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[/] [usb_fpga_1_11/] [trunk/] [java/] [ztex/] [JInputStream.java] - Rev 7
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/*! Java host software API of ZTEX EZ-USB FX2 SDK Copyright (C) 2009-2011 ZTEX GmbH. http://www.ztex.de This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 3 as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, see http://www.gnu.org/licenses/. !*/ package ztex; import java.io.*; import java.util.*; import java.net.*; /** * Creates an input stream from a regular file or a system resource file (i.e. a file from the current jar file). */ public class JInputStream { /** * Constructs an instance from a giving file name. * @param fileName The file name. * @throws SecurityException Signals a security violation. * @throws FileNotFoundException Thrown if the file was not found. */ static public InputStream getInputStream ( String fileName ) throws SecurityException, FileNotFoundException { InputStream is = null; try { // Step 1: Normal way (i.e. from the current directory) is = new FileInputStream(fileName); } catch ( FileNotFoundException e ) { // Step 2: As system ressource is = ClassLoader.getSystemResourceAsStream( fileName ); } if ( is == null ) throw new FileNotFoundException("File not found: "+fileName); return is; } }
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