com.izforge.izpack.installer
Class Unpacker

java.lang.Object
  java.lang.Thread
      com.izforge.izpack.installer.Unpacker

All Implemented Interfaces:

java.lang.Runnable

public class Unpacker

extends java.lang.Thread

Unpacker class.

Author:

Julien Ponge, Johannes Lehtinen

Field Summary

private java.io.File	absolute_installpath The absolute path of the installation.
private AbstractUIProgressHandler	handler The installer listener.
private AutomatedInstallData	idata The installdata.
private static java.util.ArrayList	instances The instances of the unpacker objects.
private static java.lang.String	LANG_FILE_NAME The name of the XML file that specifies the panel langpack
private LocaleDatabase	langpack The packs locale database.
private UninstallData	udata The uninstallation data.
private VariableSubstitutor	vs The variables substitutor.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Unpacker(AutomatedInstallData idata, AbstractUIProgressHandler handler)
The constructor.

Method Summary

private boolean	fileMatchesOnePattern(java.lang.String filename, java.util.ArrayList patterns)
private java.util.List[]	getCustomActions() Returns the defined custom actions split into types including a constructed type for the file related installer listeners.
private java.io.InputStream	getPackAsStream(int n) Returns a stream to a pack, location depending on if it's web based.
static java.util.ArrayList	getRunningInstances() Returns the active unpacker instances.
private void	handleAdditionalUninstallData(UninstallData udata, java.util.List[] customData) Adds additional unistall data to the uninstall data object.
private void	informListeners(java.util.List[] customActions, int action, java.lang.Object firstParam, java.lang.Object secondParam, java.lang.Object thirdParam) Informs all listeners which would be informed at the given action type.
private boolean	mkDirsWithEnhancement(java.io.File dest, PackFile pf, java.util.List[] customActions) Creates the given directory recursive and calls the method "afterDir" of each listener with the current file object and the pack file object.
private void	performUpdateChecks(java.util.ArrayList updatechecks)
private java.util.List	preparePatterns(java.util.ArrayList list, org.apache.regexp.RECompiler recompiler)
private void	putUninstaller() Puts the uninstaller.
void	run() The run method.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

idata

private AutomatedInstallData idata

The installdata.

handler

private AbstractUIProgressHandler handler

The installer listener.

udata

private UninstallData udata

The uninstallation data.

vs

private VariableSubstitutor vs

The variables substitutor.

instances

private static java.util.ArrayList instances

The instances of the unpacker objects.

absolute_installpath

private java.io.File absolute_installpath

The absolute path of the installation. (NOT the canonical!)

langpack

private LocaleDatabase langpack

The packs locale database.

LANG_FILE_NAME

private static final java.lang.String LANG_FILE_NAME

The name of the XML file that specifies the panel langpack

See Also:

Constant Field Values

Constructor Detail

Unpacker

public Unpacker(AutomatedInstallData idata,
                AbstractUIProgressHandler handler)

The constructor.

Parameters:

idata - The installation data.

handler - The installation progress handler.

Method Detail

getRunningInstances

public static java.util.ArrayList getRunningInstances()

Returns the active unpacker instances.

Returns:

The active unpacker instances.

run

public void run()

The run method.

performUpdateChecks

private void performUpdateChecks(java.util.ArrayList updatechecks)

Parameters:

updatechecks -

fileMatchesOnePattern

private boolean fileMatchesOnePattern(java.lang.String filename,
                                      java.util.ArrayList patterns)

Parameters:

filename -

patterns -

Returns:

true if the file matched one pattern, false if it did not

preparePatterns

private java.util.List preparePatterns(java.util.ArrayList list,
                                       org.apache.regexp.RECompiler recompiler)

Parameters:

list - A list of file name patterns (in ant fileset syntax)

recompiler - The regular expression compiler (used to speed up RE compiling).

Returns:

List of org.apache.regexp.RE

putUninstaller

private void putUninstaller()
                     throws java.lang.Exception

Puts the uninstaller.

Throws:

java.lang.Exception - Description of the Exception

getPackAsStream

private java.io.InputStream getPackAsStream(int n)
                                     throws java.lang.Exception

Returns a stream to a pack, location depending on if it's web based.

Parameters:

n - The pack number.

Returns:

The stream or null if it could not be found.

Throws:

java.lang.Exception - Description of the Exception

informListeners

private void informListeners(java.util.List[] customActions,
                             int action,
                             java.lang.Object firstParam,
                             java.lang.Object secondParam,
                             java.lang.Object thirdParam)
                      throws java.lang.Exception

Informs all listeners which would be informed at the given action type.

Parameters:

customActions - array of lists with the custom action objects

action - identifier for which callback should be called

firstParam - first parameter for the call

secondParam - second parameter for the call

thirdParam - third parameter for the call

Throws:

java.lang.Exception

getCustomActions

private java.util.List[] getCustomActions()

Returns the defined custom actions split into types including a constructed type for the file related installer listeners.

Returns:

array of lists of custom action data like listeners

handleAdditionalUninstallData

private void handleAdditionalUninstallData(UninstallData udata,
                                           java.util.List[] customData)

Adds additional unistall data to the uninstall data object.

Parameters:

udata - unistall data

mkDirsWithEnhancement

private boolean mkDirsWithEnhancement(java.io.File dest,
                                      PackFile pf,
                                      java.util.List[] customActions)
                               throws java.lang.Exception

Creates the given directory recursive and calls the method "afterDir" of each listener with the current file object and the pack file object. On error an exception is raised.

Parameters:

dest - the directory which should be created

pf - current pack file object

customActions - all defined custom actions

Returns:

false on error, true else

Throws:

java.lang.Exception