File Map This example shows how to list the files of user given folder as a
text map having tree hierarchy.
package com.bethecoder.tutorials.core.gen; import java.io.*; import java.util.*; /** * Shows file system as map. * * @author sudhakar * @version 1.0 */ public class FileMap { public static void main ( String args [] ) throws Exception { displayFiles ( "C:\\JackRabbitTests" ) ; } /* end main */ private static final int INITIAL_DEPTH = 1 ; private static final String DEFAULT_SEP_WIDTH = " " ; private static final String FILE_PREFIX = "---" ; public static void displayFiles ( String filePath ) { displayFiles ( new File ( filePath )) ; } public static void displayFiles ( File file ) { System.out.print ( file ) ; List<Integer> depthList = new Vector<Integer> () ; depthList.add ( new Integer ( INITIAL_DEPTH )) ; displayFiles ( file.listFiles () , INITIAL_DEPTH, depthList ) ; } public static void displayFiles ( File [] files, int depth, List<Integer> parentDepths ) { Integer maxDepth = ( Integer ) parentDepths.get ( parentDepths.size () - 1 ) ; String hline = "" ; for ( int i = INITIAL_DEPTH ; i <= maxDepth ; i ++ ) { boolean found = false ; for ( int j = 0 ; j < parentDepths.size () ; j ++ ) { Integer curDepth = ( Integer ) parentDepths.get ( j ) ; if ( i == curDepth.intValue ()) { found = true ; } } if ( found == true ) { hline += DEFAULT_SEP_WIDTH + "|" ; } else { hline += DEFAULT_SEP_WIDTH; } } /** * Required format * * * | * |-- File name */ hline = "\n" + hline + "\n" + hline ; hline += FILE_PREFIX; for ( int i = 0 ; i < files.length ; i ++ ) { if ( files [ i ] .isFile ()) { //print file System.out.print ( hline + files [ i ] .getName ()) ; } else { //print directory System.out.print ( hline + File.separator + files [ i ] .getName ()) ; /** * If this is last file in this directory then no need * of showing parent chain further. * * Remove parent depth from depth list */ List<Integer> depthList = new Vector<Integer> ( parentDepths ) ; Integer curDepth = new Integer ( depth ) ; Integer nxtLevelDepth = new Integer ( depth+ 1 ) ; //last file in this directory if ( i == files.length- 1 ) { if ( depthList.contains ( curDepth )) { depthList.remove ( curDepth ) ; } } //add next level depth depthList.add ( nxtLevelDepth ) ; if ( files [ i ] .listFiles () != null ) { displayFiles ( files [ i ] .listFiles () , nxtLevelDepth, depthList ) ; } } } } /* end of displayFiles method */ } /* end of FileMap class */
C:\JackRabbitTests
|
|---.classpath
|
|---.project
|
|---\.settings
| |
| |---org.eclipse.jdt.core.prefs
| |
| |---org.eclipse.jdt.ui.prefs
|
|---\bin
| |
| |---.classpath
| |
| |---.project
| |
| |---\.settings
| | |
| | |---org.eclipse.jdt.core.prefs
| | |
| | |---org.eclipse.jdt.ui.prefs
| |
| |---jackrabbit-standalone-1.6.0.jar
| |
| |---\org
| | |
| | |---\library
| | | |
| | | |---\test
| | | |
| | | |---Book.class
| | | |
| | | |---Library.class
| | | |
| | | |---LibUtil.class
| | |
| | |---\test
| | |
| | |---RepoTest.class
| |
| |---repository.xml
| |
| |---Test.class
|
|---derby.log
|
|---jackrabbit-standalone-1.6.0.jar
|
|---\org
| |
| |---\library
| | |
| | |---\test
| | |
| | |---Book.java
| | |
| | |---Library.java
| | |
| | |---LibUtil.java
| |
| |---\test
| |
| |---RepoTest.java
|
|---\repository
| |
| |---\repository
| | |
| | |---\index
| | | |
| | | |---indexes
| | | |
| | | |---\_0
| | | |
| | | |---segments.gen
| | | |
| | | |---segments_1
| | | |
| | | |---segments_2
| | | |
| | | |---_0.cfs
| | |
| | |---\meta
| | | |
| | | |---rep.properties
| | | |
| | | |---rootUUID
| | |
| | |---\namespaces
| | | |
| | | |---ns_idx.properties
| | | |
| | | |---ns_reg.properties
| | |
| | |---\nodetypes
| |
| |---\version
| | |
| | |---\db
| | |
| | |---\log
| | | |
| | | |---log.ctrl
| | | |
| | | |---log1.dat
| | | |
| | | |---logmirror.ctrl
| | |
| | |---\seg0
| | | |
| | | |---c150.dat
| | | |
| | | |---c161.dat
| | | |
| | | |---c171.dat
| | | |
| | | |---c1a1.dat
| | |
| | |---service.properties
| |
| |---\versions
| | |
| | |---\blobs
| | |
| | |---\data
| | |
| | |---\dead
| | |
| | |---\beef
| | |
| | |---\facebabecafebabecafebabe
| | |
| | |---.node.xml
| | |
| | |---672388333465d36a71297afb5d46001f.xml
| |
| |---\workspaces
| |
| |---\default
| |
| |---\blobs
| |
| |---\data
| | |
| | |---\cafe
| | | |
| | | |---\babe
| | | |
| | | |---\cafebabecafebabecafebabe
| | | |
| | | |---.node.xml
| | | |
| | | |---672388333465d36a71297afb5d46001f.xml
| | |
| | |---\dead
| | |
| | |---\beef
| | |
| | |---\cafebabecafebabecafebabe
| | |
| | |---.node.xml
| | |
| | |---672388333465d36a71297afb5d46001f.xml
| |
| |---\index
| |
| |---workspace.xml
|
|---repository.xml
|
|---Test.java
