1 /*

     2 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 package com.nokia.helium.sysdef.ant.taskdefs;

    18 

    19 import java.io.File;

    20 

    21 import org.apache.tools.ant.BuildException;

    22 import org.apache.tools.ant.Project;

    23 

    24 import com.nokia.helium.core.FileUtils;

    25 

    26 /**

    27  * Utility class to access the system definition tools.

    28  *

    29  */

    30 public final class SysdefUtils {

    31     public static final String SYSDEF_HOME_PROPERTY_NAME = "sysdef.tools.home";

    32     private static final String ASSET_PATH = "sf/os/buildtools/bldsystemtools/sysdeftools";

    33     

    34     private SysdefUtils() {        

    35     }

    36     

    37     /**

    38      * Get the location of the the system definitions tools.

    39      * Use the SYSDEF_HOME_PROPERTY_NAME if it is defined.

    40      * Else it tries to search the joinsysdef script on the path,

    41      * and finally falls back on the ASSET_PATH location.

    42      * @param project the current Ant project.

    43      * @param epocroot the epocroot location.

    44      * @return a directory represented by a File object.

    45      */

    46     public static File getSysdefHome(Project project, File epocroot) {

    47         if (project.getProperty(SYSDEF_HOME_PROPERTY_NAME) != null) {

    48             File dir = new File(project.getProperty(SYSDEF_HOME_PROPERTY_NAME)).getAbsoluteFile();

    49             if (dir.exists() && dir.isDirectory()) {

    50                 return dir;

    51             } else {

    52                 throw new BuildException("The " + SYSDEF_HOME_PROPERTY_NAME +

    53                         " property refers to an invalid directory: " + dir);

    54             }

    55         } else {

    56             File dir = FileUtils.findExecutableOnPath("joinsysdef");

    57             if (dir != null) {

    58                 return dir.getParentFile();

    59             }

    60             // last resorts the asset location...

    61             dir = new File(epocroot, ASSET_PATH);

    62             if (!dir.exists() || !dir.isDirectory()) {

    63                 throw new BuildException("Could not find system definition tools home.");

    64             }

    65             return dir;

    66         }

    67     }

    68     

    69 }