| /* |
| * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.tools.jar; |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.io.FileReader; |
| import java.io.BufferedReader; |
| import java.io.StreamTokenizer; |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| /** |
| * Various utility methods for processing Java tool command line arguments. |
| * |
| * <p><b>This is NOT part of any API supported by Oracle. If |
| * you write code that depends on this, you do so at your own risk. |
| * This code and its internal interfaces are subject to change or |
| * deletion without notice.</b> |
| */ |
| public class CommandLine { |
| /** |
| * Process Win32-style command files for the specified command line |
| * arguments and return the resulting arguments. A command file argument |
| * is of the form '@file' where 'file' is the name of the file whose |
| * contents are to be parsed for additional arguments. The contents of |
| * the command file are parsed using StreamTokenizer and the original |
| * '@file' argument replaced with the resulting tokens. Recursive command |
| * files are not supported. The '@' character itself can be quoted with |
| * the sequence '@@'. |
| */ |
| public static String[] parse(String[] args) |
| throws IOException |
| { |
| List<String> newArgs = new ArrayList<>(args.length); |
| for (int i = 0; i < args.length; i++) { |
| String arg = args[i]; |
| if (arg.length() > 1 && arg.charAt(0) == '@') { |
| arg = arg.substring(1); |
| if (arg.charAt(0) == '@') { |
| newArgs.add(arg); |
| } else { |
| loadCmdFile(arg, newArgs); |
| } |
| } else { |
| newArgs.add(arg); |
| } |
| } |
| return newArgs.toArray(new String[newArgs.size()]); |
| } |
| |
| private static void loadCmdFile(String name, List<String> args) |
| throws IOException |
| { |
| Reader r = new BufferedReader(new FileReader(name)); |
| StreamTokenizer st = new StreamTokenizer(r); |
| st.resetSyntax(); |
| st.wordChars(' ', 255); |
| st.whitespaceChars(0, ' '); |
| st.commentChar('#'); |
| st.quoteChar('"'); |
| st.quoteChar('\''); |
| while (st.nextToken() != StreamTokenizer.TT_EOF) { |
| args.add(st.sval); |
| } |
| r.close(); |
| } |
| } |