author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:32:13 +0100 | |
branch | RCL_3 |
changeset 18 | 04b7640f6fb5 |
parent 0 | 05da4621cfb2 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Searches files from given directories |
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* |
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*/ |
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|
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|
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package com.nokia.tools.themeinstaller.localisation; |
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|
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import java.io.File; |
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import java.io.FileFilter; |
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import java.util.Vector; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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|
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/** |
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* Searches files that's name matches the regular expression. |
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* Search operations can be executed in one or multiple directories |
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* and also including subfolders in the search can activated. |
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* |
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* There are two versions for searching: recursive and non-recursive. |
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* Recursive version is used when flooding the search to subfolders |
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*/ |
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public class FileSearch |
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{ |
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private static Vector iFiles; |
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|
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|
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/** |
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* Find files in directories. |
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* |
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* @param aRootDirs The root directories where the search is initiated |
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* @param aFileNameExpression The file name expression |
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* @param aIncludeSubfolders Include subfolders in the search or not |
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* @param aAllowSameName Allow same filenames |
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* |
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* @return Found files in a vector |
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*/ |
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public static Vector findFiles( Vector aRootDirs, |
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String aFileNameExpression, boolean aIncludeSubfolders, |
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boolean aAllowSame ) |
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{ |
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Vector allFiles = new Vector(); |
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Vector fileFromOneSearch = new Vector(); |
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|
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for ( int i = 0; i < aRootDirs.size(); i++ ) |
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{ |
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fileFromOneSearch = findFiles( ( String ) aRootDirs.elementAt( i ), |
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aFileNameExpression, aIncludeSubfolders, aAllowSame ); |
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|
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for ( int j = 0; j < fileFromOneSearch.size(); j++ ) |
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{ |
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if ( aAllowSame && !allFiles.contains( fileFromOneSearch.get( j ) ) ) |
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{ |
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allFiles.add( fileFromOneSearch.get( j ) ); |
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} |
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if ( !aAllowSame |
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&& !hasSameName( allFiles, ( File ) fileFromOneSearch.get( j ) ) ) |
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{ |
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allFiles.add( fileFromOneSearch.get( j ) ); |
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|
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} |
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} |
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} |
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|
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return allFiles; |
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} |
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|
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/** |
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* Find files in directories. |
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* |
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* @param aRootDirs The root directories where the search is initiated |
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* @param aFileNameExpression The file name expression |
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* @param aIncludeSubfolders Include subfolders in the search or not |
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* |
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* @return Found files in a vector |
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*/ |
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public static Vector findFiles( Vector aRootDirs, |
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String aFileNameExpression, boolean aIncludeSubfolders ) |
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{ |
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return findFiles( aRootDirs, aFileNameExpression, aIncludeSubfolders, |
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true ); |
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} |
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/** |
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* Find one file in directories. Returns the first one found. |
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* |
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* @param aRootDirs The root directories where the search is initiated |
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* @param aFileNameExpression The file name expression |
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* @param aIncludeSubfolders Include sub folders in the search or not |
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* |
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* @return Found file |
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*/ |
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public static File findFile( Vector aRootDirs, |
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String aFileNameExpression, boolean aIncludeSubfolders ) |
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{ |
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Vector results = findFiles( aRootDirs, aFileNameExpression, aIncludeSubfolders, |
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true ); |
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|
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if( results.size() == 0 ) |
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112 |
{ |
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throw new IllegalArgumentException( "Localisation: File Search: " + |
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"File not found: " + aFileNameExpression ); |
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} |
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116 |
|
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return ( File ) results.elementAt( 0 ); |
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} |
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119 |
|
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/** |
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* Find files in directory. |
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* |
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* @param aRootDir The root directory where the search is initiated |
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* @param aFileNameExpression The file name expression |
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* @param aIncludeSubfolders Include subfolders in the search or not |
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* @param aAllowSameName Allow same filenames |
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* |
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* @return Found files in a vector |
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*/ |
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public static Vector findFiles( String aRootDir, |
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String aFileNameExpression, boolean aIncludeSubfolders, |
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boolean aAllowSameName ) |
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{ |
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134 |
|
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iFiles = new Vector(); |
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// If subfolders included, use recursive version |
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if ( aIncludeSubfolders ) |
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{ |
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findFilesInSubfolder( new File( aRootDir ), aFileNameExpression, |
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aAllowSameName ); |
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} |
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// If no subfolders included, use non-recursive version |
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if ( !aIncludeSubfolders ) |
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{ |
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findFilesInFolder( new File( aRootDir ), aFileNameExpression, |
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aAllowSameName ); |
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} |
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|
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return iFiles; |
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|
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} |
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152 |
|
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/** |
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* Find files in directory. |
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* |
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* @param aRootDir The root directory where the search is initiated |
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* @param aFileNameExpression The file name expression |
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* @param aIncludeSubfolders Include subfolders in the search or not |
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* |
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* @return Found files in a vector |
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*/ |
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public static Vector findFiles( String aRootDir, |
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String aFileNameExpression, boolean aIncludeSubfolders ) |
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{ |
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return findFiles( aRootDir, aFileNameExpression, aIncludeSubfolders, true ); |
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} |
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167 |
|
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/** |
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* Find files in folder. Non-recursive version |
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* |
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* @param dir Directory to search in |
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* @param aFileNameExpression The file name expression |
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* @param aAllowSameName Allow same filename |
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*/ |
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private static void findFilesInFolder( File dir, |
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final String aFileNameExpression, boolean aAllowSameName ) |
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{ |
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// Condition that file must fulfill |
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FileFilter fileFilter = new FileFilter() |
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{ |
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public boolean accept( File file ) |
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{ |
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return ( !file.isDirectory() && match( aFileNameExpression, |
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file.getName() ) ); |
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} |
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}; |
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187 |
|
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// Files that match the condition |
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File[] files = dir.listFiles( fileFilter ); |
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|
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for ( int i = 0; i < files.length; i++ ) |
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{ |
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if ( aAllowSameName ) |
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{ |
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iFiles.add( files[ i ] ); |
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} |
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if ( !aAllowSameName && !hasSameName( iFiles, files[ i ] ) ) |
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{ |
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iFiles.add( files[ i ] ); |
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} |
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} |
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202 |
|
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} |
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204 |
|
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/** |
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* Find files in folder and it's subfolder. Recursive version |
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* |
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* @param dir Root directory to start search |
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* @param aFileNameExpression the a file name expression |
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* @param aAllowSameName Allow same filenames |
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*/ |
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private static void findFilesInSubfolder( File dir, |
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final String aFileNameExpression, boolean aAllowSameName ) |
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{ |
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// Flood the search to subdirectories: |
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if ( dir.isDirectory() ) |
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{ |
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File[] files = dir.listFiles(); |
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for ( int i = 0; i < files.length; i++ ) |
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{ |
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findFilesInSubfolder( files[ i ], aFileNameExpression, |
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aAllowSameName ); |
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} |
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} |
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// If not directory, add files that match conditions |
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else |
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{ |
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if ( match( aFileNameExpression, dir.getName() ) ) |
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{ |
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if ( aAllowSameName ) |
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{ |
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iFiles.add( dir ); |
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} |
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if ( !aAllowSameName && !hasSameName( iFiles, dir ) ) |
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{ |
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iFiles.add( dir ); |
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} |
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|
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} |
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} |
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} |
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|
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/** |
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* Match regular expression with string. |
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* |
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* @param patternStr Regular expression for match |
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* @param input String to compare the regular expression |
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* |
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* @return true, if input matches the regular expression |
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*/ |
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private static boolean match( String patternStr, CharSequence input ) |
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{ |
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Pattern pattern = Pattern.compile( patternStr ); |
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Matcher matcher = pattern.matcher( input ); |
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if ( matcher.matches() ) |
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{ |
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return true; |
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} |
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return false; |
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} |
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|
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/** |
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* Checks if vector already has file with same name. |
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* |
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* @param aFiles Files to check |
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* @param aFile Reference file |
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* |
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* @return true, if vector already has file with same name |
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*/ |
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private static boolean hasSameName( Vector aFiles, File aFile ) |
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{ |
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for ( int i = 0; i < aFiles.size(); i++ ) |
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{ |
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if ( ( ( File ) aFiles.get( i ) ).getName() |
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.equals( aFile.getName() ) ) |
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{ |
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return true; |
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} |
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} |
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return false; |
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} |
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} |