1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir package graphical; 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir import java.io.File; 31*cdf0e10cSrcweir import java.io.FileFilter; 32*cdf0e10cSrcweir import java.util.ArrayList; 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir /** 35*cdf0e10cSrcweir * Helper for directory access 36*cdf0e10cSrcweir * 37*cdf0e10cSrcweir * @author lla@openoffice.org 38*cdf0e10cSrcweir */ 39*cdf0e10cSrcweir public class DirectoryHelper 40*cdf0e10cSrcweir { 41*cdf0e10cSrcweir ArrayList<String> m_aFileList = new ArrayList<String>(); 42*cdf0e10cSrcweir boolean m_bRecursiveIsAllowed = true; 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir void setRecursiveIsAllowed(boolean _bValue) 45*cdf0e10cSrcweir { 46*cdf0e10cSrcweir m_bRecursiveIsAllowed = _bValue; 47*cdf0e10cSrcweir } 48*cdf0e10cSrcweir 49*cdf0e10cSrcweir /** 50*cdf0e10cSrcweir * Traverse over a given directory, and filter with a given FileFilter 51*cdf0e10cSrcweir * object and gives back the deep directory as a Object[] list, which 52*cdf0e10cSrcweir * contain a String object for every directory entry. 53*cdf0e10cSrcweir * 54*cdf0e10cSrcweir * <B>Example</B> 55*cdf0e10cSrcweir * List directory /bin, filter out all files which ends with '.prn' 56*cdf0e10cSrcweir * 57*cdf0e10cSrcweir * FileFilter aFileFilter = new FileFilter() 58*cdf0e10cSrcweir * { 59*cdf0e10cSrcweir * public boolean accept( File pathname ) 60*cdf0e10cSrcweir * { 61*cdf0e10cSrcweir * if (pathname.getName().endsWith(".prn")) 62*cdf0e10cSrcweir * { 63*cdf0e10cSrcweir * return false; 64*cdf0e10cSrcweir * } 65*cdf0e10cSrcweir * return true; 66*cdf0e10cSrcweir * } 67*cdf0e10cSrcweir * }; 68*cdf0e10cSrcweir * 69*cdf0e10cSrcweir * Object[] aList = DirectoryHelper.traverse("/bin", aFileFilter); 70*cdf0e10cSrcweir * for (int i=0;i<aList.length;i++) 71*cdf0e10cSrcweir * { 72*cdf0e10cSrcweir * String aEntry = (String)aList[i]; 73*cdf0e10cSrcweir * System.out.println(aEntry); 74*cdf0e10cSrcweir * } 75*cdf0e10cSrcweir * 76*cdf0e10cSrcweir * @param _sDirectory 77*cdf0e10cSrcweir * @param _aFileFilter 78*cdf0e10cSrcweir * @param _bRecursiveIsAllowed 79*cdf0e10cSrcweir * @return list of directories 80*cdf0e10cSrcweir */ 81*cdf0e10cSrcweir public static Object[] traverse( String _sDirectory, FileFilter _aFileFilter, boolean _bRecursiveIsAllowed ) 82*cdf0e10cSrcweir { 83*cdf0e10cSrcweir DirectoryHelper a = new DirectoryHelper(); 84*cdf0e10cSrcweir a.setRecursiveIsAllowed(_bRecursiveIsAllowed); 85*cdf0e10cSrcweir a.traverse_impl(_sDirectory, _aFileFilter); 86*cdf0e10cSrcweir return a.m_aFileList.toArray(); 87*cdf0e10cSrcweir } 88*cdf0e10cSrcweir 89*cdf0e10cSrcweir public static Object[] traverse( String _sDirectory, boolean _bRecursiveIsAllowed ) 90*cdf0e10cSrcweir { 91*cdf0e10cSrcweir DirectoryHelper a = new DirectoryHelper(); 92*cdf0e10cSrcweir a.setRecursiveIsAllowed(_bRecursiveIsAllowed); 93*cdf0e10cSrcweir a.traverse_impl(_sDirectory, null); 94*cdf0e10cSrcweir return a.m_aFileList.toArray(); 95*cdf0e10cSrcweir } 96*cdf0e10cSrcweir 97*cdf0e10cSrcweir void traverse_impl( String afileDirectory, FileFilter _aFileFilter ) 98*cdf0e10cSrcweir { 99*cdf0e10cSrcweir File fileDirectory = new File(afileDirectory); 100*cdf0e10cSrcweir // Testing, if the file is a directory, and if so, it throws an exception 101*cdf0e10cSrcweir if ( !fileDirectory.isDirectory() ) 102*cdf0e10cSrcweir { 103*cdf0e10cSrcweir throw new IllegalArgumentException( "not a directory: " + fileDirectory.getName() ); 104*cdf0e10cSrcweir } 105*cdf0e10cSrcweir 106*cdf0e10cSrcweir // Getting all files and directories in the current directory 107*cdf0e10cSrcweir File[] aDirEntries; 108*cdf0e10cSrcweir if (_aFileFilter != null) 109*cdf0e10cSrcweir { 110*cdf0e10cSrcweir aDirEntries = fileDirectory.listFiles(_aFileFilter); 111*cdf0e10cSrcweir } 112*cdf0e10cSrcweir else 113*cdf0e10cSrcweir { 114*cdf0e10cSrcweir aDirEntries = fileDirectory.listFiles(); 115*cdf0e10cSrcweir } 116*cdf0e10cSrcweir 117*cdf0e10cSrcweir // Iterating for each file and directory 118*cdf0e10cSrcweir for ( int i = 0; i < aDirEntries.length; ++i ) 119*cdf0e10cSrcweir { 120*cdf0e10cSrcweir if ( aDirEntries[ i ].isDirectory() ) 121*cdf0e10cSrcweir { 122*cdf0e10cSrcweir if (m_bRecursiveIsAllowed == true) 123*cdf0e10cSrcweir { 124*cdf0e10cSrcweir // Recursive call for the new directory 125*cdf0e10cSrcweir traverse_impl( aDirEntries[ i ].getAbsolutePath(), _aFileFilter ); 126*cdf0e10cSrcweir } 127*cdf0e10cSrcweir } 128*cdf0e10cSrcweir else 129*cdf0e10cSrcweir { 130*cdf0e10cSrcweir // adding file to List 131*cdf0e10cSrcweir try 132*cdf0e10cSrcweir { 133*cdf0e10cSrcweir // Composing the URL by replacing all backslashs 134*cdf0e10cSrcweir // String stringUrl = "file:///" + aFileEntries[ i ].getAbsolutePath().replace( '\\', '/' ); 135*cdf0e10cSrcweir String aStr = aDirEntries[ i ].getAbsolutePath(); 136*cdf0e10cSrcweir m_aFileList.add(aStr); 137*cdf0e10cSrcweir } 138*cdf0e10cSrcweir catch( Exception exception ) 139*cdf0e10cSrcweir { 140*cdf0e10cSrcweir exception.printStackTrace(); 141*cdf0e10cSrcweir break; 142*cdf0e10cSrcweir } 143*cdf0e10cSrcweir } 144*cdf0e10cSrcweir } 145*cdf0e10cSrcweir } 146*cdf0e10cSrcweir 147*cdf0e10cSrcweir // tests 148*cdf0e10cSrcweir // public static void main(String[] args) 149*cdf0e10cSrcweir // { 150*cdf0e10cSrcweir // String sDirectory = "/misc/convwatch/gfxcmp/data/doc-pool/demo"; 151*cdf0e10cSrcweir // Object[] aDirectoryList = DirectoryHelper.traverse( sDirectory, false ); 152*cdf0e10cSrcweir // 153*cdf0e10cSrcweir // for (int i=0;i<aDirectoryList.length;i++) 154*cdf0e10cSrcweir // { 155*cdf0e10cSrcweir // String sEntry = (String)aDirectoryList[i]; 156*cdf0e10cSrcweir // System.out.println(sEntry); 157*cdf0e10cSrcweir // } 158*cdf0e10cSrcweir // } 159*cdf0e10cSrcweir } 160*cdf0e10cSrcweir 161