themeinstaller/source/src/com/nokia/tools/themeinstaller/defrep/operations/FileOperationUtils.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/themeinstaller/source/src/com/nokia/tools/themeinstaller/defrep/operations/FileOperationUtils.java Wed Sep 01 12:32:13 2010 +0100
@@ -0,0 +1,190 @@
+/*
+* Copyright (c) 2007 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: Utils for file operations
+ *
+*/
+
+
+package com.nokia.tools.themeinstaller.defrep.operations;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+
+/**
+ * Utils for file operations.
+ */
+public class FileOperationUtils
+ {
+
+ // CONSTANTS
+ private static final int READ_BUFFER_SIZE = 1024;
+ private static final String REGEXP_PREFIX = "\\";
+ private static final char EPOC_DRIVE_SEP = ':';
+ private static final String EPOC_PATH_SEP = "\\";
+ private static final char EPOC_DRIVE_LETTER_FIRST_U = 'A';
+ private static final char EPOC_DRIVE_LETTER_LAST_U = 'Z';
+ private static final char EPOC_DRIVE_LETTER_FIRST_L = 'a';
+ private static final char EPOC_DRIVE_LETTER_LAST_L = 'z';
+ private static final String EPOC32_DIR = "epoc32";
+
+ /**
+ * Copy a file to an another location.
+ *
+ * @param aSource Source file
+ * @param aDestination Destination file
+ * @param aAppend If true, the source file contents will be appended to the end of
+ * the destination file. Otherwise, the original file will be overwritten.
+ * @throws FileNotFoundException Thrown if the file can not be found
+ * @throws IOException Thrown if IOException occurs, open streams are also closed
+ */
+ public static void copyFile( File aSource, File aDestination, boolean aAppend )
+ throws FileNotFoundException, IOException
+ {
+ // Overwrite the existing file, if any
+ if( aDestination.exists() && !aAppend )
+ {
+ aDestination.delete();
+ }
+
+ // Create the required directory structure for the destination file
+ // (ignore return value)
+ createDirs( aDestination );
+
+ // Open streams for input and output
+ FileInputStream input = new FileInputStream( aSource );
+ FileOutputStream output = new FileOutputStream( aDestination, aAppend );
+
+ // Create buffer for the data transfer
+ byte[] buffer = new byte[ READ_BUFFER_SIZE ];
+ int i = 0;
+
+ try
+ {
+ // Read data to the buffer and write it to the output stream until
+ // the whole file is processed
+ while( ( i = input.read( buffer ) ) != -1 )
+ {
+ output.write( buffer, 0, i );
+ }
+ }
+ finally
+ {
+ if( input != null )
+ {
+ input.close();
+ }
+ if( output != null )
+ {
+ output.close();
+ }
+ }
+ }
+
+ /**
+ * Create the whole directory structure for the file
+ *
+ * @param aFile File object to be placed at the end of the tree
+ * @return true, if new directories were created
+ */
+ public static boolean createDirs( File aFile )
+ {
+ // Extract the parent directory
+ String parent = aFile.getParent();
+
+ // Create the whole directory structure
+ File dir = new File( parent );
+ return dir.mkdirs();
+ }
+
+ /**
+ * Parse Symbian OS file system format path of a Winscw environment path.
+ * This method will search for a directory of which name is one character
+ * long and from a to z.
+ * @param aFile The file to process
+ * @return Path and file name in Symbian OS file system. Returns null if
+ * the file name can not be parsed.
+ */
+ public static String parseSymbianFSPath( File aFile )
+ {
+ String result = null;
+ String path = aFile.getPath();
+
+ File file = aFile.getParentFile();
+
+ // Go through all parent directories of the file
+ while( file != null )
+ {
+ // Find a directory of which name is 1 character long
+ String name = file.getName();
+ if( name.length() == 1 )
+ {
+ // Check that the directory name is an character
+ // from A to Z or a to z
+ char c = name.charAt( 0 );
+ if( ( c >= EPOC_DRIVE_LETTER_FIRST_U &&
+ c <= EPOC_DRIVE_LETTER_LAST_U ) ||
+ ( c >= EPOC_DRIVE_LETTER_FIRST_L &&
+ c <= EPOC_DRIVE_LETTER_LAST_L ) )
+ {
+ result = name;
+ }
+ }
+ // Stop if already reached to the epoc32 directory
+ else if( EPOC32_DIR.equalsIgnoreCase( name ) )
+ {
+ break;
+ }
+
+ file = file.getParentFile();
+ }
+
+ if( result != null )
+ {
+ String pattern = File.separatorChar + result + File.separatorChar;
+
+ // Find the start of the actual path
+ int pathStart = path.indexOf( pattern ) + pattern.length();
+
+ // Combine the Symbian OS format path of the drive letter,
+ // path separator and rest of the path
+ result = result +
+ EPOC_DRIVE_SEP +
+ EPOC_PATH_SEP +
+ path.substring( pathStart );
+
+ // Replace path separators with Epoc ones
+ pattern = REGEXP_PREFIX + File.separator;
+ String replacement = REGEXP_PREFIX + EPOC_PATH_SEP;
+ result = result.replaceAll( pattern, replacement );
+ }
+
+ return result;
+ }
+
+ /**
+ * Parse Symbian OS file system format path of a Winscw environment path.
+ * @param aFile The file name to process
+ * @return Path and file name in Symbian OS file system. Returns null if
+ * the file name can not be parsed.
+ */
+ public static String parseSymbianFSPath( String aFile )
+ {
+ File f = new File( aFile );
+ return parseSymbianFSPath( f );
+ }
+ }