--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javamanager/javainstaller/installer/src.s60/utils/fileroots.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,98 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  The JNI code for Java Installer component
+*                FileRoots.
+*
+*/
+
+
+#include <e32property.h>
+#include <f32file.h>
+#include <apgcli.h>
+#include <sysutil.h>
+#include <javauids.h>
+
+#include "com_nokia_mj_impl_installer_utils_FileRoots.h"
+#include "javacommonutils.h"
+#include "javaoslayer.h"
+#include "logger.h"
+
+
+/**
+ * In S60 5.0 and TB 9.1 OMJ is (usually) post installed to C: drive.
+ */
+const TInt KDefaultResourceDriveNumber = 2;
+
+/**
+ * UID of Java Installer
+ */
+const TUid KTUidJavaInstallerUid = { KJavaInstallerUid };
+
+
+/*
+ * Class:     com_nokia_mj_impl_installer_utils_FileRoots
+ * Method:    _getResourceDrive
+ * Signature: ()I
+ */
+JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_FileRoots__1getResourceDrive
+(JNIEnv *, jclass)
+{
+    TInt err;
+    RApaLsSession apaSession;
+
+    err = apaSession.Connect();
+    if (KErrNone != err)
+    {
+        ELOG(EJavaInstaller, "FileRoots__1getResourceDrive: Cannot connect to AppArc server");
+        return KDefaultResourceDriveNumber;
+    }
+
+    TApaAppInfo info;
+    err = apaSession.GetAppInfo(info, KTUidJavaInstallerUid);
+    if (err != KErrNone)
+    {
+        ELOG1(EJavaInstaller,
+              "FileRoots__1getResourceDrive: Cannot get full path name of installer, err %d ",
+              err);
+        apaSession.Close();
+        return KDefaultResourceDriveNumber;
+    }
+
+    // Take the drive letter from path and convert it to drive number
+    TInt driveNum = KDefaultResourceDriveNumber;
+    err = RFs::CharToDrive(info.iFullName[0], driveNum);
+    if (KErrNone != err)
+    {
+        driveNum = KDefaultResourceDriveNumber;
+    }
+
+    apaSession.Close();
+
+    return driveNum;
+}
+
+/*
+ * Class:     com_nokia_mj_impl_installer_utils_FileRoots
+ * Method:    _getMidpRoot
+ * Signature: ()Ljava/lang/String;
+ */
+JNIEXPORT jstring JNICALL Java_com_nokia_mj_impl_installer_utils_FileRoots__1getMidpRoot
+(JNIEnv *aEnv, jclass)
+{
+    std::string path;
+    java::util::JavaOsLayer::getMidpRoot(path);
+
+    // Convert path to jstring and return it
+    return aEnv->NewStringUTF((const char*)(path.c_str()));
+}