Mega Code Archive
ListOfFiles implements EnumerationFileInputStream
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/*
* Copyright (c) 1995 - 2008 Sun Microsystems, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - 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.
*
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* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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
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import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Enumeration;
import java.util.NoSuchElementException;
public class ListOfFiles implements Enumeration<FileInputStream> {
private String[] listOfFiles;
private int current = 0;
public ListOfFiles(String[] listOfFiles) {
this.listOfFiles = listOfFiles;
}
public boolean hasMoreElements() {
if (current < listOfFiles.length)
return true;
else
return false;
}
public FileInputStream nextElement() {
FileInputStream in = null;
if (!hasMoreElements())
throw new NoSuchElementException("No more files.");
else {
String nextElement = listOfFiles[current];
current++;
try {
in = new FileInputStream(nextElement);
} catch (FileNotFoundException e) {
System.err.println("ListOfFiles: Can't open " + nextElement);
}
}
return in;
}
}
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