diff options
Diffstat (limited to 'base/java-tools/src/com/netscape/cmstools/BtoA.java')
-rw-r--r-- | base/java-tools/src/com/netscape/cmstools/BtoA.java | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/base/java-tools/src/com/netscape/cmstools/BtoA.java b/base/java-tools/src/com/netscape/cmstools/BtoA.java new file mode 100644 index 000000000..4c2e5c22a --- /dev/null +++ b/base/java-tools/src/com/netscape/cmstools/BtoA.java @@ -0,0 +1,119 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// 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, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package com.netscape.cmstools; + +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; + +import com.netscape.cmsutil.util.Utils; + +/** + * The BtoA class is a utility program designed to "translate" a BINARY + * BASE 64 encoded blob into an ASCII BASE 64 encoded blob. It assumes + * that the name of a data file is passed to the program via the command line, + * and that the contents contain a blob encoded in a BINARY BASE 64 + * format. + * + * <P> + * The program may be invoked as follows: + * + * <PRE> + * + * BtoA <input filename> <output filename> + * + * NOTE: <input filename> must contain a BINARY + * BASE 64 encoded blob + * + * <output filename> contains an ASCII + * BASE 64 encoded blob + * </PRE> + * + * @version $Revision$, $Date$ + */ +public class BtoA { + // Define constants + public static final int ARGC = 2; + + public static void main(String argv[]) { + + FileInputStream inputBlob = null; + FileOutputStream outputBlob = null; + + // (1) Check that two arguments were submitted to the program + if (argv.length != ARGC) { + System.out.println("Usage: BtoA " + + "<input filename> " + + "<output filename>"); + return; + } + + // (2) Create a DataInputStream() object to the BASE 64 + // encoded blob contained within the file + // specified on the command line + try { + inputBlob = new FileInputStream(argv[0]); + } catch (FileNotFoundException e) { + System.out.println("BtoA(): can''t find file " + + argv[0] + ":\n" + e); + return; + } + + // (3) Create a FileOutputStream() object to the BASE 64 + // specified output file + try { + outputBlob = new FileOutputStream(argv[1]); + } catch (IOException e) { + System.out.println("BtoA(): unable to open file " + + argv[1] + " for writing:\n" + e); + return; + } + + // (4) Convert the BINARY BASE 64 blob into an ASCII BASE 64 blob + + try { + byte data[] = new byte[inputBlob.available()]; + inputBlob.read(data); + String out = Utils.base64encode(data); + outputBlob.write(out.getBytes()); + } catch (IOException e) { + System.out.println("BtoA(): Unexpected BASE64 " + + "encoded error encountered:\n" + + e); + } + + // (5) Close the DataInputStream() object + try { + inputBlob.close(); + } catch (IOException e) { + System.out.println("BtoA(): Unexpected input error " + + "encountered while attempting to close() " + + argv[0] + ":\n" + e); + } + + // (6) Close the FileOutputStream() object + try { + outputBlob.close(); + } catch (IOException e) { + System.out.println("BtoA(): Unexpected output error " + + "encountered while attempting to close() " + + argv[1] + ":\n" + e); + } + } +} |