Get a list of files, and check if any files are missing
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
/**
* Get a list of files, and check if any files are missing.
*
* @author Ian F. Darwin, http://www.darwinsys.com/
* @version $Id: CheckFiles.java,v 1.3 2004/02/09 03:33:46 ian Exp $
*/
public class CheckFiles {
public static void main(String[] argv) {
CheckFiles cf = new CheckFiles();
System.out.println("CheckFiles starting.");
cf.getListFromFile();
cf.getListFromDirectory();
cf.reportMissingFiles();
System.out.println("CheckFiles done.");
}
public String FILENAME = "filelist.txt";
protected ArrayList listFromFile;
protected ArrayList listFromDir = new ArrayList();
protected void getListFromFile() {
listFromFile = new ArrayList();
BufferedReader is;
try {
is = new BufferedReader(new FileReader(FILENAME));
String line;
while ((line = is.readLine()) != null)
listFromFile.add(line);
} catch (FileNotFoundException e) {
System.err.println("Can't open file list file.");
return;
} catch (IOException e) {
System.err.println("Error reading file list");
return;
}
}
/** Get list of names from the directory */
protected void getListFromDirectory() {
listFromDir = new ArrayList();
String[] l = new java.io.File(".").list();
for (int i = 0; i < l.length; i++)
listFromDir.add(l[i]);
}
protected void reportMissingFiles() {
for (int i = 0; i < listFromFile.size(); i++)
if (!listFromDir.contains(listFromFile.get(i)))
System.err.println("File " + listFromFile.get(i) + " missing.");
}
}
Related examples in the same category