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/*
 * IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
 *
 * http://izpack.org/
 * http://izpack.codehaus.org/
 *
 * Copyright 2002 Elmar Grom
 *
 * 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.util.os;

import com.izforge.izpack.installer.data.UninstallData;

import java.io.UnsupportedEncodingException;
import java.util.List;

/*---------------------------------------------------------------------------*/

/**
 * This class represents a shortcut in a operating system independent way. OS specific subclasses
 * are used to implement the necessary mapping from this generic API to the classes that reflect the
 * system dependent AIP.
 *
 * @author Elmar Grom
 * @version 0.0.1 / 3/4/02
 * @see com.izforge.izpack.util.TargetFactory
 */
public abstract class Shortcut
{

    // ------------------------------------------------------------------------
    // Constant Definitions
    // ------------------------------------------------------------------------
    /**
     * APPLICATIONS = 1
     */
    public static final int APPLICATIONS = 1;

    /**
     * START_MENU = 2
     */
    public static final int START_MENU = 2;

    /**
     * DESKTOP = 3
     */
    public static final int DESKTOP = 3;

    /**
     * START_UP = 4
     */
    public static final int START_UP = 4;

    /**
     * HIDE = 0 (Hide the window when starting.)
     */
    public static final int HIDE = 0;

    /**
     * NORMAL = 1 Show the window 'normal' when starting. Usually restores the window properties at
     * the last shut-down.
     */
    public static final int NORMAL = 1;

    /**
     * MINIMIZED = 2
     */
    public static final int MINIMIZED = 2;

    /**
     * MAXIMIZED = 3 (Show the window maximized when starting.)
     */
    public static final int MAXIMIZED = 3;

    /**
     * CURRENT_USER = 1 (identifies the user type as the current user)
     */
    public static final int CURRENT_USER = 1;

    /**
     * ALL_USERS = 2 (identifies the user type as valid for all users)
     */
    public static final int ALL_USERS = 2;

    /**
     * indicates that this shortcut should be created for all users or only me *
     */
    private Boolean createForAll;

    /**
     * internal field UninstallData uninstaller
     */
    protected UninstallData uninstaller;

    /*--------------------------------------------------------------------------*/

    /**
     * This method initializes the object. It is used as a replacement for the contructor because of
     * the way it is instantiated through the TargetFactory.
     *
     * @param type the type or classification of the program group in which the link should exist.
     * @param name the name of the shortcut.
     */
    public abstract void initialize(int type, String name) throws Exception;

    /*--------------------------------------------------------------------------*/

    /**
     * Returns the base path of the shortcut depending on type. The base path is the directory that
     * the short cut, (or its program group) will be created in. For instance, on Windows NT, a
     * shortcut with user-type ALL_USERS, and link-type DESKTOP might have the base path
     * "C:\Program Files\All Users\Desktop"
     *
     * @see #setLinkType(int)
     * @see #setUserType(int)
     */
    public String getBasePath() throws Exception
    {
        return ("");
    }

    /*--------------------------------------------------------------------------*/

    /**
     * Returns a list of currently existing program groups, based on the requested type. For example
     * if the type is APPLICATIONS then all the names of the program groups in the
     * Start Menu\Programs menu would be returned.
     *
     * @param userType the type of user for the program group set.
     * @return a Vector of String objects that represent the names of the
     * existing program groups. It is theoretically possible that this list is empty.
     * @see #APPLICATIONS
     * @see #START_MENU
     */
    public abstract List getProgramGroups(int userType);

    /*--------------------------------------------------------------------------*/

    /**
     * Subclass implementations return the fully qualified file name under which the link is saved
     * on disk. Note: this method returns valid results only if the instance was created from
     * a file on disk or after a successful save operation. An instance of this class returns an
     * empty string.
     *
     * @return an empty String
     */
    public abstract String getFileName();

    /*--------------------------------------------------------------------------*/

    /**
     * Returns true if the target OS supports current user and all users.
     *
     * @return true if the target OS supports current and all users.
     */
    public abstract boolean multipleUsers();

    /*--------------------------------------------------------------------------*/

    /**
     * Determines if a specific instance of this class supports the creation of shortcuts. The use
     * of this method might seem odd, since one would not implement a flavor of this class that does
     * not actually support the creation of shortcuts. In other words all flavors will in all
     * probability return true. The only version that can be expected to return false is this class
     * itself, since it has no actual implementation for shortcut creation. This is left to OS
     * specific flavors. If the installer is launched on a unsupported OS there will be no
     * appropriate flavor of this class, which will cause this class itself to be instantiated. The
     * client code can now determine by calling this method if the active OS is supported and take
     * appropriate action.
     *
     * @return true if the creation of shortcuts is supported, false if
     * this is not supported.
     */
    public abstract boolean supported();

    /*--------------------------------------------------------------------------*/

    /**
     * Sets the command line arguments that will be passed to the target when the link is activated.
     *
     * @param arguments the command line arguments
     */
    public abstract void setArguments(String arguments);

    /*--------------------------------------------------------------------------*/

    /**
     * Sets the description string that is used to identify the link in a menu or on the desktop.
     *
     * @param description the descriptiojn string
     */
    public abstract void setDescription(String description);

    /*--------------------------------------------------------------------------*/

    /**
     * Sets the path of the shortcut icon that will be shown on the desktop.
     *
     * @param path a fully qualified file name of a file that contains the icon.
     * @param index the index of the specific icon to use in the file. If there is only one icon in
     * the file, use an index of 0.
     */
    public abstract void setIconLocation(String path, int index);

    /*--------------------------------------------------------------------------*/

    /**
     * Returns the path of the shortcut icon that will be shown on the desktop.
     *
     * @return icon path
     */
    public abstract String getIconLocation();

    /*--------------------------------------------------------------------------*/

    /**
     * Sets the name of the program group this ShellLinbk should be placed in.
     *
     * @param groupName the name of the program group
     */
    public abstract void setProgramGroup(String groupName);

    /*--------------------------------------------------------------------------*/

    /**
     * Sets the show command that is passed to the target application when the link is activated.
     * The show command determines if the the window will be restored to the previous size,
     * minimized, maximized or visible at all. 
*
* Note:
* Using HIDE will cause the target window not to show at all. There is not even a * button on the taskbar. This is a very useful setting when batch files are used to launch a * Java application as it will then appear to run just like any native Windows application.
* * @param show the show command. Valid settings are:
*
    *
  • {@link com.izforge.izpack.util.os.Shortcut#HIDE} *
  • {@link com.izforge.izpack.util.os.Shortcut#NORMAL} *
  • {@link com.izforge.izpack.util.os.Shortcut#MINIMIZED} *
  • {@link com.izforge.izpack.util.os.Shortcut#MAXIMIZED} *
* @see #getShowCommand */ public abstract void setShowCommand(int show); /* * retrieves showCommand from the OS. Translates it into Shortcut.XXX terms. */ public int getShowCommand() { return Shortcut.NORMAL; } /*--------------------------------------------------------------------------*/ /** * Sets the absolute path to the shortcut target. * * @param path the fully qualified file name of the target */ public abstract void setTargetPath(String path); /*--------------------------------------------------------------------------*/ /** * Sets the working directory for the link target. * * @param dir the working directory */ public abstract void setWorkingDirectory(String dir); /*--------------------------------------------------------------------------*/ /** * Gets the working directory for the link target. * * @return the working directory. */ public String getWorkingDirectory() { return ""; } /*--------------------------------------------------------------------------*/ /** * Sets the name shown in a menu or on the desktop for the link. * * @param name The name that the link should display on a menu or on the desktop. Do not include * a file extension. */ public abstract void setLinkName(String name); /*--------------------------------------------------------------------------*/ /** * Gets the type of link types are:
*
    *
  • {@link com.izforge.izpack.util.os.Shortcut#DESKTOP} *
  • {@link com.izforge.izpack.util.os.Shortcut#APPLICATIONS} *
  • {@link com.izforge.izpack.util.os.Shortcut#START_MENU} *
  • {@link com.izforge.izpack.util.os.Shortcut#START_UP} *
*/ public abstract int getLinkType(); /*--------------------------------------------------------------------------*/ /** * Sets the type of link * * @param type The type of link desired. The following values can be set:
*
    *
  • {@link com.izforge.izpack.util.os.Shortcut#DESKTOP} *
  • {@link com.izforge.izpack.util.os.Shortcut#APPLICATIONS} *
  • {@link com.izforge.izpack.util.os.Shortcut#START_MENU} *
  • {@link com.izforge.izpack.util.os.Shortcut#START_UP} *
* @throws IllegalArgumentException if an an invalid type is passed * @throws UnsupportedEncodingException */ public abstract void setLinkType(int type) throws IllegalArgumentException, UnsupportedEncodingException; /*--------------------------------------------------------------------------*/ /** * Sets the user type for the link * * @param type the type of user for the link. * @see #CURRENT_USER * @see #ALL_USERS */ public abstract void setUserType(int type); /*--------------------------------------------------------------------------*/ /** * Gets the user type for the link * * @return userType * @see #CURRENT_USER * @see #ALL_USERS */ public abstract int getUserType(); /** * Determines if the shortcut target should be run with administrator privileges. * * @param runAsAdministrator if {@code true}, run the target with administrator privileges. */ public void setRunAsAdministrator(boolean runAsAdministrator) { } /** * Determines if the shortcut target should be run with administrator privileges. * * @return {@code true}, if the target will run with administrator privileges */ public boolean getRunAsAdministrator() { return false; } /*--------------------------------------------------------------------------*/ /** * Saves this link. * * @throws Exception if problems are encountered */ public abstract void save() throws Exception; /*--------------------------------------------------------------------------*/ /** * Gets the link hotKey * * @return int hotKey */ public int getHotkey() { return 0; } /*--------------------------------------------------------------------------*/ /** * Sets the link hotKey * * @param hotkey */ public void setHotkey(int hotkey) { } /** * Sets the Encoding * * @param string */ public void setEncoding(String string) { } /** * This sets the Mimetype * * @param string */ public void setMimetype(String string) { } /** * Sets the terminal * * @param string */ public void setTerminal(String string) { } /** * This sets the terminals-options * * @param string */ public void setTerminalOptions(String string) { } /** * This sets the shortcut type * * @param string */ public void setType(String string) { } /** * This sets the KdeUserName * * @param string The UserName */ public void setKdeUserName(String string) { } /** * This sets the setKdeSubstUID * * @param string exactly "true" or "false" or nothing */ public void setKdeSubstUID(String string) { } /** * This sets the URL * * @param string */ public void setURL(String string) { } /** * Gets the Programs Folder for the given User. This is where to create subfolders or to place * or create shortcuts. * * @param current_user one of current or all * @return The Foldername or null on unsupported platforms. */ public abstract String getProgramsFolder(int current_user); /** * Sets the flag which indicates, that this should created for all. * * @param aCreateForAll A Flag - Set to true, if to create for All. */ public void setCreateForAll(Boolean aCreateForAll) { this.createForAll = aCreateForAll; } /** * Gets the create for All Flag * * @return Returns True if this should be for all. */ public Boolean getCreateForAll() { return createForAll; } /** * Sets the Categories Field On Unixes * * @param theCategories the categories */ public void setCategories(String theCategories) { } /** * Sets the TryExecField on Unixes. * * @param aTryExec the try exec command */ public void setTryExec(String aTryExec) { } /** * Sets the Uninstaller field with the unique Uninstaller Instance. * * @param theUninstaller the unique instance */ public void setUninstaller(UninstallData theUninstaller) { uninstaller = theUninstaller; } /** * Dummy Method especially for the Unix Root User. */ public void execPostAction() { // Debug.log("Call of unused execPostAction Method in " + this.getClass().getName() ); } /** * Clean Up Method to do some cleanups after Shortcut Creation.
* currently unused. */ public void cleanUp() { // Debug.log("Call of unused cleanUp Method in " + this.getClass().getName() ); } } /*---------------------------------------------------------------------------*/




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