(line == null)
   {
    System.err.println("\nEOF in input!");
    System.exit(1);
    // can't happen
    throw new InternalError();
   }
   return line;
  }
  catch(IOException io)
  {
   System.err.println("\nI/O error: " + io);
   System.exit(1);
   // can't happen
   throw new InternalError();
  }
}
}

¤ Dauer der Verarbeitung: 0.17 Sekunden (vorverarbeitet) ¤

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